From cscora at apnic.net Fri May 1 18:03:36 2026 From: cscora at apnic.net (Routing Table Analysis Role Account) Date: Sat, 2 May 2026 04:03:36 +1000 (AEST) Subject: [afnog] Weekly Global IPv4 Routing Table Report In-Reply-To: 20260502.040001@thyme.apnic.net Message-ID: <20260501180336.C18ACC0A2B@thyme.rand.apnic.net> 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 at lists.apnic.net. For historical data, please see https://thyme.apnic.net. If you have any comments please contact Philip Smith . IPv4 Routing Table Report 04:00 +10GMT Sat 02 May, 2026 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: 1049583 Prefixes after maximum aggregation (per Origin AS): 401345 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 515625 Number of IPv4 prefixes with a valid ROA: 624805 Number of IPv4 prefixes with an invalid ROA: 1525 Number of IPv4 prefixes with no ROA: 423253 Total ASes present in the Internet Routing Table: 78417 Prefixes per ASN: 13.38 Origin-only ASes present in the Internet Routing Table: 67393 Origin ASes announcing only one prefix: 27431 Transit ASes present in the Internet Routing Table: 11024 Transit-only ASes present in the Internet Routing Table: 573 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 69 Max AS path prepend of ASN (269326) 61 Prefixes from unregistered ASNs in the Routing Table: 1015 Number of instances of unregistered ASNs: 1045 Number of 32-bit ASNs allocated by the RIRs: 49605 Number of 32-bit ASNs visible in the Routing Table: 40502 Prefixes from 32-bit ASNs in the Routing Table: 229133 Number of bogon 32-bit ASNs visible in the Routing Table: 105 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 426 Number of addresses announced to Internet: 3105992704 Equivalent to 185 /8s, 33 /16s and 176 /24s Percentage of available address space announced: 83.9 Percentage of allocated address space announced: 83.9 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: 341696 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 287583 Total APNIC prefixes after maximum aggregation: 83104 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 273814 Unique aggregates announced from the APNIC address blocks: 107569 APNIC Region origin ASes present in the Internet Routing Table: 15205 APNIC Prefixes per ASN: 18.01 APNIC Region origin ASes announcing only one prefix: 4674 APNIC Region transit ASes present in the Internet Routing Table: 2007 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 44 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10771 Number of APNIC addresses announced to Internet: 749980032 Equivalent to 44 /8s, 179 /16s and 201 /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: 305099 Total ARIN prefixes after maximum aggregation: 136726 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 304328 Unique aggregates announced from the ARIN address blocks: 147550 ARIN Region origin ASes present in the Internet Routing Table: 19428 ARIN Prefixes per ASN: 15.66 ARIN Region origin ASes announcing only one prefix: 7108 ARIN Region transit ASes present in the Internet Routing Table: 1917 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5554 Number of ARIN addresses announced to Internet: 1348358656 Equivalent to 80 /8s, 94 /16s and 82 /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, 393216-404380 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: 289848 Total RIPE prefixes after maximum aggregation: 143058 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 292908 Unique aggregates announced from the RIPE address blocks: 190835 RIPE Region origin ASes present in the Internet Routing Table: 29453 RIPE Prefixes per ASN: 9.94 RIPE Region origin ASes announcing only one prefix: 12207 RIPE Region transit ASes present in the Internet Routing Table: 3975 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13357 Number of RIPE addresses announced to Internet: 733252224 Equivalent to 43 /8s, 180 /16s and 138 /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: 128849 