IPv4 R&E Routing Table Report 23:05 GMT Mon 15 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: 929702 Prefixes after maximum aggregation (per Origin AS): 355505 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455453 Number of IPv4 prefixes with a valid ROA: 436234 Number of IPv4 prefixes with an invalid ROA: 1150 Number of IPv4 prefixes with no ROA: 492318 Total ASes present in the Internet Routing Table: 75061 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64603 Origin ASes announcing only one prefix: 26554 Transit ASes present in the Internet Routing Table: 10458 Transit-only ASes present in the Internet Routing Table: 462 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: 1058 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 43391 Number of 32-bit ASNs visible in the Routing Table: 35641 Prefixes from 32-bit ASNs in the Routing Table: 178955 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: 471 Number of addresses announced to Internet: 3045883904 Equivalent to 181 /8s, 140 /16s and 128 /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: 308625 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244748 Total APNIC prefixes after maximum aggregation: 71704 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 237803 Unique aggregates announced from the APNIC address blocks: 99685 APNIC Region origin ASes present in the Internet Routing Table: 13823 APNIC Prefixes per ASN: 17.20 APNIC Region origin ASes announcing only one prefix: 4163 APNIC Region transit ASes present in the Internet Routing Table: 1859 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9238 Number of APNIC addresses announced to Internet: 774320640 Equivalent to 46 /8s, 39 /16s and 50 /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: 271993 Total ARIN prefixes after maximum aggregation: 123297 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 276633 Unique aggregates announced from the ARIN address blocks: 131953 ARIN Region origin ASes present in the Internet Routing Table: 19017 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1849 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: 4822 Number of ARIN addresses announced to Internet: 1271662848 Equivalent to 75 /8s, 204 /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, 393216-401308 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: 261652 Total RIPE prefixes after maximum aggregation: 125084 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256316 Unique aggregates announced from the RIPE address blocks: 161115 RIPE Region origin ASes present in the Internet Routing Table: 28494 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12131 RIPE Region transit ASes present in the Internet Routing Table: 3888 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11515 Number of RIPE addresses announced to Internet: 714264064 Equivalent to 42 /8s, 146 /16s and 206 /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: 119781 Total LACNIC prefixes after maximum aggregation: 28659 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118445 Unique aggregates announced from the LACNIC address blocks: 49449 LACNIC Region origin ASes present in the Internet Routing Table: 11057 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2655 LACNIC Region transit ASes present in the Internet Routing Table: 2358 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: 8909 Number of LACNIC addresses announced to Internet: 177591296 Equivalent to 10 /8s, 149 /16s and 212 /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: 30470 Total AfriNIC prefixes after maximum aggregation: 6049 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 40034 Unique aggregates announced from the AfriNIC address blocks: 12851 AfriNIC Region origin ASes present in the Internet Routing Table: 1811 AfriNIC Prefixes per ASN: 22.11 AfriNIC Region origin ASes announcing only one prefix: 644 AfriNIC Region transit ASes present in the Internet Routing Table: 344 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: 1157 Number of AfriNIC addresses announced to Internet: 107769088 Equivalent to 6 /8s, 108 /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 9771 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5675 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4542 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3860 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3602 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3431 498 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3275 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2676 859 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 442 200 