IPv4 R&E Routing Table Report 23:05 GMT Thu 02 Nov, 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: 925671 Prefixes after maximum aggregation (per Origin AS): 354207 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 453969 Number of IPv4 prefixes with a valid ROA: 426149 Number of IPv4 prefixes with an invalid ROA: 1340 Number of IPv4 prefixes with no ROA: 498182 Total ASes present in the Internet Routing Table: 74792 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64330 Origin ASes announcing only one prefix: 26456 Transit ASes present in the Internet Routing Table: 10462 Transit-only ASes present in the Internet Routing Table: 467 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 37 Max AS path prepend of ASN (203459) 31 Prefixes from unregistered ASNs in the Routing Table: 1029 Number of instances of unregistered ASNs: 1031 Number of 32-bit ASNs allocated by the RIRs: 42986 Number of 32-bit ASNs visible in the Routing Table: 35243 Prefixes from 32-bit ASNs in the Routing Table: 175928 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 510 Number of addresses announced to Internet: 3049571840 Equivalent to 181 /8s, 196 /16s and 198 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 308982 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242373 Total APNIC prefixes after maximum aggregation: 70650 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 235733 Unique aggregates announced from the APNIC address blocks: 98782 APNIC Region origin ASes present in the Internet Routing Table: 13629 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4095 APNIC Region transit ASes present in the Internet Routing Table: 1826 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9022 Number of APNIC addresses announced to Internet: 771630848 Equivalent to 45 /8s, 254 /16s and 39 /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: 272170 Total ARIN prefixes after maximum aggregation: 124033 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 276309 Unique aggregates announced from the ARIN address blocks: 132225 ARIN Region origin ASes present in the Internet Routing Table: 19034 ARIN Prefixes per ASN: 14.52 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1857 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: 4810 Number of ARIN addresses announced to Internet: 1276406272 Equivalent to 76 /8s, 20 /16s and 106 /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: 261300 Total RIPE prefixes after maximum aggregation: 124388 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256191 Unique aggregates announced from the RIPE address blocks: 160525 RIPE Region origin ASes present in the Internet Routing Table: 28434 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12086 RIPE Region transit ASes present in the Internet Routing Table: 3900 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11396 Number of RIPE addresses announced to Internet: 715234304 Equivalent to 42 /8s, 161 /16s and 156 /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: 118757 Total LACNIC prefixes after maximum aggregation: 28446 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117656 Unique aggregates announced from the LACNIC address blocks: 49332 LACNIC Region origin ASes present in the Internet Routing Table: 11040 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2359 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8873 Number of LACNIC addresses announced to Internet: 178400000 Equivalent to 10 /8s, 162 /16s and 43 /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: 30042 Total AfriNIC prefixes after maximum aggregation: 5988 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39272 Unique aggregates announced from the AfriNIC address blocks: 12681 AfriNIC Region origin ASes present in the Internet Routing Table: 1798 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 626 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1142 Number of AfriNIC addresses announced to Internet: 107478784 Equivalent to 6 /8s, 103 /16s and 255 /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 9524 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5713 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4255 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3613 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3603 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3315 1872 98 VNPT-AS-VN VNPT Corp, VN 9498 3232 491 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2570 851 373 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2192 442 203 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 9083 11003 3347 AMAZON-02, US 11492 4539 301 672 CABLEONE, US 7155 4161 288 96 VIASAT-SP-BACKBONE, US 6327 3547 1320 67 SHAW, CA 22773 3503 3034 