IPv4 R&E Routing Table Report 23:05 GMT Tue 27 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: 932490 Prefixes after maximum aggregation (per Origin AS): 356819 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 457596 Number of IPv4 prefixes with a valid ROA: 448368 Number of IPv4 prefixes with an invalid ROA: 1076 Number of IPv4 prefixes with no ROA: 483046 Total ASes present in the Internet Routing Table: 75272 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64763 Origin ASes announcing only one prefix: 26565 Transit ASes present in the Internet Routing Table: 10509 Transit-only ASes present in the Internet Routing Table: 475 Paths with bogon ASNs present in the IPv4 Routing Table: 12 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: 1052 Number of instances of unregistered ASNs: 1054 Number of 32-bit ASNs allocated by the RIRs: 43714 Number of 32-bit ASNs visible in the Routing Table: 35898 Prefixes from 32-bit ASNs in the Routing Table: 181176 Number of bogon 32-bit ASNs visible in the Routing Table: 15 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 519 Number of addresses announced to Internet: 3040678400 Equivalent to 181 /8s, 61 /16s and 18 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 307989 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245643 Total APNIC prefixes after maximum aggregation: 72224 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 238404 Unique aggregates announced from the APNIC address blocks: 100041 APNIC Region origin ASes present in the Internet Routing Table: 13906 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4192 APNIC Region transit ASes present in the Internet Routing Table: 1849 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9338 Number of APNIC addresses announced to Internet: 774038528 Equivalent to 46 /8s, 34 /16s and 228 /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: 272235 Total ARIN prefixes after maximum aggregation: 123328 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 276965 Unique aggregates announced from the ARIN address blocks: 132469 ARIN Region origin ASes present in the Internet Routing Table: 19063 ARIN Prefixes per ASN: 14.53 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1897 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4844 Number of ARIN addresses announced to Internet: 1269993216 Equivalent to 75 /8s, 178 /16s and 143 /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: 262254 Total RIPE prefixes after maximum aggregation: 125749 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257164 Unique aggregates announced from the RIPE address blocks: 161914 RIPE Region origin ASes present in the Internet Routing Table: 28549 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12124 RIPE Region transit ASes present in the Internet Routing Table: 3897 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11621 Number of RIPE addresses announced to Internet: 712529152 Equivalent to 42 /8s, 120 /16s and 85 /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: 121039 Total LACNIC prefixes after maximum aggregation: 28758 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119570 Unique aggregates announced from the LACNIC address blocks: 49507 LACNIC Region origin ASes present in the Internet Routing Table: 11063 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2624 LACNIC Region transit ASes present in the Internet Routing Table: 2373 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8918 Number of LACNIC addresses announced to Internet: 177646848 Equivalent to 10 /8s, 150 /16s and 173 /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: 30267 Total AfriNIC prefixes after maximum aggregation: 6057 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 39868 Unique aggregates announced from the AfriNIC address blocks: 13234 AfriNIC Region origin ASes present in the Internet Routing Table: 1825 AfriNIC Prefixes per ASN: 21.85 AfriNIC Region origin ASes announcing only one prefix: 654 AfriNIC Region transit ASes present in the Internet Routing Table: 349 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 44 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1177 Number of AfriNIC addresses announced to Internet: 106168832 Equivalent to 6 /8s, 84 /16s and 2 /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 9824 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5654 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4552 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3878 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3510 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3285 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2740 860 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2190 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 9653 11245 3343 