IPv4 R&E Routing Table Report 23:00 GMT Mon 22 Jun, 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: 1055474 Prefixes after maximum aggregation (per Origin AS): 406935 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 522772 Number of IPv4 prefixes with a valid ROA: 707159 Number of IPv4 prefixes with an invalid ROA: 542 Number of IPv4 prefixes with no ROA: 347773 Total ASes present in the Internet Routing Table: 78662 Prefixes per ASN: 13.42 Origin-only ASes present in the Internet Routing Table: 67362 Origin ASes announcing only one prefix: 27478 Transit ASes present in the Internet Routing Table: 11300 Transit-only ASes present in the Internet Routing Table: 593 Paths with bogon ASNs present in the IPv4 Routing Table: 54 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 216 Max AS path prepend of ASN (205624) 211 Prefixes from unregistered ASNs in the Routing Table: 1250 Number of instances of unregistered ASNs: 1280 Number of 32-bit ASNs allocated by the RIRs: 50222 Number of 32-bit ASNs visible in the Routing Table: 40908 Prefixes from 32-bit ASNs in the Routing Table: 234714 Number of bogon 32-bit ASNs visible in the Routing Table: 98 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 458 Number of addresses announced to Internet: 3120292096 Equivalent to 185 /8s, 251 /16s and 225 /24s Percentage of available address space announced: 84.3 Percentage of allocated address space announced: 84.3 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: 345967 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 289037 Total APNIC prefixes after maximum aggregation: 84766 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 274808 Unique aggregates announced from the APNIC address blocks: 109311 APNIC Region origin ASes present in the Internet Routing Table: 15229 APNIC Prefixes per ASN: 18.05 APNIC Region origin ASes announcing only one prefix: 4643 APNIC Region transit ASes present in the Internet Routing Table: 2068 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 43 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10837 Number of APNIC addresses announced to Internet: 747986176 Equivalent to 44 /8s, 149 /16s and 93 /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: 304238 Total ARIN prefixes after maximum aggregation: 137690 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 303691 Unique aggregates announced from the ARIN address blocks: 148952 ARIN Region origin ASes present in the Internet Routing Table: 19414 ARIN Prefixes per ASN: 15.64 ARIN Region origin ASes announcing only one prefix: 7111 ARIN Region transit ASes present in the Internet Routing Table: 1907 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 216 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5621 Number of ARIN addresses announced to Internet: 1348492032 Equivalent to 80 /8s, 96 /16s and 91 /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, 393216-404380 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: 292424 Total RIPE prefixes after maximum aggregation: 145828 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 296167 Unique aggregates announced from the RIPE address blocks: 194212 RIPE Region origin ASes present in the Internet Routing Table: 29599 RIPE Prefixes per ASN: 10.01 RIPE Region origin ASes announcing only one prefix: 12262 RIPE Region transit ASes present in the Internet Routing Table: 4110 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 106 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13551 Number of RIPE addresses announced to Internet: 749542144 Equivalent to 44 /8s, 173 /16s and 27 /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 196608-219547 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: 131105 Total LACNIC prefixes after maximum aggregation: 30892 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 125837 Unique aggregates announced from the LACNIC address blocks: 50312 LACNIC Region origin ASes present in the Internet Routing Table: 11426 LACNIC Prefixes per ASN: 11.01 LACNIC Region origin ASes announcing only one prefix: 2723 LACNIC Region transit ASes present in the Internet Routing Table: 2617 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: 9494 Number of LACNIC addresses announced to Internet: 169730304 Equivalent to 10 /8s, 29 /16s and 225 /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: 37420 Total AfriNIC prefixes after maximum aggregation: 7066 AfriNIC Deaggregation factor: 5.30 Prefixes being announced from the AfriNIC address blocks: 54513 Unique aggregates announced from the AfriNIC address blocks: 19596 AfriNIC Region origin ASes present in the Internet Routing Table: 2041 AfriNIC Prefixes per ASN: 26.71 AfriNIC Region origin ASes announcing only one prefix: 739 AfriNIC Region transit ASes present in the Internet Routing Table: 387 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1405 Number of AfriNIC addresses announced to Internet: 104292096 Equivalent to 6 /8s, 55 /16s and 95 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 13994 8737 119 CHINAMOBILE-CN - China Mobile Communicati 7545 5859 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4970 552 330 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4631 347 25 FPT-VN - FPT Telecom Company, VN 7552 4068 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3731 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3561 887 177 CMNET-Jiangsu-AP - China Mobile communica 17561 3418 215 602 LCS-AS-AP - LARUS Limited, HK 45899 3386 1868 99 VNPT-AS-VN - VNPT Corp, VN 24560 2727 731 734 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 15373 41484 5627 AMAZON-02 - Amazon.com, Inc., US 22773 4780 3100 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4595 305 1117 CABLEONE - CABLE ONE, INC., US 7155 3871 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3720 1305 