IPv4 R&E Routing Table Report 21:10 GMT Tue 17 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: 1033408 Prefixes after maximum aggregation (per Origin AS): 397137 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 509753 Number of IPv4 prefixes with a valid ROA: 620001 Number of IPv4 prefixes with an invalid ROA: 108 Number of IPv4 prefixes with no ROA: 413297 Total ASes present in the Internet Routing Table: 77963 Prefixes per ASN: 13.26 Origin-only ASes present in the Internet Routing Table: 66695 Origin ASes announcing only one prefix: 27263 Transit ASes present in the Internet Routing Table: 11268 Transit-only ASes present in the Internet Routing Table: 579 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: 1069 Number of instances of unregistered ASNs: 1101 Number of 32-bit ASNs allocated by the RIRs: 48748 Number of 32-bit ASNs visible in the Routing Table: 39885 Prefixes from 32-bit ASNs in the Routing Table: 222757 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: 439 Number of addresses announced to Internet: 3112290816 Equivalent to 185 /8s, 129 /16s and 202 /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: 336293 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 281097 Total APNIC prefixes after maximum aggregation: 82117 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 267565 Unique aggregates announced from the APNIC address blocks: 107269 APNIC Region origin ASes present in the Internet Routing Table: 15049 APNIC Prefixes per ASN: 17.78 APNIC Region origin ASes announcing only one prefix: 4616 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: 41 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10612 Number of APNIC addresses announced to Internet: 752043264 Equivalent to 44 /8s, 211 /16s and 69 /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: 303772 Total ARIN prefixes after maximum aggregation: 136529 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 303115 Unique aggregates announced from the ARIN address blocks: 146848 ARIN Region origin ASes present in the Internet Routing Table: 19393 ARIN Prefixes per ASN: 15.63 ARIN Region origin ASes announcing only one prefix: 7084 ARIN Region transit ASes present in the Internet Routing Table: 1994 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: 5475 Number of ARIN addresses announced to Internet: 1351971584 Equivalent to 80 /8s, 149 /16s and 115 /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: 284391 Total RIPE prefixes after maximum aggregation: 140612 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 286687 Unique aggregates announced from the RIPE address blocks: 186131 RIPE Region origin ASes present in the Internet Routing Table: 29243 RIPE Prefixes per ASN: 9.80 RIPE Region origin ASes announcing only one prefix: 12136 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: 13055 Number of RIPE addresses announced to Internet: 733829120 Equivalent to 43 /8s, 189 /16s and 88 /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: 126369 Total LACNIC prefixes after maximum aggregation: 30251 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 122141 Unique aggregates announced from the LACNIC address blocks: 49567 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: 2684 LACNIC Region transit ASes present in the Internet Routing Table: 2585 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: 9361 Number of LACNIC addresses announced to Internet: 170859264 Equivalent to 10 /8s, 47 /16s and 27 /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: 36710 Total AfriNIC prefixes after maximum aggregation: 6937 AfriNIC Deaggregation factor: 5.29 Prefixes being announced from the AfriNIC address blocks: 53460 Unique aggregates announced from the AfriNIC address blocks: 19556 AfriNIC Region origin ASes present in the Internet Routing Table: 2020 AfriNIC Prefixes per ASN: 26.47 AfriNIC Region origin ASes announcing only one prefix: 743 AfriNIC Region transit ASes present in the Internet Routing Table: 391 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: 1382 Number of AfriNIC addresses announced to Internet: 103386624 Equivalent to 6 /8s, 41 /16s and 142 /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 13726 8729 120 CHINAMOBILE-CN China Mobile Communication 7545 6003 832 553 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4776 546 329 BBIL-AP BHARTI Airtel Ltd., IN 18403 4502 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4070 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3695 1044 68 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3465 886 176 CMNET-JIANGSU-AP China Mobile communicati 45899 3320 