IPv4 R&E Routing Table Report 23:05 GMT Fri 16 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: 933038 Prefixes after maximum aggregation (per Origin AS): 356553 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456682 Number of IPv4 prefixes with a valid ROA: 446085 Number of IPv4 prefixes with an invalid ROA: 1037 Number of IPv4 prefixes with no ROA: 485916 Total ASes present in the Internet Routing Table: 75207 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64700 Origin ASes announcing only one prefix: 26561 Transit ASes present in the Internet Routing Table: 10507 Transit-only ASes present in the Internet Routing Table: 475 Paths with bogon ASNs present in the IPv4 Routing Table: 21 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: 1064 Number of instances of unregistered ASNs: 1074 Number of 32-bit ASNs allocated by the RIRs: 43661 Number of 32-bit ASNs visible in the Routing Table: 35820 Prefixes from 32-bit ASNs in the Routing Table: 180601 Number of bogon 32-bit ASNs visible in the Routing Table: 33 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 510 Number of addresses announced to Internet: 3040890112 Equivalent to 181 /8s, 64 /16s and 77 /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: 309410 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245540 Total APNIC prefixes after maximum aggregation: 72077 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238374 Unique aggregates announced from the APNIC address blocks: 100007 APNIC Region origin ASes present in the Internet Routing Table: 13890 APNIC Prefixes per ASN: 17.16 APNIC Region origin ASes announcing only one prefix: 4191 APNIC Region transit ASes present in the Internet Routing Table: 1857 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: 9318 Number of APNIC addresses announced to Internet: 773866752 Equivalent to 46 /8s, 32 /16s and 69 /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: 273719 Total ARIN prefixes after maximum aggregation: 123347 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 278505 Unique aggregates announced from the ARIN address blocks: 132142 ARIN Region origin ASes present in the Internet Routing Table: 19045 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: 1900 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: 4838 Number of ARIN addresses announced to Internet: 1269400320 Equivalent to 75 /8s, 169 /16s and 131 /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: 261579 Total RIPE prefixes after maximum aggregation: 125657 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 256341 Unique aggregates announced from the RIPE address blocks: 161391 RIPE Region origin ASes present in the Internet Routing Table: 28532 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12103 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: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11583 Number of RIPE addresses announced to Internet: 713136128 Equivalent to 42 /8s, 129 /16s and 152 /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: 120688 Total LACNIC prefixes after maximum aggregation: 28695 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119252 Unique aggregates announced from the LACNIC address blocks: 49523 LACNIC Region origin ASes present in the Internet Routing Table: 11054 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2652 LACNIC Region transit ASes present in the Internet Routing Table: 2360 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: 8909 Number of LACNIC addresses announced to Internet: 177968128 Equivalent to 10 /8s, 155 /16s and 148 /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: 30448 Total AfriNIC prefixes after maximum aggregation: 6071 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 40056 Unique aggregates announced from the AfriNIC address blocks: 13193 AfriNIC Region origin ASes present in the Internet Routing Table: 1822 AfriNIC Prefixes per ASN: 21.98 AfriNIC Region origin ASes announcing only one prefix: 648 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: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1172 Number of AfriNIC addresses announced to Internet: 106219776 Equivalent to 6 /8s, 84 /16s and 201 /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 4596 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 3488 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3287 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2711 861 373 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2188 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 