IPv4 R&E Routing Table Report 21:10 GMT Fri 13 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: 1032624 Prefixes after maximum aggregation (per Origin AS): 396808 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 509297 Number of IPv4 prefixes with a valid ROA: 619454 Number of IPv4 prefixes with an invalid ROA: 108 Number of IPv4 prefixes with no ROA: 413062 Total ASes present in the Internet Routing Table: 77933 Prefixes per ASN: 13.25 Origin-only ASes present in the Internet Routing Table: 66675 Origin ASes announcing only one prefix: 27240 Transit ASes present in the Internet Routing Table: 11258 Transit-only ASes present in the Internet Routing Table: 577 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: 1064 Number of instances of unregistered ASNs: 1096 Number of 32-bit ASNs allocated by the RIRs: 48710 Number of 32-bit ASNs visible in the Routing Table: 39849 Prefixes from 32-bit ASNs in the Routing Table: 222608 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: 438 Number of addresses announced to Internet: 3103187200 Equivalent to 184 /8s, 246 /16s and 225 /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: 335921 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 280976 Total APNIC prefixes after maximum aggregation: 82081 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 267476 Unique aggregates announced from the APNIC address blocks: 107299 APNIC Region origin ASes present in the Internet Routing Table: 15029 APNIC Prefixes per ASN: 17.80 APNIC Region origin ASes announcing only one prefix: 4604 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: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10591 Number of APNIC addresses announced to Internet: 752024832 Equivalent to 44 /8s, 210 /16s and 253 /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: 303543 Total ARIN prefixes after maximum aggregation: 136384 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 302881 Unique aggregates announced from the ARIN address blocks: 146595 ARIN Region origin ASes present in the Internet Routing Table: 19393 ARIN Prefixes per ASN: 15.62 ARIN Region origin ASes announcing only one prefix: 7084 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: 5471 Number of ARIN addresses announced to Internet: 1342831360 Equivalent to 80 /8s, 9 /16s and 251 /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: 284125 Total RIPE prefixes after maximum aggregation: 140460 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 286508 Unique aggregates announced from the RIPE address blocks: 185902 RIPE Region origin ASes present in the Internet Routing Table: 29232 RIPE Prefixes per ASN: 9.80 RIPE Region origin ASes announcing only one prefix: 12130 RIPE Region transit ASes present in the Internet Routing Table: 4064 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: 13045 Number of RIPE addresses announced to Internet: 733956608 Equivalent to 43 /8s, 191 /16s and 74 /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: 126373 Total LACNIC prefixes after maximum aggregation: 30248 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 122143 Unique aggregates announced from the LACNIC address blocks: 49604 LACNIC Region origin ASes present in the Internet Routing Table: 11357 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2681 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: 9364 Number of LACNIC addresses announced to Internet: 170802176 Equivalent to 10 /8s, 46 /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: 36543 Total AfriNIC prefixes after maximum aggregation: 6941 AfriNIC Deaggregation factor: 5.26 Prefixes being announced from the AfriNIC address blocks: 53177 Unique aggregates announced from the AfriNIC address blocks: 19516 AfriNIC Region origin ASes present in the Internet Routing Table: 2017 AfriNIC Prefixes per ASN: 26.36 AfriNIC Region origin ASes announcing only one prefix: 741 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: 62 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1378 Number of AfriNIC addresses announced to Internet: 103373056 Equivalent to 6 /8s, 41 /16s and 89 /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 4771 545 328 BBIL-AP BHARTI Airtel Ltd., IN 18403 4513 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 3324 1868 97 VNPT-AS-VN VNPT Corp, VN 17561 3046 191 589 LCS-AS-AP LARUS Limited, HK 24560 2970 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 14175 38851 5503 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 3688 8767 858 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 7246 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 20940 3935 3393 114 AKAMAI-ASN1, NL 9009 3857 362 2232 M247, RO 12389 3146 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2604 188 1900 CDNEXT, GB 34984 2450 365 575 TELLCOM-AS, TR 8452 1699 1852 16 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 203020 1594 242 772 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 12681 3292 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 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 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 14175 38851 5503 AMAZON-02 - Amazon.com, Inc., US 9808 13726 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 12681 3292 604 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 4783 3114 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 9498 4771 545 328 BBIL-AP BHARTI Airtel Ltd., IN 11492 4636 308 1022 CABLEONE - CABLE ONE, INC., US 18403 4513 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 12681 12077 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 4513 4489 FPT-AS-AP FPT Telecom Company, VN 9498 4771 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 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 /11:92 /12:302 /13:582 /14:1202 /15:2093 /16:13664 /17:8269 /18:13572 /19:24917 /20:45302 /21:52303 /22:113481 /23:106854 /24:649920 /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 6851 12681 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 3054 4783 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2520 14175 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 2:1562 3:983 4:9 5:5130 6:187 7:6 8:1508 9:26 11:172 12:1228 13:638 14:2649 15:425 16:174 17:398 18:913 20:598 21:4 22:188 23:8221 24:2617 25:2 27:2838 29:19 31:3434 32:31 34:81 35:290 36:4635 37:4500 38:10409 39:1267 40:435 41:4509 42:2009 43:2968 44:421 45:19739 46:4932 47:404 48:38 49:2205 50:2071 51:598 52:1278 54:243 55:1114 56:11 57:316 58:2333 59:1348 60:1173 61:3134 62:3100 63:1772 64:6224 65:2121 66:6035 67:3259 68:1486 69:4213 70:1038 71:624 72:3065 74:2973 75:1505 76:585 77:2819 78:1915 79:1799 80:2324 81:2208 82:4030 83:1464 84:2047 85:3813 86:1108 87:2260 88:1343 89:4689 90:816 91:8438 92:2850 93:3018 94:4315 95:4579 96:1454 97:313 98:947 99:787 100:70 101:1342 102:4370 103:32375 104:5536 105:790 106:923 107:2844 108:1224 109:4219 110:2298 111:4100 112:3147 113:1977 114:2174 115:2294 116:2169 117:3464 118:2967 119:2069 120:2680 121:1518 122:2964 123:2346 124:1627 125:2964 126:125 128:1690 129:942 130:1602 131:2380 132:782 133:461 134:1628 135:559 136:1632 137:1539 138:3025 139:1627 140:1792 141:1570 142:2481 143:2158 144:1684 145:629 146:2203 147:2212 148:2792 149:3012 150:1320 151:2698 152:2283 153:962 154:9648 155:2292 156:4596 157:2265 158:1499 159:2767 160:3747 161:1979 162:4047 163:2345 164:2015 165:2604 166:1286 167:2244 168:3975 169:899 170:5488 171:1115 172:4588 173:3458 174:893 175:1357 176:3798 177:4703 178:4379 179:2285 180:3063 181:4403 182:3954 183:2845 184:1996 185:21792 186:5620 187:4868 188:4543 189:4465 190:9748 191:1537 192:11466 193:9519 194:7831 195:5684 196:3270 197:3232 198:6252 199:6117 200:8211 201:6404 202:10640 203:10639 204:4746 205:3787 206:4480 207:3990 208:4380 209:5464 210:4805 211:2690 212:4976 213:4077 214:1080 215:54 216:7181 217:3497 218:1678 219:419 220:2194 221:1318 222:932 223:3297 End of report