IPv4 R&E Routing Table Report 23:05 GMT Mon 14 Oct, 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: 955464 Prefixes after maximum aggregation (per Origin AS): 365967 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 467570 Number of IPv4 prefixes with a valid ROA: 504324 Number of IPv4 prefixes with an invalid ROA: 1219 Number of IPv4 prefixes with no ROA: 449921 Total ASes present in the Internet Routing Table: 76111 Prefixes per ASN: 12.55 Origin-only ASes present in the Internet Routing Table: 65400 Origin ASes announcing only one prefix: 26796 Transit ASes present in the Internet Routing Table: 10711 Transit-only ASes present in the Internet Routing Table: 507 Paths with bogon ASNs present in the IPv4 Routing Table: 13 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 54 Max AS path prepend of ASN (198039) 50 Prefixes from unregistered ASNs in the Routing Table: 992 Number of instances of unregistered ASNs: 1003 Number of 32-bit ASNs allocated by the RIRs: 45546 Number of 32-bit ASNs visible in the Routing Table: 37158 Prefixes from 32-bit ASNs in the Routing Table: 192686 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: 526 Number of addresses announced to Internet: 3029317376 Equivalent to 180 /8s, 143 /16s and 183 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 313736 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252183 Total APNIC prefixes after maximum aggregation: 74942 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 244285 Unique aggregates announced from the APNIC address blocks: 100974 APNIC Region origin ASes present in the Internet Routing Table: 14309 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4353 APNIC Region transit ASes present in the Internet Routing Table: 1896 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: 9793 Number of APNIC addresses announced to Internet: 758902016 Equivalent to 45 /8s, 59 /16s and 237 /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: 280235 Total ARIN prefixes after maximum aggregation: 125777 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 283340 Unique aggregates announced from the ARIN address blocks: 135311 ARIN Region origin ASes present in the Internet Routing Table: 19124 ARIN Prefixes per ASN: 14.82 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1903 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5021 Number of ARIN addresses announced to Internet: 1266747648 Equivalent to 75 /8s, 129 /16s and 9 /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: 267276 Total RIPE prefixes after maximum aggregation: 129224 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 264016 Unique aggregates announced from the RIPE address blocks: 168142 RIPE Region origin ASes present in the Internet Routing Table: 28744 RIPE Prefixes per ASN: 9.19 RIPE Region origin ASes announcing only one prefix: 12132 RIPE Region transit ASes present in the Internet Routing Table: 3912 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 54 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12033 Number of RIPE addresses announced to Internet: 722217472 Equivalent to 43 /8s, 12 /16s and 42 /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: 121971 Total LACNIC prefixes after maximum aggregation: 28846 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 119651 Unique aggregates announced from the LACNIC address blocks: 48423 LACNIC Region origin ASes present in the Internet Routing Table: 11158 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2651 LACNIC Region transit ASes present in the Internet Routing Table: 2465 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9059 Number of LACNIC addresses announced to Internet: 176985856 Equivalent to 10 /8s, 140 /16s and 151 /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: 32807 Total AfriNIC prefixes after maximum aggregation: 6539 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 43646 Unique aggregates announced from the AfriNIC address blocks: 14279 AfriNIC Region origin ASes present in the Internet Routing Table: 1886 AfriNIC Prefixes per ASN: 23.14 AfriNIC Region origin ASes announcing only one prefix: 687 AfriNIC Region transit ASes present in the Internet Routing Table: 363 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1252 Number of AfriNIC addresses announced to Internet: 104182016 Equivalent to 6 /8s, 53 /16s and 177 /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 10065 8750 73 CHINAMOBILE-CN China Mobile Communication 7545 5977 840 657 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4514 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3982 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3839 510 266 BBIL-AP BHARTI Airtel Ltd., IN 7713 3638 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2777 828 540 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2209 434 196 TATACOMM-AS TATA Communications formerly 45090 2208 1439 86 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 