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Weekly Routing Table Report
From: Routing Analysis Role Account <cscora () apnic net>
Date: Sat, 11 Aug 2012 05:17:40 +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 11 Aug, 2012

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

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

BGP routing table entries examined:                              421995
    Prefixes after maximum aggregation:                          177266
    Deaggregation factor:                                          2.38
    Unique aggregates announced to Internet:                     203973
Total ASes present in the Internet Routing Table:                 41767
    Prefixes per ASN:                                             10.10
Origin-only ASes present in the Internet Routing Table:           33429
Origin ASes announcing only one prefix:                           15691
Transit ASes present in the Internet Routing Table:                5606
Transit-only ASes present in the Internet Routing Table:            136
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      32
    Max AS path prepend of ASN ( 48687)                              24
Prefixes from unregistered ASNs in the Routing Table:               395
    Unregistered ASNs in the Routing Table:                         152
Number of 32-bit ASNs allocated by the RIRs:                       3098
Number of 32-bit ASNs visible in the Routing Table:                2732
Prefixes from 32-bit ASNs in the Routing Table:                    7043
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            166
Number of addresses announced to Internet:                   2587319180
    Equivalent to 154 /8s, 55 /16s and 91 /24s
    Percentage of available address space announced:               69.8
    Percentage of allocated address space announced:               69.9
    Percentage of available address space allocated:               99.9
    Percentage of address space in use by end-sites:               93.1
Total number of prefixes smaller than registry allocations:      148463

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

Prefixes being announced by APNIC Region ASes:                   102079
    Total APNIC prefixes after maximum aggregation:               32807
    APNIC Deaggregation factor:                                    3.11
Prefixes being announced from the APNIC address blocks:          102621
    Unique aggregates announced from the APNIC address blocks:    42212
APNIC Region origin ASes present in the Internet Routing Table:    4729
    APNIC Prefixes per ASN:                                       21.70
APNIC Region origin ASes announcing only one prefix:               1238
APNIC Region transit ASes present in the Internet Routing Table:    758
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:    278
Number of APNIC addresses announced to Internet:              707702656
    Equivalent to 42 /8s, 46 /16s and 175 /24s
    Percentage of available APNIC address space announced:         82.7

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 131072-133119
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:                    153645
    Total ARIN prefixes after maximum aggregation:                77905
    ARIN Deaggregation factor:                                     1.97
Prefixes being announced from the ARIN address blocks:           154656
    Unique aggregates announced from the ARIN address blocks:     68753
ARIN Region origin ASes present in the Internet Routing Table:    15216
    ARIN Prefixes per ASN:                                        10.16
ARIN Region origin ASes announcing only one prefix:                5757
ARIN Region transit ASes present in the Internet Routing Table:    1609
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:      17
Number of ARIN addresses announced to Internet:              1083911296
    Equivalent to 64 /8s, 155 /16s and 44 /24s
    Percentage of available ARIN address space announced:          57.3

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, 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:                    106315
    Total RIPE prefixes after maximum aggregation:                55910
    RIPE Deaggregation factor:                                     1.90
Prefixes being announced from the RIPE address blocks:           108543
    Unique aggregates announced from the RIPE address blocks:     67395
RIPE Region origin ASes present in the Internet Routing Table:    16740
    RIPE Prefixes per ASN:                                         6.48
RIPE Region origin ASes announcing only one prefix:                8104
RIPE Region transit ASes present in the Internet Routing Table:    2711
Average RIPE Region AS path length visible:                         5.1
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1782
Number of RIPE addresses announced to Internet:               640497636
    Equivalent to 38 /8s, 45 /16s and 55 /24s
    Percentage of available RIPE address space announced:          93.1

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, 196608-199679
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:                   43121
    Total LACNIC prefixes after maximum aggregation:               8394
    LACNIC Deaggregation factor:                                   5.14
Prefixes being announced from the LACNIC address blocks:          45908
    Unique aggregates announced from the LACNIC address blocks:   22058
LACNIC Region origin ASes present in the Internet Routing Table:   1622
    LACNIC Prefixes per ASN:                                      28.30
LACNIC Region origin ASes announcing only one prefix:               418
LACNIC Region transit ASes present in the Internet Routing Table:   318
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        25
Number of LACNIC region 32-bit ASNs visible in the Routing Table:   649
Number of LACNIC addresses announced to Internet:             113366696
    Equivalent to 6 /8s, 193 /16s and 214 /24s
    Percentage of available LACNIC address space announced:        67.6

