IPv4 R&E Routing Table Report 21:10 GMT Sat 14 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: 1032707 Prefixes after maximum aggregation (per Origin AS): 396933 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 509513 Number of IPv4 prefixes with a valid ROA: 619441 Number of IPv4 prefixes with an invalid ROA: 108 Number of IPv4 prefixes with no ROA: 413158 Total ASes present in the Internet Routing Table: 77938 Prefixes per ASN: 13.25 Origin-only ASes present in the Internet Routing Table: 66681 Origin ASes announcing only one prefix: 27238 Transit ASes present in the Internet Routing Table: 11257 Transit-only ASes present in the Internet Routing Table: 576 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: 48724 Number of 32-bit ASNs visible in the Routing Table: 39862 Prefixes from 32-bit ASNs in the Routing Table: 222690 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: 3102667008 Equivalent to 184 /8s, 238 /16s and 241 /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: 335968 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 281078 Total APNIC prefixes after maximum aggregation: 82114 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 267500 Unique aggregates announced from the APNIC address blocks: 107323 APNIC Region origin ASes present in the Internet Routing Table: 15042 APNIC Prefixes per ASN: 17.78 APNIC Region origin ASes announcing only one prefix: 4601 APNIC Region transit ASes present in the Internet Routing Table: 2020 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: 10605 Number of APNIC addresses announced to Internet: 751975424 Equivalent to 44 /8s, 210 /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: 303480 Total ARIN prefixes after maximum aggregation: 136393 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 302832 Unique aggregates announced from the ARIN address blocks: 146667 ARIN Region origin ASes present in the Internet Routing Table: 19392 ARIN Prefixes per ASN: 15.62 ARIN Region origin ASes announcing only one prefix: 7087 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: 1342536704 Equivalent to 80 /8s, 5 /16s and 124 /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: 284295 Total RIPE prefixes after maximum aggregation: 140550 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 286658 Unique aggregates announced from the RIPE address blocks: 186082 RIPE Region origin ASes present in the Internet Routing Table: 29235 RIPE Prefixes per ASN: 9.81 RIPE Region origin ASes announcing only one prefix: 12134 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: 13048 Number of RIPE addresses announced to Internet: 733829888 Equivalent to 43 /8s, 189 /16s and 91 /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: 126273 Total LACNIC prefixes after maximum aggregation: 30259 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 122047 Unique aggregates announced from the LACNIC address blocks: 49570 LACNIC Region origin ASes present in the Internet Routing Table: 11351 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2676 LACNIC Region transit ASes present in the Internet Routing Table: 2583 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: 170841856 Equivalent to 10 /8s, 46 /16s and 215 /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: 36517 Total AfriNIC prefixes after maximum aggregation: 6929 AfriNIC Deaggregation factor: 5.27 Prefixes being announced from the AfriNIC address blocks: 53231 Unique aggregates announced from the AfriNIC address blocks: 19490 AfriNIC Region origin ASes present in the Internet Routing Table: 2015 AfriNIC Prefixes per ASN: 26.42 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: 1378 Number of AfriNIC addresses announced to Internet: 103284224 Equivalent to 6 /8s, 39 /16s and 254 /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 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 3324 1868 97 VNPT-AS-VN VNPT Corp, VN 17561 3109 195 595 LCS-AS-AP LARUS Limited, HK 24560 2967 864 505 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 14187 38854 5511 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 3685 8735 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 3933 3393 114 AKAMAI-ASN1, NL 9009 3857 362 2232 M247, RO 12389 3146 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2605 188 1901 CDNEXT, GB 34984 2450 365 575 TELLCOM-AS, TR 8452 1707 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 12682 3291 604 UNINET, MX 10620 3448 457 1103 Telmex Colombia S.A., CO 13999 2430 504 346 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 1374 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 1844 1532 338 ETISALAT-MISR, EG 24863 1283 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 36935 1193 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 577 52 163 Africa-on-Cloud-AS, ZA 15399 554 57 61 WANANCHI-, 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 14187 38854 5511 AMAZON-02 - Amazon.com, Inc., US 9808 13726 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 12682 3291 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 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 12682 12078 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 4502 4478 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 3933 3819 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 /16:13658 /17:8270 /18:13555 /19:24912 /20:45303 /21:52306 /22:113474 /23:106833 /24:650055 /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 6852 12682 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 2523 14187 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 2:1563 3:981 4:9 5:5138 6:185 7:6 8:1508 9:26 11:172 12:1228 13:638 14:2658 15:425 16:173 17:398 18:915 20:598 21:4 22:188 23:8219 24:2619 25:2 27:2836 29:19 31:3434 32:31 34:81 35:290 36:4641 37:4504 38:10408 39:1267 40:439 41:4526 42:2002 43:2969 44:424 45:19738 46:4935 47:404 48:38 49:2205 50:2072 51:598 52:1278 54:243 55:1113 56:11 57:316 58:2333 59:1348 60:1173 61:3122 62:3106 63:1772 64:6236 65:2121 66:6033 67:3259 68:1487 69:4216 70:1038 71:624 72:3068 74:2970 75:1505 76:584 77:2819 78:1914 79:1797 80:2324 81:2209 82:4033 83:1463 84:2049 85:3818 86:1108 87:2260 88:1343 89:4693 90:816 91:8436 92:2846 93:3015 94:4311 95:4580 96:1455 97:313 98:948 99:787 100:69 101:1339 102:4402 103:32401 104:5531 105:790 106:923 107:2855 108:1227 109:4231 110:2298 111:4099 112:3147 113:1979 114:2175 115:2294 116:2169 117:3465 118:2962 119:2069 120:2680 121:1520 122:2964 123:2346 124:1627 125:2964 126:125 128:1691 129:943 130:1602 131:2380 132:778 133:461 134:1641 135:554 136:1631 137:1541 138:3075 139:1626 140:1792 141:1570 142:2488 143:2165 144:1685 145:629 146:2203 147:2213 148:2792 149:3008 150:1321 151:2696 152:2283 153:963 154:9709 155:2291 156:4596 157:2264 158:1500 159:2767 160:3747 161:1976 162:4035 163:2346 164:2015 165:2608 166:1284 167:2242 168:3955 169:902 170:5475 171:1115 172:4583 173:3459 174:893 175:1356 176:3812 177:4715 178:4378 179:2259 180:3066 181:4406 182:3953 183:2843 184:1996 185:21791 186:5625 187:4870 188:4551 189:4458 190:9731 191:1537 192:11469 193:9525 194:7832 195:5700 196:3271 197:3187 198:6233 199:6113 200:8200 201:6399 202:10643 203:10644 204:4746 205:3777 206:4478 207:3992 208:4384 209:5464 210:4805 211:2690 212:4976 213:4086 214:1078 215:54 216:7178 217:3493 218:1678 219:419 220:2193 221:1318 222:928 223:3296 End of report