10839 11899 3829 AMAZON-02, US 11492 4660 310 547 CABLEONE, US 174 4528 8766 876 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3603 1320 79 SHAW, CA 22773 3413 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3264 54912 2511 DNIC-AS-00749, US 7018 3193 23677 1973 ATT-INTERNET4, US 396982 2866 3652 422 GOOGLE-CLOUD-PLATFORM, US 16625 2781 1212 2091 AKAMAI-AS, 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 7642 1708 141 UNI2-AS, ES 39891 4668 282 60 ALJAWWALSTC-AS, SA 20940 3810 3395 125 AKAMAI-ASN1, NL 9009 3642 312 1851 M247, RO 12389 2940 2295 882 ROSTELECOM-AS, RU 34984 2332 357 579 TELLCOM-AS, TR 212238 1771 130 1316 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1579 1852 14 TE-AS TE-AS, EG 8551 1471 366 32 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11542 3243 503 UNINET, MX 10620 3546 494 937 Telmex Colombia S.A., CO 13999 2549 534 363 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1150 374 163 Axtel, S.A.B. de C.V., MX 3816 1141 633 228 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1107 369 22 Telefonica del Peru S.A.A., PE 22884 1055 97 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1033 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 24835 1636 593 29 RAYA-AS, EG 24863 1614 389 16 LINKdotNET-AS, EG 36992 1414 1519 283 ETISALAT-MISR, EG 29571 1343 85 61 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 992 523 47 Vodafone-, EG 37069 586 1096 17 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 529 82 3 KENET-AS, KE 15399 508 57 58 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 11542 3243 503 UNINET, MX 16509 10839 11899 3829 AMAZON-02, US 9808 10065 8750 73 CHINAMOBILE-CN China Mobile Communication 12479 7642 1708 141 UNI2-AS, ES 7545 5977 840 657 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4668 282 60 ALJAWWALSTC-AS, SA 11492 4660 310 547 CABLEONE, US 174 4528 8766 876 COGENT-174, US 18403 4514 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4163 287 85 VIASAT-SP-BACKBONE, 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 10065 9992 CHINAMOBILE-CN China Mobile Communications Grou 12479 7642 7501 UNI2-AS, ES 16509 10839 7010 AMAZON-02, US 7545 5977 5320 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4668 4608 ALJAWWALSTC-AS, SA 18403 4514 4491 FPT-AS-AP FPT Telecom Company, VN 11492 4660 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3982 3957 VIETEL-AS-AP Viettel Group, VN 20940 3810 3685 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: 3491 CONSOLE-CONNECT-ASN, 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /10:36 /11:91 /12:296 /13:576 /14:1171 /15:2054 /16:13174 /17:8149 /18:13600 /19:24206 /20:43521 /21:51579 /22:111394 /23:99210 /24:586375 /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 12479 6706 7642 UNI2-AS, ES 8151 5722 11542 UNINET, MX 11492 3555 4660 CABLEONE, US 39891 3428 4668 ALJAWWALSTC-AS, SA 6327 3398 3603 SHAW, CA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2545 3413 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2221 10839 AMAZON-02, US 10620 2175 3546 Telmex Colombia S.A., CO 30036 2175 2514 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2273 2:1529 3:499 4:8 5:4473 6:169 7:6 8:1508 9:1 11:172 12:1426 13:372 14:2432 15:330 16:264 17:355 18:881 20:420 21:4 22:188 23:6860 24:2647 25:2 27:2654 29:19 31:2821 32:44 34:71 35:140 36:2355 37:4537 38:8670 39:915 40:155 41:4129 42:2164 43:2401 44:336 45:17540 46:4677 47:300 49:2005 50:1875 51:581 52:1578 54:318 55:955 56:8 57:222 58:2177 59:1198 60:1139 61:2769 62:2793 63:1851 64:5405 65:2270 66:4640 67:2998 68:1332 69:4008 70:1131 71:566 72:2859 74:2777 75:1624 76:632 77:2576 78:1863 79:1653 80:2190 81:2020 82:1740 83:1372 84:1739 85:3085 86:1002 87:2157 88:1256 89:4338 90:667 91:8236 92:2597 93:2801 94:3791 95:4301 96:1262 97:316 98:1074 99:740 100:74 101:1165 102:3420 103:32260 104:4453 105:710 106:984 107:2384 108:1164 109:4007 110:2189 111:3311 112:2046 113:1775 114:1920 115:2117 116:1959 117:2717 118:2871 119:1983 120:1869 121:1349 122:2686 123:2139 124:1612 125:2830 126:64 128:1397 129:926 130:1232 131:1825 132:808 133:444 134:1513 135:313 136:1221 137:1082 138:2874 139:1523 140:1458 141:1437 142:1772 143:1581 144:1021 145:387 146:2079 147:2044 148:2533 149:2826 150:1067 151:1385 152:2102 153:500 154:7034 155:1482 156:2582 157:1828 158:1201 159:2434 160:3192 161:1733 162:3567 163:1751 164:1933 165:2137 166:1293 167:1848 168:4068 169:783 170:4923 171:1030 172:3887 173:3108 174:908 175:1269 176:3473 177:4805 178:3569 179:2199 180:2487 181:3883 182:3318 183:2053 184:2262 185:21112 186:5024 187:4232 188:4231 189:4067 190:9650 191:1537 192:11044 193:9251 194:7586 195:5395 196:3166 197:3073 198:5910 199:8173 200:8007 201:6269 202:10230 203:10363 204:4557 205:3642 206:4581 207:3574 208:4179 209:5126 210:4501 211:2564 212:4484 213:3616 214:1065 215:48 216:6623 217:3016 218:1320 219:394 220:2068 221:1047 222:717 223:2251 End of report