IPv4 R&E Routing Table Report 23:00 GMT Thu 19 Feb, 2026 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 1032008 Prefixes after maximum aggregation (per Origin AS): 396969 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 510190 Number of IPv4 prefixes with a valid ROA: 619964 Number of IPv4 prefixes with an invalid ROA: 604 Number of IPv4 prefixes with no ROA: 411440 Total ASes present in the Internet Routing Table: 77913 Prefixes per ASN: 13.25 Origin-only ASes present in the Internet Routing Table: 66754 Origin ASes announcing only one prefix: 27255 Transit ASes present in the Internet Routing Table: 11159 Transit-only ASes present in the Internet Routing Table: 573 Paths with bogon ASNs present in the IPv4 Routing Table: 43 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1101 Number of instances of unregistered ASNs: 1131 Number of 32-bit ASNs allocated by the RIRs: 48772 Number of 32-bit ASNs visible in the Routing Table: 39868 Prefixes from 32-bit ASNs in the Routing Table: 223211 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: 436 Number of addresses announced to Internet: 3112478720 Equivalent to 185 /8s, 132 /16s and 168 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 336057 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 281642 Total APNIC prefixes after maximum aggregation: 82014 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 268145 Unique aggregates announced from the APNIC address blocks: 107409 APNIC Region origin ASes present in the Internet Routing Table: 15025 APNIC Prefixes per ASN: 17.85 APNIC Region origin ASes announcing only one prefix: 4579 APNIC Region transit ASes present in the Internet Routing Table: 2027 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 52 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10605 Number of APNIC addresses announced to Internet: 752168960 Equivalent to 44 /8s, 213 /16s and 48 /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: 302051 Total ARIN prefixes after maximum aggregation: 136330 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 301777 Unique aggregates announced from the ARIN address blocks: 146830 ARIN Region origin ASes present in the Internet Routing Table: 19374 ARIN Prefixes per ASN: 15.58 ARIN Region origin ASes announcing only one prefix: 7090 ARIN Region transit ASes present in the Internet Routing Table: 1931 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5471 Number of ARIN addresses announced to Internet: 1352836352 Equivalent to 80 /8s, 162 /16s and 165 /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: 284390 Total RIPE prefixes after maximum aggregation: 140741 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 287013 Unique aggregates announced from the RIPE address blocks: 186365 RIPE Region origin ASes present in the Internet Routing Table: 29253 RIPE Prefixes per ASN: 9.81 RIPE Region origin ASes announcing only one prefix: 12167 RIPE Region transit ASes present in the Internet Routing Table: 4054 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13059 Number of RIPE addresses announced to Internet: 733136128 Equivalent to 43 /8s, 178 /16s and 197 /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: 126159 Total LACNIC prefixes after maximum aggregation: 30262 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 121932 Unique aggregates announced from the LACNIC address blocks: 49566 LACNIC Region origin ASes present in the Internet Routing Table: 11344 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2559 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 68 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9354 Number of LACNIC addresses announced to Internet: 170933760 Equivalent to 10 /8s, 48 /16s and 62 /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: 36665 Total AfriNIC prefixes after maximum aggregation: 6914 AfriNIC Deaggregation factor: 5.30 Prefixes being announced from the AfriNIC address blocks: 52705 Unique aggregates announced from the AfriNIC address blocks: 19641 AfriNIC Region origin ASes present in the Internet Routing Table: 2013 AfriNIC Prefixes per ASN: 26.18 AfriNIC Region origin ASes announcing only one prefix: 740 AfriNIC Region transit ASes present in the Internet Routing Table: 385 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1379 Number of AfriNIC addresses announced to Internet: 103205120 Equivalent to 6 /8s, 38 /16s and 201 /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 5995 831 546 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4782 546 334 BBIL-AP BHARTI Airtel Ltd., IN 18403 4522 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4071 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3683 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3469 887 177 CMNET-JIANGSU-AP China Mobile communicati 45899 3326 1868 99 VNPT-AS-VN VNPT Corp, VN 17561 3141 197 587 LCS-AS-AP LARUS Limited, HK 24560 2979 864 507 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14336 41156 5576 AMAZON-02 - Amazon.com, Inc., US 22773 4781 3098 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4628 307 1025 CABLEONE - CABLE ONE, INC., US 7155 3861 286 85 VIASAT-SP-BACKBONE - ViaSat,Inc., US 174 3755 8770 867 COGENT-174 - Cogent Communications, LLC, 6327 3699 1321 71 