[routing-wg] Weekly Global IPv4 Routing Table Report

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 25 Jan, 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: 974752 Prefixes after maximum aggregation (per Origin AS): 372145 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 472997 Number of IPv4 prefixes with a valid ROA: 520974 Number of IPv4 prefixes with an invalid ROA: 1252 Number of IPv4 prefixes with no ROA: 452526 Total ASes present in the Internet Routing Table: 76578 Prefixes per ASN: 12.73 Origin-only ASes present in the Internet Routing Table: 65546 Origin ASes announcing only one prefix: 26856 Transit ASes present in the Internet Routing Table: 11032 Transit-only ASes present in the Internet Routing Table: 528 Average AS path length visible in the Internet Routing Table: 5.2 Max AS path length visible: 65 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1066 Number of instances of unregistered ASNs: 1071 Number of 32-bit ASNs allocated by the RIRs: 46061 Number of 32-bit ASNs visible in the Routing Table: 37711 Prefixes from 32-bit ASNs in the Routing Table: 199164 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 519 Number of addresses announced to Internet: 3116464768 Equivalent to 185 /8s, 193 /16s and 122 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 319052 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 256780 Total APNIC prefixes after maximum aggregation: 76928 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 248221 Unique aggregates announced from the APNIC address blocks: 102605 APNIC Region origin ASes present in the Internet Routing Table: 14489 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4431 APNIC Region transit ASes present in the Internet Routing Table: 1939 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9974 Number of APNIC addresses announced to Internet: 755927808 Equivalent to 45 /8s, 14 /16s and 139 /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, 131072-153913 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: 287049 Total ARIN prefixes after maximum aggregation: 127192 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 288730 Unique aggregates announced from the ARIN address blocks: 134531 ARIN Region origin ASes present in the Internet Routing Table: 19218 ARIN Prefixes per ASN: 15.02 ARIN Region origin ASes announcing only one prefix: 7014 ARIN Region transit ASes present in the Internet Routing Table: 2007 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 39 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5124 Number of ARIN addresses announced to Internet: 1345111296 Equivalent to 80 /8s, 44 /16s and 197 /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: 271376 Total RIPE prefixes after maximum aggregation: 131583 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268328 Unique aggregates announced from the RIPE address blocks: 171162 RIPE Region origin ASes present in the Internet Routing Table: 28858 RIPE Prefixes per ASN: 9.30 RIPE Region origin ASes announcing only one prefix: 12076 RIPE Region transit ASes present in the Internet Routing Table: 3990 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 43 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12226 Number of RIPE addresses announced to Internet: 733262208 Equivalent to 43 /8s, 180 /16s and 177 /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: 124089 Total LACNIC prefixes after maximum aggregation: 29068 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 121452 Unique aggregates announced from the LACNIC address blocks: 48862 LACNIC Region origin ASes present in the Internet Routing Table: 11190 LACNIC Prefixes per ASN: 10.85 LACNIC Region origin ASes announcing only one prefix: 2644 LACNIC Region transit ASes present in the Internet Routing Table: 2518 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9122 Number of LACNIC addresses announced to Internet: 177525760 Equivalent to 10 /8s, 148 /16s and 212 /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: 34392 Total AfriNIC prefixes after maximum aggregation: 6708 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 47502 Unique aggregates announced from the AfriNIC address blocks: 15403 AfriNIC Region origin ASes present in the Internet Routing Table: 1909 AfriNIC Prefixes per ASN: 24.88 AfriNIC Region origin ASes announcing only one prefix: 691 AfriNIC Region transit ASes present in the Internet Routing Table: 372 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 65 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1265 Number of AfriNIC addresses announced to Internet: 104372736 Equivalent to 6 /8s, 56 /16s and 154 /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 10345 8754 93 CHINAMOBILE-CN China Mobile Communication 7545 6202 843 662 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4809 4192 76 ERX-CERNET-BKB China Education and Resear 9498 4164 528 274 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3672 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3261 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2825 846 548 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4766 2294 11519 596 KIXS-AS-KR Korea Telecom, KR 4755 2224 434 193 TATACOMM-AS TATA Communications formerly 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 12606 38855 3718 AMAZON-02, US 