IPv4 R&E Routing Table Report 23:05 GMT Sun 07 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: 930313 Prefixes after maximum aggregation (per Origin AS): 356309 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 456036 Number of IPv4 prefixes with a valid ROA: 432481 Number of IPv4 prefixes with an invalid ROA: 2945 Number of IPv4 prefixes with no ROA: 494887 Total ASes present in the Internet Routing Table: 74999 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64592 Origin ASes announcing only one prefix: 26541 Transit ASes present in the Internet Routing Table: 10407 Transit-only ASes present in the Internet Routing Table: 453 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: 1068 Number of instances of unregistered ASNs: 1070 Number of 32-bit ASNs allocated by the RIRs: 43336 Number of 32-bit ASNs visible in the Routing Table: 35560 Prefixes from 32-bit ASNs in the Routing Table: 178641 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: 473 Number of addresses announced to Internet: 3047380992 Equivalent to 181 /8s, 163 /16s and 88 /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: 309205 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244661 Total APNIC prefixes after maximum aggregation: 71595 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237752 Unique aggregates announced from the APNIC address blocks: 99531 APNIC Region origin ASes present in the Internet Routing Table: 13780 APNIC Prefixes per ASN: 17.25 APNIC Region origin ASes announcing only one prefix: 4135 APNIC Region transit ASes present in the Internet Routing Table: 1846 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: 9186 Number of APNIC addresses announced to Internet: 774143488 Equivalent to 46 /8s, 36 /16s and 126 /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: 273138 Total ARIN prefixes after maximum aggregation: 124322 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277869 Unique aggregates announced from the ARIN address blocks: 132908 ARIN Region origin ASes present in the Internet Routing Table: 19039 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1843 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: 1273173760 Equivalent to 75 /8s, 227 /16s and 23 /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: 261257 Total RIPE prefixes after maximum aggregation: 125006 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 255797 Unique aggregates announced from the RIPE address blocks: 160943 RIPE Region origin ASes present in the Internet Routing Table: 28480 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12125 RIPE Region transit ASes present in the Internet Routing Table: 3875 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: 11496 Number of RIPE addresses announced to Internet: 714298880 Equivalent to 42 /8s, 147 /16s and 86 /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: 119693 Total LACNIC prefixes after maximum aggregation: 28658 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118439 Unique aggregates announced from the LACNIC address blocks: 49443 LACNIC Region origin ASes present in the Internet Routing Table: 11052 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2349 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: 8901 Number of LACNIC addresses announced to Internet: 177672448 Equivalent to 10 /8s, 151 /16s and 17 /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: 30496 Total AfriNIC prefixes after maximum aggregation: 6023 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39983 Unique aggregates announced from the AfriNIC address blocks: 12819 AfriNIC Region origin ASes present in the Internet Routing Table: 1811 AfriNIC Prefixes per ASN: 22.08 AfriNIC Region origin ASes announcing only one prefix: 642 AfriNIC Region transit ASes present in the Internet Routing Table: 341 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: 1155 Number of AfriNIC addresses announced to Internet: 107808768 Equivalent to 6 /8s, 109 /16s and 8 /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 9787 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4551 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3831 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3601 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3416 498 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3269 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2665 857 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2186 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 9436 11195 3353 AMAZON-02, US 11492 4564 303 677 