IPv4 R&E Routing Table Report 23:05 GMT Fri 29 Dec, 2023 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: 930858 Prefixes after maximum aggregation (per Origin AS): 356240 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455969 Number of IPv4 prefixes with a valid ROA: 434703 Number of IPv4 prefixes with an invalid ROA: 887 Number of IPv4 prefixes with no ROA: 495268 Total ASes present in the Internet Routing Table: 74984 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64595 Origin ASes announcing only one prefix: 26545 Transit ASes present in the Internet Routing Table: 10389 Transit-only ASes present in the Internet Routing Table: 451 Paths with bogon ASNs present in the IPv4 Routing Table: 5 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: 1013 Number of instances of unregistered ASNs: 1015 Number of 32-bit ASNs allocated by the RIRs: 43278 Number of 32-bit ASNs visible in the Routing Table: 35532 Prefixes from 32-bit ASNs in the Routing Table: 178435 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: 503 Number of addresses announced to Internet: 3043732480 Equivalent to 181 /8s, 107 /16s and 172 /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: 309963 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244604 Total APNIC prefixes after maximum aggregation: 71539 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237730 Unique aggregates announced from the APNIC address blocks: 99423 APNIC Region origin ASes present in the Internet Routing Table: 13762 APNIC Prefixes per ASN: 17.27 APNIC Region origin ASes announcing only one prefix: 4137 APNIC Region transit ASes present in the Internet Routing Table: 1842 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9174 Number of APNIC addresses announced to Internet: 770443776 Equivalent to 45 /8s, 236 /16s and 10 /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: 272923 Total ARIN prefixes after maximum aggregation: 124302 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277745 Unique aggregates announced from the ARIN address blocks: 133022 ARIN Region origin ASes present in the Internet Routing Table: 19036 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1840 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: 1273259008 Equivalent to 75 /8s, 228 /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, 393216-401308 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: 261915 Total RIPE prefixes after maximum aggregation: 125032 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256471 Unique aggregates announced from the RIPE address blocks: 160898 RIPE Region origin ASes present in the Internet Routing Table: 28488 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12122 RIPE Region transit ASes present in the Internet Routing Table: 3872 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11481 Number of RIPE addresses announced to Internet: 714326784 Equivalent to 42 /8s, 147 /16s and 195 /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: 120118 Total LACNIC prefixes after maximum aggregation: 28631 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 118728 Unique aggregates announced from the LACNIC address blocks: 49399 LACNIC Region origin ASes present in the Internet Routing Table: 11047 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2681 LACNIC Region transit ASes present in the Internet Routing Table: 2342 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: 8898 Number of LACNIC addresses announced to Internet: 178307584 Equivalent to 10 /8s, 160 /16s and 194 /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: 30285 Total AfriNIC prefixes after maximum aggregation: 6028 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39681 Unique aggregates announced from the AfriNIC address blocks: 12810 AfriNIC Region origin ASes present in the Internet Routing Table: 1811 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 643 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1155 Number of AfriNIC addresses announced to Internet: 107103488 Equivalent to 6 /8s, 98 /16s and 69 /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 9778 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5676 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4540 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3839 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3410 494 251 BBIL-AP BHARTI Airtel Ltd., IN 45899 3269 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2659 856 370 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2188 442 200 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 9455 11200 3354 AMAZON-02, US 11492 4563 303 680 CABLEONE, US 