IPv4 R&E Routing Table Report 23:05 GMT Fri 19 Apr, 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: 939255 Prefixes after maximum aggregation (per Origin AS): 359470 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 460201 Number of IPv4 prefixes with a valid ROA: 463312 Number of IPv4 prefixes with an invalid ROA: 1063 Number of IPv4 prefixes with no ROA: 474880 Total ASes present in the Internet Routing Table: 75476 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64931 Origin ASes announcing only one prefix: 26564 Transit ASes present in the Internet Routing Table: 10545 Transit-only ASes present in the Internet Routing Table: 491 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: 56 Max AS path prepend of ASN (265020) 50 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: 44201 Number of 32-bit ASNs visible in the Routing Table: 36176 Prefixes from 32-bit ASNs in the Routing Table: 184381 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 581 Number of addresses announced to Internet: 3028250880 Equivalent to 180 /8s, 127 /16s and 113 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 309896 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247858 Total APNIC prefixes after maximum aggregation: 72867 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 240106 Unique aggregates announced from the APNIC address blocks: 100360 APNIC Region origin ASes present in the Internet Routing Table: 13994 APNIC Prefixes per ASN: 17.16 APNIC Region origin ASes announcing only one prefix: 4234 APNIC Region transit ASes present in the Internet Routing Table: 1861 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9437 Number of APNIC addresses announced to Internet: 761312000 Equivalent to 45 /8s, 96 /16s and 179 /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: 274140 Total ARIN prefixes after maximum aggregation: 124341 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278868 Unique aggregates announced from the ARIN address blocks: 133339 ARIN Region origin ASes present in the Internet Routing Table: 19096 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1906 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4873 Number of ARIN addresses announced to Internet: 1268933632 Equivalent to 75 /8s, 162 /16s and 100 /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, 393216-402332 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: 263878 Total RIPE prefixes after maximum aggregation: 126566 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258738 Unique aggregates announced from the RIPE address blocks: 163404 RIPE Region origin ASes present in the Internet Routing Table: 28591 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12119 RIPE Region transit ASes present in the Internet Routing Table: 3914 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11729 Number of RIPE addresses announced to Internet: 714581760 Equivalent to 42 /8s, 151 /16s and 167 /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: 121337 Total LACNIC prefixes after maximum aggregation: 28847 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119584 Unique aggregates announced from the LACNIC address blocks: 49496 LACNIC Region origin ASes present in the Internet Routing Table: 11078 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2608 LACNIC Region transit ASes present in the Internet Routing Table: 2367 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8949 Number of LACNIC addresses announced to Internet: 177120768 Equivalent to 10 /8s, 142 /16s and 166 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 30990 Total AfriNIC prefixes after maximum aggregation: 6154 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 41378 Unique aggregates announced from the AfriNIC address blocks: 13144 AfriNIC Region origin ASes present in the Internet Routing Table: 1821 AfriNIC Prefixes per ASN: 22.72 AfriNIC Region origin ASes announcing only one prefix: 641 AfriNIC Region transit ASes present in the Internet Routing Table: 349 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: 1188 Number of AfriNIC addresses announced to Internet: 105990912 Equivalent to 6 /8s, 81 /16s and 75 /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 9870 8743 63 CHINAMOBILE-CN China Mobile Communicati 7545 5665 778 678 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4579 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3879 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3635 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3595 499 257 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2782 864 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2200 434 198 TATACOMM-AS TATA Communications formerl 45090 2150 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 9836 11365 3465 AMAZON-02, US 11492 4602 305 608 CABLEONE, US 7155 4170 287 90 VIASAT-SP-BACKBONE, US 6327 3608 1320 75 SHAW, CA 22773 3501 3045 230 ASN-CXA-ALL-CCI-22773-RDC, US 174 3419 6628 826 COGENT-174, US 749 3202 54912 