Total LACNIC prefixes after maximum aggregation: 30819 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 123393 Unique aggregates announced from the LACNIC address blocks: 50270 LACNIC Region origin ASes present in the Internet Routing Table: 11390 LACNIC Prefixes per ASN: 10.83 LACNIC Region origin ASes announcing only one prefix: 2709 LACNIC Region transit ASes present in the Internet Routing Table: 2563 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9428 Number of LACNIC addresses announced to Internet: 169968896 Equivalent to 10 /8s, 33 /16s and 133 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 37189 Total AfriNIC prefixes after maximum aggregation: 7018 AfriNIC Deaggregation factor: 5.30 Prefixes being announced from the AfriNIC address blocks: 54714 Unique aggregates announced from the AfriNIC address blocks: 19031 AfriNIC Region origin ASes present in the Internet Routing Table: 2025 AfriNIC Prefixes per ASN: 27.02 AfriNIC Region origin ASes announcing only one prefix: 733 AfriNIC Region transit ASes present in the Internet Routing Table: 388 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 53 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1392 Number of AfriNIC addresses announced to Internet: 104236288 Equivalent to 6 /8s, 54 /16s and 133 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 13942 8945 105 CHINAMOBILE-CN China Mobile Communication 7545 5883 826 483 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 5018 4192 75 ERX-CERNET-BKB China Education and Resear 9498 4933 551 321 BBIL-AP BHARTI Airtel Ltd., IN 18403 4528 347 26 FPT-AS-AP FPT Telecom Company, VN 7552 4057 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3680 1044 64 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3536 887 178 CMNET-JIANGSU-AP China Mobile communicati 17561 3474 218 579 LCS-AS-AP LARUS Limited, HK 45899 3374 1868 100 VNPT-AS-VN VNPT Corp, VN 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 14849 41292 5685 AMAZON-02 - Amazon.com, Inc., US 22773 4781 3116 365 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4653 309 1047 CABLEONE - CABLE ONE, INC., US 7155 3870 286 90 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3727 1305 75 SHAW - Shaw Communications, CA 174 3440 8770 847 COGENT-174 - Cogent Communications, LLC, 396982 3337 4864 507 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2720 222 904 AS-COLOCROSSING - HostPapa, US 7029 2629 2558 923 WINDSTREAM - Windstream Communications LL 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 7170 1711 149 UNI2-AS, ES 39891 4943 305 72 ALJAWWALSTC-AS, SA 9009 3862 355 2266 M247, RO 20940 3794 3389 110 AKAMAI-ASN1, NL 12389 3158 2321 873 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2761 201 2036 CDNEXT, GB 34984 2451 365 579 TELLCOM-AS, TR 8452 1729 1852 17 TE-AS TE-AS, EG 203020 1661 252 831 HOSTROYALE, IN 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 12849 3294 633 UNINET, MX 10620 3429 450 1105 Telmex Colombia S.A., CO 13999 2402 505 349 Mega Cable, S.A. de C.V., MX 11830 1936 369 65 Instituto Costarricense de Electricidad y 11664 1446 277 34 Techtel LMDS Comunicaciones Interactivas 28573 1374 2431 268 Claro NXT Telecomunicacoes Ltda, BR 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1229 379 23 INTEGRATEL PERU S.A.A., PE 22884 1071 70 363 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1071 2392 100 TIM SA, 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 2027 649 36 RAYA-AS, EG 36992 1859 1533 336 ETISALAT-MISR, EG 24863 1273 389 16 LINKdotNET-AS, EG 36935 1243 522 44 Vodafone-, EG 36903 1232 555 98 MT-MPLS, MA 37069 1117 1100 11 MOBINIL, EG 29571 1071 78 19 ORANGE-COTE-IVOIRE, CI 20011 589 155 220 NTT-DATA-Inc, ZA 328608 563 53 159 Africa-on-Cloud-AS, ZA 15399 550 57 60 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 14849 41292 5685 AMAZON-02 - Amazon.com, Inc., US 9808 13942 8945 105 CHINAMOBILE-CN China Mobile Communication 8151 12849 3294 633 UNINET, MX 12479 7170 1711 149 UNI2-AS, ES 7545 