IPv4 R&E Routing Table Report 23:05 GMT Wed 14 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: 933140 Prefixes after maximum aggregation (per Origin AS): 356622 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456869 Number of IPv4 prefixes with a valid ROA: 444944 Number of IPv4 prefixes with an invalid ROA: 1023 Number of IPv4 prefixes with no ROA: 487173 Total ASes present in the Internet Routing Table: 75192 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64697 Origin ASes announcing only one prefix: 26532 Transit ASes present in the Internet Routing Table: 10495 Transit-only ASes present in the Internet Routing Table: 467 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 105 Max AS path prepend of ASN (149381) 100 Prefixes from unregistered ASNs in the Routing Table: 1081 Number of instances of unregistered ASNs: 1083 Number of 32-bit ASNs allocated by the RIRs: 43624 Number of 32-bit ASNs visible in the Routing Table: 35795 Prefixes from 32-bit ASNs in the Routing Table: 180407 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: 510 Number of addresses announced to Internet: 3041300736 Equivalent to 181 /8s, 70 /16s and 145 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 309359 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245573 Total APNIC prefixes after maximum aggregation: 72058 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238443 Unique aggregates announced from the APNIC address blocks: 100018 APNIC Region origin ASes present in the Internet Routing Table: 13879 APNIC Prefixes per ASN: 17.18 APNIC Region origin ASes announcing only one prefix: 4174 APNIC Region transit ASes present in the Internet Routing Table: 1854 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 105 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9301 Number of APNIC addresses announced to Internet: 773913600 Equivalent to 46 /8s, 32 /16s and 252 /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: 273646 Total ARIN prefixes after maximum aggregation: 123488 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 278430 Unique aggregates announced from the ARIN address blocks: 132130 ARIN Region origin ASes present in the Internet Routing Table: 19047 ARIN Prefixes per ASN: 14.62 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1892 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: 4837 Number of ARIN addresses announced to Internet: 1269424896 Equivalent to 75 /8s, 169 /16s and 227 /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: 261873 Total RIPE prefixes after maximum aggregation: 125613 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 256595 Unique aggregates announced from the RIPE address blocks: 161555 RIPE Region origin ASes present in the Internet Routing Table: 28530 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12102 RIPE Region transit ASes present in the Internet Routing Table: 3886 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11575 Number of RIPE addresses announced to Internet: 713443328 Equivalent to 42 /8s, 134 /16s and 72 /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: 120500 Total LACNIC prefixes after maximum aggregation: 28688 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119072 Unique aggregates announced from the LACNIC address blocks: 49534 LACNIC Region origin ASes present in the Internet Routing Table: 11055 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2644 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: 8910 Number of LACNIC addresses announced to Internet: 177975552 Equivalent to 10 /8s, 155 /16s and 177 /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: 30467 Total AfriNIC prefixes after maximum aggregation: 6067 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 40090 Unique aggregates announced from the AfriNIC address blocks: 13206 AfriNIC Region origin ASes present in the Internet Routing Table: 1823 AfriNIC Prefixes per ASN: 21.99 AfriNIC Region origin ASes announcing only one prefix: 645 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: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1172 Number of AfriNIC addresses announced to Internet: 106244352 Equivalent to 6 /8s, 85 /16s and 41 /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 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5674 784 681 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3487 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3287 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2700 860 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 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 9656 11230 3354 