IPv4 R&E Routing Table Report 23:00 GMT Mon 31 Aug, 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: 1067351 Prefixes after maximum aggregation (per Origin AS): 410856 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 529476 Number of IPv4 prefixes with a valid ROA: 739378 Number of IPv4 prefixes with an invalid ROA: 769 Number of IPv4 prefixes with no ROA: 327204 Total ASes present in the Internet Routing Table: 79122 Prefixes per ASN: 13.49 Origin-only ASes present in the Internet Routing Table: 67746 Origin ASes announcing only one prefix: 27728 Transit ASes present in the Internet Routing Table: 11376 Transit-only ASes present in the Internet Routing Table: 626 Paths with bogon ASNs present in the IPv4 Routing Table: 64 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: 1236 Number of instances of unregistered ASNs: 1247 Number of 32-bit ASNs allocated by the RIRs: 51041 Number of 32-bit ASNs visible in the Routing Table: 41489 Prefixes from 32-bit ASNs in the Routing Table: 240054 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 503 Number of addresses announced to Internet: 3123885568 Equivalent to 186 /8s, 50 /16s and 182 /24s Percentage of available address space announced: 84.4 Percentage of allocated address space announced: 84.4 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: 351271 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 290742 Total APNIC prefixes after maximum aggregation: 85100 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 277547 Unique aggregates announced from the APNIC address blocks: 109717 APNIC Region origin ASes present in the Internet Routing Table: 15324 APNIC Prefixes per ASN: 18.11 APNIC Region origin ASes announcing only one prefix: 4714 APNIC Region transit ASes present in the Internet Routing Table: 2082 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10944 Number of APNIC addresses announced to Internet: 748515072 Equivalent to 44 /8s, 157 /16s and 111 /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: 308611 Total ARIN prefixes after maximum aggregation: 138788 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 306453 Unique aggregates announced from the ARIN address blocks: 150928 ARIN Region origin ASes present in the Internet Routing Table: 19477 ARIN Prefixes per ASN: 15.73 ARIN Region origin ASes announcing only one prefix: 7168 ARIN Region transit ASes present in the Internet Routing Table: 1929 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: 5754 Number of ARIN addresses announced to Internet: 1353271552 Equivalent to 80 /8s, 169 /16s and 73 /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: 297688 Total RIPE prefixes after maximum aggregation: 147665 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 303469 Unique aggregates announced from the RIPE address blocks: 198224 RIPE Region origin ASes present in the Internet Routing Table: 29769 RIPE Prefixes per ASN: 10.19 RIPE Region origin ASes announcing only one prefix: 12308 RIPE Region transit ASes present in the Internet Routing Table: 4140 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13782 Number of RIPE addresses announced to Internet: 750026496 Equivalent to 44 /8s, 180 /16s and 127 /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: 131287 Total LACNIC prefixes after maximum aggregation: 31560 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 125453 Unique aggregates announced from the LACNIC address blocks: 51360 LACNIC Region origin ASes present in the Internet Routing Table: 11488 LACNIC Prefixes per ASN: 10.92 LACNIC Region origin ASes announcing only one prefix: 2780 LACNIC Region transit ASes present in the Internet Routing Table: 2627 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: 9569 Number of LACNIC addresses announced to Internet: 168025856 Equivalent to 10 /8s, 3 /16s and 223 /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: 37787 Total AfriNIC prefixes after maximum aggregation: 7015 AfriNIC Deaggregation factor: 5.39 Prefixes being announced from the AfriNIC address blocks: 53926 Unique aggregates announced from the AfriNIC address blocks: 18816 AfriNIC Region origin ASes present in the Internet Routing Table: 2073 AfriNIC Prefixes per ASN: 26.01 AfriNIC Region origin ASes announcing only one prefix: 758 AfriNIC Region transit ASes present in the Internet Routing Table: 381 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 98 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1440 Number of AfriNIC addresses announced to Internet: 103768064 Equivalent to 6 /8s, 47 /16s and 96 /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 14148 8736 125 CHINAMOBILE-CN - China Mobile Communicati 9498 5078 559 342 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4652 347 24 FPT-VN - FPT Telecom Company, VN 7545 4636 831 275 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4077 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3659 1043 65 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3620 888 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3396 1868 98 VNPT-AS-VN - VNPT Corp, VN 140292 3106 316 1809 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2510 617 709 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 16311 42641 5641 AMAZON-02 - Amazon.com, Inc., US 22773 4869 3170 426 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4605 306 1138 CABLEONE - CABLE ONE, INC., US 7155 3999 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3745 1305 74 SHAW - Shaw Communications, CA 396982 3468 4880 552 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3172 237 1111 AS-COLOCROSSING - HostPapa, US 749 3132 54647 2383 DNIC-AS-00749 - United States Department 7029 2788 2601 893 WINDSTREAM - Windstream Communications LL 31898 2699 1347 1150 ORACLE-BMC-31898 - Oracle