[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 09 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: 1049467 Prefixes after maximum aggregation (per Origin AS): 401933 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 516952 Number of IPv4 prefixes with a valid ROA: 639984 Number of IPv4 prefixes with an invalid ROA: 1389 Number of IPv4 prefixes with no ROA: 408094 Total ASes present in the Internet Routing Table: 78491 Prefixes per ASN: 13.37 Origin-only ASes present in the Internet Routing Table: 67454 Origin ASes announcing only one prefix: 27442 Transit ASes present in the Internet Routing Table: 11037 Transit-only ASes present in the Internet Routing Table: 583 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: 1020 Number of instances of unregistered ASNs: 1050 Number of 32-bit ASNs allocated by the RIRs: 49709 Number of 32-bit ASNs visible in the Routing Table: 40600 Prefixes from 32-bit ASNs in the Routing Table: 229715 Number of bogon 32-bit ASNs visible in the Routing Table: 103 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 427 Number of addresses announced to Internet: 3104158720 Equivalent to 185 /8s, 5 /16s and 180 /24s Percentage of available address space announced: 83.8 Percentage of allocated address space announced: 83.8 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: 342211 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 288180 Total APNIC prefixes after maximum aggregation: 83330 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 274270 Unique aggregates announced from the APNIC address blocks: 107770 APNIC Region origin ASes present in the Internet Routing Table: 15217 APNIC Prefixes per ASN: 18.02 APNIC Region origin ASes announcing only one prefix: 4657 APNIC Region transit ASes present in the Internet Routing Table: 2016 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: 10786 Number of APNIC addresses announced to Internet: 748712832 Equivalent to 44 /8s, 160 /16s and 115 /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: 303900 Total ARIN prefixes after maximum aggregation: 136757 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 303191 Unique aggregates announced from the ARIN address blocks: 147687 ARIN Region origin ASes present in the Internet Routing Table: 19446 ARIN Prefixes per ASN: 15.59 ARIN Region origin ASes announcing only one prefix: 7114 ARIN Region transit ASes present in the Internet Routing Table: 1918 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: 5571 Number of ARIN addresses announced to Internet: 1347838976 Equivalent to 80 /8s, 86 /16s and 100 /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: 290329 Total RIPE prefixes after maximum aggregation: 143328 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 293587 Unique aggregates announced from the RIPE address blocks: 191454 RIPE Region origin ASes present in the Internet Routing Table: 29478 RIPE Prefixes per ASN: 9.96 RIPE Region origin ASes announcing only one prefix: 12213 RIPE Region transit ASes present in the Internet Routing Table: 3985 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: 13408 Number of RIPE addresses announced to Internet: 733420160 Equivalent to 43 /8s, 183 /16s and 26 /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: 128887 Total LACNIC prefixes after maximum aggregation: 30888 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 123293 Unique aggregates announced from the LACNIC address blocks: 50285 LACNIC Region origin ASes present in the Internet Routing Table: 11400 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2725 LACNIC Region transit ASes present in the Internet Routing Table: 2565 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9444 Number of LACNIC addresses announced to Internet: 169720064 Equivalent to 10 /8s, 29 /16s and 185 /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: 37151 Total AfriNIC prefixes after maximum aggregation: 7009 AfriNIC Deaggregation factor: 5.30 Prefixes being announced from the AfriNIC address blocks: 54699 Unique aggregates announced from the AfriNIC address blocks: 19386 AfriNIC Region origin ASes present in the Internet Routing Table: 2025 AfriNIC Prefixes per ASN: 27.01 AfriNIC Region origin ASes announcing only one prefix: 733 AfriNIC Region transit ASes present in the Internet Routing Table: 387 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: 1391 Number of AfriNIC addresses announced to Internet: 104270080 Equivalent to 6 /8s, 55 /16s and 9 /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 13948 8945 105 CHINAMOBILE-CN China Mobile Communication 7545 5883 826 482 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 5007 4192 75 ERX-CERNET-BKB China Education and Resear 9498 4935 551 321 BBIL-AP BHARTI Airtel Ltd., IN 18403 4538 347 26 FPT-AS-AP FPT Telecom Company, VN 7552 4069 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3721 1044 64 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3536 887 178 CMNET-JIANGSU-AP China Mobile communicati 17561 3460 218 595 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 14934 41296 5702 AMAZON-02 - Amazon.com, Inc., US 22773 4785 3116 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4644 308 1053 