IPv4 R&E Routing Table Report 23:05 GMT Thu 22 Aug, 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: 949114 Prefixes after maximum aggregation (per Origin AS): 363226 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464856 Number of IPv4 prefixes with a valid ROA: 493402 Number of IPv4 prefixes with an invalid ROA: 1163 Number of IPv4 prefixes with no ROA: 454549 Total ASes present in the Internet Routing Table: 75874 Prefixes per ASN: 12.51 Origin-only ASes present in the Internet Routing Table: 65207 Origin ASes announcing only one prefix: 26745 Transit ASes present in the Internet Routing Table: 10667 Transit-only ASes present in the Internet Routing Table: 507 Paths with bogon ASNs present in the IPv4 Routing Table: 19 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 966 Number of instances of unregistered ASNs: 979 Number of 32-bit ASNs allocated by the RIRs: 45210 Number of 32-bit ASNs visible in the Routing Table: 36854 Prefixes from 32-bit ASNs in the Routing Table: 190750 Number of bogon 32-bit ASNs visible in the Routing Table: 53 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 636 Number of addresses announced to Internet: 3034669056 Equivalent to 180 /8s, 225 /16s and 96 /24s Percentage of available address space announced: 82.0 Percentage of allocated address space announced: 82.0 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: 312033 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250648 Total APNIC prefixes after maximum aggregation: 74483 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 242614 Unique aggregates announced from the APNIC address blocks: 102014 APNIC Region origin ASes present in the Internet Routing Table: 14211 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4329 APNIC Region transit ASes present in the Internet Routing Table: 1888 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9685 Number of APNIC addresses announced to Internet: 761360896 Equivalent to 45 /8s, 97 /16s and 114 /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: 277390 Total ARIN prefixes after maximum aggregation: 125370 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281464 Unique aggregates announced from the ARIN address blocks: 134469 ARIN Region origin ASes present in the Internet Routing Table: 19095 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1889 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: 4964 Number of ARIN addresses announced to Internet: 1266330368 Equivalent to 75 /8s, 122 /16s and 171 /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, 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: 265791 Total RIPE prefixes after maximum aggregation: 128221 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261670 Unique aggregates announced from the RIPE address blocks: 166125 RIPE Region origin ASes present in the Internet Routing Table: 28671 RIPE Prefixes per ASN: 9.13 RIPE Region origin ASes announcing only one prefix: 12103 RIPE Region transit ASes present in the Internet Routing Table: 3904 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11931 Number of RIPE addresses announced to Internet: 723728896 Equivalent to 43 /8s, 35 /16s and 58 /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: 122004 Total LACNIC prefixes after maximum aggregation: 28094 LACNIC Deaggregation factor: 4.34 Prefixes being announced from the LACNIC address blocks: 119868 Unique aggregates announced from the LACNIC address blocks: 47314 LACNIC Region origin ASes present in the Internet Routing Table: 11136 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2451 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: 9042 Number of LACNIC addresses announced to Internet: 178354944 Equivalent to 10 /8s, 161 /16s and 123 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 32315 Total AfriNIC prefixes after maximum aggregation: 6420 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 42862 Unique aggregates announced from the AfriNIC address blocks: 14385 AfriNIC Region origin ASes present in the Internet Routing Table: 1870 AfriNIC Prefixes per ASN: 22.92 AfriNIC Region origin ASes announcing only one prefix: 683 AfriNIC Region transit ASes present in the Internet Routing Table: 359 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1232 Number of AfriNIC addresses announced to Internet: 104557824 Equivalent to 6 /8s, 59 /16s and 109 /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 9899 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5700 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4291 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3958 1331 22 VIETEL-AS-AP Viettel Group, VN 9498 3787 508 259 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3247 1841 102 VNPT-AS-VN VNPT Corp, VN 24560 2779 819 487 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2202 434 195 TATACOMM-AS TATA Communications formerly 45090 2189 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10518 11777 3744 AMAZON-02, US 11492 4628 308 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3886 