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Weekly Routing Table Report
From: Routing Analysis Role Account <cscora () apnic net>
Date: Sat, 15 Mar 2014 04:07:44 +1000 (EST)

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats () lists apnic net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz () gmail com>.

Routing Table Report   04:00 +10GMT Sat 15 Mar, 2014

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              486892
    Prefixes after maximum aggregation:                          192121
    Deaggregation factor:                                          2.53
    Unique aggregates announced to Internet:                     240652
Total ASes present in the Internet Routing Table:                 46343
    Prefixes per ASN:                                             10.51
Origin-only ASes present in the Internet Routing Table:           35634
Origin ASes announcing only one prefix:                           16400
Transit ASes present in the Internet Routing Table:                6057
Transit-only ASes present in the Internet Routing Table:            168
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      53
    Max AS path prepend of ASN ( 50404)                              51
Prefixes from unregistered ASNs in the Routing Table:              2802
    Unregistered ASNs in the Routing Table:                         663
Number of 32-bit ASNs allocated by the RIRs:                       6109
Number of 32-bit ASNs visible in the Routing Table:                4652
Prefixes from 32-bit ASNs in the Routing Table:                   14980
Number of bogon 32-bit ASNs visible in the Routing Table:             7
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            440
Number of addresses announced to Internet:                   2660005124
    Equivalent to 158 /8s, 140 /16s and 117 /24s
    Percentage of available address space announced:               71.8
    Percentage of allocated address space announced:               71.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               95.9
Total number of prefixes smaller than registry allocations:      169973

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   115497
    Total APNIC prefixes after maximum aggregation:               34586
    APNIC Deaggregation factor:                                    3.34
Prefixes being announced from the APNIC address blocks:          118111
    Unique aggregates announced from the APNIC address blocks:    49513
APNIC Region origin ASes present in the Internet Routing Table:    4897
    APNIC Prefixes per ASN:                                       24.12
APNIC Region origin ASes announcing only one prefix:               1228
APNIC Region transit ASes present in the Internet Routing Table:    858
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         39
Number of APNIC region 32-bit ASNs visible in the Routing Table:    869
Number of APNIC addresses announced to Internet:              730595712
    Equivalent to 43 /8s, 140 /16s and 1 /24s
    Percentage of available APNIC address space announced:         85.4

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-63999, 131072-133631
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    166689
    Total ARIN prefixes after maximum aggregation:                82915
    ARIN Deaggregation factor:                                     2.01
Prefixes being announced from the ARIN address blocks:           168137
    Unique aggregates announced from the ARIN address blocks:     78297
ARIN Region origin ASes present in the Internet Routing Table:    16185
    ARIN Prefixes per ASN:                                        10.39
ARIN Region origin ASes announcing only one prefix:                6122
ARIN Region transit ASes present in the Internet Routing Table:    1667
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          21
Number of ARIN region 32-bit ASNs visible in the Routing Table:      73
Number of ARIN addresses announced to Internet:              1066989184
    Equivalent to 63 /8s, 152 /16s and 246 /24s
    Percentage of available ARIN address space announced:          56.4

ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 393216-394239
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    122591
    Total RIPE prefixes after maximum aggregation:                61950
    RIPE Deaggregation factor:                                     1.98
Prefixes being announced from the RIPE address blocks:           126624
    Unique aggregates announced from the RIPE address blocks:     80164
RIPE Region origin ASes present in the Internet Routing Table:    17635
    RIPE Prefixes per ASN:                                         7.18
RIPE Region origin ASes announcing only one prefix:                8297
RIPE Region transit ASes present in the Internet Routing Table:    2867
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          53
Number of RIPE region 32-bit ASNs visible in the Routing Table:    2661
Number of RIPE addresses announced to Internet:               657112964
    Equivalent to 39 /8s, 42 /16s and 191 /24s
    Percentage of available RIPE address space announced:          95.5

RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 196608-202239
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   54888
    Total LACNIC prefixes after maximum aggregation:               9988
    LACNIC Deaggregation factor:                                   5.50
Prefixes being announced from the LACNIC address blocks:          60793
    Unique aggregates announced from the LACNIC address blocks:   28005
LACNIC Region origin ASes present in the Internet Routing Table:   2073
    LACNIC Prefixes per ASN:                                      29.33
LACNIC Region origin ASes announcing only one prefix:               547
LACNIC Region transit ASes present in the Internet Routing Table:   425
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        32
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1036
Number of LACNIC addresses announced to Internet:             153001600
    Equivalent to 9 /8s, 30 /16s and 158 /24s
    Percentage of available LACNIC address space announced:        91.2