288 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54942 2412 DNIC-AS-00749, US 367 3063 3866 1440 DNIC-ASBLK-00306-00371, US 16625 3054 1399 2313 AKAMAI-AS, US 396982 2709 3598 400 GOOGLE-CLOUD-PLATFORM, US 7018 2514 23614 1596 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 7402 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4019 3397 141 AKAMAI-ASN1, NL 8551 3444 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3421 297 1591 M247, RO 12389 2906 2297 917 ROSTELECOM-AS, RU 34984 2325 361 593 TELLCOM-AS, TR 58224 1664 913 569 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1497 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 11942 3371 615 UNINET, MX 10620 3544 504 860 Telmex Colombia S.A., CO 13999 2419 330 633 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1294 769 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 11664 1059 168 431 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 1606 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1046 67 53 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 520 54 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 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 11942 3371 615 UNINET, MX 9808 9524 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9083 11003 3347 AMAZON-02, US 12479 7402 1713 145 UNI2-AS, ES 7545 5713 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4539 301 672 CABLEONE, US 18403 4255 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4161 288 96 VIASAT-SP-BACKBONE, US 20940 4019 3397 141 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 9524 9484 CHINAMOBILE-CN China Mobile Communications Grou 12479 7402 7257 UNI2-AS, ES 16509 9083 5736 AMAZON-02, US 7545 5713 5020 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4255 4230 FPT-AS-AP FPT Telecom Company, VN 7155 4161 4065 VIASAT-SP-BACKBONE, US 20940 4019 3878 AKAMAI-ASN1, NL 11492 4539 3867 CABLEONE, US 7552 3613 3593 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 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 17054 EXPEDIENT, 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 6461 ZAYO-6461, 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 23.151.137.0/24 Origin: 64289 MAC-ARNE-LLC, US 23.151.137.0/24 Transit: 1828 UNITAS, 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 /11:100 /12:299 /13:578 /14:1193 /15:2056 /16:13414 /17:8212 /18:13651 /19:24772 /20:43158 /21:51061 /22:109692 /23:98708 /24:558700 /25:0 /26:2 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6492 7402 UNI2-AS, ES 8151 5968 11942 UNINET, MX 11492 3452 4539 CABLEONE, US 6327 3356 3547 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3109 4161 VIASAT-SP-BACKBONE, US 8551 2921 3444 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2570 3503 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2147 2492 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2118 3544 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) ---------------------------------------------- 1:2222 2:1432 3:271 4:5 5:4385 6:159 7:6 8:1499 9:1 11:172 12:1496 13:356 14:2312 15:303 16:202 17:366 18:663 20:315 21:4 22:188 23:6476 24:2537 25:2 27:2587 29:19 31:2548 32:66 34:29 35:115 36:2023 37:4466 38:5495 39:865 40:149 41:3965 42:2064 43:2270 44:324 45:16689 46:4352 47:372 49:1861 50:1870 51:577 52:1584 54:390 55:885 56:5 57:125 58:1814 59:1112 60:1011 61:2571 62:2653 63:1896 64:5514 65:2343 66:4964 67:3049 68:1340 69:4129 70:1184 71:624 72:2938 74:2625 75:1568 76:637 77:2330 78:1828 79:3004 80:2104 81:1834 82:1523 83:1302 84:1599 85:2992 86:769 87:1937 88:1226 89:3946 90:625 91:7852 92:2127 93:2626 94:3560 95:4002 96:1302 97:315 98:1083 99:735 100:91 101:1380 102:2907 103:32127 104:4766 105:574 106:979 107:2778 108:1135 109:4245 110:2133 111:3133 112:2058 113:1736 114:1698 115:1989 116:1913 117:2550 118:2702 119:1944 120:1749 121:1183 122:2607 123:2174 124:1576 125:2596 128:1398 129:908 130:1045 131:1967 132:807 133:408 134:1688 135:300 136:909 137:978 138:2699 139:1569 140:1323 141:1330 142:1534 143:1520 144:996 145:342 146:1959 147:1622 148:2452 149:2356 150:877 151:1242 152:1836 153:533 154:5281 155:1399 156:2082 157:1354 158:1058 159:2189 160:2616 161:1596 162:3505 163:1602 164:1668 165:1839 166:1064 167:1745 168:3839 169:788 170:4647 171:955 172:3863 173:2993 174:976 175:1189 176:3613 177:4474 178:3532 179:2146 180:2286 181:3579 182:3366 183:1988 184:2255 185:20595 186:4710 187:4187 188:4053 189:3895 190:9309 191:1406 192:10947 193:8954 194:7302 195:5213 196:3124 197:2552 198:5929 199:6428 200:7965 201:6188 202:10220 203:10017 204:4536 205:3685 206:4329 207:3416 208:4097 209:4880 210:4218 211:2447 212:4254 213:3399 214:1118 215:71 216:6705 217:2765 218:1276 219:409 220:1801 221:996 222:679 223:2157 End of report