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       262144-263167 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:                   9651
    Total AfriNIC prefixes after maximum aggregation:              2196
    AfriNIC Deaggregation factor:                                  4.39
Prefixes being announced from the AfriNIC address blocks:         10101
    Unique aggregates announced from the AfriNIC address blocks:   3417
AfriNIC Region origin ASes present in the Internet Routing Table:   559
    AfriNIC Prefixes per ASN:                                     18.07
AfriNIC Region origin ASes announcing only one prefix:              174
AfriNIC Region transit ASes present in the Internet Routing Table:  124
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    6
Number of AfriNIC addresses announced to Internet:             41530624
    Equivalent to 2 /8s, 121 /16s and 181 /24s
    Percentage of available AfriNIC address space announced:       41.3

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     2763      11117        1250   Korea Telecom (KIX)
17974     2323        702          54   PT TELEKOMUNIKASI INDONESIA
 7545     1714        301          87   TPG Internet Pty Ltd
 4755     1605        386         158   TATA Communications formerly 
 9829     1310       1084          31   BSNL National Internet Backbo
 9583     1206         90         534   Sify Limited
 7552     1128       1062          11   Vietel Corporation
 4808     1123       2050         321   CNCGROUP IP network: China169
24560     1039        385         165   Bharti Airtel Ltd., Telemedia
 9498      997        294          74   BHARTI Airtel Ltd.

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
 7029     3439        986         155   Windstream Communications Inc
 6389     3339       3772         191   bellsouth.net, inc. 
18566     2089        382         181   Covad Communications 
 1785     1936        680         128   PaeTec Communications, Inc.
22773     1700       2914         125   Cox Communications, Inc.
20115     1645       1572         611   Charter Communications 
 4323     1577       1027         386   Time Warner Telecom
30036     1433        279         784   Mediacom Communications Corp 
 7018     1245      10041         815   AT&T WorldNet Services
11492     1191        216         351   Cable One 

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     1494        544          16   Corbina telecom
15557     1215       2247          55   LDCOM NETWORKS
12479      824        762          86   Uni2 Autonomous System
34984      744        189         177   BILISIM TELEKOM
20940      715        232         556   Akamai Technologies European 
 6830      714       2310         445   UPC Distribution Services
31148      699         37           9   FreeNet ISP
 2118      685         97          14   EUnet/RELCOM Autonomous Syste
13188      669        100           9   Educational Network
58113      627         70         373   LIR DATACENTER TELECOM SRL

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
10620     2082        354         221   TVCABLE BOGOTA 
28573     2043       1232          55   NET Servicos de Comunicao S.A
 7303     1560       1032         202   Telecom Argentina Stet-France
 6503     1528        419          67   AVANTEL, S.A. 
 8151     1464       3044         346   UniNet S.A. de C.V. 
 6458      882         81          15   GUATEL 
27947      715         74          95   Telconet S.A
11172      644         91          74   Servicios Alestra S.A de C.V 
 3816      598        253          95   Empresa Nacional de Telecomun
22047      580        326          15   VTR PUNTO NET S.A. 

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
 8452      922        958          13   TEDATA
24863      865        274          33   LINKdotNET AS number
36998      532         48           3   MOBITEL
 6713      515        650          19   Itissalat Al-MAGHRIB
24835      286         80           8   RAYA Telecom - Egypt
 3741      263        905         224   The Internet Solution 
33776      219         12          19   Starcomms Nigeria Limited
12258      195         28          62   Vodacom Internet Company 
29975      191        667          21   Vodacom
15706      179         32           6   Sudatel Internet Exchange Aut

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
 7029     3439        986         155   Windstream Communications Inc
 6389     3339       3772         191   bellsouth.net, inc. 
 4766     2763      11117        1250   Korea Telecom (KIX)
17974     2323        702          54   PT TELEKOMUNIKASI INDONESIA
18566     2089        382         181   Covad Communications 
10620     2082        354         221   TVCABLE BOGOTA 
28573     2043       1232          55   NET Servicos de Comunicao S.A
 1785     1936        680         128   PaeTec Communications, Inc.
 7545     1714        301          87   TPG Internet Pty Ltd
22773     1700       2914         125   Cox Communications, Inc.

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      3339        3148      bellsouth.net, inc. 
17974      2323        2269      PT TELEKOMUNIKASI INDONESIA
28573      2043        1988      NET Servicos de Comunicao S.A
18566      2089        1908      Covad Communications 
10620      2082        1861      TVCABLE BOGOTA 
 1785      1936        1808      PaeTec Communications, Inc.
 7545      1714        1627      TPG Internet Pty Ltd
22773      1700        1575      Cox Communications, Inc.
 4766      2763        1513      Korea Telecom (KIX)
 8402      1494        1478      Corbina telecom

