IPv4 R&E Routing Table Report 21:10 GMT Mon 16 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: 1032741 Prefixes after maximum aggregation (per Origin AS): 396891 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 509452 Number of IPv4 prefixes with a valid ROA: 619198 Number of IPv4 prefixes with an invalid ROA: 107 Number of IPv4 prefixes with no ROA: 413436 Total ASes present in the Internet Routing Table: 77956 Prefixes per ASN: 13.25 Origin-only ASes present in the Internet Routing Table: 66694 Origin ASes announcing only one prefix: 27268 Transit ASes present in the Internet Routing Table: 11262 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: 1068 Number of instances of unregistered ASNs: 1100 Number of 32-bit ASNs allocated by the RIRs: 48744 Number of 32-bit ASNs visible in the Routing Table: 39876 Prefixes from 32-bit ASNs in the Routing Table: 222668 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: 3112141568 Equivalent to 185 /8s, 127 /16s and 131 /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: 335877 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 281046 Total APNIC prefixes after maximum aggregation: 82074 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 267563 Unique aggregates announced from the APNIC address blocks: 107264 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: 4618 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: 10612 Number of APNIC addresses announced to Internet: 751992064 Equivalent to 44 /8s, 210 /16s and 125 /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: 303593 Total ARIN prefixes after maximum aggregation: 136363 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 302962 Unique aggregates announced from the ARIN address blocks: 146672 ARIN Region origin ASes present in the Internet Routing Table: 19387 ARIN Prefixes per ASN: 15.63 ARIN Region origin ASes announcing only one prefix: 7082 ARIN Region transit ASes present in the Internet Routing Table: 1987 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: 5471 Number of ARIN addresses announced to Internet: 1351881472 Equivalent to 80 /8s, 148 /16s and 19 /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: 284170 Total RIPE prefixes after maximum aggregation: 140594 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 286436 Unique aggregates announced from the RIPE address blocks: 186100 RIPE Region origin ASes present in the Internet Routing Table: 29248 RIPE Prefixes per ASN: 9.79 RIPE Region origin ASes announcing only one prefix: 12143 RIPE Region transit ASes present in the Internet Routing Table: 4071 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: 733863168 Equivalent to 43 /8s, 189 /16s and 221 /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: 126163 Total LACNIC prefixes after maximum aggregation: 30227 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 121935 Unique aggregates announced from the LACNIC address blocks: 49471 LACNIC Region origin ASes present in the Internet Routing Table: 11348 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2682 LACNIC Region transit ASes present in the Internet Routing Table: 2587 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: 9358 Number of LACNIC addresses announced to Internet: 170828288 Equivalent to 10 /8s, 46 /16s and 162 /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: 36701 Total AfriNIC prefixes after maximum aggregation: 6942 AfriNIC Deaggregation factor: 5.29 Prefixes being announced from the AfriNIC address blocks: 53405 Unique aggregates announced from the AfriNIC address blocks: 19563 AfriNIC Region origin ASes present in the Internet Routing Table: 2018 AfriNIC Prefixes per ASN: 26.46 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: 1380 Number of AfriNIC addresses announced to Internet: 103375616 Equivalent to 6 /8s, 41 /16s and 99 /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 6006 832 555 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4772 545 329 BBIL-AP BHARTI Airtel Ltd., IN 18403 4516 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 