IPv4 R&E Routing Table Report 23:05 GMT Mon 22 Jan, 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: 930683 Prefixes after maximum aggregation (per Origin AS): 355878 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455531 Number of IPv4 prefixes with a valid ROA: 437232 Number of IPv4 prefixes with an invalid ROA: 1354 Number of IPv4 prefixes with no ROA: 492097 Total ASes present in the Internet Routing Table: 75097 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64636 Origin ASes announcing only one prefix: 26547 Transit ASes present in the Internet Routing Table: 10461 Transit-only ASes present in the Internet Routing Table: 461 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: 1070 Number of instances of unregistered ASNs: 1072 Number of 32-bit ASNs allocated by the RIRs: 43438 Number of 32-bit ASNs visible in the Routing Table: 35682 Prefixes from 32-bit ASNs in the Routing Table: 179399 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: 479 Number of addresses announced to Internet: 3046042112 Equivalent to 181 /8s, 142 /16s and 234 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 308808 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244900 Total APNIC prefixes after maximum aggregation: 71840 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 237910 Unique aggregates announced from the APNIC address blocks: 99716 APNIC Region origin ASes present in the Internet Routing Table: 13842 APNIC Prefixes per ASN: 17.19 APNIC Region origin ASes announcing only one prefix: 4173 APNIC Region transit ASes present in the Internet Routing Table: 1847 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9257 Number of APNIC addresses announced to Internet: 774209280 Equivalent to 46 /8s, 37 /16s and 127 /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: 272207 Total ARIN prefixes after maximum aggregation: 123523 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276943 Unique aggregates announced from the ARIN address blocks: 131955 ARIN Region origin ASes present in the Internet Routing Table: 19024 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1859 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: 4824 Number of ARIN addresses announced to Internet: 1271446784 Equivalent to 75 /8s, 200 /16s and 189 /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: 261724 Total RIPE prefixes after maximum aggregation: 125139 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256346 Unique aggregates announced from the RIPE address blocks: 161061 RIPE Region origin ASes present in the Internet Routing Table: 28521 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12127 RIPE Region transit ASes present in the Internet Routing Table: 3896 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: 11549 Number of RIPE addresses announced to Internet: 714358016 Equivalent to 42 /8s, 148 /16s and 61 /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: 120229 Total LACNIC prefixes after maximum aggregation: 28627 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 118887 Unique aggregates announced from the LACNIC address blocks: 49516 LACNIC Region origin ASes present in the Internet Routing Table: 11041 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2645 LACNIC Region transit ASes present in the Internet Routing Table: 2357 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: 8893 Number of LACNIC addresses announced to Internet: 178006528 Equivalent to 10 /8s, 156 /16s and 42 /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: 30553 Total AfriNIC prefixes after maximum aggregation: 6035 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 40118 Unique aggregates announced from the AfriNIC address blocks: 12884 AfriNIC Region origin ASes present in the Internet Routing Table: 1812 AfriNIC Prefixes per ASN: 22.14 AfriNIC Region origin ASes announcing only one prefix: 647 AfriNIC Region transit ASes present in the Internet Routing Table: 350 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1159 Number of AfriNIC addresses announced to Internet: 107738368 Equivalent to 6 /8s, 107 /16s and 245 /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 9760 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4575 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3866 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3602 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3446 499 255 BBIL-AP BHARTI Airtel Ltd., IN 45899 3277 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2679 859 362 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2185 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 9460 11228 3395 AMAZON-02, US 