IPv4 R&E Routing Table Report 23:05 GMT Tue 23 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: 930412 Prefixes after maximum aggregation (per Origin AS): 356014 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455663 Number of IPv4 prefixes with a valid ROA: 437208 Number of IPv4 prefixes with an invalid ROA: 1357 Number of IPv4 prefixes with no ROA: 491847 Total ASes present in the Internet Routing Table: 75113 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64649 Origin ASes announcing only one prefix: 26549 Transit ASes present in the Internet Routing Table: 10464 Transit-only ASes present in the Internet Routing Table: 462 Paths with bogon ASNs present in the IPv4 Routing Table: 8 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: 1087 Number of instances of unregistered ASNs: 1089 Number of 32-bit ASNs allocated by the RIRs: 43432 Number of 32-bit ASNs visible in the Routing Table: 35689 Prefixes from 32-bit ASNs in the Routing Table: 179391 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: 494 Number of addresses announced to Internet: 3046556928 Equivalent to 181 /8s, 150 /16s and 197 /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: 308563 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245008 Total APNIC prefixes after maximum aggregation: 71869 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238013 Unique aggregates announced from the APNIC address blocks: 99724 APNIC Region origin ASes present in the Internet Routing Table: 13838 APNIC Prefixes per ASN: 17.20 APNIC Region origin ASes announcing only one prefix: 4167 APNIC Region transit ASes present in the Internet Routing Table: 1848 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: 9254 Number of APNIC addresses announced to Internet: 774307328 Equivalent to 46 /8s, 38 /16s and 254 /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: 272383 Total ARIN prefixes after maximum aggregation: 123564 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277141 Unique aggregates announced from the ARIN address blocks: 132009 ARIN Region origin ASes present in the Internet Routing Table: 19025 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6952 ARIN Region transit ASes present in the Internet Routing Table: 1854 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: 4824 Number of ARIN addresses announced to Internet: 1271889664 Equivalent to 75 /8s, 207 /16s and 127 /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: 261714 Total RIPE prefixes after maximum aggregation: 125182 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256334 Unique aggregates announced from the RIPE address blocks: 161112 RIPE Region origin ASes present in the Internet Routing Table: 28524 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12120 RIPE Region transit ASes present in the Internet Routing Table: 3900 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: 11549 Number of RIPE addresses announced to Internet: 714321408 Equivalent to 42 /8s, 147 /16s and 174 /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: 119717 Total LACNIC prefixes after maximum aggregation: 28630 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118383 Unique aggregates announced from the LACNIC address blocks: 49526 LACNIC Region origin ASes present in the Internet Routing Table: 11048 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2364 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: 8899 Number of LACNIC addresses announced to Internet: 177996544 Equivalent to 10 /8s, 156 /16s and 3 /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: 30503 Total AfriNIC prefixes after maximum aggregation: 6046 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 40047 Unique aggregates announced from the AfriNIC address blocks: 12886 AfriNIC Region origin ASes present in the Internet Routing Table: 1817 AfriNIC Prefixes per ASN: 22.04 AfriNIC Region origin ASes announcing only one prefix: 653 AfriNIC Region transit ASes present in the Internet Routing Table: 346 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: 1163 Number of AfriNIC addresses announced to Internet: 107755776 Equivalent to 6 /8s, 108 /16s and 57 /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 9782 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5678 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4560 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3603 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3448 499 255 