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Weekly Global IPv4 Routing Table Report
From: Routing Table Analysis Role Account via NANOG <nanog () lists nanog org>
Date: Sat, 1 Nov 2025 04:03:18 +1000 (AEST)
This is an automated weekly mailing describing the state of the Global IPv4 Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG UKNOF, TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats () lists apnic net. For historical data, please see https://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz () gmail com>. IPv4 Routing Table Report 04:00 +10GMT Sat 01 Nov, 2025 IPv4 BGP Table (Global) as seen at Japan. Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 1014810 Prefixes after maximum aggregation (per Origin AS): 393966 Deaggregation factor: 2.58 Unique aggregates announced (without unneeded subnets): 499985 Number of IPv4 prefixes with a valid ROA: 579341 Number of IPv4 prefixes with an invalid ROA: 1549 Number of IPv4 prefixes with no ROA: 433920 Total ASes present in the Internet Routing Table: 77451 Prefixes per ASN: 13.10 Origin-only ASes present in the Internet Routing Table: 66524 Origin ASes announcing only one prefix: 27113 Transit ASes present in the Internet Routing Table: 10927 Transit-only ASes present in the Internet Routing Table: 539 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 57 Max AS path prepend of ASN ( 37447) 53 Prefixes from unregistered ASNs in the Routing Table: 989 Number of instances of unregistered ASNs: 1027 Number of 32-bit ASNs allocated by the RIRs: 47869 Number of 32-bit ASNs visible in the Routing Table: 39189 Prefixes from 32-bit ASNs in the Routing Table: 214788 Number of bogon 32-bit ASNs visible in the Routing Table: 106 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 420 Number of addresses announced to Internet: 3113719168 Equivalent to 185 /8s, 151 /16s and 149 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 332190 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 271528 Total APNIC prefixes after maximum aggregation: 81060 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 261451 Unique aggregates announced from the APNIC address blocks: 106327 APNIC Region origin ASes present in the Internet Routing Table: 14868 APNIC Prefixes per ASN: 17.58 APNIC Region origin ASes announcing only one prefix: 4543 APNIC Region transit ASes present in the Internet Routing Table: 1976 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10416 Number of APNIC addresses announced to Internet: 752462848 Equivalent to 44 /8s, 217 /16s and 172 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-155961 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: 300681 Total ARIN prefixes after maximum aggregation: 135300 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 301077 Unique aggregates announced from the ARIN address blocks: 145022 ARIN Region origin ASes present in the Internet Routing Table: 19376 ARIN Prefixes per ASN: 15.54 ARIN Region origin ASes announcing only one prefix: 7113 ARIN Region transit ASes present in the Internet Routing Table: 1945 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 46 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5398 Number of ARIN addresses announced to Internet: 1353170944 Equivalent to 80 /8s, 167 /16s and 192 /24s 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, 64198-64296, 393216-402332 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, 54/8, 55/8, 56/8, 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: 281110 Total RIPE prefixes after maximum aggregation: 139345 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 281411 Unique aggregates announced from the RIPE address blocks: 182025 RIPE Region origin ASes present in the Internet Routing Table: 29074 RIPE Prefixes per ASN: 9.68 RIPE Region origin ASes announcing only one prefix: 12079 RIPE Region transit ASes present in the Internet Routing Table: 3954 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12773 Number of RIPE addresses announced to Internet: 733768832 Equivalent to 43 /8s, 188 /16s