IPv4 R&E Routing Table Report 23:05 GMT Thu 21 Sep, 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: 923260 Prefixes after maximum aggregation (per Origin AS): 351945 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453129 Number of IPv4 prefixes with a valid ROA: 420805 Number of IPv4 prefixes with an invalid ROA: 1676 Number of IPv4 prefixes with no ROA: 500779 Total ASes present in the Internet Routing Table: 74651 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64215 Origin ASes announcing only one prefix: 26349 Transit ASes present in the Internet Routing Table: 10436 Transit-only ASes present in the Internet Routing Table: 449 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1016 Number of instances of unregistered ASNs: 1018 Number of 32-bit ASNs allocated by the RIRs: 42652 Number of 32-bit ASNs visible in the Routing Table: 35063 Prefixes from 32-bit ASNs in the Routing Table: 174896 Number of bogon 32-bit ASNs visible in the Routing Table: 49 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 547 Number of addresses announced to Internet: 3053513216 Equivalent to 182 /8s, 0 /16s and 234 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 308253 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241318 Total APNIC prefixes after maximum aggregation: 70164 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234971 Unique aggregates announced from the APNIC address blocks: 98875 APNIC Region origin ASes present in the Internet Routing Table: 13555 APNIC Prefixes per ASN: 17.33 APNIC Region origin ASes announcing only one prefix: 4026 APNIC Region transit ASes present in the Internet Routing Table: 1814 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8948 Number of APNIC addresses announced to Internet: 772219648 Equivalent to 46 /8s, 7 /16s and 35 /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: 271323 Total ARIN prefixes after maximum aggregation: 123331 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274602 Unique aggregates announced from the ARIN address blocks: 131667 ARIN Region origin ASes present in the Internet Routing Table: 19044 ARIN Prefixes per ASN: 14.42 ARIN Region origin ASes announcing only one prefix: 6952 ARIN Region transit ASes present in the Internet Routing Table: 1879 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4815 Number of ARIN addresses announced to Internet: 1277977088 Equivalent to 76 /8s, 44 /16s and 98 /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: 261310 Total RIPE prefixes after maximum aggregation: 123424 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256757 Unique aggregates announced from the RIPE address blocks: 160039 RIPE Region origin ASes present in the Internet Routing Table: 28402 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12054 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: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11331 Number of RIPE addresses announced to Internet: 716791040 Equivalent to 42 /8s, 185 /16s and 93 /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: 118279 Total LACNIC prefixes after maximum aggregation: 28334 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117231 Unique aggregates announced from the LACNIC address blocks: 49253 LACNIC Region origin ASes present in the Internet Routing Table: 11019 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2695 LACNIC Region transit ASes present in the Internet Routing Table: 2330 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8838 Number of LACNIC addresses announced to Internet: 178335744 Equivalent to 10 /8s, 161 /16s and 48 /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: 30014 Total AfriNIC prefixes after maximum aggregation: 5986 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 39152 Unique aggregates announced from the AfriNIC address blocks: 12843 AfriNIC Region origin ASes present in the Internet Routing Table: 1787 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 622 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 1131 Number of AfriNIC addresses announced to Internet: 107752448 Equivalent to 6 /8s, 108 /16s and 44 /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 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5727 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4294 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3743 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3593 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3320 1824 97 VNPT-AS-VN VNPT Corp, VN 9498 3150 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2515 849 387 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2185 442 201 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 9137 11003 3248 AMAZON-02, US 11492 4531 301 