IPv4 R&E Routing Table Report 21:10 GMT Wed 18 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: 1033999 Prefixes after maximum aggregation (per Origin AS): 397189 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 510017 Number of IPv4 prefixes with a valid ROA: 621157 Number of IPv4 prefixes with an invalid ROA: 108 Number of IPv4 prefixes with no ROA: 412734 Total ASes present in the Internet Routing Table: 77961 Prefixes per ASN: 13.26 Origin-only ASes present in the Internet Routing Table: 66681 Origin ASes announcing only one prefix: 27258 Transit ASes present in the Internet Routing Table: 11280 Transit-only ASes present in the Internet Routing Table: 583 Paths with bogon ASNs present in the IPv4 Routing Table: 13 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: 1055 Number of instances of unregistered ASNs: 1089 Number of 32-bit ASNs allocated by the RIRs: 48769 Number of 32-bit ASNs visible in the Routing Table: 39876 Prefixes from 32-bit ASNs in the Routing Table: 222708 Number of bogon 32-bit ASNs visible in the Routing Table: 84 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 436 Number of addresses announced to Internet: 3111526656 Equivalent to 185 /8s, 118 /16s and 33 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 336446 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 281137 Total APNIC prefixes after maximum aggregation: 82086 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 267599 Unique aggregates announced from the APNIC address blocks: 107369 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: 4612 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: 52 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10612 Number of APNIC addresses announced to Internet: 752104704 Equivalent to 44 /8s, 212 /16s and 53 /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: 303813 Total ARIN prefixes after maximum aggregation: 136606 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 303069 Unique aggregates announced from the ARIN address blocks: 146851 ARIN Region origin ASes present in the Internet Routing Table: 19399 ARIN Prefixes per ASN: 15.62 ARIN Region origin ASes announcing only one prefix: 7086 ARIN Region transit ASes present in the Internet Routing Table: 1993 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: 5476 Number of ARIN addresses announced to Internet: 1351989504 Equivalent to 80 /8s, 149 /16s and 185 /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: 284934 Total RIPE prefixes after maximum aggregation: 140613 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 287296 Unique aggregates announced from the RIPE address blocks: 186294 RIPE Region origin ASes present in the Internet Routing Table: 29241 RIPE Prefixes per ASN: 9.83 RIPE Region origin ASes announcing only one prefix: 12138 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: 13054 Number of RIPE addresses announced to Internet: 732996608 Equivalent to 43 /8s, 176 /16s and 164 /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: 126349 Total LACNIC prefixes after maximum aggregation: 30266 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 122129 Unique aggregates announced from the LACNIC address blocks: 49573 LACNIC Region origin ASes present in the Internet Routing Table: 11350 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2685 LACNIC Region transit ASes present in the Internet Routing Table: 2595 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: 9357 Number of LACNIC addresses announced to Internet: 170856448 Equivalent to 10 /8s, 47 /16s and 16 /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: 36711 Total AfriNIC prefixes after maximum aggregation: 6939 AfriNIC Deaggregation factor: 5.29 Prefixes being announced from the AfriNIC address blocks: 53469 Unique aggregates announced from the AfriNIC address blocks: 19551 AfriNIC Region origin ASes present in the Internet Routing Table: 2014 AfriNIC Prefixes per ASN: 26.55 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: 1377 Number of AfriNIC addresses announced to Internet: 103381760 Equivalent to 6 /8s, 41 /16s and 123 /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 13725 8729 120 CHINAMOBILE-CN China Mobile Communication 7545 5998 832 550 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4779 546 329 BBIL-AP BHARTI Airtel Ltd., IN 18403 4503 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4070 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3697 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 