and 108 /24s 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, 64396-64495 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 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: 125474 Total LACNIC prefixes after maximum aggregation: 30745 LACNIC Deaggregation factor: 4.08 Prefixes being announced from the LACNIC address blocks: 121574 Unique aggregates announced from the LACNIC address blocks: 49493 LACNIC Region origin ASes present in the Internet Routing Table: 11317 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2529 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9292 Number of LACNIC addresses announced to Internet: 170749440 Equivalent to 10 /8s, 45 /16s and 110 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 35028 Total AfriNIC prefixes after maximum aggregation: 6836 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 48877 Unique aggregates announced from the AfriNIC address blocks: 16747 AfriNIC Region origin ASes present in the Internet Routing Table: 1941 AfriNIC Prefixes per ASN: 25.18 AfriNIC Region origin ASes announcing only one prefix: 704 AfriNIC Region transit ASes present in the Internet Routing Table: 368 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 57 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1310 Number of AfriNIC addresses announced to Internet: 103344896 Equivalent to 6 /8s, 40 /16s and 235 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 9808 13457 8760 120 CHINAMOBILE-CN China Mobile Communication 7545 6116 834 592 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4967 4193 77 ERX-CERNET-BKB China Education and Resear 9498 4500 537 313 BBIL-AP BHARTI Airtel Ltd., IN 7552 3985 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3720 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3319 1869 99 VNPT-AS-VN VNPT Corp, VN 56046 3246 827 182 CMNET-JIANGSU-AP China Mobile communicati 24560 2939 864 505 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 140292 2490 273 1919 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK CH Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14446 41088 5388 AMAZON-02, US 11492 4776 317 802 CABLEONE, US 22773 4640 3108 402 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3861 286 85 VIASAT-SP-BACKBONE, US 6327 3688 1320 82 SHAW, CA 396982 3278 4826 469 GOOGLE-CLOUD-PLATFORM, US 749 3216 54766 2467 DNIC-AS-00749, US 4155 3138 235 1760 USDA-1, US 36352 2855 231 919 AS-COLOCROSSING, US 16625 2853 1214 2140 AKAMAI-AS, US Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7298 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 9009 4020 378 2291 M247, RO 20940 3894 3395 124 AKAMAI-ASN1, NL 12389 3164 2315 868 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2518 177 1812 CDNEXT, GB 34984 2417 363 575 TELLCOM-AS, TR 203020 1712 205 1005 HOSTROYALE, IN 8452 1673 1852 14 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12489 3301 570 UNINET, MX 10620 3456 463 1099 Telmex Colombia S.A., CO 13999 2507 511 350 Mega Cable, S.A. de C.V., MX 11830 1990 369 64 Instituto Costarricense de Electricidad y 28573 1375 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1353 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1278 371 23 Telefonica del Peru S.A.A., PE 22884 1057 67 362 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1026 2486 56 TIM SA, BR 18881 908 1127 31 TELEFONICA BRASIL S.A, BR Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1963 630 32 RAYA-AS, EG 36992 1678 1509 399 ETISALAT-MISR, EG 24863 1263 389 20 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 29571 1189 102 52 ORANGE-COTE-IVOIRE, CI 36935 1119 523 47 Vodafone-, EG 37069 1085 1096 13 MOBINIL, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 561 82 3 KENET-AS, KE 3741 520 725 317 NTT-DATA-Inc, ZA Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14446 41088 5388 AMAZON-02, US 9808 13457 8760 120 CHINAMOBILE-CN China Mobile Communication 8151 12489 3301 570 UNINET, MX 12479 7298 1711 149 UNI2-AS, ES 7545 6116 834 592 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4967 4193 77 