1868 97 VNPT-AS-VN VNPT Corp, VN 17561 3136 197 614 LCS-AS-AP LARUS Limited, HK 24560 2970 864 506 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 14315 41157 5596 AMAZON-02 - Amazon.com, Inc., US 22773 4783 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 3675 8766 852 COGENT-174 - Cogent Communications, LLC, 396982 3320 4856 492 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3143 54728 2394 DNIC-AS-00749 - United States Department 16625 2914 1264 2172 AKAMAI-AS - Akamai Technologies, Inc., US 36352 2692 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 7231 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 20940 3935 3393 114 AKAMAI-ASN1, NL 9009 3845 360 2217 M247, RO 12389 3144 2317 870 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2604 188 1900 CDNEXT, GB 34984 2448 365 579 TELLCOM-AS, TR 8452 1686 1852 16 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 203020 1598 242 776 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 12686 3291 601 UNINET, MX 10620 3448 457 1103 Telmex Colombia S.A., CO 13999 2463 506 349 Mega Cable, S.A. de C.V., MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 11664 1414 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 1254 371 22 INTEGRATEL PERU S.A.A., PE 22884 1055 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 1984 648 34 RAYA-AS, EG 36992 1845 1532 339 ETISALAT-MISR, EG 24863 1285 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 578 52 163 Africa-on-Cloud-AS, ZA 36914 555 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 14315 41157 5596 AMAZON-02 - Amazon.com, Inc., US 9808 13726 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 12686 3291 601 UNINET, MX 12479 7231 1711 149 UNI2-AS, ES 7545 6003 832 553 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4783 3114 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 9498 4776 546 329 BBIL-AP BHARTI Airtel Ltd., IN 11492 4636 308 1022 CABLEONE - CABLE ONE, INC., US 18403 4502 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 13726 13606 CHINAMOBILE-CN China Mobile Communications Grou 8151 12686 12085 UNINET, MX 12479 7231 7082 UNI2-AS, ES 7545 6003 5450 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 18403 4502 4478 FPT-AS-AP FPT Telecom Company, VN 9498 4776 4447 BBIL-AP BHARTI Airtel Ltd., IN 22773 4783 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 /12:303 /13:584 /14:1203 /15:2095 /16:13670 /17:8270 /18:13558 /19:24927 /20:45337 /21:52329 /22:113585 /23:106978 /24:650403 /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 6855 12686 UNINET, MX 12479 6158 7231 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 3054 4783 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2590 14315 AMAZON-02 - Amazon.com, Inc., US 30036 2315 2661 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) ---------------------------------------------- 1:2508 2:1569 3:984 4:9 5:5142 6:187 7:6 8:1511 9:26 11:172 12:1225 13:641 14:2658 15:425 16:174 17:399 18:916 20:598 21:4 22:188 23:8221 24:2619 25:2 27:2838 29:19 31:3434 32:31 34:81 35:290 36:4641 37:4481 38:10438 39:1267 40:441 41:4539 42:1999 43:2969 44:425 45:19824 46:4937 47:404 48:38 49:2204 50:2076 51:598 52:1280 54:240 55:1098 56:11 57:316 58:2336 59:1348 60:1174 61:3123 62:3122 63:1772 64:6232 65:2121 66:6036 67:3259 68:1489 69:4217 70:1038 71:624 72:3093 74:2973 75:1506 76:582 77:2817 78:1916 79:1796 80:2320 81:2228 82:4024 83:1462 84:2049 85:3825 86:1109 87:2258 88:1345 89:4692 90:809 91:8438 92:2850 93:3022 94:4316 95:4580 96:1450 97:313 98:948 99:790 100:69 101:1336 102:4438 103:32400 104:5523 105:790 106:923 107:2857 108:1226 109:4233 110:2301 111:4100 112:3147 113:1975 114:2176 115:2296 116:2170 117:3468 118:3025 119:2064 120:2681 121:1522 122:2966 123:2346 124:1626 125:2965 126:125 128:1695 129:944 130:1604 131:2384 132:781 133:461 134:1642 135:561 136:1621 137:1542 138:3107 139:1629 140:1789 141:1578 142:2490 143:2173 144:1693 145:628 146:2204 147:2214 148:2789 149:3012 150:1319 151:2678 152:2289 153:987 154:9624 155:2283 156:4604 157:2260 158:1501 159:2768 160:3745 161:1979 162:4032 163:2350 164:2016 165:2618 166:1287 167:2241 168:3978 169:896 170:5492 171:1116 172:4578 173:3461 174:892 175:1356 176:3806 177:4718 178:4351 179:2287 180:3007 181:4405 182:3959 183:2844 184:2002 185:21782 186:5626 187:4862 188:4553 189:4465 190:9716 191:1533 192:11469 193:9528 194:7838 195:5692 196:3279 197:3226 198:6260 199:6122 200:8198 201:6402 202:10649 203:10644 204:4743 205:3791 206:4486 207:3992 208:4382 209:5462 210:4805 211:2690 212:4959 213:4091 214:1070 215:54 216:7186 217:3491 218:1678 219:419 220:2191 221:1318 222:930 223:3298 End of report