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 262144-263679 plus ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  12134
    Total AfriNIC prefixes after maximum aggregation:              2645
    AfriNIC Deaggregation factor:                                  4.59
Prefixes being announced from the AfriNIC address blocks:         12787
    Unique aggregates announced from the AfriNIC address blocks:   4303
AfriNIC Region origin ASes present in the Internet Routing Table:   708
    AfriNIC Prefixes per ASN:                                     18.06
AfriNIC Region origin ASes announcing only one prefix:              206
AfriNIC Region transit ASes present in the Internet Routing Table:  153
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   13
Number of AfriNIC addresses announced to Internet:             51984640
    Equivalent to 3 /8s, 25 /16s and 57 /24s
    Percentage of available AfriNIC address space announced:       51.6

AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 4766     2979      11582         896   Korea Telecom
17974     2761        903          78   PT Telekomunikasi Indonesia
 7545     2206        320         117   TPG Telecom Limited
 4755     1837        396         197   TATA Communications formerly 
 9829     1585       1285          40   National Internet Backbone
 4808     1337       2204         383   CNCGROUP IP network China169 
 9583     1307        102         533   Sify Limited
 9498     1243        311          76   BHARTI Airtel Ltd.
 7552     1239       1082          13   Viettel Corporation
24560     1123        384         176   Bharti Airtel Ltd., Telemedia

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 6389     3019       3688          53   BellSouth.net Inc.
22773     2416       2938         140   Cox Communications Inc.
 1785     2184        693         128   PaeTec Communications, Inc.
18566     2048        379         178   MegaPath Corporation
20115     1693       1673         578   Charter Communications
 4323     1620       1089         413   tw telecom holdings, inc.
  701     1492      11174         763   MCI Communications Services, 
30036     1386        298         555   Mediacom Communications Corp
 6983     1328        816         309   ITC^Deltacom
22561     1300        401         228   CenturyTel Internet Holdings,

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8402     1731        544          16   OJSC "Vimpelcom"
34984     1505        264         248   TELLCOM ILETISIM HIZMETLERI A
20940     1304        511         972   Akamai International B.V.
13188     1047        100          34   TOV "Bank-Inform"
31148     1017         45          21   Freenet Ltd.
 8551      943        370          41   Bezeq International-Ltd
 6849      831        361          34   JSC "Ukrtelecom"
 6830      762       2329         425   Liberty Global Operations B.V
12479      712        798          51   France Telecom Espana SA
35228      555        246          16   Telefonica UK Limited

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
28573     3547       1939          94   NET Serviços de Comunicação S
10620     2771        443         202   Telmex Colombia S.A.
18881     1916        972          21   Global Village Telecom
 7303     1752       1172         222   Telecom Argentina S.A.
 8151     1388       2914         414   Uninet S.A. de C.V.
 6503     1043        434          61   Axtel, S.A.B. de C.V.
 7738      911       1754          40   Telemar Norte Leste S.A.
11830      866        364          15   Instituto Costarricense de El
27947      854        113          48   Telconet S.A
 3816      786        319         128   COLOMBIA TELECOMUNICACIONES S

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
36998     1638        240           6   Sudanese Mobile Telephone (ZA
24863      873        376          27   Link Egypt (Link.NET)
 6713      603        701          28   Office National des Postes et
 8452      529        958          13   TE-AS
24835      299        144           9   Vodafone Data
36992      274        783          24   ETISALAT MISR
 3741      248        921         209   Internet Solutions
15706      219         32           6   Sudatel (Sudan Telecom Co. Lt
29571      210         22          17   Cote d'Ivoire Telecom
29975      192        668          21   Vodacom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
28573     3547       1939          94   NET Serviços de Comunicação S
 6389     3019       3688          53   BellSouth.net Inc.
 4766     2979      11582         896   Korea Telecom
10620     2771        443         202   Telmex Colombia S.A.
17974     2761        903          78   PT Telekomunikasi Indonesia
22773     2416       2938         140   Cox Communications Inc.
 7545     2206        320         117   TPG Telecom Limited
 1785     2184        693         128   PaeTec Communications, Inc.
18566     2048        379         178   MegaPath Corporation
18881     1916        972          21   Global Village Telecom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
 6389      3019        2966      BellSouth.net Inc.
17974      2761        2683      PT Telekomunikasi Indonesia
10620      2771        2569      Telmex Colombia S.A.
22773      2416        2276      Cox Communications Inc.
 7545      2206        2089      TPG Telecom Limited
 4766      2979        2083      Korea Telecom
 1785      2184        2056      PaeTec Communications, Inc.
18881      1916        1895      Global Village Telecom
18566      2048        1870      MegaPath Corporation
 8402      1731        1715      OJSC "Vimpelcom"

