IPv4 R&E Routing Table Report 23:05 GMT Thu 01 Feb, 2024 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: 931481 Prefixes after maximum aggregation (per Origin AS): 355956 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455890 Number of IPv4 prefixes with a valid ROA: 440190 Number of IPv4 prefixes with an invalid ROA: 1027 Number of IPv4 prefixes with no ROA: 490264 Total ASes present in the Internet Routing Table: 75126 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64655 Origin ASes announcing only one prefix: 26536 Transit ASes present in the Internet Routing Table: 10471 Transit-only ASes present in the Internet Routing Table: 462 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1075 Number of instances of unregistered ASNs: 1077 Number of 32-bit ASNs allocated by the RIRs: 43528 Number of 32-bit ASNs visible in the Routing Table: 35726 Prefixes from 32-bit ASNs in the Routing Table: 180061 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 489 Number of addresses announced to Internet: 3043114240 Equivalent to 181 /8s, 98 /16s and 61 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 309143 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245299 Total APNIC prefixes after maximum aggregation: 71968 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238212 Unique aggregates announced from the APNIC address blocks: 99850 APNIC Region origin ASes present in the Internet Routing Table: 13861 APNIC Prefixes per ASN: 17.19 APNIC Region origin ASes announcing only one prefix: 4187 APNIC Region transit ASes present in the Internet Routing Table: 1857 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9282 Number of APNIC addresses announced to Internet: 773988352 Equivalent to 46 /8s, 34 /16s and 32 /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, 131072-153913 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: 272672 Total ARIN prefixes after maximum aggregation: 123318 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277418 Unique aggregates announced from the ARIN address blocks: 131971 ARIN Region origin ASes present in the Internet Routing Table: 19032 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1854 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4826 Number of ARIN addresses announced to Internet: 1269602304 Equivalent to 75 /8s, 172 /16s and 152 /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, 393216-401308 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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 261423 Total RIPE prefixes after maximum aggregation: 125267 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256105 Unique aggregates announced from the RIPE address blocks: 161009 RIPE Region origin ASes present in the Internet Routing Table: 28505 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12083 RIPE Region transit ASes present in the Internet Routing Table: 3898 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11545 Number of RIPE addresses announced to Internet: 714108160 Equivalent to 42 /8s, 144 /16s and 109 /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, 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: 120385 Total LACNIC prefixes after maximum aggregation: 28621 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119005 Unique aggregates announced from the LACNIC address blocks: 49602 LACNIC Region origin ASes present in the Internet Routing Table: 11050 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2363 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8904 Number of LACNIC addresses announced to Internet: 177386496 Equivalent to 10 /8s, 146 /16s and 180 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 30627 Total AfriNIC prefixes after maximum aggregation: 6067 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 40252 Unique aggregates announced from the AfriNIC address blocks: 13055 AfriNIC Region origin ASes present in the Internet Routing Table: 1822 AfriNIC Prefixes per ASN: 22.09 AfriNIC Region origin ASes announcing only one prefix: 648 AfriNIC Region transit ASes present in the Internet Routing Table: 347 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1169 Number of AfriNIC addresses announced to Internet: 107741184 Equivalent to 6 /8s, 108 /16s and 0 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9819 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 683 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4565 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3603 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3465 499 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3279 1872 98 VNPT-AS-VN VNPT Corp, VN 24560 2685 858 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2186 434 196 TATACOMM-AS TATA