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 18 Oct, 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: 1011399 Prefixes after maximum aggregation (per Origin AS): 392621 Deaggregation factor: 2.58 Unique aggregates announced (without unneeded subnets): 498028 Number of IPv4 prefixes with a valid ROA: 348174 Number of IPv4 prefixes with an invalid ROA: 1184 Number of IPv4 prefixes with no ROA: 662041 Total ASes present in the Internet Routing Table: 77469 Prefixes per ASN: 13.06 Origin-only ASes present in the Internet Routing Table: 66545 Origin ASes announcing only one prefix: 27129 Transit ASes present in the Internet Routing Table: 10924 Transit-only ASes present in the Internet Routing Table: 544 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 91 Max AS path prepend of ASN (265605) 87 Prefixes from unregistered ASNs in the Routing Table: 987 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 47753 Number of 32-bit ASNs visible in the Routing Table: 39156 Prefixes from 32-bit ASNs in the Routing Table: 213744 Number of bogon 32-bit ASNs visible in the Routing Table: 184 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 440 Number of addresses announced to Internet: 3112871168 Equivalent to 185 /8s, 138 /16s and 165 /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: 330626 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 270686 Total APNIC prefixes after maximum aggregation: 80615 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 260298 Unique aggregates announced from the APNIC address blocks: 105904 APNIC Region origin ASes present in the Internet Routing Table: 14855 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 4541 APNIC Region transit ASes present in the Internet Routing Table: 1959 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: 10398 Number of APNIC addresses announced to Internet: 752261504 Equivalent to 44 /8s, 214 /16s and 153 /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: 298875 Total ARIN prefixes after maximum aggregation: 134744 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 299866 Unique aggregates announced from the ARIN address blocks: 144503 ARIN Region origin ASes present in the Internet Routing Table: 19347 ARIN Prefixes per ASN: 15.50 ARIN Region origin ASes announcing only one prefix: 7097 ARIN Region transit ASes present in the Internet Routing Table: 1951 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5372 Number of ARIN addresses announced to Internet: 1352932352 Equivalent to 80 /8s, 164 /16s and 28 /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: 280690 Total RIPE prefixes after maximum aggregation: 139001 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 280622 Unique aggregates announced from the RIPE address blocks: 181304 RIPE Region origin ASes present in the Internet Routing Table: 29104 RIPE Prefixes per ASN: 9.64 RIPE Region origin ASes announcing only one prefix: 12110 RIPE Region transit ASes present in the Internet Routing Table: 3945 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: 12772 Number of RIPE addresses announced to Internet: 733034112 Equivalent to 43 /8s, 177 /16s and 54 /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: 125258 Total LACNIC prefixes after maximum aggregation: 30708 LACNIC Deaggregation factor: 4.08 Prefixes being announced from the LACNIC address blocks: 121350 Unique aggregates announced from the LACNIC address blocks: 49402 LACNIC Region origin ASes present in the Internet Routing Table: 11312 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2521 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 91 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9279 Number of LACNIC addresses announced to Internet: 170651136 Equivalent to 10 /8s, 43 /16s and 238 /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: 34903 Total AfriNIC prefixes after maximum aggregation: 6879 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 48823 Unique aggregates announced from the AfriNIC address blocks: 16528 AfriNIC Region origin ASes present in the Internet Routing Table: 1971 AfriNIC Prefixes per ASN: 24.77 AfriNIC Region origin ASes announcing only one prefix: 714 AfriNIC Region transit ASes present in the Internet Routing Table: 382 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 57 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1335 Number of AfriNIC addresses announced to Internet: 103741184 Equivalent to 6 /8s, 46 /16s and 247 /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 13913 8760 120 CHINAMOBILE-CN China Mobile Communication 7545 6181 834 600 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4940 4193 77 ERX-CERNET-BKB China Education and Resear 9498 4478 536 313 BBIL-AP BHARTI Airtel Ltd., IN 7552 3977 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3688 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3304 1869 100 VNPT-AS-VN VNPT Corp, VN 56046 3165 827 182 CMNET-JIANGSU-AP China Mobile communicati 24560 2936 863 503 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 9304 2534 518 1631 HUTCHISON-AS-AP HGC Global Communications 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 14357 41086 5384 AMAZON-02, US 11492 4762 321 793 CABLEONE, US 22773 4274 3085 367 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3859 286 85 VIASAT-SP-BACKBONE, US 6327 3685 1320 82 SHAW, CA 