IPv4 R&E Routing Table Report 23:05 GMT Sun 21 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: 930527 Prefixes after maximum aggregation (per Origin AS): 355817 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455566 Number of IPv4 prefixes with a valid ROA: 436590 Number of IPv4 prefixes with an invalid ROA: 1316 Number of IPv4 prefixes with no ROA: 492621 Total ASes present in the Internet Routing Table: 75083 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64620 Origin ASes announcing only one prefix: 26537 Transit ASes present in the Internet Routing Table: 10463 Transit-only ASes present in the Internet Routing Table: 455 Paths with bogon ASNs present in the IPv4 Routing Table: 7 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: 1071 Number of instances of unregistered ASNs: 1073 Number of 32-bit ASNs allocated by the RIRs: 43438 Number of 32-bit ASNs visible in the Routing Table: 35659 Prefixes from 32-bit ASNs in the Routing Table: 179294 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: 478 Number of addresses announced to Internet: 3046472704 Equivalent to 181 /8s, 149 /16s and 124 /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: 308814 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244820 Total APNIC prefixes after maximum aggregation: 71804 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 237842 Unique aggregates announced from the APNIC address blocks: 99723 APNIC Region origin ASes present in the Internet Routing Table: 13835 APNIC Prefixes per ASN: 17.19 APNIC Region origin ASes announcing only one prefix: 4165 APNIC Region transit ASes present in the Internet Routing Table: 1849 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9246 Number of APNIC addresses announced to Internet: 774269440 Equivalent to 46 /8s, 38 /16s and 106 /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: 272344 Total ARIN prefixes after maximum aggregation: 123588 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277037 Unique aggregates announced from the ARIN address blocks: 131958 ARIN Region origin ASes present in the Internet Routing Table: 19023 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1856 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: 4823 Number of ARIN addresses announced to Internet: 1271795968 Equivalent to 75 /8s, 206 /16s and 17 /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: 261662 Total RIPE prefixes after maximum aggregation: 125092 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256310 Unique aggregates announced from the RIPE address blocks: 161128 RIPE Region origin ASes present in the Internet Routing Table: 28516 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12121 RIPE Region transit ASes present in the Internet Routing Table: 3894 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11539 Number of RIPE addresses announced to Internet: 714369024 Equivalent to 42 /8s, 148 /16s and 104 /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: 120068 Total LACNIC prefixes after maximum aggregation: 28591 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 118732 Unique aggregates announced from the LACNIC address blocks: 49490 LACNIC Region origin ASes present in the Internet Routing Table: 11045 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2649 LACNIC Region transit ASes present in the Internet Routing Table: 2357 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: 8893 Number of LACNIC addresses announced to Internet: 178029824 Equivalent to 10 /8s, 156 /16s and 133 /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: 30562 Total AfriNIC prefixes after maximum aggregation: 6027 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 40128 Unique aggregates announced from the AfriNIC address blocks: 12869 AfriNIC Region origin ASes present in the Internet Routing Table: 1812 AfriNIC Prefixes per ASN: 22.15 AfriNIC Region origin ASes announcing only one prefix: 648 AfriNIC Region transit ASes present in the Internet Routing Table: 351 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1158 Number of AfriNIC addresses announced to Internet: 107725568 Equivalent to 6 /8s, 107 /16s and 195 /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 9769 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5680 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4575 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3860 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3602 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3445 499 255 BBIL-AP BHARTI Airtel Ltd., IN 45899 3276 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2679 859 359 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2185 434 196 