Communications formerl 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9582 11246 3361 AMAZON-02, US 11492 4577 304 660 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3612 3041 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3592 1320 74 SHAW, CA 16625 3209 1405 2296 AKAMAI-AS, US 749 3185 54927 2437 DNIC-AS-00749, US 367 2920 3723 1416 DNIC-ASBLK-00306-00371, US 396982 2748 3639 390 GOOGLE-CLOUD-PLATFORM, US 7018 2543 23623 1605 ATT-INTERNET4, 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 7570 1698 148 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3884 3396 132 AKAMAI-ASN1, NL 9009 3278 285 1588 M247, RO 12389 2887 2301 908 ROSTELECOM-AS, RU 8551 2702 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2339 359 592 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1506 866 581 TCI, IR 8452 1497 1852 14 TE-AS TE-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 12393 3386 622 UNINET, MX 10620 3519 496 894 Telmex Colombia S.A., CO 13999 2502 337 640 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1325 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1130 178 421 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1072 117 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1548 545 28 RAYA-AS, EG 24863 1532 389 16 LINKdotNET-AS, EG 36992 1365 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1102 71 57 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 531 82 3 KENET-AS, KE 15399 525 55 53 WANANCHI-, KE 24757 488 73 5 EthioNet-AS, ET 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 8151 12393 3386 622 UNINET, MX 9808 9819 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9582 11246 3361 AMAZON-02, US 12479 7570 1698 148 UNI2-AS, ES 7545 5677 784 683 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4577 304 660 CABLEONE, US 18403 4565 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3884 3396 132 AKAMAI-ASN1, NL 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 9819 9768 CHINAMOBILE-CN China Mobile Communications Grou 12479 7570 7422 UNI2-AS, ES 16509 9582 6221 AMAZON-02, US 7545 5677 4994 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4565 4540 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4577 3917 CABLEONE, US 7552 3877 3857 VIETEL-AS-AP Viettel Group, VN 20940 3884 3752 AKAMAI-ASN1, NL 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /10:36 /11:98 /12:300 /13:576 /14:1194 /15:2066 /16:13352 /17:8114 /18:13638 /19:24660 /20:43133 /21:51185 /22:109932 /23:98672 /24:564487 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6676 7570 UNI2-AS, ES 8151 6360 12393 UNINET, MX 11492 3491 4577 CABLEONE, US 6327 3391 3592 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2658 3612 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2178 2702 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2128 2471 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2125 3519 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) ---------------------------------------------- 1:2298 2:1457 3:291 4:5 5:4453 6:163 7:6 8:1493 9:1 11:172 12:1481 13:379 14:2332 15:311 16:203 17:358 18:722 20:352 21:4 22:188 23:6569 24:2705 25:2 27:2553 29:19 31:2556 32:53 34:37 35:121 36:2161 37:4474 38:6157 39:900 40:151 41:4112 42:2207 43:2297 44:326 45:16746 46:4283 47:286 49:1893 50:1892 51:572 52:1593 54:359 55:866 56:5 57:138 58:1936 59:1145 60:1018 61:2609 62:2703 63:1915 64:5513 65:2337 66:4890 67:3052 68:1336 69:4089 70:1198 71:579 72:2925 74:2634 75:1556 76:622 77:2344 78:1838 79:2501 80:2134 81:1886 82:1518 83:1246 84:1622 85:3082 86:771 87:1958 88:1220 89:3947 90:668 91:7926 92:2183 93:2621 94:3591 95:4038 96:1287 97:318 98:1034 99:744 100:95 101:1155 102:3061 103:32429 104:4769 105:599 106:912 107:2756 108:1128 109:4020 110:2146 111:3156 112:2061 113:1724 114:1746 115:1980 116:1954 117:2639 118:2760 119:1944 120:1783 121:1259 122:2632 123:2194 124:1565 125:2805 126:28 128:1389 129:914 130:1074 131:1802 132:821 133:409 134:1705 135:307 136:919 137:1005 138:2758 139:1540 140:1314 141:1341 142:1551 143:1516 144:1009 145:341 146:2002 147:1674 148:2501 149:2499 150:1021 151:1317 152:1968 153:528 154:5640 155:1367 156:2093 157:1461 158:1085 159:2197 160:2599 161:1620 162:3593 163:1673 164:1611 165:2103 166:1060 167:1702 168:3806 169:794 170:4702 171:992 172:3799 173:2998 174:896 175:1217 176:3623 177:4588 178:3512 179:2202 180:2365 181:3657 182:3416 183:2013 184:2276 185:20501 186:4811 187:4369 188:3997 189:4009 190:9346 191:1434 192:10953 193:8974 194:7325 195:5209 196:3151 197:2650 198:5899 199:7095 200:8034 201:6356 202:10152 203:10112 204:4550 205:3686 206:4385 207:3401 208:4098 209:4876 210:4353 211:2505 212:4235 213:3404 214:1104 215:44 216:6802 217:2770 218:1317 219:429 220:1823 221:1019 222:691 223:2197 End of report