IPv4 R&E Routing Table Report 23:05 GMT Sat 18 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: 927599 Prefixes after maximum aggregation (per Origin AS): 354543 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454486 Number of IPv4 prefixes with a valid ROA: 428769 Number of IPv4 prefixes with an invalid ROA: 1357 Number of IPv4 prefixes with no ROA: 497473 Total ASes present in the Internet Routing Table: 74859 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64405 Origin ASes announcing only one prefix: 26467 Transit ASes present in the Internet Routing Table: 10454 Transit-only ASes present in the Internet Routing Table: 460 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1035 Number of instances of unregistered ASNs: 1037 Number of 32-bit ASNs allocated by the RIRs: 43070 Number of 32-bit ASNs visible in the Routing Table: 35347 Prefixes from 32-bit ASNs in the Routing Table: 176833 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: 532 Number of addresses announced to Internet: 3048457728 Equivalent to 181 /8s, 179 /16s and 198 /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: 309571 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243329 Total APNIC prefixes after maximum aggregation: 70910 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236558 Unique aggregates announced from the APNIC address blocks: 99114 APNIC Region origin ASes present in the Internet Routing Table: 13676 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4103 APNIC Region transit ASes present in the Internet Routing Table: 1829 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9072 Number of APNIC addresses announced to Internet: 771117824 Equivalent to 45 /8s, 246 /16s and 83 /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: 272072 Total ARIN prefixes after maximum aggregation: 123810 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276709 Unique aggregates announced from the ARIN address blocks: 132164 ARIN Region origin ASes present in the Internet Routing Table: 19025 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1884 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4819 Number of ARIN addresses announced to Internet: 1276201472 Equivalent to 76 /8s, 17 /16s and 74 /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: 261902 Total RIPE prefixes after maximum aggregation: 124572 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256467 Unique aggregates announced from the RIPE address blocks: 160670 RIPE Region origin ASes present in the Internet Routing Table: 28477 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12104 RIPE Region transit ASes present in the Internet Routing Table: 3909 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: 11439 Number of RIPE addresses announced to Internet: 714933504 Equivalent to 42 /8s, 157 /16s and 5 /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: 119252 Total LACNIC prefixes after maximum aggregation: 28532 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118072 Unique aggregates announced from the LACNIC address blocks: 49329 LACNIC Region origin ASes present in the Internet Routing Table: 11021 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2326 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8868 Number of LACNIC addresses announced to Internet: 178313216 Equivalent to 10 /8s, 160 /16s and 216 /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: 30009 Total AfriNIC prefixes after maximum aggregation: 6012 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 39261 Unique aggregates announced from the AfriNIC address blocks: 12771 AfriNIC Region origin ASes present in the Internet Routing Table: 1803 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 630 AfriNIC Region transit ASes present in the Internet Routing Table: 338 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1149 Number of AfriNIC addresses announced to Internet: 107461120 Equivalent to 6 /8s, 103 /16s and 186 /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 9708 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5699 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4307 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3635 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3598 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3263 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3262 494 245 BBIL-AP BHARTI Airtel Ltd., IN 24560 2585 852 376 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2281 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2192 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 9276 11133 3317 AMAZON-02, US 11492 4556 302 