ERX-CERNET-BKB China Education and Resear 39891 4833 298 66 ALJAWWALSTC-AS, SA 11492 4776 317 802 CABLEONE, US 22773 4640 3108 402 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4500 537 313 BBIL-AP BHARTI Airtel Ltd., IN Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13457 13337 CHINAMOBILE-CN China Mobile Communications Grou 8151 12489 11919 UNINET, MX 12479 7298 7149 UNI2-AS, ES 7545 6116 5524 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4967 4890 ERX-CERNET-BKB China Education and Research Net 39891 4833 4767 ALJAWWALSTC-AS, SA 22773 4640 4238 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4500 4187 BBIL-AP BHARTI Airtel Ltd., IN 11492 4776 3974 CABLEONE, US 7552 3985 3957 VIETEL-AS-AP Viettel Group, VN Complete listing at https://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 53775 UNALLOCATED 8.20.88.0/24 3737 AS-PTD, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 54739 UNALLOCATED 8.44.198.0/23 13335 CLOUDFLARENET, US 397015 UNALLOCATED 8.44.246.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174, US Complete listing at https://thyme.apnic.net/current/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://thyme.apnic.net/current/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.135.216.0/24 Origin: 400565 RESERVED, ZZ 23.135.216.0/24 Transit: 3356 LEVEL3, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE Complete listing at https://thyme.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 /9:14 /10:41 /11:93 /12:300 /13:581 /14:1197 /15:2125 /16:13813 /17:8275 /18:13578 /19:24932 /20:45246 /21:52564 /22:113275 /23:104909 /24:633093 /25:758 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6686 12489 UNINET, MX 12479 6259 7298 UNI2-AS, ES 11492 3589 4776 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3476 3688 SHAW, CA 22773 2985 4640 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2820 3861 VIASAT-SP-BACKBONE, US 16509 2442 14446 AMAZON-02, US 30036 2305 2647 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2211 3456 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1798 2:1522 3:966 4:10 5:4830 6:171 7:6 8:1529 9:6 11:172 12:1241 13:555 14:2693 15:401 16:303 17:386 18:909 20:581 21:4 22:188 23:8028 24:2559 25:2 27:2732 29:19 31:3355 32:32 33:1 34:81 35:278 36:4505 37:4546 38:9355 39:1171 40:473 41:4370 42:951 43:2761 44:394 45:19185 46:5195 47:373 49:2129 50:2053 51:598 52:1628 54:357 55:1105 56:11 57:293 58:2201 59:1371 60:1192 61:2960 62:3104 63:1766 64:5877 65:2132 66:5913 67:3237 68:1490 69:4134 70:1043 71:632 72:2997 74:2881 75:1504 76:605 77:2767 78:1900 79:1785 80:2269 81:2120 82:3570 83:1471 84:1996 85:3591 86:1107 87:2388 88:1331 89:4530 90:813 91:8398 92:2809 93:2990 94:4171 95:4539 96:1474 97:312 98:947 99:764 100:71 101:1220 102:4133 103:32186 104:5463 105:773 106:907 107:2792 108:1206 109:4188 110:2251 111:3923 112:2761 113:1617 114:2087 115:2214 116:2102 117:3072 118:2540 119:2035 120:2374 121:1548 122:2834 123:2249 124:1730 125:2926 126:124 128:1583 129:969 130:1450 131:2206 132:781 133:461 134:1625 135:365 136:1490 137:1198 138:2832 139:1580 140:1733 141:1573 142:2172 143:2126 144:1317 145:632 146:2189 147:2133 148:2775 149:2823 150:1274 151:2664 152:2271 153:585 154:7901 155:2210 156:3172 157:1988 158:1392 159:2611 160:3743 161:2002 162:3982 163:2318 164:1947 165:2551 166:1521 167:2127 168:3812 169:764 170:5430 171:1063 172:4477 173:3435 174:907 175:1334 176:3757 177:4747 178:4324 179:2297 180:2766 181:4310 182:3775 183:2376 184:2077 185:21670 186:5389 187:4709 188:4378 189:4462 190:9722 191:1585 192:11441 193:9507 194:7844 195:5589 196:3205 197:3234 198:6280 199:8853 200:8230 201:6387 202:10671 203:10565 204:4641 205:3711 206:4405 207:3867 208:4287 209:5416 210:4956 211:2762 212:4900 213:3966 214:1036 215:53 216:7145 217:3393 218:1631 219:572 220:2198 221:1266 222:896 223:3130 End of report _______________________________________________ NANOG mailing list https://lists.nanog.org/archives/list/nanog () lists nanog org/message/6YAOEKEIR3AYMBWF72ESSUMBRA3ATHT7/
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