396982 3272 4825 465 GOOGLE-CLOUD-PLATFORM, US 749 3219 54766 2470 DNIC-AS-00749, US 4155 3111 233 1748 USDA-1, US 174 3011 8766 797 COGENT-174, US 16625 2903 1238 2170 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 7377 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 9009 3983 374 2249 M247, RO 20940 3918 3395 126 AKAMAI-ASN1, NL 12389 3149 2313 867 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2535 181 1842 CDNEXT, GB 34984 2415 363 576 TELLCOM-AS, TR 203020 1718 205 1005 HOSTROYALE, IN 8452 1689 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 12383 3261 584 UNINET, MX 10620 3479 468 1087 Telmex Colombia S.A., CO 13999 2517 511 347 Mega Cable, S.A. de C.V., MX 11830 1988 369 64 Instituto Costarricense de Electricidad y 28573 1376 2435 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1354 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1272 371 23 Telefonica del Peru S.A.A., PE 22884 1059 67 363 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1014 2486 56 TIM SA, BR 18881 893 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 1767 594 28 RAYA-AS, EG 36992 1512 1498 385 ETISALAT-MISR, EG 24863 1251 389 20 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 29571 1189 102 52 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 1010 523 47 Vodafone-, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 568 82 3 KENET-AS, KE 15399 537 56 50 WANANCHI-, KE 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 14357 41086 5384 AMAZON-02, US 9808 13913 8760 120 CHINAMOBILE-CN China Mobile Communication 8151 12383 3261 584 UNINET, MX 12479 7377 1711 149 UNI2-AS, ES 7545 6181 834 600 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4940 4193 77 ERX-CERNET-BKB China Education and Resear 39891 4833 298 66 ALJAWWALSTC-AS, SA 11492 4762 321 793 CABLEONE, US 9498 4478 536 313 BBIL-AP BHARTI Airtel Ltd., IN 22773 4274 3085 367 ASN-CXA-ALL-CCI-22773-RDC, US Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13913 13793 CHINAMOBILE-CN China Mobile Communications Grou 8151 12383 11799 UNINET, MX 12479 7377 7228 UNI2-AS, ES 7545 6181 5581 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4940 4863 ERX-CERNET-BKB China Education and Research Net 39891 4833 4767 ALJAWWALSTC-AS, SA 9498 4478 4165 BBIL-AP BHARTI Airtel Ltd., IN 11492 4762 3969 CABLEONE, US 7552 3977 3949 VIETEL-AS-AP Viettel Group, VN 22773 4274 3907 ASN-CXA-ALL-CCI-22773-RDC, US 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 7029 WINDSTREAM, 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 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 54739 UNALLOCATED 8.44.198.0/23 13335 CLOUDFLARENET, US 397015 UNALLOCATED 8.44.246.0/24 3356 LEVEL3, US 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 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 53587 AZT, US 14.192.20.0/24 Origin: 53587 AZT, US 14.192.20.0/24 Transit: 49612 COGNITIVE-CLOUD-NET, RU 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 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 /14:1199 /15:2124 /16:13799 /17:8276 /18:13565 /19:24932 /20:45188 /21:52442 /22:113106 /23:104509 /24:630428 /25:786 /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 6610 12383 UNINET, MX 12479 6345 7377 UNI2-AS, ES 11492 3576 4762 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3473 3685 SHAW, CA 7155 2818 3859 VIASAT-SP-BACKBONE, US 22773 2648 4274 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2402 14357 AMAZON-02, US 30036 2307 2648 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2214 3479 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1779 2:1534 3:942 4:10 5:4802 6:170 7:6 8:1542 9:6 11:172 12:1239 13:557 14:2687 15:405 16:303 17:387 18:906 20:577 21:4 22:188 23:8019 24:2556 25:2 27:2728 29:19 31:3332 32:32 33:1 34:81 35:279 36:4472 37:4552 38:9410 39:1109 40:472 41:4340 42:925 43:2741 44:396 45:19124 46:5183 47:373 49:2080 50:2052 51:597 52:1617 54:353 55:1094 56:11 57:286 58:2194 59:1364 60:1190 61:2923 62:3090 63:1757 64:5809 65:2121 66:5559 67:3135 68:1473 69:4109 70:1043 71:628 72:2999 74:2830 75:1505 76:607 77:2766 78:1900 79:1748 80:2264 81:2137 82:3476 83:1481 84:1991 85:3545 86:1101 87:2384 88:1330 89:4518 90:814 91:8383 92:2812 93:2980 94:4162 95:4507 96:1474 97:312 98:949 99:754 100:71 101:1224 102:4182 103:32129 104:5452 105:777 106:896 107:2794 108:1208 109:4231 110:2248 111:3880 112:2712 113:1595 114:2069 115:2256 116:2085 117:3016 118:2517 119:2021 120:2331 121:1539 122:2818 123:2254 124:1727 125:2911 126:125 128:1579 129:968 130:1431 131:2166 132:794 133:461 134:1621 135:364 136:1492 137:1193 138:2822 139:1585 140:1693 141:1553 142:2169 143:2100 144:1286 145:629 146:2183 147:2135 148:2738 149:2935 150:1285 151:2635 152:2205 153:576 154:7847 155:2188 156:3182 157:1986 158:1441 159:2607 160:3613 161:2000 162:3955 163:2293 164:1954 165:2557 166:1570 167:2114 168:3814 169:783 170:5390 171:1061 172:4481 173:3432 174:906 175:1338 176:3756 177:4772 178:4312 179:2276 180:2747 181:4263 182:3747 183:2342 184:2083 185:21640 186:5354 187:4723 188:4381 189:4405 190:9726 191:1568 192:11417 193:9493 194:7834 195:5598 196:3292 197:3249 198:6258 199:8804 200:8195 201:6370 202:10600 203:10530 204:4645 205:3687 206:4419 207:3866 208:4271 209:5395 210:4945 211:2777 212:4888 213:3919 214:1031 215:52 216:7060 217:3357 218:1630 219:572 220:2195 221:1251 222:884 223:3095 End of report