IPv4 R&E Routing Table Report 23:00 GMT Mon 16 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: 1031285 Prefixes after maximum aggregation (per Origin AS): 396642 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 509677 Number of IPv4 prefixes with a valid ROA: 619029 Number of IPv4 prefixes with an invalid ROA: 634 Number of IPv4 prefixes with no ROA: 411622 Total ASes present in the Internet Routing Table: 77879 Prefixes per ASN: 13.24 Origin-only ASes present in the Internet Routing Table: 66726 Origin ASes announcing only one prefix: 27245 Transit ASes present in the Internet Routing Table: 11153 Transit-only ASes present in the Internet Routing Table: 577 Paths with bogon ASNs present in the IPv4 Routing Table: 45 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: 1102 Number of instances of unregistered ASNs: 1132 Number of 32-bit ASNs allocated by the RIRs: 48744 Number of 32-bit ASNs visible in the Routing Table: 39838 Prefixes from 32-bit ASNs in the Routing Table: 223497 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: 435 Number of addresses announced to Internet: 3112055552 Equivalent to 185 /8s, 126 /16s and 51 /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: 335679 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 281675 Total APNIC prefixes after maximum aggregation: 82064 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 268076 Unique aggregates announced from the APNIC address blocks: 107260 APNIC Region origin ASes present in the Internet Routing Table: 15019 APNIC Prefixes per ASN: 17.85 APNIC Region origin ASes announcing only one prefix: 4582 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: 10599 Number of APNIC addresses announced to Internet: 752085760 Equivalent to 44 /8s, 211 /16s and 235 /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: 302012 Total ARIN prefixes after maximum aggregation: 135994 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 301460 Unique aggregates announced from the ARIN address blocks: 146635 ARIN Region origin ASes present in the Internet Routing Table: 19356 ARIN Prefixes per ASN: 15.57 ARIN Region origin ASes announcing only one prefix: 7089 ARIN Region transit ASes present in the Internet Routing Table: 1927 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: 5464 Number of ARIN addresses announced to Internet: 1351836416 Equivalent to 80 /8s, 147 /16s and 99 /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: 283736 Total RIPE prefixes after maximum aggregation: 140689 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 286043 Unique aggregates announced from the RIPE address blocks: 186287 RIPE Region origin ASes present in the Internet Routing Table: 29241 RIPE Prefixes per ASN: 9.78 RIPE Region origin ASes announcing only one prefix: 12158 RIPE Region transit ASes present in the Internet Routing Table: 4059 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: 13041 Number of RIPE addresses announced to Internet: 733787136 Equivalent to 43 /8s, 188 /16s and 180 /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: 126006 Total LACNIC prefixes after maximum aggregation: 30224 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 121793 Unique aggregates announced from the LACNIC address blocks: 49457 LACNIC Region origin ASes present in the Internet Routing Table: 11342 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2676 LACNIC Region transit ASes present in the Internet Routing Table: 2555 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: 9357 Number of LACNIC addresses announced to Internet: 170833664 Equivalent to 10 /8s, 46 /16s and 183 /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: 36754 Total AfriNIC prefixes after maximum aggregation: 6961 AfriNIC Deaggregation factor: 5.28 Prefixes being announced from the AfriNIC address blocks: 53478 Unique aggregates announced from the AfriNIC address blocks: 19660 AfriNIC Region origin ASes present in the Internet Routing Table: 2013 AfriNIC Prefixes per ASN: 26.57 AfriNIC Region origin ASes announcing only one prefix: 740 AfriNIC Region transit ASes present in the Internet Routing Table: 386 Average AfriNIC Region AS path length visible: 5.2 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: 103312640 Equivalent to 6 /8s, 40 /16s and 109 /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 13726 8729 120 CHINAMOBILE-CN China Mobile Communication 7545 6005 832 553 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4772 545 329 BBIL-AP BHARTI Airtel Ltd., IN 18403 4493 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4071 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3695 1044 68 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3469 887 177 CMNET-JIANGSU-AP China Mobile communicati 45899 3327 1868 99 VNPT-AS-VN VNPT Corp, VN 