IPv4 R&E Routing Table Report 21:10 GMT Tue 10 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: 1031542 Prefixes after maximum aggregation (per Origin AS): 396349 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 508696 Number of IPv4 prefixes with a valid ROA: 618167 Number of IPv4 prefixes with an invalid ROA: 108 Number of IPv4 prefixes with no ROA: 413267 Total ASes present in the Internet Routing Table: 77892 Prefixes per ASN: 13.24 Origin-only ASes present in the Internet Routing Table: 66664 Origin ASes announcing only one prefix: 27206 Transit ASes present in the Internet Routing Table: 11228 Transit-only ASes present in the Internet Routing Table: 577 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 1035 Number of instances of unregistered ASNs: 1066 Number of 32-bit ASNs allocated by the RIRs: 48679 Number of 32-bit ASNs visible in the Routing Table: 39812 Prefixes from 32-bit ASNs in the Routing Table: 221954 Number of bogon 32-bit ASNs visible in the Routing Table: 78 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 422 Number of addresses announced to Internet: 3102312448 Equivalent to 184 /8s, 233 /16s and 136 /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: 335684 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 280436 Total APNIC prefixes after maximum aggregation: 81957 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 267261 Unique aggregates announced from the APNIC address blocks: 107390 APNIC Region origin ASes present in the Internet Routing Table: 15029 APNIC Prefixes per ASN: 17.78 APNIC Region origin ASes announcing only one prefix: 4599 APNIC Region transit ASes present in the Internet Routing Table: 2010 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10591 Number of APNIC addresses announced to Internet: 751860224 Equivalent to 44 /8s, 208 /16s and 122 /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: 303276 Total ARIN prefixes after maximum aggregation: 136264 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 302590 Unique aggregates announced from the ARIN address blocks: 146496 ARIN Region origin ASes present in the Internet Routing Table: 19397 ARIN Prefixes per ASN: 15.60 ARIN Region origin ASes announcing only one prefix: 7076 ARIN Region transit ASes present in the Internet Routing Table: 1980 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: 5461 Number of ARIN addresses announced to Internet: 1342220544 Equivalent to 80 /8s, 0 /16s and 169 /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: 283849 Total RIPE prefixes after maximum aggregation: 140294 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 286170 Unique aggregates announced from the RIPE address blocks: 185595 RIPE Region origin ASes present in the Internet Routing Table: 29201 RIPE Prefixes per ASN: 9.80 RIPE Region origin ASes announcing only one prefix: 12108 RIPE Region transit ASes present in the Internet Routing Table: 4067 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13016 Number of RIPE addresses announced to Internet: 733878016 Equivalent to 43 /8s, 190 /16s and 23 /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: 126378 Total LACNIC prefixes after maximum aggregation: 30248 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 122170 Unique aggregates announced from the LACNIC address blocks: 49579 LACNIC Region origin ASes present in the Internet Routing Table: 11358 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2686 LACNIC Region transit ASes present in the Internet Routing Table: 2584 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: 9368 Number of LACNIC addresses announced to Internet: 170852608 Equivalent to 10 /8s, 47 /16s and 1 /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: 36568 Total AfriNIC prefixes after maximum aggregation: 6917 AfriNIC Deaggregation factor: 5.29 Prefixes being announced from the AfriNIC address blocks: 52928 Unique aggregates announced from the AfriNIC address blocks: 19271 AfriNIC Region origin ASes present in the Internet Routing Table: 2015 AfriNIC Prefixes per ASN: 26.27 AfriNIC Region origin ASes announcing only one prefix: 737 AfriNIC Region transit ASes present in the Internet Routing Table: 389 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: 1376 Number of AfriNIC addresses announced to Internet: 103305472 Equivalent to 6 /8s, 40 /16s and 81 /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 13687 8729 120 CHINAMOBILE-CN China Mobile Communication 7545 6003 832 555 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4755 545 336 BBIL-AP BHARTI Airtel Ltd., IN 18403 4517 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4038 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3693 1044 68 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3423 831 182 CMNET-JIANGSU-AP China Mobile communicati 45899 3323 1868 96 VNPT-AS-VN VNPT Corp, VN 24560 2969 865 496 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 17561 2732 171 531 LCS-AS-AP