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 9502 11205 3356 AMAZON-02, US 11492 4569 303 660 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3569 1320 70 SHAW, CA 22773 3502 3039 290 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3196 1389 2288 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2955 3828 1422 DNIC-ASBLK-00306-00371, US 396982 2746 3639 390 GOOGLE-CLOUD-PLATFORM, US 7018 2513 23623 1576 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 7550 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3933 3396 130 AKAMAI-ASN1, NL 9009 3461 298 1636 M247, RO 8551 2953 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2301 912 ROSTELECOM-AS, RU 34984 2327 359 599 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1516 873 582 TCI, IR 8452 1476 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 12240 3380 614 UNINET, MX 10620 3524 497 889 Telmex Colombia S.A., CO 13999 2498 340 638 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1346 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1238 340 499 Axtel, S.A.B. de C.V., MX 11664 1117 179 421 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1074 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 1535 389 16 LINKdotNET-AS, EG 24835 1534 545 28 RAYA-AS, EG 36992 1362 1518 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1086 70 56 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 15399 532 56 50 WANANCHI-, KE 36914 530 82 3 KENET-AS, KE 24757 482 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 12240 3380 614 UNINET, MX 9808 9771 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9502 11205 3356 AMAZON-02, US 12479 7550 1714 146 UNI2-AS, ES 7545 5675 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4569 303 660 CABLEONE, US 18403 4542 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3933 3396 130 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 9771 9720 CHINAMOBILE-CN China Mobile Communications Grou 12479 7550 7404 UNI2-AS, ES 16509 9502 6146 AMAZON-02, US 7545 5675 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4542 4517 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4569 3909 CABLEONE, US 7552 3860 3840 VIETEL-AS-AP Viettel Group, VN 20940 3933 3803 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 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 /15:2064 /16:13392 /17:8129 /18:13624 /19:24664 /20:43118 /21:51177 /22:109842 /23:98295 /24:563156 /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 6633 7550 UNI2-AS, ES 8151 6233 12240 UNINET, MX 11492 3482 4569 CABLEONE, US 6327 3374 3569 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2554 3502 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2429 2953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2129 2472 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2127 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) ---------------------------------------------- 1:2273 2:1466 3:283 4:5 5:4424 6:163 7:6 8:1494 9:1 11:172 12:1482 13:378 14:2333 15:310 16:204 17:361 18:717 20:346 21:4 22:188 23:6538 24:2672 25:2 27:2507 29:19 31:2543 32:53 34:36 35:119 36:2149 37:4479 38:5917 39:887 40:147 41:4118 42:2201 43:2293 44:325 45:16658 46:4317 47:286 49:1896 50:1879 51:574 52:1590 54:367 55:859 56:5 57:128 58:1872 59:1112 60:1015 61:2598 62:2725 63:1902 64:5510 65:2341 66:4924 67:3041 68:1336 69:4077 70:1176 71:579 72:2917 74:2639 75:1550 76:620 77:2339 78:1826 79:2718 80:2132 81:1893 82:1529 83:1306 84:1622 85:3050 86:771 87:1953 88:1224 89:3950 90:661 91:7895 92:2185 93:2632 94:3596 95:4015 96:1285 97:315 98:1013 99:746 100:96 101:1164 102:3041 103:32468 104:4776 105:600 106:909 107:2747 108:1118 109:4058 110:2135 111:3155 112:2077 113:1717 114:1738 115:2000 116:1951 117:2634 118:2768 119:1945 120:1765 121:1257 122:2637 123:2172 124:1594 125:2782 126:28 128:1408 129:891 130:1064 131:1923 132:821 133:410 134:1707 135:305 136:915 137:990 138:2753 139:1564 140:1353 141:1344 142:1540 143:1521 144:996 145:340 146:1988 147:1655 148:2512 149:2416 150:1017 151:1305 152:1960 153:529 154:5551 155:1371 156:2089 157:1393 158:1085 159:2208 160:2599 161:1622 162:3600 163:1669 164:1613 165:2098 166:1052 167:1702 168:3830 169:789 170:4665 171:988 172:3766 173:2997 174:892 175:1216 176:3600 177:4583 178:3512 179:2199 180:2356 181:3646 182:3409 183:2014 184:2262 185:20516 186:4738 187:4325 188:3990 189:3972 190:9321 191:1452 192:10983 193:8953 194:7359 195:5218 196:3166 197:2606 198:5887 199:6967 200:8025 201:6251 202:10178 203:10047 204:4572 205:3660 206:4368 207:3380 208:4070 209:4898 210:4334 211:2501 212:4219 213:3402 214:1107 215:44 216:6767 217:2768 218:1292 219:414 220:1814 221:1019 222:686 223:2188 End of report