9611 11225 3375 AMAZON-02, US 11492 4581 304 652 CABLEONE, US 7155 4178 288 96 VIASAT-SP-BACKBONE, US 22773 3609 3043 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3595 1320 75 SHAW, CA 16625 3203 1394 2285 AKAMAI-AS, US 749 3183 54927 2435 DNIC-AS-00749, US 174 3136 6637 665 COGENT-174, US 367 2906 3678 1409 DNIC-ASBLK-00306-00371, US 396982 2755 3639 396 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 7608 1714 147 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3871 3395 127 AKAMAI-ASN1, NL 9009 3281 284 1591 M247, RO 12389 2892 2302 907 ROSTELECOM-AS, RU 8551 2650 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 363 593 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1497 1852 14 TE-AS TE-AS, EG 44477 1484 97 711 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 12414 3389 610 UNINET, MX 10620 3522 496 891 Telmex Colombia S.A., CO 13999 2512 341 649 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1325 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 340 498 Axtel, S.A.B. de C.V., MX 11664 1136 178 426 Techtel LMDS Comunicaciones Interactiva 6147 1086 369 22 Telefonica del Peru S.A.A., PE 22884 1074 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 1520 389 16 LINKdotNET-AS, EG 36992 1361 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1135 73 60 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 538 82 3 KENET-AS, KE 15399 521 55 51 WANANCHI-, KE 24757 485 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 12414 3389 610 UNINET, MX 9808 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9611 11225 3375 AMAZON-02, US 12479 7608 1714 147 UNI2-AS, ES 7545 5674 784 681 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4596 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4581 304 652 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 7608 7461 UNI2-AS, ES 16509 9611 6236 AMAZON-02, US 7545 5674 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4596 4571 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4082 VIASAT-SP-BACKBONE, US 11492 4581 3929 CABLEONE, US 7552 3877 3856 VIETEL-AS-AP Viettel Group, VN 20940 3871 3744 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 /15:2058 /16:13334 /17:8103 /18:13551 /19:24625 /20:43104 /21:51103 /22:109646 /23:98735 /24:566543 /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 6724 7608 UNI2-AS, ES 8151 6399 12414 UNINET, MX 11492 3495 4581 CABLEONE, US 6327 3393 3595 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3122 4178 VIASAT-SP-BACKBONE, US 22773 2655 3609 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2144 2487 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2128 3522 Telmex Colombia S.A., CO 8551 2126 2650 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) ---------------------------------------------- 1:2288 2:1534 3:296 4:6 5:4473 6:164 7:6 8:1493 9:1 11:172 12:1465 13:384 14:2342 15:311 16:204 17:361 18:731 20:356 21:4 22:188 23:6585 24:2701 25:2 27:2559 29:19 31:2549 32:45 34:39 35:121 36:2173 37:4472 38:6897 39:900 40:140 41:4035 42:2203 43:2294 44:331 45:16830 46:4344 47:286 49:1907 50:1893 51:571 52:1584 54:336 55:877 56:5 57:145 58:1964 59:1146 60:1018 61:2627 62:2673 63:1915 64:5511 65:2329 66:4889 67:3052 68:1331 69:4088 70:1197 71:578 72:2916 74:2638 75:1553 76:628 77:2387 78:1834 79:2463 80:2126 81:1893 82:1521 83:1253 84:1628 85:3075 86:780 87:1967 88:1219 89:3980 90:676 91:7910 92:2183 93:2628 94:3640 95:4058 96:1285 97:313 98:1030 99:744 100:90 101:1154 102:3080 103:32478 104:4745 105:597 106:918 107:2761 108:1128 109:4018 110:2145 111:3160 112:2060 113:1736 114:1749 115:1979 116:1955 117:2643 118:2749 119:1942 120:1783 121:1256 122:2633 123:2187 124:1601 125:2817 126:28 128:1461 129:913 130:1086 131:1828 132:816 133:412 134:1700 135:311 136:923 137:1017 138:2779 139:1536 140:1363 141:1349 142:1557 143:1476 144:1007 145:343 146:2007 147:1695 148:2510 149:2483 150:1023 151:1321 152:1977 153:528 154:5666 155:1367 156:2089 157:1518 158:1095 159:2203 160:2594 161:1628 162:3600 163:1692 164:1633 165:2109 166:1060 167:1705 168:3831 169:791 170:4699 171:997 172:3828 173:3010 174:894 175:1216 176:3634 177:4528 178:3530 179:2225 180:2363 181:3688 182:3418 183:1983 184:2268 185:20594 186:4838 187:4401 188:3985 189:4076 190:9301 191:1419 192:10959 193:8988 194:7390 195:5247 196:3160 197:2649 198:5904 199:7166 200:8056 201:6314 202:10186 203:10110 204:4531 205:3701 206:4404 207:3406 208:4119 209:4950 210:4366 211:2507 212:4283 213:3399 214:1118 215:44 216:6797 217:2761 218:1313 219:423 220:1823 221:1020 222:691 223:2201 End of report