8782 902 COGENT-174, US 6327 3601 1320 79 SHAW, CA 22773 3422 3037 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3254 54897 2506 DNIC-AS-00749, US 7018 2961 23676 1863 ATT-INTERNET4, US 16625 2907 1235 2097 AKAMAI-AS, US 396982 2788 3567 418 GOOGLE-CLOUD-PLATFORM, 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 7705 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3753 3396 129 AKAMAI-ASN1, NL 9009 3594 308 1859 M247, RO 12389 2863 2291 857 ROSTELECOM-AS, RU 34984 2328 359 583 TELLCOM-AS, TR 8551 1783 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1757 126 1289 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1578 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 11824 3291 512 UNINET, MX 10620 3536 493 930 Telmex Colombia S.A., CO 13999 2539 629 22 Mega Cable, S.A. de C.V., MX 11830 2008 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 777 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 19037 1074 278 31 AMX Argentina S.A., AR 22884 1074 98 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1050 2503 53 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 24863 1610 389 16 LINKdotNET-AS, EG 24835 1562 593 29 RAYA-AS, EG 36992 1411 1519 283 ETISALAT-MISR, EG 29571 1329 84 73 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 939 521 42 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 36914 544 82 3 KENET-AS, KE 37342 511 32 1 MOVITEL, MZ 15399 509 56 57 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 8151 11824 3291 512 UNINET, MX 16509 10518 11777 3744 AMAZON-02, US 9808 9899 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7705 1708 145 UNI2-AS, ES 7545 5700 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4628 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4291 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3958 1331 22 VIETEL-AS-AP Viettel Group, 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 9899 9824 CHINAMOBILE-CN China Mobile Communications Grou 12479 7705 7560 UNI2-AS, ES 16509 10518 6774 AMAZON-02, US 7545 5700 5041 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4291 4268 FPT-AS-AP FPT Telecom Company, VN 11492 4628 4081 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3958 3936 VIETEL-AS-AP Viettel Group, VN 20940 3753 3624 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, 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 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 23.130.240.0/24 Origin: 14315 1GSERVERS, US 23.130.240.0/24 Transit: 174 COGENT-174, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, US 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 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 /9:16 /10:37 /11:93 /12:294 /13:577 /14:1165 /15:2056 /16:13166 /17:8141 /18:13581 /19:24346 /20:43129 /21:51265 /22:110806 /23:99421 /24:580997 /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 6774 7705 UNI2-AS, ES 8151 5938 11824 UNINET, MX 11492 3539 4628 CABLEONE, US 6327 3397 3601 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2561 3422 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2165 3536 Telmex Colombia S.A., CO 30036 2155 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2131 10518 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2288 2:1497 3:437 4:6 5:4432 6:162 7:6 8:1512 9:1 11:172 12:1431 13:354 14:2354 15:327 16:259 17:362 18:867 20:404 21:4 22:188 23:6772 24:2688 25:2 27:2559 29:19 31:2659 32:44 34:68 35:137 36:2347 37:4515 38:8307 39:918 40:151 41:4102 42:2000 43:2406 44:331 45:17443 46:4643 47:299 49:2019 50:1850 51:579 52:1575 54:317 55:945 56:8 57:213 58:2163 59:1206 60:1062 61:2742 62:2784 63:1853 64:5456 65:2285 66:4635 67:3009 68:1331 69:4031 70:1150 71:558 72:2851 74:2634 75:1560 76:616 77:2506 78:1854 79:1783 80:2189 81:2024 82:1659 83:1363 84:1703 85:3175 86:963 87:2029 88:1248 89:4246 90:689 91:8200 92:2428 93:2713 94:3734 95:4202 96:1273 97:316 98:1051 99:733 100:73 101:1167 102:3528 103:32245 104:4482 105:699 106:986 107:2375 108:1165 109:4078 110:2127 111:3234 112:2051 113:1795 114:1849 115:2058 116:1956 117:2669 118:2858 119:1980 120:1800 121:1343 122:2684 123:2252 124:1604 125:2832 126:64 128:1357 129:935 130:1188 131:1858 132:808 133:428 134:1471 135:309 136:1138 137:1068 138:2857 139:1531 140:1443 141:1447 142:1668 143:1615 144:1021 145:363 146:2103 147:2023 148:2538 149:2807 150:1060 151:1357 152:2108 153:501 154:6475 155:1427 156:2391 157:1789 158:1185 159:2440 160:3003 161:1699 162:3545 163:1736 164:1680 165:2145 166:1276 167:1852 168:4042 169:807 170:4949 171:1031 172:3893 173:3071 174:901 175:1255 176:3458 177:4685 178:3633 179:2205 180:2456 181:3839 182:3333 183:1994 184:2261 185:20952 186:5002 187:4317 188:4099 189:4146 190:9493 191:1518 192:11045 193:9218 194:7487 195:5317 196:3227 197:3013 198:5924 199:8049 200:8061 201:6329 202:10210 203:10366 204:4545 205:3654 206:4479 207:3531 208:4173 209:5040 210:4496 211:2543 212:4402 213:3665 214:1059 215:48 216:6711 217:2922 218:1329 219:434 220:1816 221:1047 222:701 223:2231 End of report