IPv4 R&E Routing Table Report 23:05 GMT Sun 10 Mar, 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: 934393 Prefixes after maximum aggregation (per Origin AS): 357433 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 457981 Number of IPv4 prefixes with a valid ROA: 450738 Number of IPv4 prefixes with an invalid ROA: 1080 Number of IPv4 prefixes with no ROA: 482575 Total ASes present in the Internet Routing Table: 75304 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64807 Origin ASes announcing only one prefix: 26574 Transit ASes present in the Internet Routing Table: 10497 Transit-only ASes present in the Internet Routing Table: 478 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 1059 Number of instances of unregistered ASNs: 1061 Number of 32-bit ASNs allocated by the RIRs: 43818 Number of 32-bit ASNs visible in the Routing Table: 35942 Prefixes from 32-bit ASNs in the Routing Table: 181529 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: 530 Number of addresses announced to Internet: 3040862208 Equivalent to 181 /8s, 63 /16s and 224 /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: 308499 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246377 Total APNIC prefixes after maximum aggregation: 72183 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239183 Unique aggregates announced from the APNIC address blocks: 99799 APNIC Region origin ASes present in the Internet Routing Table: 13926 APNIC Prefixes per ASN: 17.18 APNIC Region origin ASes announcing only one prefix: 4214 APNIC Region transit ASes present in the Internet Routing Table: 1848 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: 9362 Number of APNIC addresses announced to Internet: 774186496 Equivalent to 46 /8s, 37 /16s and 38 /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: 272716 Total ARIN prefixes after maximum aggregation: 123598 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277361 Unique aggregates announced from the ARIN address blocks: 132483 ARIN Region origin ASes present in the Internet Routing Table: 19079 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1902 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: 4854 Number of ARIN addresses announced to Internet: 1270041088 Equivalent to 75 /8s, 179 /16s and 74 /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: 262850 Total RIPE prefixes after maximum aggregation: 126049 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257511 Unique aggregates announced from the RIPE address blocks: 162285 RIPE Region origin ASes present in the Internet Routing Table: 28552 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12114 RIPE Region transit ASes present in the Internet Routing Table: 3897 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11636 Number of RIPE addresses announced to Internet: 712629248 Equivalent to 42 /8s, 121 /16s and 220 /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: 120992 Total LACNIC prefixes after maximum aggregation: 28833 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119464 Unique aggregates announced from the LACNIC address blocks: 49499 LACNIC Region origin ASes present in the Internet Routing Table: 11056 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2624 LACNIC Region transit ASes present in the Internet Routing Table: 2358 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: 177415936 Equivalent to 10 /8s, 147 /16s and 39 /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: 30399 Total AfriNIC prefixes after maximum aggregation: 6047 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 40344 Unique aggregates announced from the AfriNIC address blocks: 13481 AfriNIC Region origin ASes present in the Internet Routing Table: 1818 AfriNIC Prefixes per ASN: 22.19 AfriNIC Region origin ASes announcing only one prefix: 649 AfriNIC Region transit ASes present in the Internet Routing Table: 347 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: 1181 Number of AfriNIC addresses announced to Internet: 106289152 Equivalent to 6 /8s, 85 /16s and 216 /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 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5651 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4588 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3845 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3605 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3509 495 250 BBIL-AP BHARTI Airtel Ltd., IN 45899 3285 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2751 863 362 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2191 434 196 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 