IPv4 R&E Routing Table Report 23:00 GMT Sun 08 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: 1029038 Prefixes after maximum aggregation (per Origin AS): 395667 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 508336 Number of IPv4 prefixes with a valid ROA: 616801 Number of IPv4 prefixes with an invalid ROA: 494 Number of IPv4 prefixes with no ROA: 411743 Total ASes present in the Internet Routing Table: 77787 Prefixes per ASN: 13.23 Origin-only ASes present in the Internet Routing Table: 66650 Origin ASes announcing only one prefix: 27162 Transit ASes present in the Internet Routing Table: 11137 Transit-only ASes present in the Internet Routing Table: 572 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: 68 Max AS path prepend of ASN (269326) 61 Prefixes from unregistered ASNs in the Routing Table: 1063 Number of instances of unregistered ASNs: 1092 Number of 32-bit ASNs allocated by the RIRs: 48667 Number of 32-bit ASNs visible in the Routing Table: 39757 Prefixes from 32-bit ASNs in the Routing Table: 222320 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: 424 Number of addresses announced to Internet: 3102401024 Equivalent to 184 /8s, 234 /16s and 226 /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: 335068 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 280797 Total APNIC prefixes after maximum aggregation: 81896 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 267348 Unique aggregates announced from the APNIC address blocks: 107142 APNIC Region origin ASes present in the Internet Routing Table: 14996 APNIC Prefixes per ASN: 17.83 APNIC Region origin ASes announcing only one prefix: 4560 APNIC Region transit ASes present in the Internet Routing Table: 2013 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10573 Number of APNIC addresses announced to Internet: 751896064 Equivalent to 44 /8s, 209 /16s and 6 /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: 301328 Total ARIN prefixes after maximum aggregation: 135668 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 300829 Unique aggregates announced from the ARIN address blocks: 146320 ARIN Region origin ASes present in the Internet Routing Table: 19369 ARIN Prefixes per ASN: 15.53 ARIN Region origin ASes announcing only one prefix: 7092 ARIN Region transit ASes present in the Internet Routing Table: 1919 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: 5460 Number of ARIN addresses announced to Internet: 1342404608 Equivalent to 80 /8s, 3 /16s and 120 /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: 283095 Total RIPE prefixes after maximum aggregation: 140252 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 285436 Unique aggregates announced from the RIPE address blocks: 185557 RIPE Region origin ASes present in the Internet Routing Table: 29172 RIPE Prefixes per ASN: 9.78 RIPE Region origin ASes announcing only one prefix: 12094 RIPE Region transit ASes present in the Internet Routing Table: 4058 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: 12991 Number of RIPE addresses announced to Internet: 733681408 Equivalent to 43 /8s, 187 /16s and 23 /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: 126148 Total LACNIC prefixes after maximum aggregation: 30256 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 121989 Unique aggregates announced from the LACNIC address blocks: 49559 LACNIC Region origin ASes present in the Internet Routing Table: 11352 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2681 LACNIC Region transit ASes present in the Internet Routing Table: 2558 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: 9360 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: 36607 Total AfriNIC prefixes after maximum aggregation: 6910 AfriNIC Deaggregation factor: 5.30 Prefixes being announced from the AfriNIC address blocks: 53012 Unique aggregates announced from the AfriNIC address blocks: 19391 AfriNIC Region origin ASes present in the Internet Routing Table: 2009 AfriNIC Prefixes per ASN: 26.39 AfriNIC Region origin ASes announcing only one prefix: 735 AfriNIC Region transit ASes present in the Internet Routing Table: 387 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 58 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1373 Number of AfriNIC addresses announced to Internet: 103352320 Equivalent to 6 /8s, 41 /16s and 8 /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 6003 831 553 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4762 545 338 BBIL-AP BHARTI Airtel Ltd., IN 18403 4421 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4060 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3695 1044 68 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3427 832 183 CMNET-JIANGSU-AP China Mobile communicati 45899 3328 1868 98 VNPT-AS-VN VNPT Corp, VN 24560 