3150 198 590 LCS-AS-AP LARUS Limited, HK 24560 2974 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 14294 41156 5585 AMAZON-02 - Amazon.com, Inc., US 22773 4781 3114 363 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 3666 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 2691 221 899 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 7235 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 20940 3935 3393 114 AKAMAI-ASN1, NL 9009 3836 356 2240 M247, RO 12389 3144 2317 870 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2604 188 1900 CDNEXT, GB 34984 2451 365 574 TELLCOM-AS, TR 8452 1686 1852 16 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 203020 1601 243 779 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 3290 602 UNINET, MX 10620 3449 457 1104 Telmex Colombia S.A., CO 13999 2460 506 348 Mega Cable, S.A. de C.V., MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 11664 1415 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 1254 371 22 INTEGRATEL PERU S.A.A., PE 22884 1056 67 358 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1019 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 1285 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 1073 78 20 ORANGE-COTE-IVOIRE, CI 20011 580 154 212 NTT-DATA-Inc, ZA 328608 578 52 163 Africa-on-Cloud-AS, ZA 36914 561 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 14294 41156 5585 AMAZON-02 - Amazon.com, Inc., US 9808 13725 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 12681 3290 602 UNINET, MX 12479 7235 1711 149 UNI2-AS, ES 7545 5998 832 550 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4781 3114 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 9498 4779 546 329 BBIL-AP BHARTI Airtel Ltd., IN 11492 4636 308 1022 CABLEONE - CABLE ONE, INC., US 18403 4503 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 13725 13605 CHINAMOBILE-CN China Mobile Communications Grou 8151 12681 12079 UNINET, MX 12479 7235 7086 UNI2-AS, ES 7545 5998 5448 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 18403 4503 4479 FPT-AS-AP FPT Telecom Company, VN 9498 4779 4450 BBIL-AP BHARTI Airtel Ltd., IN 22773 4781 4418 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 /11:95 /12:299 /13:583 /14:1202 /15:2107 /16:13670 /17:8266 /18:13567 /19:25440 /20:45316 /21:52306 /22:113565 /23:106957 /24:650555 /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 6853 12681 UNINET, MX 12479 6162 7235 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 3053 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2588 14294 AMAZON-02 - Amazon.com, Inc., US 30036 2313 2658 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2229 3449 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 2:1571 3:986 4:9 5:5153 6:185 7:6 8:1511 9:26 11:172 12:1219 13:641 14:2657 15:432 16:174 17:399 18:917 20:598 21:4 22:188 23:8226 24:2619 25:2 27:2838 29:19 31:3439 32:31 34:81 35:291 36:4643 37:4438 38:10428 39:1267 40:443 41:4545 42:1999 43:2973 44:424 45:19855 46:4927 47:404 48:38 49:2204 50:2077 51:598 52:1280 54:240 55:1068 56:11 57:317 58:2336 59:1348 60:1174 61:3123 62:3123 63:1772 64:6232 65:2120 66:6034 67:3255 68:1491 69:4226 70:1037 71:623 72:3092 74:2970 75:1504 76:584 77:2848 78:1915 79:1803 80:2338 81:2227 82:4027 83:1462 84:2048 85:3828 86:1109 87:2259 88:1345 89:4702 90:810 91:8443 92:2855 93:3024 94:4330 95:4580 96:1450 97:312 98:948 99:790 100:69 101:1337 102:4433 103:32411 104:5523 105:790 106:923 107:2850 108:1221 109:4220 110:2302 111:4100 112:3147 113:1977 114:2176 115:2298 116:2170 117:3467 118:3027 119:2070 120:2681 121:1522 122:2966 123:2346 124:1624 125:2965 126:125 128:1698 129:946 130:1604 131:2366 132:778 133:461 134:1641 135:564 136:1630 137:1543 138:3097 139:1632 140:1777 141:1580 142:2508 143:2176 144:1698 145:629 146:2204 147:2217 148:2791 149:2993 150:1322 151:2678 152:2290 153:997 154:9621 155:2288 156:4605 157:2263 158:1503 159:2766 160:3748 161:1965 162:4028 163:2351 164:2014 165:2606 166:1283 167:2244 168:3972 169:896 170:5495 171:1117 172:4585 173:3453 174:891 175:1356 176:3825 177:4738 178:4370 179:2287 180:3005 181:4399 182:3963 183:2844 184:2004 185:21798 186:5626 187:4860 188:4546 189:4460 190:9728 191:1536 192:11464 193:9517 194:7834 195:5687 196:3272 197:3233 198:6260 199:6125 200:8198 201:6396 202:10641 203:10644 204:4744 205:3796 206:4483 207:3991 208:4382 209:5462 210:4806 211:2690 212:4982 213:4106 214:1073 215:54 216:7190 217:3512 218:1678 219:419 220:2193 221:1318 222:931 223:3297 End of report