IPv4 R&E Routing Table Report 23:05 GMT Sat 23 Dec, 2023 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: 929665 Prefixes after maximum aggregation (per Origin AS): 355968 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455553 Number of IPv4 prefixes with a valid ROA: 434363 Number of IPv4 prefixes with an invalid ROA: 727 Number of IPv4 prefixes with no ROA: 494575 Total ASes present in the Internet Routing Table: 74981 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64608 Origin ASes announcing only one prefix: 26550 Transit ASes present in the Internet Routing Table: 10373 Transit-only ASes present in the Internet Routing Table: 450 Paths with bogon ASNs present in the IPv4 Routing Table: 5 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: 1015 Number of instances of unregistered ASNs: 1017 Number of 32-bit ASNs allocated by the RIRs: 43268 Number of 32-bit ASNs visible in the Routing Table: 35521 Prefixes from 32-bit ASNs in the Routing Table: 178122 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: 505 Number of addresses announced to Internet: 3046535168 Equivalent to 181 /8s, 150 /16s and 112 /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: 309692 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244208 Total APNIC prefixes after maximum aggregation: 71435 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237342 Unique aggregates announced from the APNIC address blocks: 99439 APNIC Region origin ASes present in the Internet Routing Table: 13755 APNIC Prefixes per ASN: 17.25 APNIC Region origin ASes announcing only one prefix: 4144 APNIC Region transit ASes present in the Internet Routing Table: 1839 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: 9162 Number of APNIC addresses announced to Internet: 770469376 Equivalent to 45 /8s, 236 /16s and 110 /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: 272653 Total ARIN prefixes after maximum aggregation: 124250 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 277367 Unique aggregates announced from the ARIN address blocks: 132708 ARIN Region origin ASes present in the Internet Routing Table: 19034 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1834 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: 4823 Number of ARIN addresses announced to Internet: 1275360512 Equivalent to 76 /8s, 4 /16s and 117 /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: 261729 Total RIPE prefixes after maximum aggregation: 124962 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256388 Unique aggregates announced from the RIPE address blocks: 160789 RIPE Region origin ASes present in the Internet Routing Table: 28491 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12125 RIPE Region transit ASes present in the Internet Routing Table: 3875 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11483 Number of RIPE addresses announced to Internet: 714319104 Equivalent to 42 /8s, 147 /16s and 165 /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: 119763 Total LACNIC prefixes after maximum aggregation: 28596 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118443 Unique aggregates announced from the LACNIC address blocks: 49420 LACNIC Region origin ASes present in the Internet Routing Table: 11049 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2341 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: 8899 Number of LACNIC addresses announced to Internet: 178359552 Equivalent to 10 /8s, 161 /16s and 141 /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: 30297 Total AfriNIC prefixes after maximum aggregation: 6015 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39620 Unique aggregates announced from the AfriNIC address blocks: 12778 AfriNIC Region origin ASes present in the Internet Routing Table: 1811 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 643 AfriNIC Region transit ASes present in the Internet Routing Table: 341 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1154 Number of AfriNIC addresses announced to Internet: 107734272 Equivalent to 6 /8s, 107 /16s and 229 /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 9769 8737 47 CHINAMOBILE-CN China Mobile Communicati 7545 5676 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4532 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3650 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3599 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3304 494 251 BBIL-AP BHARTI Airtel Ltd., IN 45899 3269 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2658 856 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2230 11258 587 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 200 TATACOMM-AS TATA Communications formerl 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 