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 9456 11227 3409 AMAZON-02, US 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3568 1319 69 SHAW, CA 22773 3507 3041 294 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3253 1421 2328 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2957 3828 1420 DNIC-ASBLK-00306-00371, US 396982 2746 3639 390 GOOGLE-CLOUD-PLATFORM, US 7018 2514 23621 1582 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 7561 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3989 3396 132 AKAMAI-ASN1, NL 9009 3334 289 1599 M247, RO 12389 2990 2302 914 ROSTELECOM-AS, RU 8551 2816 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2327 359 600 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1509 867 579 TCI, IR 8452 1485 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 12335 3380 615 UNINET, MX 10620 3527 497 884 Telmex Colombia S.A., CO 13999 2495 338 638 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1233 340 498 Axtel, S.A.B. de C.V., MX 11664 1118 178 424 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1076 118 373 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 1530 389 16 LINKdotNET-AS, EG 36992 1365 1518 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1089 70 52 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 15399 539 56 54 WANANCHI-, KE 36914 524 82 3 KENET-AS, KE 24757 483 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 12335 3380 615 UNINET, MX 9808 9769 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9456 11227 3409 AMAZON-02, US 12479 7561 1714 146 UNI2-AS, ES 7545 5680 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4575 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3989 3396 132 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 9769 9718 CHINAMOBILE-CN China Mobile Communications Grou 12479 7561 7415 UNI2-AS, ES 16509 9456 6047 AMAZON-02, US 7545 5680 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4575 4550 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4567 3896 CABLEONE, US 20940 3989 3857 AKAMAI-ASN1, NL 7552 3860 3840 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 19589 UNALLOCATED 8.19.242.0/24 23314 ORLANDOTELCO, US 19589 UNALLOCATED 8.19.248.0/24 23314 ORLANDOTELCO, 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 19589 UNALLOCATED 8.26.112.0/23 23314 ORLANDOTELCO, 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 /12:300 /13:575 /14:1193 /15:2064 /16:13402 /17:8131 /18:13648 /19:24718 /20:43136 /21:51167 /22:109879 /23:98370 /24:563771 /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 6646 7561 UNI2-AS, ES 8151 6308 12335 UNINET, MX 11492 3481 4567 CABLEONE, US 6327 3374 3568 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2554 3507 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2292 2816 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2130 3527 Telmex Colombia S.A., CO 30036 2127 2470 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2294 2:1474 3:284 4:5 5:4440 6:163 7:6 8:1490 9:1 11:172 12:1481 13:375 14:2337 15:310 16:203 17:361 18:707 20:348 21:4 22:188 23:6596 24:2680 25:2 27:2517 29:19 31:2548 32:53 34:36 35:119 36:2152 37:4481 38:5965 39:888 40:149 41:4136 42:2211 43:2296 44:326 45:16728 46:4306 47:286 49:1898 50:1886 51:574 52:1591 54:362 55:861 56:5 57:132 58:1875 59:1147 60:1016 61:2598 62:2731 63:1907 64:5503 65:2339 66:4880 67:3042 68:1332 69:4081 70:1175 71:579 72:2919 74:2638 75:1554 76:621 77:2336 78:1830 79:2592 80:2129 81:1896 82:1525 83:1264 84:1630 85:3075 86:773 87:1959 88:1218 89:3963 90:660 91:7910 92:2180 93:2637 94:3594 95:4019 96:1286 97:319 98:1015 99:746 100:96 101:1166 102:3025 103:32466 104:4776 105:599 106:910 107:2745 108:1117 109:4042 110:2135 111:3139 112:2086 113:1727 114:1742 115:2000 116:1950 117:2638 118:2766 119:1946 120:1767 121:1260 122:2636 123:2171 124:1554 125:2801 126:28 128:1411 129:898 130:1067 131:1923 132:820 133:410 134:1708 135:308 136:919 137:999 138:2763 139:1563 140:1303 141:1348 142:1539 143:1529 144:1004 145:339 146:1987 147:1652 148:2517 149:2422 150:1016 151:1308 152:1962 153:528 154:5614 155:1368 156:2086 157:1404 158:1087 159:2203 160:2601 161:1615 162:3597 163:1668 164:1616 165:2092 166:1068 167:1700 168:3809 169:790 170:4665 171:992 172:3774 173:2998 174:892 175:1215 176:3621 177:4559 178:3521 179:2203 180:2359 181:3664 182:3414 183:2017 184:2279 185:20514 186:4819 187:4345 188:3987 189:3952 190:9343 191:1461 192:10995 193:8960 194:7354 195:5206 196:3177 197:2610 198:5889 199:7023 200:8044 201:6339 202:10121 203:10061 204:4568 205:3674 206:4384 207:3404 208:4093 209:4904 210:4337 211:2502 212:4219 213:3399 214:1109 215:44 216:6773 217:2772 218:1290 219:414 220:1819 221:1020 222:687 223:2198 End of report