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

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

Bad AS  Designation  Network              Transit AS  Description
59414   UNALLOCATED  5.102.144.0/21       15576       Nextra backbone in D
59395   UNALLOCATED  5.133.16.0/21        12658       Dexterity Networks L
59407   UNALLOCATED  5.134.16.0/21        51167       Giga-Hosting GmbH
59457   UNALLOCATED  5.149.64.0/24        35567       DASTO semtel d.o.o.
59457   UNALLOCATED  5.149.65.0/24        35567       DASTO semtel d.o.o.
59457   UNALLOCATED  5.149.66.0/24        35567       DASTO semtel d.o.o.
59457   UNALLOCATED  5.149.67.0/24        35567       DASTO semtel d.o.o.
59457   UNALLOCATED  5.149.71.0/24        35567       DASTO semtel d.o.o.
59457   UNALLOCATED  5.149.74.0/23        35567       DASTO semtel d.o.o.
59457   UNALLOCATED  5.149.94.0/24        35567       DASTO semtel d.o.o.

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

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

Network            Origin AS  Description
5.187.48.0/21        23456     32-bit ASN transition
14.192.0.0/22        45464     Room 201, TGU Bldg
14.192.4.0/22        45464     Room 201, TGU Bldg
14.192.8.0/22        45464     Room 201, TGU Bldg
14.192.12.0/22       45464     Room 201, TGU Bldg
14.192.16.0/22       45464     Room 201, TGU Bldg
14.192.20.0/22       45464     Room 201, TGU Bldg
14.192.24.0/22       45464     Room 201, TGU Bldg
14.192.28.0/22       45464     Room 201, TGU Bldg
27.112.114.0/24      23884     Proimage Engineering and Comm

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        /8:20       /9:14      /10:29      /11:84      /12:237     
/13:474     /14:848     /15:1529    /16:12363   /17:6386    /18:10758   
/19:20942   /20:30083   /21:31951   /22:41795   /23:39771   /24:220800  
/25:1275    /26:1504    /27:861     /28:167     /29:62      /30:18      
/31:0       /32:24      

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

  ASN   No of nets  Total ann.   Description
 7029     2802          3439      Windstream Communications Inc
18566     2039          2089      Covad Communications 
 6389     1833          3339      bellsouth.net, inc. 
30036     1369          1433      Mediacom Communications Corp 
 8402     1227          1494      Corbina telecom
15557     1159          1215      LDCOM NETWORKS
11492     1154          1191      Cable One 
22773     1124          1700      Cox Communications, Inc.
 6503     1051          1528      AVANTEL, S.A. 
 1785     1038          1936      PaeTec Communications, Inc.

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

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

   1:546       2:721       3:1         4:13        5:337       6:3      
   8:439      12:2013     13:1        14:637      15:11       16:3      
  17:6        20:24       23:202      24:1804     27:1332     31:1018   
  32:56       33:2        34:2        36:8        37:727      38:815    
  39:1        40:134      41:2882     42:156      44:3        46:1557   
  47:2        49:432      50:584      52:13       54:14       55:4      
  57:31       58:988      59:515      60:238      61:1289     62:984    
  63:2022     64:4242     65:2245     66:4534     67:2055     68:1155   
  69:3206     70:989      71:518      72:1869     74:2609     75:489    
  76:331      77:952      78:895      79:502      80:1280     81:955    
  82:637      83:540      84:620      85:1118     86:797      87:935    
  88:337      89:1804     90:305      91:5093     92:590      93:1460   
  94:1586     95:1262     96:409      97:317      98:900      99:39     
 100:22      101:255     103:1369    105:512     106:112     107:193    
 108:420     109:1913    110:791     111:950     112:435     113:670    
 114:653     115:841     116:921     117:730     118:945     119:1231   
 120:361     121:696     122:1655    123:1168    124:1350    125:1265   
 128:521     129:183     130:267     131:634     132:298     133:22     
 134:246     135:61      136:215     137:239     138:347     139:184    
 140:498     141:267     142:450     143:380     144:494     145:78     
 146:512     147:295     148:770     149:319     150:153     151:186    
 152:455     153:175     154:20      155:405     156:222     157:381    
 158:189     159:632     160:346     161:409     162:391     163:188    
 164:682     165:410     166:572     167:529     168:960     169:126    
 170:909     171:149     172:5       173:1735    174:634     175:434    
 176:594     177:979     178:1681    180:1336    181:119     182:1032   
 183:233     184:575     186:2086    187:1121    188:1423    189:1579   
 190:6134    192:6018    193:5452    194:4233    195:3263    196:1230   
 197:199     198:3695    199:4905    200:6018    201:1968    202:8688   
 203:8664    204:4397    205:2531    206:2812    207:2799    208:4046   
 209:3633    210:2775    211:1561    212:2014    213:1802    214:875    
 215:86      216:5101    217:1565    218:562     219:315     220:1240   
 221:573     222:335     223:373    

End of report


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