IPv4 R&E Routing Table Report 21:10 GMT Mon 09 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: 1031179 Prefixes after maximum aggregation (per Origin AS): 396243 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 508452 Number of IPv4 prefixes with a valid ROA: 617549 Number of IPv4 prefixes with an invalid ROA: 108 Number of IPv4 prefixes with no ROA: 413522 Total ASes present in the Internet Routing Table: 77899 Prefixes per ASN: 13.24 Origin-only ASes present in the Internet Routing Table: 66649 Origin ASes announcing only one prefix: 27218 Transit ASes present in the Internet Routing Table: 11250 Transit-only ASes present in the Internet Routing Table: 574 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: 93 Max AS path prepend of ASN (152107) 90 Prefixes from unregistered ASNs in the Routing Table: 1034 Number of instances of unregistered ASNs: 1065 Number of 32-bit ASNs allocated by the RIRs: 48667 Number of 32-bit ASNs visible in the Routing Table: 39816 Prefixes from 32-bit ASNs in the Routing Table: 221705 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: 3102091264 Equivalent to 184 /8s, 230 /16s and 40 /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: 335490 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 280465 Total APNIC prefixes after maximum aggregation: 82020 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 267162 Unique aggregates announced from the APNIC address blocks: 107288 APNIC Region origin ASes present in the Internet Routing Table: 15031 APNIC Prefixes per ASN: 17.77 APNIC Region origin ASes announcing only one prefix: 4592 APNIC Region transit ASes present in the Internet Routing Table: 2013 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 93 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10590 Number of APNIC addresses announced to Internet: 751701504 Equivalent to 44 /8s, 206 /16s and 14 /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: 303062 Total ARIN prefixes after maximum aggregation: 136172 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 302399 Unique aggregates announced from the ARIN address blocks: 146403 ARIN Region origin ASes present in the Internet Routing Table: 19401 ARIN Prefixes per ASN: 15.59 ARIN Region origin ASes announcing only one prefix: 7083 ARIN Region transit ASes present in the Internet Routing Table: 1983 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: 5464 Number of ARIN addresses announced to Internet: 1342237184 Equivalent to 80 /8s, 0 /16s and 234 /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: 283598 Total RIPE prefixes after maximum aggregation: 140216 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 285980 Unique aggregates announced from the RIPE address blocks: 185551 RIPE Region origin ASes present in the Internet Routing Table: 29206 RIPE Prefixes per ASN: 9.79 RIPE Region origin ASes announcing only one prefix: 12115 RIPE Region transit ASes present in the Internet Routing Table: 4076 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: 13019 Number of RIPE addresses announced to Internet: 733810176 Equivalent to 43 /8s, 189 /16s and 14 /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: 126375 Total LACNIC prefixes after maximum aggregation: 30249 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 122195 Unique aggregates announced from the LACNIC address blocks: 49568 LACNIC Region origin ASes present in the Internet Routing Table: 11360 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2691 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: 9368 Number of LACNIC addresses announced to Internet: 170843136 Equivalent to 10 /8s, 46 /16s and 220 /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: 36645 Total AfriNIC prefixes after maximum aggregation: 6918 AfriNIC Deaggregation factor: 5.30 Prefixes being announced from the AfriNIC address blocks: 53017 Unique aggregates announced from the AfriNIC address blocks: 19274 AfriNIC Region origin ASes present in the Internet Routing Table: 2013 AfriNIC Prefixes per ASN: 26.34 AfriNIC Region origin ASes announcing only one prefix: 737 AfriNIC Region transit ASes present in the Internet Routing Table: 393 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: 103305984 Equivalent to 6 /8s, 40 /16s and 83 /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 6002 831 554 