BBIL-AP BHARTI Airtel Ltd., IN 45899 3279 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2683 859 360 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 9471 11229 3413 AMAZON-02, US 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3567 1319 69 SHAW, CA 22773 3508 3043 295 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3226 1416 2304 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2973 3833 1436 DNIC-ASBLK-00306-00371, US 396982 2746 3639 390 GOOGLE-CLOUD-PLATFORM, US 7018 2513 23620 1581 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 7545 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 4001 3396 132 AKAMAI-ASN1, NL 9009 3323 288 1610 M247, RO 12389 2992 2302 914 ROSTELECOM-AS, RU 8551 2813 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2327 359 600 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1511 867 579 TCI, IR 8452 1480 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 12336 3380 614 UNINET, MX 10620 3527 497 884 Telmex Colombia S.A., CO 13999 2494 337 637 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 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1117 177 426 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1073 117 372 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 1528 389 16 LINKdotNET-AS, EG 36992 1365 1518 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1090 70 50 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 15399 540 56 54 WANANCHI-, KE 36914 537 82 3 KENET-AS, KE 24757 484 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 12336 3380 614 UNINET, MX 9808 9782 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9471 11229 3413 AMAZON-02, US 12479 7545 1714 146 UNI2-AS, ES 7545 5678 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4567 303 671 CABLEONE, US 18403 4560 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 4001 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 9782 9731 CHINAMOBILE-CN China Mobile Communications Grou 12479 7545 7399 UNI2-AS, ES 16509 9471 6058 AMAZON-02, US 7545 5678 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4560 4535 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4567 3896 CABLEONE, US 20940 4001 3869 AKAMAI-ASN1, NL 7552 3877 3857 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 /14:1192 /15:2064 /16:13397 /17:8127 /18:13635 /19:24712 /20:43131 /21:51180 /22:109896 /23:98358 /24:563672 /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 6636 7545 UNI2-AS, ES 8151 6309 12336 UNINET, MX 11492 3481 4567 CABLEONE, US 6327 3373 3567 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2554 3508 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2289 2813 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 2:1548 3:284 4:5 5:4442 6:163 7:6 8:1492 9:1 11:172 12:1482 13:375 14:2334 15:310 16:203 17:361 18:712 20:347 21:4 22:188 23:6603 24:2700 25:2 27:2552 29:19 31:2543 32:53 34:36 35:120 36:2158 37:4466 38:5997 39:889 40:151 41:4106 42:2205 43:2298 44:325 45:16719 46:4293 47:285 49:1894 50:1886 51:574 52:1592 54:362 55:851 56:5 57:134 58:1905 59:1147 60:1016 61:2602 62:2740 63:1907 64:5508 65:2340 66:4851 67:3041 68:1331 69:4084 70:1175 71:579 72:2916 74:2638 75:1554 76:622 77:2337 78:1832 79:2595 80:2122 81:1894 82:1527 83:1233 84:1630 85:3079 86:770 87:1958 88:1216 89:3959 90:658 91:7912 92:2183 93:2637 94:3599 95:4015 96:1291 97:319 98:1016 99:743 100:96 101:1166 102:3032 103:32464 104:4784 105:599 106:909 107:2746 108:1116 109:4031 110:2139 111:3140 112:2063 113:1722 114:1742 115:2002 116:1954 117:2638 118:2763 119:1951 120:1776 121:1261 122:2632 123:2170 124:1551 125:2797 126:28 128:1468 129:890 130:1067 131:1862 132:821 133:409 134:1707 135:307 136:919 137:1000 138:2773 139:1562 140:1304 141:1350 142:1542 143:1522 144:1007 145:340 146:1990 147:1658 148:2518 149:2433 150:1018 151:1312 152:1962 153:528 154:5561 155:1374 156:2087 157:1409 158:1087 159:2196 160:2599 161:1591 162:3601 163:1667 164:1618 165:2094 166:1075 167:1691 168:3816 169:790 170:4660 171:990 172:3788 173:2999 174:893 175:1216 176:3623 177:4526 178:3519 179:2184 180:2365 181:3650 182:3413 183:2015 184:2284 185:20515 186:4738 187:4336 188:3996 189:3959 190:9281 191:1459 192:10985 193:8970 194:7357 195:5208 196:3165 197:2649 198:5889 199:7046 200:8037 201:6323 202:10142 203:10066 204:4565 205:3665 206:4378 207:3404 208:4082 209:4903 210:4349 211:2506 212:4215 213:3402 214:1111 215:44 216:6779 217:2769 218:1289 219:414 220:1822 221:1021 222:688 223:2201 End of report