7155 4164 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3490 3033 287 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3185 1411 2317 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2968 3838 1417 DNIC-ASBLK-00306-00371, US 396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US 7018 2506 23622 1574 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 7564 1714 146 UNI2-AS, ES 39891 4641 279 54 ALJAWWALSTC-AS, SA 20940 4001 3397 140 AKAMAI-ASN1, NL 9009 3492 300 1631 M247, RO 8551 3337 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2912 2301 912 ROSTELECOM-AS, RU 34984 2326 359 597 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1510 872 576 TCI, IR 44477 1453 95 718 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 12174 3385 596 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2494 339 636 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1108 178 423 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1074 117 379 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 24863 1588 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1071 69 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 514 82 3 KENET-AS, KE 15399 503 53 42 WANANCHI-, KE 37342 481 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 12174 3385 596 UNINET, MX 9808 9778 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9455 11200 3354 AMAZON-02, US 12479 7564 1714 146 UNI2-AS, ES 7545 5676 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 279 54 ALJAWWALSTC-AS, SA 11492 4563 303 680 CABLEONE, US 18403 4540 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4164 288 96 VIASAT-SP-BACKBONE, US 20940 4001 3397 140 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 9778 9728 CHINAMOBILE-CN China Mobile Communications Grou 12479 7564 7418 UNI2-AS, ES 16509 9455 6101 AMAZON-02, US 7545 5676 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 4587 ALJAWWALSTC-AS, SA 18403 4540 4515 FPT-AS-AP FPT Telecom Company, VN 7155 4164 4068 VIASAT-SP-BACKBONE, US 11492 4563 3883 CABLEONE, US 20940 4001 3861 AKAMAI-ASN1, NL 7552 3839 3819 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 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 23.176.160.0/24 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 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /12:298 /13:576 /14:1191 /15:2057 /16:13383 /17:8153 /18:13634 /19:24743 /20:43120 /21:51261 /22:109971 /23:99190 /24:563108 /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 6652 7564 UNI2-AS, ES 8151 6170 12174 UNINET, MX 11492 3477 4563 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4641 ALJAWWALSTC-AS, SA 7155 3110 4164 VIASAT-SP-BACKBONE, US 8551 2814 3337 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2554 3490 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2122 3519 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) ---------------------------------------------- 1:2280 2:1404 3:284 4:5 5:4399 6:163 7:6 8:1494 9:1 11:172 12:1488 13:375 14:2328 15:309 16:206 17:360 18:709 20:344 21:4 22:188 23:6558 24:2595 25:2 27:2547 29:19 31:2535 32:53 34:36 35:117 36:2126 37:4476 38:5817 39:882 40:147 41:4101 42:2195 43:2295 44:324 45:16658 46:4326 47:285 49:1893 50:1875 51:572 52:1593 54:369 55:889 56:5 57:127 58:1857 59:1109 60:1012 61:2585 62:2748 63:1906 64:5495 65:2343 66:4974 67:3035 68:1337 69:4052 70:1170 71:610 72:2916 74:2621 75:1547 76:625 77:2333 78:1824 79:2998 80:2113 81:1870 82:1523 83:1322 84:1608 85:2975 86:788 87:1962 88:1228 89:3954 90:656 91:7898 92:2173 93:2626 94:3580 95:3993 96:1297 97:315 98:1015 99:738 100:94 101:1154 102:3005 103:32323 104:4774 105:600 106:972 107:2760 108:1144 109:4148 110:2127 111:3153 112:2077 113:1709 114:1742 115:2007 116:1959 117:2619 118:2769 119:1940 120:1755 121:1252 122:2633 123:2174 124:1577 125:2774 128:1427 129:900 130:1067 131:1966 132:824 133:411 134:1701 135:304 136:910 137:1033 138:2711 139:1550 140:1339 141:1339 142:1534 143:1533 144:997 145:338 146:2014 147:1630 148:2479 149:2388 150:1014 151:1310 152:1961 153:528 154:5469 155:1369 156:2097 157:1369 158:1079 159:2201 160:2616 161:1611 162:3594 163:1663 164:1614 165:2098 166:1065 167:1738 168:3816 169:790 170:4691 171:975 172:3772 173:3011 174:890 175:1208 176:3581 177:4726 178:3525 179:2212 180:2357 181:3645 182:3416 183:2023 184:2269 185:20479 186:4795 187:4425 188:4008 189:3965 190:9325 191:1496 192:10995 193:8969 194:7347 195:5222 196:3088 197:2585 198:5909 199:6831 200:8009 201:6257 202:10181 203:10056 204:4568 205:3654 206:4448 207:3391 208:4070 209:4912 210:4338 211:2495 212:4192 213:3380 214:1113 215:50 216:6768 217:2771 218:1285 219:414 220:1812 221:1019 222:686 223:2194 End of report