SHAW - Shaw Communications, CA 396982 3324 4856 493 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3142 54728 2393 DNIC-AS-00749 - United States Department 16625 2779 1201 2114 AKAMAI-AS - Akamai Technologies, Inc., US 36352 2695 221 892 AS-COLOCROSSING - HostPapa, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7233 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 9009 3835 356 2238 M247, RO 20940 3827 3393 112 AKAMAI-ASN1, NL 12389 3142 2316 868 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2614 188 1910 CDNEXT, GB 34984 2442 364 573 TELLCOM-AS, TR 8452 1670 1852 14 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/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12688 3307 601 UNINET, MX 10620 3448 457 1103 Telmex Colombia S.A., CO 13999 2464 506 349 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 1255 371 22 INTEGRATEL PERU S.A.A., PE 22884 1058 67 360 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1019 2486 57 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Singapore/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 1283 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 36935 1199 523 46 Vodafone-, EG 37069 1117 1112 11 MOBINIL, EG 29571 1073 78 20 ORANGE-COTE-IVOIRE, CI 20011 574 153 209 NTT-DATA-Inc, ZA 328608 561 47 172 Africa-on-Cloud-AS, ZA 36914 554 82 3 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14336 41156 5576 AMAZON-02 - Amazon.com, Inc., US 9808 13725 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 12688 3307 601 UNINET, MX 12479 7233 1711 149 UNI2-AS, ES 7545 5995 831 546 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 306 72 ALJAWWALSTC-AS, SA 9498 4782 546 334 BBIL-AP BHARTI Airtel Ltd., IN 22773 4781 3098 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4628 307 1025 CABLEONE - CABLE ONE, INC., US 18403 4522 347 24 FPT-AS-AP FPT Telecom Company, VN Complete listing at https://bgp.nsrc.org/REN/Singapore/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 12688 12087 UNINET, MX 12479 7233 7084 UNI2-AS, ES 7545 5995 5449 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 18403 4522 4498 FPT-AS-AP FPT Telecom Company, VN 9498 4782 4448 BBIL-AP BHARTI Airtel Ltd., IN 22773 4781 4418 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4071 4042 VIETEL-AS-AP Viettel Group, VN 7155 3861 3776 VIASAT-SP-BACKBONE - ViaSat,Inc., US Complete listing at https://bgp.nsrc.org/REN/Singapore/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 18712 EVERFAST-KC - Everfast 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/Singapore/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: 174 COGENT-174 - Cogent Communications, LLC, 23.137.200.0/24 Origin: 16276 OVH, FR 23.137.200.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, 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/Singapore/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:40 /11:95 /12:299 /13:579 /14:1199 /15:2100 /16:13637 /17:8201 /18:13476 /19:25309 /20:45179 /21:52184 /22:113337 /23:106698 /24:649645 /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 6857 12688 UNINET, MX 12479 6161 7233 UNI2-AS, ES 39891 3655 4969 ALJAWWALSTC-AS, SA 11492 3489 4628 CABLEONE - CABLE ONE, INC., US 6327 3479 3699 SHAW - Shaw Communications, CA 22773 3052 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2605 14336 AMAZON-02 - Amazon.com, Inc., US 30036 2312 2657 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2228 3448 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2512 2:1550 3:984 4:9 5:5157 6:185 7:6 8:1499 9:26 11:172 12:1224 13:641 14:2660 15:455 16:175 17:399 18:917 20:598 21:4 22:188 23:8157 24:2623 25:2 27:2824 29:19 31:3442 32:31 34:84 35:291 36:4644 37:4427 38:10466 39:1267 40:443 41:4535 42:2000 43:3016 44:427 45:19722 46:4921 47:404 48:38 49:2209 50:2077 51:598 52:1280 54:260 55:1123 56:11 57:314 58:2361 59:1357 60:1174 61:3152 62:3121 63:1761 64:6250 65:2123 66:6021 67:3253 68:1490 69:4231 70:1044 71:612 72:3099 74:2973 75:1501 76:584 77:2841 78:1917 79:1790 80:2339 81:2211 82:4013 83:1458 84:2041 85:3829 86:1110 87:2257 88:1343 89:4709 90:809 91:8429 92:2853 93:3018 94:4306 95:4569 96:1448 97:312 98:949 99:792 100:69 101:1594 102:4409 103:32954 104:5517 105:788 106:923 107:2849 108:1214 109:4219 110:2303 111:4103 112:3150 113:1980 114:2176 115:2256 116:2189 117:3470 118:3032 119:2082 120:2677 121:1509 122:2965 123:2330 124:1671 125:2996 126:125 128:1657 129:932 130:1573 131:2342 132:776 133:461 134:1639 135:564 136:1627 137:1340 138:3099 139:1628 140:1786 141:1581 142:2491 143:2180 144:1709 145:628 146:2198 147:2201 148:2794 149:2996 150:1331 151:2686 152:2283 153:930 154:9154 155:2298 156:4579 157:2250 158:1497 159:2762 160:3722 161:1960 162:4029 163:2346 164:2022 165:2627 166:1283 167:2246 168:3970 169:886 170:5502 171:1121 172:4567 173:3446 174:891 175:1370 176:3803 177:4719 178:4358 179:2291 180:3186 181:4409 182:3957 183:2839 184:2002 185:21755 186:5624 187:4870 188:4550 189:4469 190:9726 191:1533 192:11408 193:9583 194:7833 195:5694 196:3262 197:3302 198:6085 199:6130 200:8044 201:6398 202:10593 203:10590 204:4719 205:3741 206:4421 207:3832 208:4359 209:5402 210:4746 211:2692 212:4983 213:4084 214:1072 215:54 216:7196 217:3507 218:1676 219:421 220:2197 221:1315 222:930 223:3309 End of report