IPv4 R&E Routing Table Report 23:05 GMT Mon 05 Feb, 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: 932229 Prefixes after maximum aggregation (per Origin AS): 356221 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456623 Number of IPv4 prefixes with a valid ROA: 440610 Number of IPv4 prefixes with an invalid ROA: 1089 Number of IPv4 prefixes with no ROA: 490530 Total ASes present in the Internet Routing Table: 75128 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64662 Origin ASes announcing only one prefix: 26538 Transit ASes present in the Internet Routing Table: 10466 Transit-only ASes present in the Internet Routing Table: 460 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: 1093 Number of instances of unregistered ASNs: 1095 Number of 32-bit ASNs allocated by the RIRs: 43573 Number of 32-bit ASNs visible in the Routing Table: 35729 Prefixes from 32-bit ASNs in the Routing Table: 180217 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: 497 Number of addresses announced to Internet: 3041474816 Equivalent to 181 /8s, 73 /16s and 57 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 309176 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245369 Total APNIC prefixes after maximum aggregation: 72025 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238166 Unique aggregates announced from the APNIC address blocks: 99861 APNIC Region origin ASes present in the Internet Routing Table: 13860 APNIC Prefixes per ASN: 17.18 APNIC Region origin ASes announcing only one prefix: 4180 APNIC Region transit ASes present in the Internet Routing Table: 1851 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9279 Number of APNIC addresses announced to Internet: 773956096 Equivalent to 46 /8s, 33 /16s and 162 /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: 273442 Total ARIN prefixes after maximum aggregation: 123467 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278187 Unique aggregates announced from the ARIN address blocks: 132209 ARIN Region origin ASes present in the Internet Routing Table: 19044 ARIN Prefixes per ASN: 14.61 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1855 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: 4839 Number of ARIN addresses announced to Internet: 1269418752 Equivalent to 75 /8s, 169 /16s and 203 /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: 261552 Total RIPE prefixes after maximum aggregation: 125300 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256333 Unique aggregates announced from the RIPE address blocks: 161206 RIPE Region origin ASes present in the Internet Routing Table: 28510 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12096 RIPE Region transit ASes present in the Internet Routing Table: 3904 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: 11548 Number of RIPE addresses announced to Internet: 713387776 Equivalent to 42 /8s, 133 /16s and 111 /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: 120428 Total LACNIC prefixes after maximum aggregation: 28617 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119061 Unique aggregates announced from the LACNIC address blocks: 49571 LACNIC Region origin ASes present in the Internet Routing Table: 11040 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2644 LACNIC Region transit ASes present in the Internet Routing Table: 2361 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: 8895 Number of LACNIC addresses announced to Internet: 177337088 Equivalent to 10 /8s, 145 /16s and 243 /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: 30345 Total AfriNIC prefixes after maximum aggregation: 6095 AfriNIC Deaggregation factor: 4.98 Prefixes being announced from the AfriNIC address blocks: 39985 Unique aggregates announced from the AfriNIC address blocks: 13365 AfriNIC Region origin ASes present in the Internet Routing Table: 1819 AfriNIC Prefixes per ASN: 21.98 AfriNIC Region origin ASes announcing only one prefix: 647 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1168 Number of AfriNIC addresses announced to Internet: 107085568 Equivalent to 6 /8s, 97 /16s and 255 /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 9817 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4598 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3878 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3603 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3479 499 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3282 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2691 859 380 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2187 434 197 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 9641 11224 3376 AMAZON-02, US 11492 4579 304 657 