AMAZON-02, US 11492 4578 304 653 CABLEONE, US 7155 4178 288 96 VIASAT-SP-BACKBONE, US 22773 3610 3043 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3593 1320 75 SHAW, CA 16625 3204 1394 2284 AKAMAI-AS, US 749 3183 54927 2435 DNIC-AS-00749, US 174 3117 6641 663 COGENT-174, US 367 2929 3729 1431 DNIC-ASBLK-00306-00371, US 396982 2754 3639 395 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 7602 1714 147 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3870 3396 132 AKAMAI-ASN1, NL 9009 3277 284 1587 M247, RO 12389 2894 2302 908 ROSTELECOM-AS, RU 8551 2643 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2346 363 592 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1497 1852 14 TE-AS TE-AS, EG 44477 1485 97 710 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 12446 3389 617 UNINET, MX 10620 3522 496 891 Telmex Colombia S.A., CO 13999 2509 341 643 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1326 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1195 340 493 Axtel, S.A.B. de C.V., MX 11664 1134 178 426 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1073 117 375 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 1547 545 28 RAYA-AS, EG 24863 1526 389 16 LINKdotNET-AS, EG 36992 1361 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1126 72 57 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 36914 531 82 3 KENET-AS, KE 15399 523 55 52 WANANCHI-, KE 37342 486 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 12446 3389 617 UNINET, MX 9808 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9656 11230 3354 AMAZON-02, US 12479 7602 1714 147 UNI2-AS, ES 7545 5674 784 681 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4578 304 653 CABLEONE, US 7155 4178 288 96 VIASAT-SP-BACKBONE, US 7552 3877 1331 21 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 9815 9765 CHINAMOBILE-CN China Mobile Communications Grou 12479 7602 7455 UNI2-AS, ES 16509 9656 6302 AMAZON-02, US 7545 5674 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4599 4574 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4082 VIASAT-SP-BACKBONE, US 11492 4578 3925 CABLEONE, US 7552 3877 3856 VIETEL-AS-AP Viettel Group, VN 20940 3870 3738 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 /14:1190 /15:2059 /16:13328 /17:8091 /18:13553 /19:24631 /20:43130 /21:51174 /22:109803 /23:98644 /24:566491 /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 6718 7602 UNI2-AS, ES 8151 6404 12446 UNINET, MX 11492 3492 4578 CABLEONE, US 6327 3391 3593 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3122 4178 VIASAT-SP-BACKBONE, US 22773 2656 3610 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2139 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2128 3522 Telmex Colombia S.A., CO 8551 2125 2643 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) ---------------------------------------------- 1:2307 2:1535 3:299 4:6 5:4481 6:165 7:6 8:1495 9:1 11:172 12:1468 13:387 14:2343 15:311 16:204 17:359 18:734 20:353 21:4 22:188 23:6580 24:2705 25:2 27:2549 29:19 31:2551 32:45 34:39 35:121 36:2173 37:4458 38:6892 39:900 40:140 41:4049 42:2203 43:2290 44:331 45:16827 46:4359 47:286 49:1899 50:1889 51:570 52:1591 54:336 55:882 56:5 57:145 58:1966 59:1144 60:1018 61:2624 62:2667 63:1923 64:5521 65:2328 66:4891 67:3043 68:1334 69:4092 70:1197 71:578 72:2912 74:2643 75:1554 76:628 77:2352 78:1842 79:2462 80:2131 81:1892 82:1522 83:1251 84:1636 85:3071 86:779 87:1966 88:1216 89:3978 90:676 91:7908 92:2183 93:2620 94:3638 95:4061 96:1285 97:313 98:1030 99:744 100:90 101:1154 102:3070 103:32489 104:4760 105:597 106:915 107:2759 108:1128 109:4020 110:2146 111:3159 112:2059 113:1736 114:1746 115:1980 116:1955 117:2643 118:2754 119:1941 120:1783 121:1262 122:2630 123:2184 124:1601 125:2818 126:28 128:1460 129:914 130:1084 131:1818 132:814 133:411 134:1699 135:310 136:924 137:1003 138:2782 139:1540 140:1363 141:1350 142:1557 143:1506 144:1008 145:343 146:2007 147:1691 148:2506 149:2467 150:1022 151:1322 152:1977 153:525 154:5684 155:1369 156:2096 157:1511 158:1091 159:2200 160:2607 161:1626 162:3602 163:1688 164:1630 165:2109 166:1062 167:1706 168:3811 169:791 170:4716 171:995 172:3821 173:3006 174:896 175:1214 176:3635 177:4561 178:3528 179:2230 180:2361 181:3686 182:3420 183:2030 184:2266 185:20571 186:4820 187:4365 188:3993 189:4060 190:9319 191:1432 192:10963 193:8988 194:7381 195:5249 196:3157 197:2644 198:5905 199:7164 200:8063 201:6319 202:10197 203:10121 204:4534 205:3709 206:4368 207:3399 208:4103 209:4914 210:4365 211:2505 212:4272 213:3397 214:1114 215:44 216:6792 217:2762 218:1313 219:423 220:1823 221:1020 222:692 223:2200 End of report