IPv4 R&E Routing Table Report 21:10 GMT Thu 19 Feb, 2026 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 1033609 Prefixes after maximum aggregation (per Origin AS): 397321 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 510058 Number of IPv4 prefixes with a valid ROA: 620302 Number of IPv4 prefixes with an invalid ROA: 108 Number of IPv4 prefixes with no ROA: 413198 Total ASes present in the Internet Routing Table: 78003 Prefixes per ASN: 13.25 Origin-only ASes present in the Internet Routing Table: 66724 Origin ASes announcing only one prefix: 27290 Transit ASes present in the Internet Routing Table: 11279 Transit-only ASes present in the Internet Routing Table: 582 Paths with bogon ASNs present in the IPv4 Routing Table: 12 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 68 Max AS path prepend of ASN (269326) 61 Prefixes from unregistered ASNs in the Routing Table: 1067 Number of instances of unregistered ASNs: 1100 Number of 32-bit ASNs allocated by the RIRs: 48772 Number of 32-bit ASNs visible in the Routing Table: 39908 Prefixes from 32-bit ASNs in the Routing Table: 222763 Number of bogon 32-bit ASNs visible in the Routing Table: 82 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 438 Number of addresses announced to Internet: 3112678144 Equivalent to 185 /8s, 135 /16s and 179 /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: 336359 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 281101 Total APNIC prefixes after maximum aggregation: 82050 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 267663 Unique aggregates announced from the APNIC address blocks: 107422 APNIC Region origin ASes present in the Internet Routing Table: 15058 APNIC Prefixes per ASN: 17.78 APNIC Region origin ASes announcing only one prefix: 4614 APNIC Region transit ASes present in the Internet Routing Table: 2024 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10620 Number of APNIC addresses announced to Internet: 752141056 Equivalent to 44 /8s, 212 /16s and 195 /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: 303564 Total ARIN prefixes after maximum aggregation: 136676 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 303224 Unique aggregates announced from the ARIN address blocks: 146864 ARIN Region origin ASes present in the Internet Routing Table: 19403 ARIN Prefixes per ASN: 15.63 ARIN Region origin ASes announcing only one prefix: 7086 ARIN Region transit ASes present in the Internet Routing Table: 1993 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5476 Number of ARIN addresses announced to Internet: 1352881920 Equivalent to 80 /8s, 163 /16s and 87 /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: 284907 Total RIPE prefixes after maximum aggregation: 140688 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 287501 Unique aggregates announced from the RIPE address blocks: 186266 RIPE Region origin ASes present in the Internet Routing Table: 29263 RIPE Prefixes per ASN: 9.82 RIPE Region origin ASes announcing only one prefix: 12155 RIPE Region transit ASes present in the Internet Routing Table: 4068 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 45 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13071 Number of RIPE addresses announced to Internet: 733247232 Equivalent to 43 /8s, 180 /16s and 119 /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: 126334 Total LACNIC prefixes after maximum aggregation: 30273 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 122093 Unique aggregates announced from the LACNIC address blocks: 49587 LACNIC Region origin ASes present in the Internet Routing Table: 11352 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2591 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 68 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9360 Number of LACNIC addresses announced to Internet: 170932736 Equivalent to 10 /8s, 48 /16s and 58 /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: 36636 Total AfriNIC prefixes after maximum aggregation: 6946 AfriNIC Deaggregation factor: 5.27 Prefixes being announced from the AfriNIC address blocks: 52689 Unique aggregates announced from the AfriNIC address blocks: 19538 AfriNIC Region origin ASes present in the Internet Routing Table: 2019 AfriNIC Prefixes per ASN: 26.10 AfriNIC Region origin ASes announcing only one prefix: 743 AfriNIC Region transit ASes present in the Internet Routing Table: 393 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 52 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1381 Number of AfriNIC addresses announced to Internet: 103280128 Equivalent to 6 /8s, 39 /16s and 238 /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 13725 8729 120 CHINAMOBILE-CN China Mobile Communication 7545 5996 832 548 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4782 546 334 BBIL-AP BHARTI Airtel Ltd., IN 18403 4508 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4070 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3684 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3465 886 176 CMNET-JIANGSU-AP China Mobile communicati 45899 3319 1868 97 VNPT-AS-VN VNPT Corp, VN 17561 3151 198 591 LCS-AS-AP LARUS Limited, HK 24560 2979 864 507 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14339 41156 5579 AMAZON-02 - Amazon.com, Inc., US 22773 4782 3114 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4627 307 1026 CABLEONE - CABLE ONE, INC., US 7155 3861 286 85 VIASAT-SP-BACKBONE - ViaSat,Inc., US 174 3708 8767 861 COGENT-174 - Cogent Communications, LLC, 6327 3698 1321 71 SHAW - Shaw Communications, CA 