5883 826 483 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 5018 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4943 305 72 ALJAWWALSTC-AS, SA 9498 4933 551 321 BBIL-AP BHARTI Airtel Ltd., IN 22773 4781 3116 365 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4653 309 1047 CABLEONE - CABLE ONE, INC., 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 13942 13837 CHINAMOBILE-CN China Mobile Communications Grou 8151 12849 12216 UNINET, MX 12479 7170 7021 UNI2-AS, ES 7545 5883 5400 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 5018 4943 ERX-CERNET-BKB China Education and Research Net 39891 4943 4871 ALJAWWALSTC-AS, SA 9498 4933 4612 BBIL-AP BHARTI Airtel Ltd., IN 18403 4528 4502 FPT-AS-AP FPT Telecom Company, VN 22773 4781 4416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4057 4029 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 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887 - C 395729 UNALLOCATED 8.28.58.0/24 32787 PROLEXIC-TECHNOLOGIES-D 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174 - Cogent Com 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En 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 - Hurricane Electric LLC, US Complete listing at https://thyme.apnic.net/current/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US 23.137.200.0/24 Origin: 16276 OVH, FR 23.137.200.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.140.216.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, 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 /10:39 /11:95 /12:297 /13:582 /14:1190 /15:2101 /16:13647 /17:8382 /18:13429 /19:25732 /20:46965 /21:52989 /22:114101 /23:108091 /24:661221 /25:692 /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 7045 12849 UNINET, MX 12479 6111 7170 UNI2-AS, ES 39891 3628 4943 ALJAWWALSTC-AS, SA 11492 3517 4653 CABLEONE - CABLE ONE, INC., US 6327 3507 3727 SHAW - Shaw Communications, CA 22773 3055 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2825 3870 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2672 14849 AMAZON-02 - Amazon.com, Inc., US 30036 2275 2621 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2233 3429 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2523 2:2020 3:1010 4:5 5:5098 6:199 7:6 8:1512 9:43 11:172 12:1188 13:703 14:2738 15:463 16:208 17:426 18:919 20:588 21:4 22:188 23:8182 24:2783 25:2 27:2747 28:1 29:19 31:3483 32:37 34:86 35:287 36:4738 37:4442 38:10186 39:1296 40:439 41:4569 42:2172 43:3092 44:451 45:19814 46:4869 47:416 48:127 49:2229 50:2017 51:685 52:1327 54:290 55:1214 56:11 57:327 58:2415 59:1432 60:1176 61:3136 62:3129 63:1705 64:6378 65:2144 66:6121 67:3267 68:1502 69:4220 70:1059 71:611 72:3197 74:3058 75:1502 76:594 77:2913 78:1996 79:1792 80:2347 81:2246 82:4149 83:1449 84:2149 85:3842 86:1086 87:2629 88:1336 89:4805 90:808 91:8471 92:2818 93:3021 94:4392 95:4721 96:1451 97:317 98:944 99:830 100:70 101:1365 102:4534 103:32395 104:5384 105:863 106:901 107:2883 108:1261 109:4249 110:2279 111:4188 112:3184 113:1972 114:2290 115:2244 116:2152 117:3490 118:2975 119:2091 120:2739 121:1590 122:3004 123:2298 124:1727 125:3020 126:126 128:1589 129:976 130:1651 131:2477 132:879 133:486 134:1679 135:606 136:1543 137:1415 138:3339 139:1610 140:1828 141:1727 142:2550 143:2101 144:1771 145:641 146:2194 147:2246 148:2787 149:3211 150:1377 151:2908 152:2334 153:1496 154:10219 155:2306 156:4910 157:2314 158:1570 159:2863 160:3814 161:1963 162:4050 163:2535 164:2424 165:2661 166:1285 167:2308 168:4027 169:874 170:5574 171:1134 172:4751 173:3464 174:882 175:1358 176:3882 177:4832 178:4386 179:2326 180:3056 181:4562 182:4004 183:2821 184:2008 185:21871 186:6071 187:5034 188:4555 189:4558 190:9846 191:1657 192:11494 193:9641 194:7893 195:5829 196:3372 197:3251 198:6295 199:6083 200:8270 201:6414 202:10781 203:10518 204:4814 205:3755 206:4668 207:4021 208:4383 209:5498 210:4904 211:2779 212:5105 213:4105 214:1044 215:47 216:7315 217:3604 218:1755 219:585 220:2191 221:1315 222:1080 223:3453 End of report