17561 3069 193 582 LCS-AS-AP LARUS Limited, HK 24560 2969 864 505 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 14224 41126 5507 AMAZON-02 - Amazon.com, Inc., US 22773 4781 3098 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4637 308 1021 CABLEONE - CABLE ONE, INC., US 7155 3861 286 85 VIASAT-SP-BACKBONE - ViaSat,Inc., US 174 3713 8769 859 COGENT-174 - Cogent Communications, LLC, 6327 3699 1321 71 SHAW - Shaw Communications, CA 396982 3324 4856 494 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3142 54728 2393 DNIC-AS-00749 - United States Department 16625 2800 1206 2122 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 7243 1711 149 UNI2-AS, ES 39891 4836 298 76 ALJAWWALSTC-AS, SA 20940 3828 3393 112 AKAMAI-ASN1, NL 9009 3823 359 2206 M247, RO 12389 3141 2316 868 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2606 188 1902 CDNEXT, GB 34984 2446 365 582 TELLCOM-AS, TR 8452 1707 1852 14 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 203020 1598 242 776 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 12684 3291 604 UNINET, MX 10620 3449 457 1104 Telmex Colombia S.A., CO 13999 2462 506 349 Mega Cable, S.A. de C.V., MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 11664 1414 278 33 Techtel LMDS Comunicaciones Interactivas 28573 1373 2430 274 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 1055 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 1984 648 34 RAYA-AS, EG 36992 1845 1532 339 ETISALAT-MISR, EG 24863 1287 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 1071 78 20 ORANGE-COTE-IVOIRE, CI 20011 580 154 212 NTT-DATA-Inc, ZA 328608 572 47 169 Africa-on-Cloud-AS, ZA 15399 552 57 59 WANANCHI-, 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 14224 41126 5507 AMAZON-02 - Amazon.com, Inc., US 9808 13726 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 12684 3291 604 UNINET, MX 12479 7243 1711 149 UNI2-AS, ES 7545 6005 832 553 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4836 298 76 ALJAWWALSTC-AS, SA 22773 4781 3098 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 9498 4772 545 329 BBIL-AP BHARTI Airtel Ltd., IN 11492 4637 308 1021 CABLEONE - CABLE ONE, INC., US 18403 4493 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 13726 13606 CHINAMOBILE-CN China Mobile Communications Grou 8151 12684 12080 UNINET, MX 12479 7243 7094 UNI2-AS, ES 7545 6005 5452 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4836 4760 ALJAWWALSTC-AS, SA 18403 4493 4469 FPT-AS-AP FPT Telecom Company, VN 9498 4772 4443 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 /12:303 /13:580 /14:1197 /15:2087 /16:13635 /17:8200 /18:13466 /19:24770 /20:45147 /21:52124 /22:113234 /23:106608 /24:649769 /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 6854 12684 UNINET, MX 12479 6170 7243 UNI2-AS, ES 39891 3526 4836 ALJAWWALSTC-AS, SA 11492 3497 4637 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 2528 14224 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/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2505 2:1530 3:983 4:9 5:5142 6:187 7:6 8:1494 9:26 11:172 12:1224 13:641 14:2659 15:425 16:168 17:399 18:915 20:598 21:4 22:188 23:8157 24:2620 25:2 27:2822 29:19 31:3452 32:31 34:84 35:291 36:4653 37:4484 38:10453 39:1268 40:441 41:4539 42:1995 43:3014 44:422 45:19843 46:4910 47:404 48:38 49:2210 50:2073 51:598 52:1280 54:243 55:1107 56:11 57:313 58:2358 59:1357 60:1173 61:3152 62:3112 63:1765 64:6237 65:2125 66:6025 67:3258 68:1492 69:4216 70:1045 71:615 72:3094 74:2962 75:1506 76:582 77:2802 78:1915 79:1796 80:2320 81:2223 82:4014 83:1457 84:2043 85:3824 86:1110 87:2248 88:1342 89:4690 90:815 91:8428 92:2843 93:2889 94:4314 95:4569 96:1453 97:312 98:947 99:791 100:69 101:1592 102:4432 103:32970 104:5516 105:789 106:923 107:2858 108:1224 109:4227 110:2308 111:4103 112:3148 113:1975 114:2176 115:2252 116:2190 117:3468 118:3020 119:2097 120:2676 121:1506 122:2961 123:2332 124:1674 125:2992 126:125 128:1655 129:919 130:1588 131:2369 132:774 133:461 134:1640 135:558 136:1622 137:1337 138:3090 139:1621 140:1788 141:1578 142:2487 143:2159 144:1690 145:629 146:2195 147:2206 148:2782 149:3015 150:1331 151:2695 152:2297 153:897 154:9664 155:2291 156:4594 157:2250 158:1499 159:2763 160:3730 161:1977 162:4031 163:2341 164:2018 165:2621 166:1287 167:2242 168:3971 169:921 170:5491 171:1116 172:4554 173:3462 174:892 175:1371 176:3800 177:4719 178:4374 179:2287 180:3186 181:4404 182:3950 183:2836 184:1997 185:21741 186:5627 187:4854 188:4562 189:4458 190:9741 191:1538 192:11424 193:9521 194:7834 195:5689 196:3267 197:3318 198:6075 199:6125 200:8060 201:6321 202:10592 203:10605 204:4711 205:3714 206:4420 207:3800 208:4366 209:5403 210:4744 211:2692 212:4962 213:4075 214:1076 215:54 216:7177 217:3482 218:1676 219:421 220:2195 221:1315 222:929 223:3309 End of report