9462 11200 3348 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4164 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3468 3033 286 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3199 1418 2326 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2966 3854 1416 DNIC-ASBLK-00306-00371, US 396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US 7018 2525 23623 1573 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 7566 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3992 3397 139 AKAMAI-ASN1, NL 9009 3501 301 1635 M247, RO 8551 3369 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2908 2301 911 ROSTELECOM-AS, RU 34984 2332 360 595 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1511 872 583 TCI, IR 44477 1452 95 719 STARK-INDUSTRIES, GB 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 12158 3382 599 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2493 339 636 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1244 341 502 Axtel, S.A.B. de C.V., MX 11664 1097 177 428 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1073 117 379 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 24863 1588 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1053 68 50 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 36914 515 82 3 KENET-AS, KE 15399 503 53 42 WANANCHI-, KE 24757 479 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 12158 3382 599 UNINET, MX 9808 9769 8737 47 CHINAMOBILE-CN China Mobile Communicati 16509 9462 11200 3348 AMAZON-02, US 12479 7566 1714 146 UNI2-AS, ES 7545 5676 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4532 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4164 288 96 VIASAT-SP-BACKBONE, US 20940 3992 3397 139 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 9769 9722 CHINAMOBILE-CN China Mobile Communications Grou 12479 7566 7420 UNI2-AS, ES 16509 9462 6114 AMAZON-02, US 7545 5676 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4532 4507 FPT-AS-AP FPT Telecom Company, VN 7155 4164 4068 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3992 3853 AKAMAI-ASN1, NL 7552 3650 3630 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 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 23.168.136.0/24 Origin: 44876 EXODO-LLC, US 23.168.136.0/24 Transit: 924 CLOUDIE-NETWORKS-LLC, 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 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 /10:37 /11:99 /12:298 /13:577 /14:1191 /15:2058 /16:13388 /17:8158 /18:13646 /19:24751 /20:43140 /21:51196 /22:109901 /23:99137 /24:562050 /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 6654 7566 UNI2-AS, ES 8151 6161 12158 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3110 4164 VIASAT-SP-BACKBONE, US 8551 2846 3369 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2533 3468 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2122 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) ---------------------------------------------- 1:2284 2:1405 3:283 4:5 5:4394 6:163 7:6 8:1492 9:1 11:172 12:1489 13:375 14:2329 15:309 16:205 17:360 18:709 20:344 21:4 22:188 23:6556 24:2596 25:2 27:2554 29:19 31:2544 32:53 34:36 35:116 36:2101 37:4474 38:5766 39:882 40:147 41:4113 42:2189 43:2290 44:326 45:16603 46:4377 47:286 49:1896 50:1884 51:571 52:1595 54:377 55:885 56:5 57:127 58:1857 59:1111 60:1012 61:2501 62:2745 63:1906 64:5500 65:2343 66:4963 67:3041 68:1329 69:4053 70:1160 71:609 72:2925 74:2627 75:1548 76:625 77:2338 78:1822 79:3017 80:2112 81:1857 82:1522 83:1320 84:1603 85:2970 86:788 87:1967 88:1227 89:3949 90:658 91:7906 92:2173 93:2629 94:3584 95:3994 96:1298 97:316 98:1014 99:737 100:94 101:1150 102:3003 103:32335 104:4790 105:600 106:974 107:2765 108:1143 109:4163 110:2126 111:3153 112:2076 113:1708 114:1750 115:2008 116:1932 117:2567 118:2759 119:1941 120:1755 121:1241 122:2631 123:2174 124:1582 125:2765 128:1420 129:896 130:1062 131:1959 132:823 133:411 134:1703 135:290 136:910 137:1030 138:2734 139:1547 140:1338 141:1347 142:1534 143:1522 144:999 145:337 146:2016 147:1634 148:2485 149:2378 150:1013 151:1310 152:1839 153:528 154:5402 155:1369 156:2091 157:1369 158:1080 159:2198 160:2621 161:1610 162:3591 163:1628 164:1609 165:1854 166:1067 167:1734 168:3819 169:788 170:4690 171:975 172:3765 173:3016 174:891 175:1216 176:3580 177:4623 178:3521 179:2194 180:2345 181:3614 182:3406 183:2026 184:2269 185:20458 186:4831 187:4304 188:3929 189:3955 190:9356 191:1490 192:10996 193:8976 194:7335 195:5213 196:3130 197:2611 198:5911 199:6831 200:8011 201:6257 202:10185 203:10034 204:4571 205:3653 206:4386 207:3383 208:4077 209:4908 210:4323 211:2495 212:4211 213:3374 214:1118 215:49 216:6759 217:2766 218:1289 219:415 220:1795 221:1018 222:699 223:2194 End of report