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3568 1319 69 SHAW, CA 22773 3508 3041 294 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3224 1416 2303 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2968 3831 1430 DNIC-ASBLK-00306-00371, US 396982 2746 3639 390 GOOGLE-CLOUD-PLATFORM, US 7018 2514 23621 1582 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 7554 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3989 3396 132 AKAMAI-ASN1, NL 9009 3309 287 1599 M247, RO 12389 2992 2302 914 ROSTELECOM-AS, RU 8551 2816 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2327 359 600 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1511 867 579 TCI, IR 8452 1485 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 12335 3380 615 UNINET, MX 10620 3527 497 884 Telmex Colombia S.A., CO 13999 2494 338 638 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1233 340 498 Axtel, S.A.B. de C.V., MX 11664 1119 178 424 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1076 118 373 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 1534 545 28 RAYA-AS, EG 24863 1530 389 16 LINKdotNET-AS, EG 36992 1363 1518 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1090 70 50 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 539 56 54 WANANCHI-, KE 36914 527 82 3 KENET-AS, KE 37342 484 32 1 MOVITEL, 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 8151 12335 3380 615 UNINET, MX 9808 9760 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9460 11228 3395 AMAZON-02, US 12479 7554 1714 146 UNI2-AS, ES 7545 5677 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4575 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3989 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 9760 9709 CHINAMOBILE-CN China Mobile Communications Grou 12479 7554 7408 UNI2-AS, ES 16509 9460 6065 AMAZON-02, US 7545 5677 4991 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4575 4550 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4567 3896 CABLEONE, US 20940 3989 3857 AKAMAI-ASN1, NL 7552 3866 3846 VIETEL-AS-AP Viettel Group, VN 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 19589 UNALLOCATED 8.19.242.0/24 23314 ORLANDOTELCO, US 19589 UNALLOCATED 8.19.248.0/24 23314 ORLANDOTELCO, 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 19589 UNALLOCATED 8.26.112.0/23 23314 ORLANDOTELCO, 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 /11:99 /12:300 /13:575 /14:1193 /15:2065 /16:13395 /17:8132 /18:13652 /19:24721 /20:43211 /21:51187 /22:109935 /23:98364 /24:563780 /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 6643 7554 UNI2-AS, ES 8151 6308 12335 UNINET, MX 11492 3481 4567 CABLEONE, US 6327 3374 3568 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2555 3508 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2292 2816 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2130 3527 Telmex Colombia S.A., CO 30036 2126 2469 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2294 2:1471 3:284 4:5 5:4445 6:163 7:6 8:1492 9:1 11:172 12:1481 13:372 14:2332 15:310 16:203 17:359 18:708 20:349 21:4 22:188 23:6595 24:2680 25:2 27:2516 29:19 31:2549 32:53 34:36 35:119 36:2154 37:4481 38:5983 39:888 40:149 41:4119 42:2211 43:2298 44:326 45:16736 46:4303 47:286 49:1898 50:1885 51:574 52:1592 54:362 55:862 56:5 57:133 58:1905 59:1147 60:1016 61:2600 62:2737 63:1902 64:5492 65:2329 66:4878 67:3039 68:1331 69:4082 70:1175 71:579 72:2914 74:2640 75:1554 76:606 77:2338 78:1830 79:2599 80:2127 81:1889 82:1526 83:1265 84:1626 85:3084 86:773 87:1962 88:1216 89:3964 90:660 91:7911 92:2185 93:2639 94:3596 95:4025 96:1291 97:319 98:1016 99:744 100:96 101:1165 102:3040 103:32460 104:4776 105:599 106:910 107:2744 108:1119 109:4036 110:2131 111:3140 112:2063 113:1727 114:1741 115:2001 116:1951 117:2636 118:2765 119:1951 120:1766 121:1262 122:2636 123:2171 124:1554 125:2797 126:28 128:1410 129:890 130:1067 131:1912 132:821 133:410 134:1709 135:307 136:920 137:1002 138:2758 139:1561 140:1303 141:1349 142:1541 143:1525 144:1004 145:340 146:1987 147:1657 148:2515 149:2424 150:1017 151:1309 152:1962 153:528 154:5586 155:1369 156:2087 157:1408 158:1086 159:2203 160:2599 161:1619 162:3582 163:1664 164:1619 165:2091 166:1075 167:1692 168:3824 169:790 170:4676 171:987 172:3774 173:2982 174:892 175:1215 176:3621 177:4565 178:3524 179:2205 180:2365 181:3662 182:3412 183:2019 184:2278 185:20511 186:4800 187:4339 188:3992 189:3951 190:9359 191:1480 192:10987 193:8968 194:7358 195:5206 196:3170 197:2647 198:5886 199:7027 200:8054 201:6327 202:10133 203:10058 204:4568 205:3673 206:4376 207:3405 208:4084 209:4903 210:4338 211:2503 212:4222 213:3400 214:1113 215:44 216:6776 217:2765 218:1289 219:414 220:1821 221:1020 222:687 223:2198 End of report