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4751 545 338 BBIL-AP BHARTI Airtel Ltd., IN 18403 4414 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4060 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 2968 865 496 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 17561 2759 173 542 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 14076 38815 5493 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 3675 8767 853 COGENT-174 - Cogent Communications, LLC, 396982 3316 4856 489 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3143 54728 2394 DNIC-AS-00749 - United States Department 16625 2931 1271 2178 AKAMAI-AS - Akamai Technologies, Inc., US 36352 2689 221 897 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 3894 364 2226 M247, RO 12389 3146 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2578 185 1877 CDNEXT, GB 34984 2434 366 578 TELLCOM-AS, TR 8452 1724 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 12724 3286 605 UNINET, MX 10620 3445 457 1107 Telmex Colombia S.A., CO 13999 2477 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 1256 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 1182 524 47 Vodafone-, EG 37069 1115 1100 11 MOBINIL, EG 29571 1071 78 20 ORANGE-COTE-IVOIRE, CI 328608 608 53 163 Africa-on-Cloud-AS, ZA 20011 580 154 212 NTT-DATA-Inc, ZA 36914 556 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 14076 38815 5493 AMAZON-02 - Amazon.com, Inc., US 9808 13686 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 12724 3286 605 UNINET, MX 12479 7243 1711 149 UNI2-AS, ES 7545 6002 831 554 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 4751 545 338 BBIL-AP BHARTI Airtel Ltd., IN 11492 4636 308 1023 CABLEONE - CABLE ONE, INC., US 18403 4414 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 12724 12119 UNINET, MX 12479 7243 7094 UNI2-AS, ES 7545 6002 5448 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4779 4416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 9498 4751 4413 BBIL-AP BHARTI Airtel Ltd., IN 18403 4414 4390 FPT-AS-AP FPT Telecom Company, VN 7552 4060 4031 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 /14:1200 /15:2089 /16:13661 /17:8260 /18:13554 /19:24900 /20:45256 /21:52239 /22:113475 /23:106518 /24:648980 /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 6889 12724 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 3052 4779 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2503 14076 AMAZON-02 - Amazon.com, Inc., US 30036 2313 2658 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) ---------------------------------------------- 1:2504 2:1558 3:983 4:9 5:5118 6:187 7:6 8:1509 9:22 11:172 12:1224 13:623 14:2644 15:420 16:174 17:397 18:912 20:595 21:4 22:188 23:8196 24:2622 25:2 27:2840 29:19 31:3423 32:31 34:81 35:290 36:4629 37:4418 38:10408 39:1263 40:438 41:4557 42:1959 43:2962 44:421 45:19719 46:4918 47:401 48:38 49:2199 50:2063 51:598 52:1257 54:242 55:1124 56:11 57:317 58:2325 59:1352 60:1173 61:3108 62:3099 63:1772 64:6213 65:2101 66:6029 67:3254 68:1486 69:4206 70:1043 71:622 72:3066 74:2975 75:1506 76:585 77:2760 78:1923 79:1799 80:2327 81:2199 82:4021 83:1469 84:2043 85:3798 86:1108 87:2261 88:1348 89:4672 90:820 91:8409 92:2844 93:3014 94:4299 95:4569 96:1451 97:313 98:949 99:782 100:70 101:1536 102:4416 103:32367 104:5469 105:799 106:922 107:2846 108:1218 109:4208 110:2300 111:4094 112:3134 113:1978 114:2174 115:2252 116:2170 117:3451 118:3013 119:2068 120:2675 121:1519 122:2963 123:2341 124:1623 125:2964 126:125 128:1693 129:944 130:1599 131:2361 132:779 133:461 134:1628 135:559 136:1636 137:1536 138:3010 139:1634 140:1789 141:1572 142:2472 143:2184 144:1666 145:628 146:2200 147:2265 148:2784 149:2984 150:1314 151:2698 152:2280 153:956 154:9445 155:2300 156:4543 157:2259 158:1501 159:2770 160:3739 161:1983 162:4029 163:2348 164:2024 165:2638 166:1288 167:2227 168:3961 169:921 170:5495 171:1114 172:4590 173:3417 174:891 175:1351 176:3777 177:4785 178:4381 179:2294 180:2992 181:4403 182:3937 183:2829 184:1996 185:21759 186:5569 187:4896 188:4539 189:4509 190:9733 191:1535 192:11480 193:9513 194:7817 195:5654 196:3250 197:3221 198:6253 199:6108 200:8190 201:6403 202:10638 203:10642 204:4739 205:3779 206:4466 207:3975 208:4381 209:5463 210:4800 211:2688 212:4970 213:4069 214:1074 215:54 216:7156 217:3489 218:1671 219:419 220:2190 221:1318 222:934 223:3293 End of report