74 SHAW - Shaw Communications, CA 396982 3378 4868 519 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 3097 234 1041 AS-COLOCROSSING - HostPapa, US 7029 2656 2554 888 WINDSTREAM - Windstream Communications LL 30036 2540 352 580 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C 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 7111 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4136 372 2509 M247 - M247 Europe SRL, RO 20940 3785 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3352 239 2508 CDNEXT - Datacamp Limited, GB 12389 3148 2320 870 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2481 367 588 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1744 109 831 ITHOSTLINE - IT HOSTLINE LTD, CY 203020 1656 253 828 HostRoyale - HostRoyale Technologies Pvt 13188 1607 100 27 TRIOLAN - CONTENT DELIVERY NETWORK LTD, U 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 12832 3265 623 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2339 500 347 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1909 369 65 AS11830 - Instituto Costarricense de Elec 11664 1497 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1372 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1217 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1090 70 359 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1060 2392 100 AS26615 - TIM S/A, 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 2027 617 34 Vodafone Data - Vodafone Data, EG 36992 1863 1533 338 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 36935 1294 523 45 Vodafone Data - Vodafone Data, EG 24863 1267 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 29571 1084 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 37069 778 1092 14 The Egyptian Company for Mobile Services 328608 609 56 206 Africa on Cloud - Africa on Cloud, ZA 15399 559 57 61 Wananchi Group (Kenya) Limited - Wananchi 36914 553 82 3 Kenya Education Network - Kenya Education 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 15373 41484 5627 AMAZON-02 - Amazon.com, Inc., US 9808 13994 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 12832 3265 623 AS8151 - UNINET, MX 12479 7111 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5859 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4970 552 330 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4780 3100 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4631 347 25 FPT-VN - FPT Telecom Company, VN 11492 4595 305 1117 CABLEONE - CABLE ONE, INC., US 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 13994 13875 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12832 12209 AS8151 - UNINET, MX 12479 7111 6961 UNI2-AS - Orange Espagne SA, ES 7545 5859 5390 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4970 4640 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4631 4606 FPT-VN - FPT Telecom Company, VN 22773 4780 4419 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4068 4044 VIETEL-AS-AP - Viettel Group, VN 7155 3871 3784 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 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent 400273 UNALLOCATED 8.41.137.0/24 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 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.132.252.0/24 Origin: 401541 UNASSIGNED 23.132.252.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C 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 /10:39 /11:97 /12:299 /13:584 /14:1187 /15:2109 /16:13642 /17:8233 /18:13269 /19:25376 /20:45390 /21:52575 /22:113502 /23:108885 /24:670257 /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 7037 12832 AS8151 - UNINET, MX 12479 6041 7111 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3501 3720 SHAW - Shaw Communications, CA 11492 3479 4595 CABLEONE - CABLE ONE, INC., US 22773 3050 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2824 3871 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2805 15373 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2198 2540 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2536 2:2053 3:1021 4:5 5:5270 6:204 7:6 8:1428 9:74 11:172 12:1115 13:764 14:2720 15:474 16:456 17:444 18:944 20:599 21:4 22:188 23:8375 24:2776 25:2 27:2797 28:1 29:19 31:3804 32:36 34:91 35:287 36:4812 37:4424 38:10126 39:1317 40:444 41:4568 42:2183 43:3299 44:466 45:19922 46:4957 47:466 48:168 49:2443 50:2006 51:875 52:1357 54:303 55:1168 56:11 57:321 58:2769 59:1492 60:1176 61:3161 62:3151 63:1691 64:6488 65:2164 66:6048 67:3313 68:1266 69:4092 70:1058 71:606 72:3234 74:3092 75:1501 76:594 77:2898 78:2112 79:1802 80:2339 81:2300 82:4337 83:1468 84:2217 85:3873 86:1093 87:2676 88:1314 89:4746 90:788 91:8451 92:2774 93:2999 94:4654 95:4682 96:1446 97:308 98:936 99:867 100:69 101:1626 102:4696 103:32972 104:5596 105:860 106:904 107:2945 108:1309 109:3910 110:2292 111:4143 112:3099 113:1975 114:2499 115:2308 116:2101 117:3594 118:3053 119:2071 120:2738 121:1631 122:3002 123:2201 124:1969 125:3033 126:158 128:1578 129:967 130:1689 131:2473 132:892 133:488 134:1740 135:633 136:1488 137:1367 138:3417 139:1639 140:1792 141:1720 142:2573 143:2077 144:1817 145:661 146:2183 147:2264 148:2809 149:3305 150:1386 151:2964 152:2595 153:1738 154:10050 155:2347 156:4560 157:2415 158:1592 159:2866 160:3883 161:2006 162:4130 163:2623 164:2430 165:2734 166:1281 167:2365 168:4151 169:881 170:5625 171:1143 172:4903 173:3474 174:903 175:1361 176:3973 177:5212 178:4526 179:2497 180:3523 181:4711 182:4039 183:2877 184:2063 185:21834 186:6619 187:5463 188:4776 189:4670 190:10610 191:1813 192:11736 193:9622 194:7857 195:5861 196:3423 197:3253 198:6117 199:6128 200:8602 201:6636 202:10625 203:10657 204:4748 205:3731 206:4421 207:3881 208:4345 209:5393 210:4730 211:2691 212:5120 213:4096 214:1041 215:40 216:7291 217:3705 218:1771 219:411 220:2215 221:1354 222:943 223:3598 End of report