675 CABLEONE, US 7155 4163 288 95 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3508 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 16625 3055 1386 2292 AKAMAI-AS, US 367 3016 3868 1421 DNIC-ASBLK-00306-00371, US 396982 2722 3631 374 GOOGLE-CLOUD-PLATFORM, US 7018 2526 23620 1592 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 7461 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4011 3397 141 AKAMAI-ASN1, NL 8551 3437 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3425 297 1587 M247, RO 12389 2901 2295 913 ROSTELECOM-AS, RU 34984 2321 361 588 TELLCOM-AS, TR 58224 1651 910 584 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1524 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 12062 3374 609 UNINET, MX 10620 3527 499 871 Telmex Colombia S.A., CO 13999 2457 335 642 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad 28573 1332 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1298 778 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1101 369 22 Telefonica del Peru S.A.A., PE 11664 1074 172 436 Techtel LMDS Comunicaciones Interactiva 26615 1039 2502 52 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 1548 545 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 43 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 37342 492 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 12062 3374 609 UNINET, MX 9808 9708 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9276 11133 3317 AMAZON-02, US 12479 7461 1713 145 UNI2-AS, ES 7545 5699 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4556 302 675 CABLEONE, US 18403 4307 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4163 288 95 VIASAT-SP-BACKBONE, US 20940 4011 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 9708 9667 CHINAMOBILE-CN China Mobile Communications Grou 12479 7461 7316 UNI2-AS, ES 16509 9276 5959 AMAZON-02, US 7545 5699 5003 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4307 4282 FPT-AS-AP FPT Telecom Company, VN 7155 4163 4068 VIASAT-SP-BACKBONE, US 11492 4556 3881 CABLEONE, US 20940 4011 3870 AKAMAI-ASN1, NL 7552 3635 3615 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 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 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /12:299 /13:578 /14:1194 /15:2056 /16:13412 /17:8215 /18:13672 /19:24790 /20:43136 /21:51094 /22:109922 /23:98966 /24:560089 /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 6550 7461 UNI2-AS, ES 8151 6075 12062 UNINET, MX 11492 3469 4556 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3112 4163 VIASAT-SP-BACKBONE, US 8551 2914 3437 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2563 3508 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2136 2481 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2120 3527 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) ---------------------------------------------- 1:2228 2:1510 3:275 4:5 5:4377 6:162 7:6 8:1502 9:1 11:172 12:1493 13:366 14:2319 15:304 16:206 17:362 18:673 20:318 21:4 22:188 23:6476 24:2556 25:2 27:2579 29:19 31:2565 32:55 34:33 35:115 36:2025 37:4443 38:5606 39:877 40:149 41:3951 42:2079 43:2293 44:329 45:16670 46:4342 47:373 49:1865 50:1878 51:573 52:1591 54:393 55:885 56:5 57:126 58:1822 59:1112 60:1010 61:2587 62:2701 63:1894 64:5496 65:2351 66:4965 67:3060 68:1345 69:4126 70:1181 71:606 72:2921 74:2626 75:1563 76:624 77:2342 78:1829 79:3018 80:2112 81:1843 82:1513 83:1305 84:1595 85:2971 86:776 87:1950 88:1230 89:3946 90:628 91:7877 92:2145 93:2649 94:3560 95:4004 96:1297 97:315 98:1080 99:737 100:96 101:1388 102:2949 103:32352 104:4744 105:575 106:976 107:2780 108:1131 109:4192 110:2127 111:3127 112:2069 113:1670 114:1714 115:1993 116:1912 117:2557 118:2727 119:1950 120:1767 121:1191 122:2611 123:2181 124:1580 125:2633 128:1425 129:904 130:1050 131:1974 132:814 133:408 134:1715 135:299 136:919 137:984 138:2701 139:1557 140:1327 141:1328 142:1526 143:1525 144:1003 145:339 146:1967 147:1630 148:2462 149:2338 150:1010 151:1249 152:1832 153:523 154:5326 155:1385 156:2075 157:1350 158:1058 159:2199 160:2611 161:1600 162:3555 163:1611 164:1643 165:1855 166:1072 167:1754 168:3828 169:786 170:4645 171:971 172:3757 173:2987 174:951 175:1191 176:3607 177:4573 178:3521 179:2173 180:2269 181:3594 182:3377 183:2007 184:2272 185:20586 186:4763 187:4243 188:4049 189:3947 190:9335 191:1449 192:10982 193:8960 194:7295 195:5191 196:3123 197:2475 198:5920 199:6505 200:8005 201:6237 202:10239 203:10014 204:4540 205:3667 206:4353 207:3411 208:4085 209:4887 210:4233 211:2479 212:4256 213:3395 214:1115 215:66 216:6708 217:2766 218:1290 219:413 220:1797 221:1002 222:688 223:2180 End of report