2969 865 496 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 17561 2733 171 528 LCS-AS-AP LARUS Limited, HK 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 14105 38818 5511 AMAZON-02 - Amazon.com, Inc., US 22773 4776 3098 362 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 174 3708 8769 860 COGENT-174 - Cogent Communications, LLC, 6327 3699 1321 71 SHAW - Shaw Communications, CA 396982 3310 4856 487 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3143 54728 2394 DNIC-AS-00749 - United States Department 16625 2790 1198 2121 AKAMAI-AS - Akamai Technologies, Inc., US 36352 2696 221 889 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 7239 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 9009 3895 364 2227 M247, RO 20940 3823 3393 110 AKAMAI-ASN1, NL 12389 3144 2317 869 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2579 185 1878 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 1588 241 768 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 12723 3286 605 UNINET, MX 10620 3444 457 1106 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/Singapore/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 1285 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 36935 1164 521 44 Vodafone-, EG 37069 1117 1112 11 MOBINIL, EG 29571 1070 78 20 ORANGE-COTE-IVOIRE, CI 328608 597 48 175 Africa-on-Cloud-AS, ZA 20011 580 154 212 NTT-DATA-Inc, ZA 36914 553 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 14105 38818 5511 AMAZON-02 - Amazon.com, Inc., US 9808 13686 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 12723 3286 605 UNINET, MX 12479 7239 1711 149 UNI2-AS, ES 7545 6003 831 553 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4776 3098 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 9498 4762 545 338 BBIL-AP BHARTI Airtel Ltd., IN 11492 4636 308 1023 CABLEONE - CABLE ONE, INC., US 18403 4421 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 13686 13566 CHINAMOBILE-CN China Mobile Communications Grou 8151 12723 12118 UNINET, MX 12479 7239 7090 UNI2-AS, ES 7545 6003 5450 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 9498 4762 4424 BBIL-AP BHARTI Airtel Ltd., IN 22773 4776 4414 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 18403 4421 4397 FPT-AS-AP FPT Telecom Company, VN 7552 4060 4031 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 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/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 /11:92 /12:302 /13:578 /14:1194 /15:2085 /16:13625 /17:8192 /18:13459 /19:24765 /20:45082 /21:52051 /22:113228 /23:106171 /24:648144 /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 6167 7239 UNI2-AS, ES 39891 3655 4969 ALJAWWALSTC-AS, SA 11492 3496 4636 CABLEONE - CABLE ONE, INC., US 6327 3479 3699 SHAW - Shaw Communications, CA 22773 3049 4776 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2512 14105 AMAZON-02 - Amazon.com, Inc., US 30036 2311 2656 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2224 3444 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 2:1531 3:985 4:9 5:5125 6:187 7:6 8:1499 9:22 11:172 12:1228 13:619 14:2641 15:420 16:178 17:397 18:916 20:597 21:4 22:188 23:8151 24:2623 25:2 27:2821 29:19 31:3438 32:31 34:84 35:290 36:4649 37:4477 38:10413 39:1263 40:438 41:4559 42:1955 43:3021 44:420 45:19787 46:4908 47:401 48:38 49:2204 50:2065 51:598 52:1257 54:241 55:1118 56:11 57:313 58:2350 59:1373 60:1173 61:3140 62:3090 63:1766 64:6199 65:2116 66:6014 67:3251 68:1487 69:4208 70:1051 71:613 72:3076 74:2950 75:1507 76:584 77:2760 78:1924 79:1803 80:2320 81:2175 82:4015 83:1463 84:2037 85:3798 86:1109 87:2249 88:1344 89:4670 90:819 91:8402 92:2846 93:3004 94:4292 95:4562 96:1448 97:311 98:945 99:784 100:70 101:1597 102:4406 103:32930 104:5464 105:790 106:922 107:2847 108:1217 109:4170 110:2309 111:4094 112:3147 113:1979 114:2172 115:2197 116:2192 117:3399 118:3013 119:2098 120:2671 121:1506 122:2953 123:2322 124:1670 125:2989 126:125 128:1653 129:933 130:1580 131:2343 132:774 133:461 134:1627 135:558 136:1634 137:1345 138:3000 139:1619 140:1784 141:1569 142:2466 143:2184 144:1659 145:627 146:2196 147:2248 148:2780 149:2984 150:1327 151:2692 152:2275 153:888 154:9440 155:2299 156:4560 157:2245 158:1502 159:2765 160:3723 161:1978 162:4046 163:2347 164:2023 165:2643 166:1287 167:2225 168:3953 169:910 170:5488 171:1115 172:4570 173:3434 174:892 175:1360 176:3790 177:4761 178:4388 179:2285 180:3081 181:4410 182:3933 183:2828 184:1993 185:21676 186:5562 187:4894 188:4544 189:4496 190:9738 191:1532 192:11438 193:9494 194:7807 195:5646 196:3229 197:3290 198:6077 199:6115 200:8049 201:6403 202:10573 203:10604 204:4713 205:3709 206:4403 207:3815 208:4358 209:5387 210:4743 211:2690 212:4967 213:4052 214:1068 215:54 216:7118 217:3476 218:1669 219:421 220:2195 221:1315 222:933 223:3303 End of report