AMAZON-02, US 11492 4581 304 644 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3605 3043 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3589 1320 75 SHAW, CA 174 3222 6642 667 COGENT-174, US 16625 3210 1399 2286 AKAMAI-AS, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2890 3629 1406 DNIC-ASBLK-00306-00371, US 396982 2758 3639 397 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 7617 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3877 3395 126 AKAMAI-ASN1, NL 9009 3264 283 1584 M247, RO 12389 2894 2304 908 ROSTELECOM-AS, RU 8551 2653 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2351 363 595 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1497 1852 14 TE-AS TE-AS, EG 44477 1488 97 709 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 12496 3356 607 UNINET, MX 10620 3524 496 890 Telmex Colombia S.A., CO 13999 2514 340 646 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1330 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1310 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 349 490 Axtel, S.A.B. de C.V., MX 11664 1140 179 418 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1067 114 373 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 1550 545 28 RAYA-AS, EG 24863 1518 389 16 LINKdotNET-AS, EG 36992 1362 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1157 74 60 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 520 55 52 WANANCHI-, KE 24757 447 73 5 EthioNet-AS, ET 37342 418 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 12496 3356 607 UNINET, MX 9808 9824 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9653 11245 3343 AMAZON-02, US 12479 7617 1714 147 UNI2-AS, ES 7545 5654 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4581 304 644 CABLEONE, US 18403 4552 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3878 1331 21 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 9824 9772 CHINAMOBILE-CN China Mobile Communications Grou 12479 7617 7470 UNI2-AS, ES 16509 9653 6310 AMAZON-02, US 7545 5654 4980 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4552 4527 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4581 3937 CABLEONE, US 7552 3878 3857 VIETEL-AS-AP Viettel Group, VN 20940 3877 3751 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 27.0.192.0/24 Origin: 136800 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 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 /12:299 /13:573 /14:1190 /15:2057 /16:13326 /17:8110 /18:13558 /19:24595 /20:43086 /21:50841 /22:109715 /23:97900 /24:567068 /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 6732 7617 UNI2-AS, ES 8151 6451 12496 UNINET, MX 11492 3494 4581 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3387 3589 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2652 3605 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2130 2470 MEDIACOM-ENTERPRISE-BUSINESS, US 8551 2129 2653 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2129 3524 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) ---------------------------------------------- 1:2287 2:1508 3:301 4:6 5:4472 6:161 7:6 8:1494 9:1 11:172 12:1466 13:390 14:2348 15:313 16:208 17:366 18:734 20:356 21:4 22:188 23:6600 24:2697 25:2 27:2567 29:19 31:2560 32:45 34:40 35:122 36:2195 37:4497 38:7045 39:892 40:139 41:4051 42:2180 43:2292 44:325 45:16823 46:4345 47:287 49:1896 50:1892 51:577 52:1583 54:312 55:880 56:5 57:148 58:1965 59:1116 60:1019 61:2610 62:2695 63:1903 64:5510 65:2327 66:4654 67:3044 68:1352 69:4048 70:1197 71:574 72:2893 74:2582 75:1554 76:630 77:2396 78:1839 79:2473 80:2137 81:1916 82:1503 83:1246 84:1640 85:3082 86:837 87:1970 88:1225 89:3996 90:677 91:7929 92:2194 93:2632 94:3650 95:4076 96:1285 97:312 98:1033 99:745 100:92 101:1159 102:3089 103:32471 104:4747 105:599 106:927 107:2761 108:1118 109:4033 110:2139 111:3163 112:2058 113:1754 114:1763 115:1982 116:1949 117:2649 118:2761 119:1946 120:1785 121:1269 122:2673 123:2193 124:1560 125:2835 126:28 128:1493 129:913 130:1080 131:1823 132:810 133:411 134:1707 135:312 136:923 137:1027 138:2781 139:1536 140:1370 141:1345 142:1558 143:1478 144:1009 145:343 146:2016 147:1698 148:2490 149:2520 150:1023 151:1317 152:1983 153:525 154:5700 155:1375 156:2093 157:1558 158:1097 159:2221 160:2603 161:1627 162:3592 163:1698 164:1631 165:2109 166:1061 167:1701 168:3943 169:787 170:4714 171:1003 172:3834 173:3008 174:892 175:1217 176:3638 177:4544 178:3555 179:2202 180:2374 181:3644 182:3400 183:2022 184:2263 185:20612 186:4882 187:4421 188:4011 189:4112 190:9304 191:1431 192:10961 193:9000 194:7428 195:5250 196:3123 197:2481 198:5909 199:7257 200:8061 201:6352 202:10144 203:10118 204:4535 205:3702 206:4438 207:3416 208:4136 209:4955 210:4369 211:2482 212:4280 213:3399 214:1113 215:44 216:6701 217:2813 218:1313 219:405 220:1822 221:1022 222:695 223:2208 End of report