IPv4 R&E Routing Table Report 23:05 GMT Mon 08 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: 930404 Prefixes after maximum aggregation (per Origin AS): 356231 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 456024 Number of IPv4 prefixes with a valid ROA: 434792 Number of IPv4 prefixes with an invalid ROA: 1133 Number of IPv4 prefixes with no ROA: 494479 Total ASes present in the Internet Routing Table: 75001 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64596 Origin ASes announcing only one prefix: 26555 Transit ASes present in the Internet Routing Table: 10405 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: 1052 Number of instances of unregistered ASNs: 1054 Number of 32-bit ASNs allocated by the RIRs: 43336 Number of 32-bit ASNs visible in the Routing Table: 35581 Prefixes from 32-bit ASNs in the Routing Table: 178677 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: 456 Number of addresses announced to Internet: 3047396864 Equivalent to 181 /8s, 163 /16s and 150 /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: 309434 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244614 Total APNIC prefixes after maximum aggregation: 71592 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237706 Unique aggregates announced from the APNIC address blocks: 99552 APNIC Region origin ASes present in the Internet Routing Table: 13783 APNIC Prefixes per ASN: 17.25 APNIC Region origin ASes announcing only one prefix: 4147 APNIC Region transit ASes present in the Internet Routing Table: 1845 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: 9193 Number of APNIC addresses announced to Internet: 774127872 Equivalent to 46 /8s, 36 /16s and 65 /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: 273036 Total ARIN prefixes after maximum aggregation: 124298 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277780 Unique aggregates announced from the ARIN address blocks: 132926 ARIN Region origin ASes present in the Internet Routing Table: 19035 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1842 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: 4826 Number of ARIN addresses announced to Internet: 1273069824 Equivalent to 75 /8s, 225 /16s and 129 /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: 261504 Total RIPE prefixes after maximum aggregation: 124973 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256040 Unique aggregates announced from the RIPE address blocks: 160892 RIPE Region origin ASes present in the Internet Routing Table: 28474 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12127 RIPE Region transit ASes present in the Internet Routing Table: 3874 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: 714347776 Equivalent to 42 /8s, 148 /16s and 21 /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: 119699 Total LACNIC prefixes after maximum aggregation: 28644 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118447 Unique aggregates announced from the LACNIC address blocks: 49460 LACNIC Region origin ASes present in the Internet Routing Table: 11058 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2346 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: 8906 Number of LACNIC addresses announced to Internet: 177768192 Equivalent to 10 /8s, 152 /16s and 135 /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: 30499 Total AfriNIC prefixes after maximum aggregation: 6029 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39975 Unique aggregates announced from the AfriNIC address blocks: 12819 AfriNIC Region origin ASes present in the Internet Routing Table: 1815 AfriNIC Prefixes per ASN: 22.02 AfriNIC Region origin ASes announcing only one prefix: 645 AfriNIC Region transit ASes present in the Internet Routing Table: 340 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: 1160 Number of AfriNIC addresses announced to Internet: 107822848 Equivalent to 6 /8s, 109 /16s and 63 /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 9781 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5680 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4551 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3832 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3601 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3417 498 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3270 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2665 856 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2185 442 199 