Corporation, 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 6958 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4188 374 2541 M247 - M247 Europe SRL, RO 20940 3802 3388 103 AKAMAI-ASN1 - Akamai International B.V., 212238 3542 257 2670 CDNEXT - Datacamp Limited, GB 12389 3115 2329 865 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2521 150 26 KCELL-AS - Kcell JSC, KZ 34984 2511 369 584 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1940 121 917 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1718 1852 13 TE-AS - IDDQD-AS, EG 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 13125 3289 609 AS8151 - UNINET, MX 10620 3394 444 1153 AS10620 - Telmex Colombia S.A., CO 13999 2255 496 330 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1884 369 65 AS11830 - Instituto Costarricense de Elec 11664 1502 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1376 2431 274 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1190 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1100 70 385 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1075 75 52 AS27715 - Locaweb Servicos de Internet S/ 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 1982 537 31 Vodafone Data - Vodafone Data, EG 36992 1930 1543 331 ETISALAT MISR - ETISALAT MISR, EG 36903 1352 588 105 Office National des Postes et Telecommuni 24863 1299 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1254 523 49 Vodafone Data - Vodafone Data, EG 37069 1128 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 15399 558 57 61 Wananchi Group (Kenya) Limited - Wananchi 36914 552 82 3 Kenya Education Network - Kenya Education 37342 541 32 1 Movitel, SA - Movitel, SA, MZ 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 16311 42641 5641 AMAZON-02 - Amazon.com, Inc., US 9808 14148 8736 125 CHINAMOBILE-CN - China Mobile Communicati 8151 13125 3289 609 AS8151 - UNINET, MX 12479 6958 1711 150 UNI2-AS - Orange Espagne SA, ES 9498 5078 559 342 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4869 3170 426 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4652 347 24 FPT-VN - FPT Telecom Company, VN 7545 4636 831 275 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4605 306 1138 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 14148 14023 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13125 12516 AS8151 - UNINET, MX 12479 6958 6808 UNI2-AS - Orange Espagne SA, ES 39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5078 4736 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4652 4628 FPT-VN - FPT Telecom Company, VN 22773 4869 4443 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4636 4361 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4077 4053 VIETEL-AS-AP - Viettel Group, VN 7155 3999 3912 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 394928 UNALLOCATED 8.2.70.0/24 6461 ZAYO-6461 - Zayo Bandwi 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 8.33.224.0/24 174 COGENT-174 - Cogent Com 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.130.160.0/24 Origin: 16509 AMAZON-02 - Amazon.com, Inc., US 23.130.160.0/24 Transit: 2914 NTT-DATA-2914 - NTT America, Inc., US 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 23.133.212.0/24 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 /13:590 /14:1191 /15:2129 /16:13708 /17:8231 /18:13222 /19:25431 /20:45597 /21:53473 /22:113467 /23:110477 /24:679370 /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 7294 13125 AS8151 - UNINET, MX 12479 5886 6958 UNI2-AS - Orange Espagne SA, ES 39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3524 3745 SHAW - Shaw Communications, CA 11492 3512 4605 CABLEONE - CABLE ONE, INC., US 16509 3162 16311 AMAZON-02 - Amazon.com, Inc., US 22773 3110 4869 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2952 3999 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2219 3394 AS10620 - Telmex Colombia S.A., CO 30036 2177 2523 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) ---------------------------------------------- 1:2704 2:2880 3:1127 4:5 5:5379 6:207 7:6 8:1349 9:99 11:172 12:1095 13:919 14:2691 15:486 16:271 17:462 18:1063 20:602 21:4 22:188 23:8551 24:2815 25:2 27:2932 28:7 29:19 31:3849 32:36 34:94 35:293 36:4918 37:4478 38:10328 39:1409 40:438 41:4632 42:2240 43:3458 44:506 45:19923 46:5037 47:479 48:171 49:2438 50:2012 51:908 52:1381 54:324 55:1085 56:11 57:330 58:2492 59:1373 60:1195 61:3274 62:3183 63:1699 64:6602 65:2178 66:6245 67:3333 68:1309 69:4126 70:1049 71:601 72:3337 74:3111 75:1611 76:597 77:2962 78:2155 79:1868 80:2380 81:2297 82:4421 83:1499 84:2136 85:3920 86:1137 87:3000 88:1350 89:4853 90:757 91:8539 92:2784 93:3063 94:4587 95:4804 96:1454 97:305 98:938 99:1003 100:65 101:1601 102:4778 103:33155 104:5687 105:928 106:928 107:2987 108:1460 109:3995 110:2260 111:4232 112:3145 113:1957 114:2575 115:2311 116:2124 117:3873 118:3025 119:2134 120:2826 121:1835 122:3064 123:2217 124:1737 125:3027 126:156 128:1571 129:976 130:1740 131:2538 132:890 133:492 134:1772 135:668 136:1566 137:1394 138:3438 139:1813 140:1869 141:1833 142:2659 143:2227 144:1879 145:709 146:2216 147:2405 148:2855 149:3651 150:1475 151:3038 152:2644 153:2098 154:9242 155:2332 156:4058 157:2556 158:1646 159:2946 160:4074 161:2103 162:4235 163:2715 164:2443 165:2787 166:1188 167:2389 168:4303 169:946 170:5639 171:1121 172:4903 173:3444 174:887 175:1420 176:4036 177:5560 178:4643 179:2765 180:3531 181:4663 182:4082 183:2893 184:2060 185:21975 186:6556 187:5790 188:4781 189:4789 190:10005 191:1891 192:11810 193:9644 194:7989 195:5984 196:3408 197:3242 198:6165 199:6116 200:8287 201:6829 202:10693 203:10718 204:4716 205:3722 206:4403 207:3915 208:4311 209:5460 210:4740 211:2723 212:5299 213:4130 214:1035 215:47 216:7315 217:3788 218:1920 219:416 220:2244 221:1465 222:977 223:3624 End of report