IPv4 R&E Routing Table Report 21:10 GMT Thu 12 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: 1032506 Prefixes after maximum aggregation (per Origin AS): 396698 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 509135 Number of IPv4 prefixes with a valid ROA: 619337 Number of IPv4 prefixes with an invalid ROA: 108 Number of IPv4 prefixes with no ROA: 413061 Total ASes present in the Internet Routing Table: 77922 Prefixes per ASN: 13.25 Origin-only ASes present in the Internet Routing Table: 66673 Origin ASes announcing only one prefix: 27218 Transit ASes present in the Internet Routing Table: 11249 Transit-only ASes present in the Internet Routing Table: 580 Paths with bogon ASNs present in the IPv4 Routing Table: 11 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: 1065 Number of instances of unregistered ASNs: 1097 Number of 32-bit ASNs allocated by the RIRs: 48694 Number of 32-bit ASNs visible in the Routing Table: 39843 Prefixes from 32-bit ASNs in the Routing Table: 222041 Number of bogon 32-bit ASNs visible in the Routing Table: 80 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 444 Number of addresses announced to Internet: 3102752256 Equivalent to 184 /8s, 240 /16s and 62 /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: 335913 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 281002 Total APNIC prefixes after maximum aggregation: 82075 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 267544 Unique aggregates announced from the APNIC address blocks: 107289 APNIC Region origin ASes present in the Internet Routing Table: 15039 APNIC Prefixes per ASN: 17.79 APNIC Region origin ASes announcing only one prefix: 4606 APNIC Region transit ASes present in the Internet Routing Table: 2018 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 52 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10603 Number of APNIC addresses announced to Internet: 752040960 Equivalent to 44 /8s, 211 /16s and 60 /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: 303419 Total ARIN prefixes after maximum aggregation: 136334 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 302787 Unique aggregates announced from the ARIN address blocks: 146587 ARIN Region origin ASes present in the Internet Routing Table: 19389 ARIN Prefixes per ASN: 15.62 ARIN Region origin ASes announcing only one prefix: 7082 ARIN Region transit ASes present in the Internet Routing Table: 1985 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: 5465 Number of ARIN addresses announced to Internet: 1342475264 Equivalent to 80 /8s, 4 /16s and 140 /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: 284053 Total RIPE prefixes after maximum aggregation: 140409 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 286316 Unique aggregates announced from the RIPE address blocks: 185805 RIPE Region origin ASes present in the Internet Routing Table: 29218 RIPE Prefixes per ASN: 9.80 RIPE Region origin ASes announcing only one prefix: 12115 RIPE Region transit ASes present in the Internet Routing Table: 4066 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13034 Number of RIPE addresses announced to Internet: 733812224 Equivalent to 43 /8s, 189 /16s and 22 /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: 126447 Total LACNIC prefixes after maximum aggregation: 30233 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 122210 Unique aggregates announced from the LACNIC address blocks: 49599 LACNIC Region origin ASes present in the Internet Routing Table: 11350 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2581 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: 170867712 Equivalent to 10 /8s, 47 /16s and 60 /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: 36520 Total AfriNIC prefixes after maximum aggregation: 6958 AfriNIC Deaggregation factor: 5.25 Prefixes being announced from the AfriNIC address blocks: 53204 Unique aggregates announced from the AfriNIC address blocks: 19468 AfriNIC Region origin ASes present in the Internet Routing Table: 2020 AfriNIC Prefixes per ASN: 26.34 AfriNIC Region origin ASes announcing only one prefix: 740 AfriNIC Region transit ASes present in the Internet Routing Table: 390 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: 103354624 Equivalent to 6 /8s, 41 /16s and 17 /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 13732 8729 120 CHINAMOBILE-CN China Mobile Communication 7545 6006 832 555 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4765 545 330 BBIL-AP BHARTI Airtel Ltd., IN 18403 4521 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4070 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3697 1044 68 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3465 886 176 CMNET-JIANGSU-AP China Mobile communicati 45899 3323 1868 96 VNPT-AS-VN VNPT Corp, VN 17561 3038 191 588 LCS-AS-AP LARUS Limited, HK 24560 2969 865 496 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 14142 38820 5512 AMAZON-02 - Amazon.com, Inc., US 22773 4784 3114 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4636 