2454 DNIC-AS-00749, US 16625 3083 1308 2198 AKAMAI-AS, US 367 2833 3550 1352 DNIC-ASBLK-00306-00371, US 7018 2778 23648 1781 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 7710 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3855 3395 126 AKAMAI-ASN1, NL 9009 3284 285 1607 M247, RO 12389 2708 2252 798 ROSTELECOM-AS, RU 8551 2632 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2349 364 583 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1541 1852 14 TE-AS TE-AS, EG 44477 1538 100 729 STARK-INDUSTRIES, GB 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 12418 3319 489 UNINET, MX 10620 3522 495 906 Telmex Colombia S.A., CO 13999 2526 350 659 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1340 2313 251 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 788 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1156 175 429 Techtel LMDS Comunicaciones Interactiva 6503 1133 314 478 Axtel, S.A.B. de C.V., MX 6147 1102 369 22 Telefonica del Peru S.A.A., PE 22884 1067 114 386 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 1549 545 28 RAYA-AS, EG 24863 1501 389 20 LINKdotNET-AS, EG 36992 1368 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1205 76 63 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 529 56 54 WANANCHI-, KE 36914 475 82 3 KENET-AS, KE 24757 436 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 12418 3319 489 UNINET, MX 9808 9870 8743 63 CHINAMOBILE-CN China Mobile Communicati 16509 9836 11365 3465 AMAZON-02, US 12479 7710 1709 144 UNI2-AS, ES 7545 5665 778 678 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4602 305 608 CABLEONE, US 18403 4579 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4170 287 90 VIASAT-SP-BACKBONE, US 7552 3879 1330 20 VIETEL-AS-AP Viettel Group, VN 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 9870 9807 CHINAMOBILE-CN China Mobile Communications Grou 12479 7710 7566 UNI2-AS, ES 16509 9836 6371 AMAZON-02, US 7545 5665 4987 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4579 4556 FPT-AS-AP FPT Telecom Company, VN 7155 4170 4080 VIASAT-SP-BACKBONE, US 11492 4602 3994 CABLEONE, US 7552 3879 3859 VIETEL-AS-AP Viettel Group, VN 20940 3855 3729 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 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 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, 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 23.154.9.0/24 Origin: 52025 PARADOXNETWORKS, GB 23.154.9.0/24 Transit: 835 GOCODEIT-EDGE, CA 23.175.120.0/24 Origin: 400967 ASSUREDNET-ASN1, US 23.175.120.0/24 Transit: 21700 NEPTUNE-NETWORKS, 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 /11:95 /12:298 /13:579 /14:1194 /15:2063 /16:13229 /17:8129 /18:13564 /19:24494 /20:42966 /21:50915 /22:110373 /23:98519 /24:572763 /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 6825 7710 UNI2-AS, ES 8151 6438 12418 UNINET, MX 11492 3515 4602 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3406 3608 SHAW, CA 7155 3114 4170 VIASAT-SP-BACKBONE, US 22773 2600 3501 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2146 2491 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2135 3522 Telmex Colombia S.A., CO 8551 2108 2632 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2297 2:1498 3:326 4:6 5:4523 6:163 7:6 8:1506 9:1 11:172 12:1456 13:367 14:2356 15:317 16:209 17:367 18:766 20:361 21:4 22:188 23:6666 24:2706 25:2 27:2592 29:19 31:2689 32:45 34:62 35:128 36:2303 37:4465 38:7256 39:891 40:126 41:4109 42:2183 43:2351 44:313 45:16953 46:4432 47:305 49:1897 50:1923 51:573 52:1584 54:311 55:925 56:5 57:167 58:2012 59:1187 60:1031 61:2618 62:2687 63:1890 64:5538 65:2353 66:4674 67:2999 68:1335 69:4118 70:1189 71:578 72:2890 74:2586 75:1551 76:606 77:2431 78:1848 79:2488 80:2184 81:1959 82:1564 83:1315 84:1632 85:3125 86:838 87:1975 88:1238 89:4067 90:619 91:8099 92:2206 93:2664 94:3620 95:4132 96:1293 97:314 98:1046 99:742 100:78 101:1174 102:3094 103:32490 104:4842 105:653 106:937 107:2771 108:1108 109:4100 110:2142 111:3246 112:2060 113:1806 114:1774 115:2033 116:1862 117:2627 118:2837 119:1969 120:1780 121:1264 122:2648 123:2207 124:1607 125:2850 126:32 128:1432 129:927 130:1113 131:1841 132:797 133:410 134:1717 135:319 136:937 137:1029 138:2828 139:1534 140:1387 141:1367 142:1585 143:1477 144:1003 145:342 146:2062 147:1845 148:2484 149:2566 150:1034 151:1342 152:2018 153:524 154:6480 155:1453 156:2466 157:1719 158:1117 159:2320 160:2645 161:1633 162:3578 163:1688 164:1635 165:2130 166:1166 167:1787 168:3883 169:794 170:4813 171:996 172:3818 173:3031 174:897 175:1199 176:3638 177:4632 178:3572 179:2268 180:2360 181:3689 182:3384 183:2045 184:2272 185:20700 186:5026 187:4469 188:4057 189:4146 190:9328 191:1461 192:10937 193:9048 194:7455 195:5255 196:3137 197:2461 198:5904 199:7648 200:7990 201:6314 202:10192 203:10126 204:4545 205:3726 206:4442 207:3377 208:4132 209:5016 210:4394 211:2486 212:4279 213:3420 214:1060 215:50 216:6763 217:2821 218:1312 219:405 220:1818 221:1033 222:697 223:2203 End of report