3078 193 585 LCS-AS-AP LARUS Limited, HK 24560 2973 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 14202 41124 5509 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 3681 8766 853 COGENT-174 - Cogent Communications, LLC, 396982 3322 4856 492 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3142 54728 2393 DNIC-AS-00749 - United States Department 16625 2928 1270 2175 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 7245 1711 149 UNI2-AS, ES 39891 4836 298 76 ALJAWWALSTC-AS, SA 20940 3936 3393 114 AKAMAI-ASN1, NL 9009 3823 359 2206 M247, RO 12389 3143 2317 870 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2604 188 1900 CDNEXT, GB 34984 2449 365 578 TELLCOM-AS, TR 8452 1712 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 12684 3291 604 UNINET, MX 10620 3448 457 1103 Telmex Colombia S.A., CO 13999 2461 506 349 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 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 1283 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 1071 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 14202 41124 5509 AMAZON-02 - Amazon.com, Inc., US 9808 13726 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 12684 3291 604 UNINET, MX 12479 7245 1711 149 UNI2-AS, ES 7545 6006 832 555 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4836 298 76 ALJAWWALSTC-AS, SA 22773 4783 3114 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 9498 4772 545 329 BBIL-AP BHARTI Airtel Ltd., IN 11492 4636 308 1022 CABLEONE - CABLE ONE, INC., US 18403 4516 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 12684 12080 UNINET, MX 12479 7245 7096 UNI2-AS, ES 7545 6006 5451 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4836 4760 ALJAWWALSTC-AS, SA 18403 4516 4492 FPT-AS-AP FPT Telecom Company, VN 9498 4772 4443 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 3936 3822 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 /16:13671 /17:8270 /18:13558 /19:24908 /20:45285 /21:52297 /22:113502 /23:106966 /24:649933 /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 6854 12684 UNINET, MX 12479 6172 7245 UNI2-AS, ES 39891 3526 4836 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 2523 14202 AMAZON-02 - Amazon.com, Inc., US 30036 2313 2658 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 2:1560 3:982 4:9 5:5134 6:187 7:6 8:1505 9:26 11:172 12:1224 13:638 14:2657 15:425 16:168 17:399 18:913 20:598 21:4 22:188 23:8216 24:2619 25:2 27:2837 29:19 31:3430 32:31 34:81 35:290 36:4641 37:4478 38:10430 39:1268 40:441 41:4535 42:2005 43:2969 44:423 45:19776 46:4929 47:404 48:38 49:2204 50:2074 51:598 52:1277 54:243 55:1112 56:11 57:316 58:2333 59:1348 60:1174 61:3124 62:3116 63:1772 64:6236 65:2121 66:6037 67:3259 68:1491 69:4215 70:1038 71:624 72:3090 74:2968 75:1506 76:582 77:2797 78:1915 79:1797 80:2321 81:2228 82:4022 83:1461 84:2050 85:3824 86:1109 87:2260 88:1344 89:4689 90:815 91:8443 92:2847 93:2897 94:4313 95:4575 96:1452 97:313 98:948 99:788 100:69 101:1334 102:4433 103:32394 104:5524 105:791 106:923 107:2858 108:1226 109:4226 110:2299 111:4101 112:3147 113:1979 114:2176 115:2294 116:2170 117:3468 118:3029 119:2068 120:2680 121:1520 122:2966 123:2347 124:1626 125:2964 126:125 128:1693 129:929 130:1599 131:2382 132:778 133:461 134:1641 135:558 136:1619 137:1541 138:3095 139:1629 140:1792 141:1578 142:2490 143:2164 144:1692 145:628 146:2202 147:2215 148:2790 149:3014 150:1319 151:2689 152:2305 153:965 154:9655 155:2287 156:4598 157:2261 158:1498 159:2767 160:3747 161:1979 162:4033 163:2347 164:2017 165:2616 166:1287 167:2244 168:3974 169:891 170:5491 171:1116 172:4577 173:3460 174:892 175:1356 176:3802 177:4715 178:4353 179:2284 180:3007 181:4398 182:3956 183:2844 184:2000 185:21777 186:5623 187:4857 188:4554 189:4461 190:9732 191:1538 192:11471 193:9531 194:7831 195:5690 196:3277 197:3224 198:6249 199:6120 200:8189 201:6319 202:10647 203:10648 204:4741 205:3790 206:4484 207:3958 208:4381 209:5465 210:4804 211:2690 212:4963 213:4090 214:1074 215:54 216:7181 217:3490 218:1678 219:419 220:2191 221:1318 222:930 223:3295 End of report