IPv4 R&E Routing Table Report 21:10 GMT Sun 08 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: 1030955 Prefixes after maximum aggregation (per Origin AS): 396017 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 508259 Number of IPv4 prefixes with a valid ROA: 617240 Number of IPv4 prefixes with an invalid ROA: 110 Number of IPv4 prefixes with no ROA: 413605 Total ASes present in the Internet Routing Table: 77857 Prefixes per ASN: 13.24 Origin-only ASes present in the Internet Routing Table: 66631 Origin ASes announcing only one prefix: 27191 Transit ASes present in the Internet Routing Table: 11226 Transit-only ASes present in the Internet Routing Table: 571 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: 48667 Number of 32-bit ASNs visible in the Routing Table: 39784 Prefixes from 32-bit ASNs in the Routing Table: 221558 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: 425 Number of addresses announced to Internet: 3102524160 Equivalent to 184 /8s, 236 /16s and 195 /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: 335418 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 280516 Total APNIC prefixes after maximum aggregation: 82028 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 267037 Unique aggregates announced from the APNIC address blocks: 107192 APNIC Region origin ASes present in the Internet Routing Table: 15024 APNIC Prefixes per ASN: 17.77 APNIC Region origin ASes announcing only one prefix: 4598 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: 10584 Number of APNIC addresses announced to Internet: 751809280 Equivalent to 44 /8s, 207 /16s and 179 /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: 302893 Total ARIN prefixes after maximum aggregation: 136016 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 302335 Unique aggregates announced from the ARIN address blocks: 146362 ARIN Region origin ASes present in the Internet Routing Table: 19400 ARIN Prefixes per ASN: 15.58 ARIN Region origin ASes announcing only one prefix: 7087 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: 5466 Number of ARIN addresses announced to Internet: 1342457856 Equivalent to 80 /8s, 4 /16s and 72 /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: 283567 Total RIPE prefixes after maximum aggregation: 140148 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 285992 Unique aggregates announced from the RIPE address blocks: 185493 RIPE Region origin ASes present in the Internet Routing Table: 29178 RIPE Prefixes per ASN: 9.80 RIPE Region origin ASes announcing only one prefix: 12085 RIPE Region transit ASes present in the Internet Routing Table: 4062 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: 13000 Number of RIPE addresses announced to Internet: 733768704 Equivalent to 43 /8s, 188 /16s and 108 /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: 126333 Total LACNIC prefixes after maximum aggregation: 30250 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 122168 Unique aggregates announced from the LACNIC address blocks: 49584 LACNIC Region origin ASes present in the Internet Routing Table: 11355 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: 2580 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: 9359 Number of LACNIC addresses announced to Internet: 170870016 Equivalent to 10 /8s, 47 /16s and 69 /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: 36611 Total AfriNIC prefixes after maximum aggregation: 6906 AfriNIC Deaggregation factor: 5.30 Prefixes being announced from the AfriNIC address blocks: 52997 Unique aggregates announced from the AfriNIC address blocks: 19260 AfriNIC Region origin ASes present in the Internet Routing Table: 2014 AfriNIC Prefixes per ASN: 26.31 AfriNIC Region origin ASes announcing only one prefix: 737 AfriNIC Region transit ASes present in the Internet Routing Table: 392 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: 1375 Number of AfriNIC addresses announced to Internet: 103422976 Equivalent to 6 /8s, 42 /16s and 28 /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 13686 8729 120 CHINAMOBILE-CN China Mobile Communication 7545 6004 831 555 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4749 545 338 BBIL-AP BHARTI Airtel Ltd., IN 18403 4415 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4059 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3694 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 2739 172 532 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 14108 38818 5514 AMAZON-02 - Amazon.com, Inc., US 22773 4778 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 3672 8767 854 COGENT-174 - Cogent Communications, LLC, 396982 3308 4856 485 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3143 54728 2394 DNIC-AS-00749 - United States Department 16625 2918 1263 2174 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 7243 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 20940 3929 3393 111 AKAMAI-ASN1, NL 9009 3895 364 2227 M247, RO 12389 3146 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2577 184 1876 CDNEXT, GB 34984 2434 366 578 TELLCOM-AS, TR 8452 1720 1852 14 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 203020 1590 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 12723 3286 605 UNINET, MX 10620 3445 457 1107 Telmex Colombia S.A., CO 13999 2478 506 350 Mega Cable, S.A. de C.V., MX 11830 1990 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 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 1983 646 33 RAYA-AS, EG 36992 1844 1532 338 ETISALAT-MISR, EG 24863 1281 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 36935 1164 521 44 Vodafone-, EG 37069 1114 1100 11 MOBINIL, EG 29571 1070 78 20 ORANGE-COTE-IVOIRE, CI 328608 608 53 163 Africa-on-Cloud-AS, ZA 20011 580 154 212 NTT-DATA-Inc, 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 14108 38818 5514 AMAZON-02 - Amazon.com, Inc., US 9808 13686 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 12723 3286 605 UNINET, MX 12479 7243 1711 149 UNI2-AS, ES 7545 6004 831 555 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4778 3114 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 9498 4749 545 338 BBIL-AP BHARTI Airtel Ltd., IN 11492 4636 308 1023 CABLEONE - CABLE ONE, INC., US 18403 4415 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 13686 13566 CHINAMOBILE-CN China Mobile Communications Grou 8151 12723 12118 UNINET, MX 12479 7243 7094 UNI2-AS, ES 7545 6004 5449 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4778 4415 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 9498 4749 4411 BBIL-AP BHARTI Airtel Ltd., IN 18403 4415 4391 FPT-AS-AP FPT Telecom Company, VN 7552 4059 4030 VIETEL-AS-AP Viettel Group, VN 20940 3929 3818 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 /14:1199 /15:2093 /16:13662 /17:8260 /18:13545 /19:24902 /20:45236 /21:52233 /22:113502 /23:106494 /24:648782 /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 6888 12723 UNINET, MX 12479 6171 7243 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 3051 4778 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2510 14108 AMAZON-02 - Amazon.com, Inc., US 30036 2311 2656 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) ---------------------------------------------- 1:2507 2:1559 3:985 4:9 5:5119 6:187 7:6 8:1510 9:22 11:172 12:1228 13:619 14:2640 15:420 16:178 17:397 18:916 20:597 21:4 22:188 23:8206 24:2622 25:2 27:2836 29:19 31:3436 32:31 34:81 35:290 36:4629 37:4484 38:10398 39:1263 40:438 41:4560 42:1959 43:2983 44:421 45:19716 46:4922 47:401 48:38 49:2198 50:2065 51:598 52:1257 54:241 55:1123 56:11 57:316 58:2325 59:1352 60:1173 61:3110 62:3099 63:1773 64:6199 65:2112 66:6025 67:3252 68:1486 69:4207 70:1044 71:622 72:3073 74:2958 75:1507 76:584 77:2757 78:1920 79:1801 80:2322 81:2178 82:4025 83:1469 84:2043 85:3797 86:1108 87:2260 88:1345 89:4674 90:820 91:8414 92:2851 93:3010 94:4291 95:4567 96:1450 97:312 98:948 99:782 100:70 101:1536 102:4417 103:32383 104:5467 105:792 106:922 107:2847 108:1221 109:4175 110:2300 111:4092 112:3146 113:1979 114:2172 115:2240 116:2172 117:3399 118:3013 119:2069 120:2675 121:1520 122:2957 123:2338 124:1621 125:2961 126:125 128:1692 129:948 130:1600 131:2351 132:779 133:461 134:1628 135:559 136:1634 137:1542 138:3005 139:1631 140:1788 141:1570 142:2470 143:2193 144:1660 145:628 146:2205 147:2258 148:2782 149:2982 150:1320 151:2691 152:2283 153:958 154:9440 155:2299 156:4564 157:2257 158:1501 159:2769 160:3743 161:1980 162:4053 163:2351 164:2022 165:2639 166:1287 167:2227 168:3962 169:919 170:5494 171:1115 172:4593 173:3433 174:891 175:1345 176:3793 177:4762 178:4387 179:2285 180:2947 181:4406 182:3935 183:2828 184:1996 185:21739 186:5564 187:4899 188:4537 189:4495 190:9739 191:1529 192:11483 193:9502 194:7810 195:5652 196:3244 197:3211 198:6253 199:6110 200:8188 201:6402 202:10630 203:10647 204:4743 205:3770 206:4467 207:3971 208:4373 209:5448 210:4803 211:2688 212:4966 213:4065 214:1068 215:54 216:7122 217:3485 218:1671 219:419 220:2190 221:1318 222:934 223:3291 End of report