396982 3323 4856 492 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3142 54728 2393 DNIC-AS-00749 - United States Department 16625 2907 1265 2169 AKAMAI-AS - Akamai Technologies, Inc., US 36352 2691 221 899 AS-COLOCROSSING - HostPapa, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7236 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 20940 3935 3393 114 AKAMAI-ASN1, NL 9009 3835 356 2239 M247, RO 12389 3144 2317 870 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2612 188 1908 CDNEXT, GB 34984 2443 364 574 TELLCOM-AS, TR 8452 1675 1852 16 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 203020 1601 243 779 HOSTROYALE, IN Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12688 3307 601 UNINET, MX 10620 3448 457 1103 Telmex Colombia S.A., CO 13999 2464 506 349 Mega Cable, S.A. de C.V., MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 11664 1415 278 33 Techtel LMDS Comunicaciones Interactivas 28573 1375 2430 272 Claro NXT Telecomunicacoes Ltda, BR 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1255 371 22 INTEGRATEL PERU S.A.A., PE 22884 1057 67 359 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1019 2486 57 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1984 648 34 RAYA-AS, EG 36992 1845 1532 339 ETISALAT-MISR, EG 24863 1282 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 36935 1199 523 46 Vodafone-, EG 37069 1115 1100 11 MOBINIL, EG 29571 1073 78 20 ORANGE-COTE-IVOIRE, CI 20011 580 154 212 NTT-DATA-Inc, ZA 328608 567 51 166 Africa-on-Cloud-AS, ZA 36914 560 82 3 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14339 41156 5579 AMAZON-02 - Amazon.com, Inc., US 9808 13725 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 12688 3307 601 UNINET, MX 12479 7236 1711 149 UNI2-AS, ES 7545 5996 832 548 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 306 72 ALJAWWALSTC-AS, SA 9498 4782 546 334 BBIL-AP BHARTI Airtel Ltd., IN 22773 4782 3114 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4627 307 1026 CABLEONE - CABLE ONE, INC., US 18403 4508 347 24 FPT-AS-AP FPT Telecom Company, VN Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13725 13605 CHINAMOBILE-CN China Mobile Communications Grou 8151 12688 12087 UNINET, MX 12479 7236 7087 UNI2-AS, ES 7545 5996 5448 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 18403 4508 4484 FPT-AS-AP FPT Telecom Company, VN 9498 4782 4448 BBIL-AP BHARTI Airtel Ltd., IN 22773 4782 4419 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4070 4041 VIETEL-AS-AP Viettel Group, VN 20940 3935 3821 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/AARNET/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 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 13450 UNALLOCATED 8.29.117.0/24 55002 DEFENSE-NET - F5, Inc., 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 397665 UNALLOCATED 12.24.28.0/24 7018 ATT-INTERNET4 - AT&T En Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS 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: 7575 AARNET-AS-AP Australian Academic and Res 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://bgp.nsrc.org/REN/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:40 /11:95 /12:299 /13:583 /14:1205 /15:2108 /16:13675 /17:8271 /18:13569 /19:25446 /20:45326 /21:52358 /22:113626 /23:107050 /24:649927 /25:0 /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 6857 12688 UNINET, MX 12479 6164 7236 UNI2-AS, ES 39891 3655 4969 ALJAWWALSTC-AS, SA 11492 3489 4627 CABLEONE - CABLE ONE, INC., US 6327 3479 3698 SHAW - Shaw Communications, CA 22773 3054 4782 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2601 14339 AMAZON-02 - Amazon.com, Inc., US 30036 2312 2657 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2228 3448 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2507 2:1576 3:984 4:9 5:5151 6:185 7:6 8:1510 9:26 11:172 12:1224 13:641 14:2656 15:454 16:174 17:399 18:918 20:598 21:4 22:188 23:8224 24:2622 25:2 27:2839 29:19 31:3438 32:31 34:81 35:291 36:4635 37:4434 38:10445 39:1267 40:443 41:4545 42:1998 43:2968 44:428 45:19648 46:4936 47:404 48:38 49:2204 50:2077 51:598 52:1279 54:260 55:1118 56:11 57:317 58:2336 59:1348 60:1174 61:3123 62:3129 63:1768 64:6249 65:2120 66:6034 67:3254 68:1489 69:4226 70:1037 71:621 72:3094 74:2979 75:1501 76:584 77:2838 78:1916 79:1791 80:2342 81:2214 82:4023 83:1462 84:2049 85:3824 86:1109 87:2271 88:1344 89:4706 90:809 91:8441 92:2855 93:3024 94:4314 95:4574 96:1450 97:313 98:948 99:790 100:69 101:1337 102:4435 103:32404 104:5517 105:790 106:923 107:2849 108:1218 109:4217 110:2294 111:4101 112:3149 113:1980 114:2174 115:2298 116:2162 117:3468 118:3033 119:2069 120:2681 121:1523 122:2969 123:2347 124:1622 125:2967 126:125 128:1694 129:948 130:1600 131:2354 132:781 133:461 134:1640 135:564 136:1627 137:1539 138:3104 139:1634 140:1790 141:1580 142:2499 143:2178 144:1709 145:628 146:2206 147:2211 148:2788 149:2995 150:1317 151:2684 152:2290 153:998 154:9146 155:2295 156:4582 157:2265 158:1497 159:2766 160:3741 161:1963 162:4032 163:2352 164:2018 165:2621 166:1285 167:2240 168:3973 169:891 170:5499 171:1119 172:4587 173:3446 174:890 175:1356 176:3804 177:4722 178:4359 179:2291 180:3008 181:4405 182:3963 183:2843 184:2005 185:21793 186:5618 187:4872 188:4547 189:4470 190:9724 191:1535 192:11456 193:9593 194:7833 195:5696 196:3275 197:3195 198:6259 199:6125 200:8172 201:6400 202:10657 203:10647 204:4749 205:3787 206:4485 207:3990 208:4373 209:5462 210:4805 211:2690 212:4988 213:4097 214:1072 215:54 216:7198 217:3515 218:1678 219:419 220:2193 221:1318 222:931 223:3297 End of report