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3567 1320 70 SHAW, CA 22773 3504 3037 291 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3206 1421 2326 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2967 3840 1416 DNIC-ASBLK-00306-00371, US 396982 2743 3639 389 GOOGLE-CLOUD-PLATFORM, US 7018 2506 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 7511 1714 146 UNI2-AS, ES 39891 4641 279 54 ALJAWWALSTC-AS, SA 20940 4001 3397 140 AKAMAI-ASN1, NL 9009 3468 298 1624 M247, RO 12389 2911 2301 912 ROSTELECOM-AS, RU 8551 2758 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2324 359 598 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1514 873 580 TCI, IR 8452 1465 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 12188 3384 598 UNINET, MX 10620 3523 497 888 Telmex Colombia S.A., CO 13999 2496 340 638 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1108 178 418 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1075 118 380 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 1548 545 28 RAYA-AS, EG 24863 1531 389 16 LINKdotNET-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1073 69 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 516 53 42 WANANCHI-, KE 36914 509 82 3 KENET-AS, KE 37342 481 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 12188 3384 598 UNINET, MX 9808 9787 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9436 11195 3353 AMAZON-02, US 12479 7511 1714 146 UNI2-AS, ES 7545 5679 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 279 54 ALJAWWALSTC-AS, SA 11492 4564 303 677 CABLEONE, US 18403 4551 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 4001 3397 140 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 9787 9737 CHINAMOBILE-CN China Mobile Communications Grou 12479 7511 7365 UNI2-AS, ES 16509 9436 6083 AMAZON-02, US 7545 5679 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 4587 ALJAWWALSTC-AS, SA 18403 4551 4526 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4564 3887 CABLEONE, US 20940 4001 3861 AKAMAI-ASN1, NL 7552 3831 3811 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 8.10.69.0/24 174 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 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 /10:36 /11:99 /12:301 /13:577 /14:1193 /15:2061 /16:13392 /17:8152 /18:13643 /19:24704 /20:43174 /21:51159 /22:109913 /23:99245 /24:562626 /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 6608 7511 UNI2-AS, ES 8151 6183 12188 UNINET, MX 11492 3478 4564 CABLEONE, US 6327 3372 3567 SHAW, CA 39891 3324 4641 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2555 3504 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2235 2758 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2126 3523 Telmex Colombia S.A., CO 30036 2119 2463 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2280 2:1410 3:281 4:5 5:4414 6:165 7:6 8:1495 9:1 11:172 12:1486 13:374 14:2327 15:309 16:206 17:361 18:712 20:345 21:4 22:188 23:6567 24:2668 25:2 27:2504 29:19 31:2535 32:53 34:36 35:118 36:2149 37:4486 38:5829 39:884 40:147 41:4108 42:2205 43:2292 44:325 45:16644 46:4312 47:285 49:1896 50:1878 51:574 52:1591 54:369 55:894 56:5 57:127 58:1855 59:1108 60:1012 61:2585 62:2750 63:1903 64:5483 65:2340 66:4956 67:3037 68:1336 69:4078 70:1175 71:572 72:2909 74:2638 75:1559 76:622 77:2339 78:1827 79:2507 80:2110 81:1856 82:1525 83:1320 84:1607 85:3027 86:779 87:1972 88:1225 89:3945 90:657 91:7897 92:2178 93:2629 94:3582 95:4004 96:1287 97:315 98:1013 99:744 100:94 101:1154 102:3026 103:32458 104:4753 105:600 106:973 107:2736 108:1122 109:4063 110:2136 111:3163 112:2080 113:1722 114:1743 115:2007 116:1955 117:2634 118:2775 119:1946 120:1767 121:1250 122:2633 123:2173 124:1593 125:2766 128:1402 129:899 130:1066 131:1978 132:822 133:411 134:1708 135:304 136:913 137:993 138:2760 139:1554 140:1348 141:1337 142:1540 143:1528 144:998 145:335 146:1999 147:1636 148:2507 149:2412 150:1019 151:1311 152:1959 153:529 154:5498 155:1377 156:2093 157:1381 158:1081 159:2199 160:2611 161:1615 162:3588 163:1662 164:1612 165:2095 166:1063 167:1692 168:3809 169:791 170:4702 171:977 172:3769 173:2998 174:891 175:1215 176:3574 177:4616 178:3524 179:2221 180:2353 181:3650 182:3412 183:2021 184:2269 185:20443 186:4786 187:4309 188:3986 189:3950 190:9321 191:1457 192:10994 193:8949 194:7357 195:5211 196:3166 197:2633 198:5887 199:6892 200:8014 201:6239 202:10178 203:10038 204:4570 205:3665 206:4404 207:3378 208:4076 209:4921 210:4344 211:2496 212:4221 213:3380 214:1111 215:50 216:6773 217:2751 218:1295 219:414 220:1819 221:1019 222:687 223:2187 End of report