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS  Designation  Network              Transit AS  Description
30662   UNALLOCATED  8.2.129.0/24          3356       Level 3 Communicatio
30097   UNALLOCATED  8.3.250.0/23          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.192.0/23          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.196.0/22          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.200.0/23          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.202.0/23          3356       Level 3 Communicatio
53506   UNALLOCATED  8.17.102.0/23         2828       XO Communications
20260   UNALLOCATED  8.25.160.0/24         3356       Level 3 Communicatio
20260   UNALLOCATED  8.25.161.0/24         3356       Level 3 Communicatio
46473   UNALLOCATED  8.27.122.0/24        12180       Internap Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
27.100.7.0/24        56096     >>UNKNOWN<<
41.73.1.0/24         37004     >>UNKNOWN<<
41.73.2.0/24         37004     >>UNKNOWN<<
41.73.10.0/24        37004     >>UNKNOWN<<
41.73.11.0/24        37004     >>UNKNOWN<<
41.73.12.0/24        37004     >>UNKNOWN<<
41.73.13.0/24        37004     >>UNKNOWN<<
41.73.14.0/24        37004     >>UNKNOWN<<
41.73.15.0/24        37004     >>UNKNOWN<<
41.73.16.0/24        37004     >>UNKNOWN<<

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:12      /10:30      /11:90      /12:255     
/13:477     /14:951     /15:1653    /16:12868   /17:6772    /18:11510   
/19:23911   /20:33757   /21:36439   /22:52081   /23:45376   /24:258473  
/25:787     /26:937     /27:421     /28:12      /29:18      /30:7       
/31:1       /32:38      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

  ASN   No of nets  Total ann.   Description
18566     2003          2048      MegaPath Corporation
 6389     1696          3019      BellSouth.net Inc.
22773     1654          2416      Cox Communications Inc.
36998     1599          1638      Sudanese Mobile Telephone (ZA
 8402     1417          1731      OJSC "Vimpelcom"
30036     1224          1386      Mediacom Communications Corp
11492     1176          1223      CABLE ONE, INC.
 1785     1169          2184      PaeTec Communications, Inc.
 6983     1043          1328      ITC^Deltacom
34984     1000          1505      TELLCOM ILETISIM HIZMETLERI A

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:991       2:733       3:3         4:16        5:916       6:19     
   8:660      12:1861     13:4        14:958      15:13       16:3      
  17:29       18:21       20:35       23:700      24:1728     27:1767   
  31:1495     32:44       33:2        34:5        36:119      37:1809   
  38:929      39:4        40:190      41:3177     42:246      44:18     
  46:2136     47:15       49:671      50:916      52:12       54:47     
  55:7        57:26       58:1171     59:593      60:380      61:1511   
  62:1241     63:1994     64:4370     65:2254     66:4237     67:2055   
  68:1033     69:3297     70:854      71:460      72:1969     74:2664   
  75:314      76:396      77:1211     78:1045     79:691      80:1303   
  81:1109     82:671      83:746      84:750      85:1295     86:439    
  87:1205     88:523      89:1742     90:150      91:5774     92:662    
  93:1697     94:2055     95:1514     96:538      97:352      98:1099   
  99:42      100:50      101:804     103:4444    105:552     106:166    
 107:567     108:551     109:1993    110:996     111:1293    112:628    
 113:831     114:871     115:1106    116:1041    117:845     118:1348   
 119:1312    120:362     121:786     122:1909    123:1272    124:1447   
 125:1452    128:644     129:246     130:352     131:657     132:360    
 133:159     134:317     135:74      136:268     137:319     138:349    
 139:159     140:213     141:362     142:558     143:417     144:503    
 145:106     146:598     147:463     148:791     149:343     150:161    
 151:578     152:422     153:204     154:100     155:463     156:336    
 157:367     158:220     159:872     160:354     161:474     162:1237   
 163:220     164:690     165:622     166:280     167:601     168:1028   
 169:124     170:1253    171:195     172:20      173:1621    174:679    
 175:602     176:1477    177:2795    178:1968    179:584     180:1653   
 181:1013    182:1512    183:506     184:716     185:1394    186:2812   
 187:1473    188:1876    189:1334    190:7448    191:121     192:7160   
 193:5456    194:4029    195:3380    196:1352    197:1134    198:4978   
 199:5590    200:6041    201:2697    202:8957    203:8877    204:4659   
 205:2665    206:2961    207:2914    208:3963    209:3738    210:3075   
 211:1682    212:2225    213:2037    214:891     215:84      216:5522   
 217:1677    218:560     219:321     220:1284    221:592     222:343    
 223:609    

End of report


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