LARUS Limited, HK 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 14119 38820 5520 AMAZON-02 - Amazon.com, Inc., US 22773 4779 3114 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4636 308 1023 CABLEONE - CABLE ONE, INC., US 7155 3861 286 85 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3698 1321 71 SHAW - Shaw Communications, CA 174 3680 8767 859 COGENT-174 - Cogent Communications, LLC, 396982 3316 4856 491 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3142 54728 2393 DNIC-AS-00749 - United States Department 16625 2905 1262 2169 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 7245 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 20940 3915 3393 111 AKAMAI-ASN1, NL 9009 3889 364 2222 M247, RO 12389 3146 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2584 185 1883 CDNEXT, GB 34984 2448 365 576 TELLCOM-AS, TR 8452 1727 1852 16 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 203020 1592 241 770 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 12705 3288 601 UNINET, MX 10620 3445 457 1107 Telmex Colombia S.A., CO 13999 2477 506 350 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 1255 371 22 INTEGRATEL PERU S.A.A., PE 22884 1054 67 357 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 1983 646 33 RAYA-AS, EG 36992 1844 1532 338 ETISALAT-MISR, EG 24863 1282 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 328608 607 53 163 Africa-on-Cloud-AS, ZA 20011 580 154 212 NTT-DATA-Inc, ZA 36914 563 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 14119 38820 5520 AMAZON-02 - Amazon.com, Inc., US 9808 13687 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 12705 3288 601 UNINET, MX 12479 7245 1711 149 UNI2-AS, ES 7545 6003 832 555 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4779 3114 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 9498 4755 545 336 BBIL-AP BHARTI Airtel Ltd., IN 11492 4636 308 1023 CABLEONE - CABLE ONE, INC., US 18403 4517 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 13687 13567 CHINAMOBILE-CN China Mobile Communications Grou 8151 12705 12104 UNINET, MX 12479 7245 7096 UNI2-AS, ES 7545 6003 5448 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 18403 4517 4493 FPT-AS-AP FPT Telecom Company, VN 9498 4755 4419 BBIL-AP BHARTI Airtel Ltd., IN 22773 4779 4416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4038 4009 VIETEL-AS-AP Viettel Group, VN 20940 3915 3804 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 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 395476 UNALLOCATED 12.36.195.0/24 3356 LEVEL3 - Level 3 Parent 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 /15:2092 /16:13663 /17:8261 /18:13552 /19:24909 /20:45269 /21:52242 /22:113455 /23:106596 /24:649255 /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 6872 12705 UNINET, MX 12479 6172 7245 UNI2-AS, ES 39891 3655 4969 ALJAWWALSTC-AS, SA 11492 3496 4636 CABLEONE - CABLE ONE, INC., US 6327 3479 3698 SHAW - Shaw Communications, CA 22773 3052 4779 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2512 14119 AMAZON-02 - Amazon.com, Inc., US 30036 2311 2655 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2225 3445 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 2:1560 3:986 4:9 5:5122 6:187 7:6 8:1511 9:22 11:172 12:1229 13:620 14:2648 15:420 16:174 17:397 18:917 20:598 21:4 22:188 23:8182 24:2621 25:2 27:2836 29:19 31:3420 32:31 34:81 35:289 36:4631 37:4509 38:10408 39:1266 40:440 41:4528 42:2013 43:2959 44:422 45:19703 46:4914 47:406 48:38 49:2199 50:2070 51:598 52:1259 54:242 55:1118 56:11 57:316 58:2329 59:1348 60:1173 61:3108 62:3100 63:1770 64:6233 65:2097 66:6030 67:3253 68:1486 69:4213 70:1043 71:624 72:3075 74:2984 75:1506 76:584 77:2792 78:1917 79:1798 80:2326 81:2196 82:4027 83:1463 84:2044 85:3809 86:1107 87:2259 88:1345 89:4677 90:816 91:8415 92:2843 93:3015 94:4310 95:4567 96:1448 97:312 98:949 99:784 100:70 101:1437 102:4416 103:32356 104:5522 105:789 106:923 107:2847 108:1218 109:4210 110:2298 111:4094 112:3145 113:1977 114:2169 115:2252 116:2176 117:3451 118:3025 119:2068 120:2677 121:1519 122:2961 123:2340 124:1623 125:2964 126:125 128:1690 129:945 130:1600 131:2379 132:776 133:461 134:1628 135:560 136:1630 137:1536 138:3021 139:1631 140:1788 141:1571 142:2481 143:2187 144:1672 145:628 146:2203 147:2209 148:2787 149:2996 150:1315 151:2699 152:2284 153:961 154:9439 155:2298 156:4535 157:2258 158:1503 159:2766 160:3747 161:1982 162:4058 163:2349 164:2024 165:2598 166:1287 167:2235 168:3963 169:923 170:5501 171:1113 172:4578 173:3434 174:891 175:1352 176:3792 177:4764 178:4381 179:2288 180:3065 181:4385 182:3940 183:2842 184:1995 185:21767 186:5584 187:4890 188:4539 189:4506 190:9740 191:1546 192:11474 193:9517 194:7827 195:5659 196:3255 197:3228 198:6241 199:6108 200:8181 201:6397 202:10643 203:10654 204:4748 205:3762 206:4474 207:3982 208:4383 209:5477 210:4803 211:2689 212:4971 213:4065 214:1074 215:54 216:7150 217:3488 218:1670 219:419 220:2189 221:1317 222:932 223:3294 End of report