669 CABLEONE, US 7155 4177 288 98 VIASAT-SP-BACKBONE, US 6327 3541 1319 66 SHAW, CA 22773 3540 3039 302 ASN-CXA-ALL-CCI-22773-RDC, US 749 3151 54959 2403 DNIC-AS-00749, US 367 2995 3842 1432 DNIC-ASBLK-00306-00371, US 16625 2977 1418 2269 AKAMAI-AS, US 396982 2698 3597 392 GOOGLE-CLOUD-PLATFORM, US 7018 2500 23674 1559 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 7392 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4047 3398 152 AKAMAI-ASN1, NL 8551 3457 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2905 2296 913 ROSTELECOM-AS, RU 9009 2734 254 1395 M247, RO 34984 2333 362 592 TELLCOM-AS, TR 58224 1747 928 513 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1476 1852 16 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 11838 3368 601 UNINET, MX 10620 3542 506 852 Telmex Colombia S.A., CO 13999 2402 334 623 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1327 2324 232 Claro NXT Telecomunicacoes Ltda, BR 3816 1296 764 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1293 344 507 Axtel, S.A.B. de C.V., MX 11664 1119 182 427 Techtel LMDS Comunicaciones Interactiva 6147 1112 369 22 Telefonica del Peru S.A.A., PE 26615 1035 2501 49 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 1607 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 937 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 520 55 49 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 478 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 11838 3368 601 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9137 11003 3248 AMAZON-02, US 12479 7392 1713 145 UNI2-AS, ES 7545 5727 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4531 301 669 CABLEONE, US 18403 4294 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 98 VIASAT-SP-BACKBONE, US 20940 4047 3398 152 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7392 7247 UNI2-AS, ES 16509 9137 5889 AMAZON-02, US 7545 5727 5037 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4294 4269 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4079 VIASAT-SP-BACKBONE, US 20940 4047 3895 AKAMAI-ASN1, NL 11492 4531 3862 CABLEONE, US 7552 3743 3723 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 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 23.176.160.0/24 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 /10:38 /11:101 /12:297 /13:575 /14:1195 /15:2096 /16:13443 /17:8192 /18:13721 /19:24822 /20:43180 /21:50912 /22:109600 /23:98679 /24:556370 /25:0 /26:1 /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 6479 7392 UNI2-AS, ES 8151 5867 11838 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3443 4531 CABLEONE, US 6327 3352 3541 SHAW, CA 7155 3123 4177 VIASAT-SP-BACKBONE, US 8551 2925 3457 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2590 3540 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2156 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2106 3542 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) ---------------------------------------------- 1:2212 2:1407 3:264 4:5 5:4505 6:135 7:6 8:1501 9:1 11:172 12:1513 13:374 14:2320 15:303 16:192 17:368 18:658 20:286 21:4 22:188 23:6400 24:2495 25:2 27:2581 29:19 31:2526 32:74 34:27 35:114 36:1999 37:4516 38:5350 39:870 40:147 41:4020 42:2073 43:2273 44:321 45:16594 46:4272 47:370 49:1824 50:1879 51:598 52:1595 54:393 55:962 56:5 57:123 58:1797 59:1117 60:1001 61:2540 62:2680 63:1913 64:5656 65:2353 66:4913 67:3030 68:1340 69:4141 70:1190 71:663 72:2938 74:2607 75:1561 76:625 77:2293 78:1826 79:2986 80:2110 81:1839 82:1479 83:1292 84:1530 85:3064 86:766 87:2008 88:1169 89:3880 90:620 91:7805 92:2065 93:2615 94:3515 95:4021 96:1299 97:315 98:1078 99:735 100:90 101:1315 102:2868 103:32065 104:4723 105:576 106:892 107:2686 108:1125 109:4220 110:2126 111:3139 112:2059 113:1748 114:1659 115:1997 116:1886 117:2534 118:2701 119:1959 120:1776 121:1122 122:2594 123:2151 124:1567 125:2509 128:1417 129:912 130:1034 131:1964 132:858 133:408 134:1779 135:306 136:974 137:971 138:2620 139:1567 140:1156 141:1317 142:1503 143:1546 144:1002 145:351 146:1935 147:1598 148:2430 149:2255 150:873 151:1229 152:1980 153:519 154:5096 155:1379 156:1932 157:1343 158:1086 159:2244 160:2616 161:1586 162:3527 163:1603 164:1683 165:1860 166:1058 167:1741 168:3726 169:879 170:4642 171:921 172:3751 173:2961 174:983 175:1183 176:3765 177:4453 178:3526 179:2126 180:2490 181:3502 182:3315 183:2000 184:2283 185:20586 186:4712 187:4184 188:4157 189:3844 190:9205 191:1364 192:10972 193:8947 194:7286 195:5207 196:3181 197:2438 198:5903 199:6124 200:7818 201:6030 202:10184 203:9989 204:4539 205:3678 206:4319 207:3390 208:4139 209:4909 210:4204 211:2439 212:4271 213:3397 214:1111 215:57 216:6681 217:2778 218:1267 219:405 220:1800 221:981 222:667 223:2145 End of report