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3613 3041 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3592 1320 74 SHAW, CA 16625 3230 1415 2304 AKAMAI-AS, US 749 3185 54927 2437 DNIC-AS-00749, US 174 3019 6636 660 COGENT-174, US 367 2921 3723 1418 DNIC-ASBLK-00306-00371, US 396982 2754 3639 394 GOOGLE-CLOUD-PLATFORM, 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 7586 1698 148 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3892 3396 132 AKAMAI-ASN1, NL 9009 3282 285 1591 M247, RO 12389 2882 2301 908 ROSTELECOM-AS, RU 8551 2703 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2343 362 596 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1497 1852 14 TE-AS TE-AS, EG 58224 1495 853 589 TCI, IR 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 12384 3383 615 UNINET, MX 10620 3520 496 895 Telmex Colombia S.A., CO 13999 2502 337 640 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1325 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1128 178 423 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1072 117 374 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 1529 389 16 LINKdotNET-AS, EG 36992 1364 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1113 71 54 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 535 82 3 KENET-AS, KE 15399 525 55 53 WANANCHI-, KE 24757 489 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 12384 3383 615 UNINET, MX 9808 9817 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9641 11224 3376 AMAZON-02, US 12479 7586 1698 148 UNI2-AS, ES 7545 5679 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4598 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4579 304 657 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3892 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 9817 9766 CHINAMOBILE-CN China Mobile Communications Grou 12479 7586 7438 UNI2-AS, ES 16509 9641 6265 AMAZON-02, US 7545 5679 4994 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4598 4573 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4579 3922 CABLEONE, US 7552 3878 3857 VIETEL-AS-AP Viettel Group, VN 20940 3892 3760 AKAMAI-ASN1, NL 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 23.164.72.0/24 Origin: 49195 SSAC, CN 23.164.72.0/24 Transit: 20473 AS-CHOOPA, 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 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 /11:98 /12:300 /13:574 /14:1192 /15:2063 /16:13330 /17:8096 /18:13546 /19:24642 /20:43140 /21:51197 /22:109886 /23:98745 /24:565346 /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 6703 7586 UNI2-AS, ES 8151 6355 12384 UNINET, MX 11492 3493 4579 CABLEONE, US 6327 3391 3592 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2659 3613 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2179 2703 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2126 3520 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) ---------------------------------------------- 1:2305 2:1526 3:296 4:5 5:4451 6:163 7:6 8:1493 9:1 11:172 12:1481 13:377 14:2336 15:311 16:203 17:360 18:728 20:352 21:4 22:188 23:6581 24:2705 25:2 27:2550 29:19 31:2559 32:53 34:36 35:121 36:2165 37:4486 38:6712 39:899 40:152 41:4074 42:2214 43:2299 44:323 45:16808 46:4319 47:286 49:1898 50:1894 51:572 52:1593 54:359 55:879 56:5 57:143 58:1965 59:1145 60:1018 61:2623 62:2710 63:1921 64:5522 65:2338 66:4879 67:3060 68:1336 69:4090 70:1197 71:579 72:2919 74:2648 75:1556 76:628 77:2352 78:1840 79:2514 80:2133 81:1885 82:1514 83:1245 84:1623 85:3093 86:774 87:1961 88:1219 89:3943 90:668 91:7921 92:2190 93:2614 94:3609 95:4041 96:1289 97:318 98:1030 99:744 100:95 101:1155 102:3053 103:32379 104:4777 105:595 106:916 107:2757 108:1126 109:4012 110:2146 111:3154 112:2061 113:1735 114:1746 115:1979 116:1953 117:2634 118:2757 119:1942 120:1784 121:1261 122:2631 123:2195 124:1559 125:2805 126:28 128:1459 129:915 130:1079 131:1805 132:820 133:411 134:1704 135:309 136:920 137:1012 138:2773 139:1532 140:1323 141:1339 142:1551 143:1505 144:1015 145:342 146:2001 147:1680 148:2507 149:2502 150:1022 151:1318 152:1969 153:528 154:5626 155:1367 156:2097 157:1471 158:1093 159:2196 160:2608 161:1617 162:3596 163:1684 164:1615 165:2105 166:1060 167:1704 168:3804 169:794 170:4711 171:991 172:3810 173:3001 174:897 175:1217 176:3624 177:4573 178:3512 179:2210 180:2365 181:3670 182:3420 183:2015 184:2277 185:20501 186:4803 187:4364 188:4000 189:3995 190:9352 191:1445 192:10947 193:8971 194:7324 195:5218 196:3142 197:2573 198:5899 199:7101 200:8039 201:6340 202:10142 203:10116 204:4540 205:3694 206:4349 207:3404 208:4096 209:4883 210:4361 211:2502 212:4237 213:3395 214:1108 215:44 216:6798 217:2775 218:1310 219:422 220:1823 221:1019 222:691 223:2199 End of report