308 1022 CABLEONE - CABLE ONE, INC., US 7155 3861 286 85 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3698 1321 71 SHAW - Shaw Communications, CA 174 3691 8767 862 COGENT-174 - Cogent Communications, LLC, 396982 3320 4856 493 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3142 54728 2393 DNIC-AS-00749 - United States Department 16625 2929 1270 2176 AKAMAI-AS - Akamai Technologies, Inc., US 36352 2690 221 896 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 7246 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 20940 3938 3393 114 AKAMAI-ASN1, NL 9009 3855 362 2230 M247, RO 12389 3146 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2595 186 1894 CDNEXT, GB 34984 2449 365 575 TELLCOM-AS, TR 8452 1730 1852 16 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 203020 1590 242 768 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 12712 3296 598 UNINET, MX 10620 3449 457 1104 Telmex Colombia S.A., CO 13999 2463 506 350 Mega Cable, S.A. de C.V., MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 11664 1413 278 33 Techtel LMDS Comunicaciones Interactivas 28573 1374 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 1054 67 357 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1020 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 1983 646 33 RAYA-AS, EG 36992 1844 1532 338 ETISALAT-MISR, EG 24863 1283 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 36935 1194 524 47 Vodafone-, EG 37069 1115 1100 11 MOBINIL, EG 29571 1071 78 20 ORANGE-COTE-IVOIRE, CI 20011 580 154 212 NTT-DATA-Inc, ZA 328608 578 52 164 Africa-on-Cloud-AS, ZA 36914 564 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 14142 38820 5512 AMAZON-02 - Amazon.com, Inc., US 9808 13732 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 12712 3296 598 UNINET, MX 12479 7246 1711 149 UNI2-AS, ES 7545 6006 832 555 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4784 3114 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 9498 4765 545 330 BBIL-AP BHARTI Airtel Ltd., IN 11492 4636 308 1022 CABLEONE - CABLE ONE, INC., US 18403 4521 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 13732 13612 CHINAMOBILE-CN China Mobile Communications Grou 8151 12712 12114 UNINET, MX 12479 7246 7097 UNI2-AS, ES 7545 6006 5451 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 18403 4521 4497 FPT-AS-AP FPT Telecom Company, VN 9498 4765 4435 BBIL-AP BHARTI Airtel Ltd., IN 22773 4784 4420 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4070 4041 VIETEL-AS-AP Viettel Group, VN 20940 3938 3824 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 /11:92 /12:302 /13:582 /14:1201 /15:2093 /16:13663 /17:8259 /18:13560 /19:24891 /20:45282 /21:52287 /22:113463 /23:106864 /24:649896 /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 6874 12712 UNINET, MX 12479 6174 7246 UNI2-AS, ES 39891 3655 4969 ALJAWWALSTC-AS, SA 11492 3497 4636 CABLEONE - CABLE ONE, INC., US 6327 3479 3698 SHAW - Shaw Communications, CA 22773 3055 4784 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2519 14142 AMAZON-02 - Amazon.com, Inc., US 30036 2313 2657 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2229 3449 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) ---------------------------------------------- 1:2506 2:1564 3:987 4:9 5:5128 6:187 7:6 8:1508 9:26 11:172 12:1223 13:622 14:2648 15:423 16:174 17:398 18:916 20:598 21:4 22:188 23:8222 24:2617 25:2 27:2838 29:19 31:3429 32:31 34:81 35:290 36:4635 37:4502 38:10402 39:1267 40:438 41:4533 42:2026 43:2964 44:421 45:19741 46:4926 47:404 48:38 49:2205 50:2075 51:598 52:1271 54:240 55:1113 56:11 57:316 58:2333 59:1348 60:1173 61:3110 62:3101 63:1772 64:6219 65:2123 66:6025 67:3259 68:1486 69:4214 70:1039 71:624 72:3072 74:2972 75:1505 76:585 77:2805 78:1915 79:1802 80:2328 81:2204 82:4038 83:1464 84:2047 85:3810 86:1108 87:2260 88:1343 89:4689 90:816 91:8429 92:2845 93:3016 94:4310 95:4576 96:1452 97:313 98:948 99:784 100:70 101:1349 102:4420 103:32351 104:5536 105:790 106:923 107:2844 108:1221 109:4224 110:2301 111:4101 112:3146 113:1979 114:2176 115:2297 116:2165 117:3478 118:3025 119:2069 120:2678 121:1520 122:2963 123:2341 124:1625 125:2960 126:125 128:1690 129:936 130:1602 131:2380 132:781 133:461 134:1631 135:559 136:1633 137:1541 138:3018 139:1629 140:1792 141:1567 142:2484 143:2168 144:1682 145:628 146:2203 147:2213 148:2792 149:3011 150:1319 151:2698 152:2284 153:961 154:9644 155:2297 156:4587 157:2258 158:1498 159:2767 160:3753 161:1982 162:4044 163:2344 164:2024 165:2604 166:1284 167:2239 168:3978 169:897 170:5489 171:1115 172:4587 173:3450 174:892 175:1354 176:3801 177:4755 178:4378 179:2284 180:3067 181:4393 182:3950 183:2845 184:1996 185:21767 186:5597 187:4865 188:4545 189:4503 190:9739 191:1541 192:11468 193:9520 194:7830 195:5672 196:3266 197:3229 198:6249 199:6114 200:8196 201:6392 202:10636 203:10646 204:4744 205:3782 206:4479 207:3981 208:4385 209:5476 210:4804 211:2690 212:4972 213:4080 214:1079 215:54 216:7168 217:3489 218:1678 219:420 220:2193 221:1319 222:932 223:3296 End of report