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 9431 11194 3366 AMAZON-02, US 11492 4564 303 677 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3567 1320 70 SHAW, CA 22773 3503 3037 289 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3210 1421 2325 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2952 3838 1416 DNIC-ASBLK-00306-00371, US 396982 2744 3639 390 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 7550 1714 146 UNI2-AS, ES 39891 4642 280 55 ALJAWWALSTC-AS, SA 20940 4005 3397 140 AKAMAI-ASN1, NL 9009 3466 298 1624 M247, RO 8551 2953 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2911 2301 912 ROSTELECOM-AS, RU 34984 2325 359 599 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1514 873 580 TCI, IR 8452 1467 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 12198 3384 594 UNINET, MX 10620 3523 497 888 Telmex Colombia S.A., CO 13999 2497 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 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1241 341 503 Axtel, S.A.B. de C.V., MX 11664 1109 178 419 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 24835 1548 545 28 RAYA-AS, EG 24863 1531 389 16 LINKdotNET-AS, EG 36992 1361 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1077 69 56 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 520 82 3 KENET-AS, KE 15399 515 53 42 WANANCHI-, 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 12198 3384 594 UNINET, MX 9808 9781 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9431 11194 3366 AMAZON-02, US 12479 7550 1714 146 UNI2-AS, ES 7545 5680 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4642 280 55 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 4005 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 9781 9731 CHINAMOBILE-CN China Mobile Communications Grou 12479 7550 7404 UNI2-AS, ES 16509 9431 6065 AMAZON-02, US 7545 5680 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4642 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 4005 3865 AKAMAI-ASN1, NL 7552 3832 3812 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 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 /12:301 /13:577 /14:1193 /15:2061 /16:13390 /17:8150 /18:13643 /19:24707 /20:43167 /21:51145 /22:109904 /23:99279 /24:562714 /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 6635 7550 UNI2-AS, ES 8151 6194 12198 UNINET, MX 11492 3478 4564 CABLEONE, US 6327 3372 3567 SHAW, CA 39891 3324 4642 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2556 3503 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2430 2953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2126 3523 Telmex Colombia S.A., CO 30036 2117 2461 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2278 2:1415 3:281 4:5 5:4412 6:164 7:6 8:1495 9:1 11:172 12:1486 13:375 14:2326 15:310 16:206 17:361 18:714 20:345 21:4 22:188 23:6573 24:2667 25:2 27:2504 29:19 31:2534 32:53 34:36 35:118 36:2147 37:4486 38:5828 39:884 40:147 41:4147 42:2203 43:2291 44:326 45:16635 46:4306 47:285 49:1894 50:1876 51:574 52:1591 54:368 55:894 56:5 57:127 58:1856 59:1108 60:1012 61:2582 62:2728 63:1903 64:5486 65:2336 66:4954 67:3036 68:1336 69:4079 70:1176 71:576 72:2908 74:2636 75:1558 76:622 77:2335 78:1824 79:2705 80:2114 81:1856 82:1530 83:1316 84:1608 85:3052 86:779 87:1958 88:1225 89:3941 90:659 91:7897 92:2177 93:2627 94:3583 95:4005 96:1288 97:315 98:1013 99:744 100:94 101:1154 102:3030 103:32464 104:4752 105:600 106:973 107:2738 108:1120 109:4061 110:2133 111:3156 112:2080 113:1721 114:1742 115:1998 116:1957 117:2634 118:2774 119:1945 120:1767 121:1249 122:2633 123:2173 124:1592 125:2766 126:28 128:1400 129:899 130:1063 131:1963 132:822 133:411 134:1710 135:304 136:913 137:992 138:2762 139:1552 140:1351 141:1339 142:1540 143:1527 144:999 145:336 146:1994 147:1639 148:2503 149:2415 150:1019 151:1310 152:1960 153:529 154:5489 155:1369 156:2086 157:1376 158:1082 159:2200 160:2611 161:1616 162:3589 163:1659 164:1615 165:2097 166:1057 167:1690 168:3828 169:793 170:4703 171:977 172:3774 173:2986 174:892 175:1215 176:3580 177:4583 178:3519 179:2214 180:2355 181:3650 182:3409 183:2020 184:2268 185:20461 186:4785 187:4312 188:3986 189:3958 190:9315 191:1469 192:10987 193:8948 194:7350 195:5204 196:3164 197:2593 198:5888 199:6897 200:8018 201:6241 202:10177 203:10034 204:4579 205:3648 206:4386 207:3374 208:4073 209:4909 210:4344 211:2496 212:4236 213:3382 214:1116 215:44 216:6777 217:2753 218:1293 219:414 220:1816 221:1019 222:687 223:2186 End of report