11492 4691 312 563 CABLEONE, US 7155 4176 287 86 VIASAT-SP-BACKBONE, US 174 4127 8760 882 COGENT-174, US 6327 3615 1320 81 SHAW, CA 22773 3383 3033 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 16625 2930 1259 2160 AKAMAI-AS, US 396982 2908 3657 446 GOOGLE-CLOUD-PLATFORM, US 30036 2572 358 281 MEDIACOM-ENTERPRISE-BUSINESS, 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 7725 1711 144 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3932 3395 129 AKAMAI-ASN1, NL 9009 3751 322 1903 M247, RO 12389 2991 2303 890 ROSTELECOM-AS, RU 34984 2371 361 580 TELLCOM-AS, TR 212238 1906 136 1406 CDNEXT, GB 8452 1616 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1500 99 753 CLOUVIDER Clouvider - Global ASN, GB 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 11654 3228 603 UNINET, MX 10620 3539 492 954 Telmex Colombia S.A., CO 13999 2510 539 366 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1336 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1170 374 163 Axtel, S.A.B. de C.V., MX 11664 1155 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1109 371 22 Telefonica del Peru S.A.A., PE 22884 1074 98 369 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1682 601 30 RAYA-AS, EG 24863 1648 389 18 LINKdotNET-AS, EG 29571 1546 97 106 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1002 521 42 Vodafone-, EG 20011 972 179 276 INTERNET-SOLUTIONS, ZA 37069 839 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 553 82 3 KENET-AS, 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 12606 38855 3718 AMAZON-02, US 8151 11654 3228 603 UNINET, MX 9808 10345 8754 93 CHINAMOBILE-CN China Mobile Communication 12479 7725 1711 144 UNI2-AS, ES 7545 6202 843 662 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4809 4192 76 ERX-CERNET-BKB China Education and Resear 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4691 312 563 CABLEONE, US 7155 4176 287 86 VIASAT-SP-BACKBONE, US 9498 4164 528 274 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 8151 11654 11051 UNINET, MX 9808 10345 10252 CHINAMOBILE-CN China Mobile Communications Grou 12479 7725 7581 UNI2-AS, ES 7545 6202 5540 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 4538 4809 4733 ERX-CERNET-BKB China Education and Research Net 11492 4691 4128 CABLEONE, US 7155 4176 4090 VIASAT-SP-BACKBONE, US 9498 4164 3890 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 3887 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 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 46887 CROWNCASTLE-AS46887, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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: 6939 HURRICANE, US 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6939 HURRICANE, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 10796 TWC-10796-MIDWEST, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.140.176.0/24 Origin: 40676 AS40676, US 23.140.176.0/24 Transit: 7922 COMCAST-7922, 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 /9:16 /10:42 /11:93 /12:309 /13:587 /14:1218 /15:2149 /16:13958 /17:8316 /18:13779 /19:24792 /20:44672 /21:52512 /22:112524 /23:101060 /24:598015 /25:694 /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 12479 6686 7725 UNI2-AS, ES 8151 5855 11654 UNINET, MX 11492 3550 4691 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3124 4176 VIASAT-SP-BACKBONE, US 22773 2519 3383 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2241 12606 AMAZON-02, US 30036 2233 2572 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2179 3539 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1664 2:1539 3:555 4:9 5:4600 6:165 7:6 8:1550 9:1 11:172 12:1386 13:352 14:2533 15:339 16:270 17:361 18:905 20:450 21:4 22:188 23:7261 24:2734 25:2 27:2668 29:19 31:3104 32:40 34:70 35:184 36:2416 37:4547 38:9084 39:895 40:151 41:4171 42:969 43:2505 44:346 45:18254 46:4962 47:295 49:1994 50:1877 51:589 52:1571 54:307 55:1135 56:9 57:235 58:2156 59:1246 60:1161 61:2814 62:2933 63:1831 64:5484 65:2199 66:4630 67:3021 68:1166 69:4025 70:1103 71:604 72:2857 74:2779 75:1637 76:632 77:2606 78:1847 79:1725 80:2226 81:2047 82:2021 83:1430 84:1806 85:3272 86:999 87:2426 88:1278 89:4373 90:754 91:8326 92:2788 93:2899 94:3857 95:4157 96:1288 97:308 98:987 99:734 100:71 101:1144 102:3584 103:32318 104:4630 105:752 106:1015 107:2596 108:1196 109:4079 110:2225 111:3373 112:2048 113:1545 114:1942 115:2138 116:2033 117:2747 118:2437 119:1931 120:1890 121:1410 122:2747 123:2163 124:1607 125:2886 126:94 128:1587 129:955 130:1263 131:1882 132:813 133:451 134:1516 135:324 136:1334 137:1151 138:2933 139:1575 140:1532 141:1469 142:1835 143:1594 144:1037 145:465 146:2137 147:2056 148:2599 149:2853 150:1206 151:1623 152:2095 153:504 154:8050 155:1556 156:3527 157:1867 158:1254 159:2436 160:3502 161:1798 162:3645 163:1789 164:1701 165:2155 166:1338 167:1862 168:4098 169:791 170:5055 171:1003 172:4053 173:3188 174:917 175:1265 176:3590 177:4860 178:3776 179:2206 180:2541 181:3946 182:3367 183:1836 184:2260 185:21406 186:5134 187:4367 188:4230 189:4129 190:9591 191:1560 192:11256 193:9369 194:7708 195:5468 196:3209 197:3519 198:6165 199:8294 200:8095 201:6305 202:10554 203:10523 204:4550 205:3690 206:4675 207:3607 208:4200 209:5169 210:4786 211:2621 212:4525 213:3745 214:1050 215:42 216:6603 217:3095 218:1388 219:542 220:2108 221:1053 222:850 223:2337 End of report