CABLEONE - CABLE ONE, INC., US 7155 3867 286 90 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3719 1305 75 SHAW - Shaw Communications, CA 396982 3335 4865 504 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2917 222 905 AS-COLOCROSSING - HostPapa, US 7029 2644 2558 920 WINDSTREAM - Windstream Communications LL 30036 2612 359 455 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C 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 7184 1711 149 UNI2-AS, ES 39891 4975 307 72 ALJAWWALSTC-AS, SA 9009 3901 359 2306 M247, RO 20940 3798 3389 109 AKAMAI-ASN1, NL 12389 3160 2321 874 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2772 202 2044 CDNEXT, GB 34984 2499 368 588 TELLCOM-AS, TR 8452 1712 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 12765 3266 636 UNINET, MX 10620 3429 450 1105 Telmex Colombia S.A., CO 13999 2419 506 350 Mega Cable, S.A. de C.V., MX 11830 1934 369 65 Instituto Costarricense de Electricidad y 11664 1450 277 34 Techtel LMDS Comunicaciones Interactivas 28573 1375 2431 268 Claro NXT Telecomunicacoes Ltda, BR 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1227 379 23 INTEGRATEL PERU S.A.A., PE 22884 1073 70 363 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1073 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 1860 1533 334 ETISALAT-MISR, EG 24863 1273 389 16 LINKdotNET-AS, EG 36935 1237 520 41 Vodafone-, EG 36903 1232 555 98 MT-MPLS, MA 37069 1117 1100 11 MOBINIL, EG 29571 1070 70 18 ORANGE-COTE-IVOIRE, CI 20011 589 155 220 NTT-DATA-Inc, ZA 328608 565 53 159 Africa-on-Cloud-AS, ZA 36914 550 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 14934 41296 5702 AMAZON-02 - Amazon.com, Inc., US 9808 13948 8945 105 CHINAMOBILE-CN China Mobile Communication 8151 12765 3266 636 UNINET, MX 12479 7184 1711 149 UNI2-AS, ES 7545 5883 826 482 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 5007 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4975 307 72 ALJAWWALSTC-AS, SA 9498 4935 551 321 BBIL-AP BHARTI Airtel Ltd., IN 22773 4785 3116 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4644 308 1053 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 13948 13843 CHINAMOBILE-CN China Mobile Communications Grou 8151 12765 12129 UNINET, MX 12479 7184 7035 UNI2-AS, ES 7545 5883 5401 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 5007 4932 ERX-CERNET-BKB China Education and Research Net 39891 4975 4903 ALJAWWALSTC-AS, SA 9498 4935 4614 BBIL-AP BHARTI Airtel Ltd., IN 18403 4538 4512 FPT-AS-AP FPT Telecom Company, VN 22773 4785 4419 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4069 4041 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 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 395476 UNALLOCATED 12.36.194.0/24 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 /14:1187 /15:2099 /16:13633 /17:8377 /18:13424 /19:25706 /20:46954 /21:52965 /22:114078 /23:108326 /24:660982 /25:693 /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 6972 12765 UNINET, MX 12479 6121 7184 UNI2-AS, ES 39891 3660 4975 ALJAWWALSTC-AS, SA 11492 3510 4644 CABLEONE - CABLE ONE, INC., US 6327 3499 3719 SHAW - Shaw Communications, CA 22773 3058 4785 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2822 3867 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2689 14934 AMAZON-02 - Amazon.com, Inc., US 30036 2265 2612 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) ---------------------------------------------- 1:2528 2:2012 3:1000 4:5 5:5087 6:200 7:6 8:1489 9:43 11:172 12:1176 13:704 14:2744 15:464 16:208 17:443 18:921 20:591 21:4 22:188 23:8321 24:2780 25:2 27:2746 28:1 29:19 31:3538 32:37 34:86 35:287 36:4753 37:4439 38:9644 39:1296 40:441 41:4578 42:2171 43:3116 44:449 45:19797 46:4901 47:416 48:127 49:2228 50:2013 51:677 52:1317 54:282 55:1021 56:11 57:327 58:2417 59:1433 60:1176 61:3151 62:3127 63:1691 64:6383 65:2146 66:6122 67:3271 68:1506 69:4221 70:1061 71:610 72:3187 74:3067 75:1503 76:601 77:2961 78:2026 79:1793 80:2352 81:2248 82:4187 83:1457 84:2157 85:3840 86:1092 87:2640 88:1340 89:4781 90:812 91:8465 92:2797 93:3036 94:4403 95:4748 96:1455 97:312 98:945 99:831 100:70 101:1370 102:4536 103:32449 104:5379 105:856 106:901 107:2937 108:1282 109:4251 110:2282 111:4192 112:3181 113:1969 114:2289 115:2237 116:2150 117:3485 118:2979 119:2091 120:2740 121:1592 122:3006 123:2288 124:1727 125:3036 126:126 128:1582 129:979 130:1659 131:2479 132:895 133:486 134:1696 135:608 136:1542 137:1429 138:3357 139:1613 140:1831 141:1743 142:2568 143:2107 144:1765 145:638 146:2195 147:2254 148:2806 149:3121 150:1363 151:2918 152:2341 153:1560 154:9679 155:2304 156:5197 157:2322 158:1572 159:2874 160:3816 161:1968 162:4072 163:2552 164:2425 165:2668 166:1280 167:2315 168:4035 169:867 170:5615 171:1140 172:4778 173:3469 174:892 175:1357 176:3944 177:4843 178:4422 179:2340 180:3052 181:4577 182:4014 183:2827 184:2006 185:21904 186:6096 187:5006 188:4600 189:4537 190:9810 191:1684 192:11511 193:9646 194:7898 195:5840 196:3364 197:3219 198:6309 199:6076 200:8270 201:6391 202:10792 203:10535 204:4791 205:3756 206:4525 207:3988 208:4358 209:5480 210:4900 211:2781 212:5108 213:4098 214:1040 215:47 216:7312 217:3604 218:1760 219:585 220:2191 221:1317 222:1080 223:3458 End of report