9636 11322 3371 AMAZON-02, US 11492 4576 304 647 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3602 3044 291 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3599 1320 75 SHAW, CA 174 3219 6644 671 COGENT-174, US 749 3199 54920 2451 DNIC-AS-00749, US 16625 3166 1374 2270 AKAMAI-AS, US 367 2899 3645 1396 DNIC-ASBLK-00306-00371, US 396982 2752 3638 402 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 7622 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3858 3395 125 AKAMAI-ASN1, NL 9009 3271 284 1592 M247, RO 12389 2892 2304 906 ROSTELECOM-AS, RU 8551 2654 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 363 591 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1521 1852 14 TE-AS TE-AS, EG 44477 1490 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 12533 3356 587 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2504 338 650 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1208 349 490 Axtel, S.A.B. de C.V., MX 11664 1145 179 422 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1066 114 380 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 1520 389 20 LINKdotNET-AS, EG 36992 1368 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1170 75 60 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 533 56 54 WANANCHI-, KE 36914 482 82 3 KENET-AS, KE 24757 426 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 12533 3356 587 UNINET, MX 9808 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9636 11322 3371 AMAZON-02, US 12479 7622 1714 147 UNI2-AS, ES 7545 5651 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4588 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4576 304 647 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3858 3395 125 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 9807 9755 CHINAMOBILE-CN China Mobile Communications Grou 12479 7622 7475 UNI2-AS, ES 16509 9636 6265 AMAZON-02, US 7545 5651 4977 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4588 4563 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4576 3929 CABLEONE, US 7552 3845 3825 VIETEL-AS-AP Viettel Group, VN 20940 3858 3733 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 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 395195 UNALLOCATED 8.38.115.0/24 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 27.0.192.0/24 Origin: 136800 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3491 BTN-ASN, 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 /12:299 /13:573 /14:1191 /15:2058 /16:13336 /17:8109 /18:13580 /19:24533 /20:43104 /21:50858 /22:110044 /23:98137 /24:568399 /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 6736 7622 UNI2-AS, ES 8151 6478 12533 UNINET, MX 11492 3489 4576 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3397 3599 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2649 3602 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2502 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3525 Telmex Colombia S.A., CO 8551 2130 2654 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) ---------------------------------------------- 1:2275 2:1566 3:308 4:6 5:4508 6:162 7:6 8:1494 9:1 11:172 12:1468 13:376 14:2350 15:314 16:208 17:368 18:741 20:354 21:4 22:188 23:6613 24:2697 25:2 27:2609 29:19 31:2638 32:46 34:45 35:122 36:2198 37:4500 38:7090 39:894 40:140 41:4069 42:2213 43:2306 44:324 45:16836 46:4352 47:289 49:1895 50:1898 51:574 52:1581 54:307 55:882 56:5 57:152 58:1968 59:1121 60:1022 61:2609 62:2696 63:1897 64:5515 65:2321 66:4670 67:3050 68:1337 69:4044 70:1196 71:573 72:2899 74:2579 75:1550 76:630 77:2412 78:1840 79:2480 80:2150 81:1928 82:1507 83:1253 84:1639 85:3082 86:828 87:1971 88:1234 89:4002 90:681 91:7973 92:2179 93:2628 94:3637 95:4113 96:1287 97:312 98:1035 99:742 100:92 101:1162 102:3098 103:32459 104:4753 105:635 106:928 107:2752 108:1127 109:4051 110:2137 111:3164 112:2058 113:1759 114:1770 115:2001 116:1940 117:2620 118:2815 119:1952 120:1784 121:1268 122:2674 123:2195 124:1594 125:2835 126:28 128:1445 129:915 130:1084 131:1798 132:803 133:410 134:1709 135:312 136:927 137:1031 138:2800 139:1559 140:1366 141:1356 142:1553 143:1482 144:1014 145:340 146:2025 147:1692 148:2492 149:2554 150:1082 151:1323 152:1974 153:526 154:5861 155:1354 156:2244 157:1583 158:1098 159:2231 160:2577 161:1633 162:3594 163:1707 164:1625 165:2107 166:1066 167:1707 168:3923 169:785 170:4706 171:992 172:3833 173:3025 174:900 175:1216 176:3649 177:4444 178:3568 179:2217 180:2367 181:3670 182:3393 183:2026 184:2261 185:20592 186:4919 187:4405 188:4002 189:4088 190:9315 191:1448 192:10962 193:9015 194:7429 195:5256 196:3136 197:2548 198:5912 199:7392 200:7998 201:6369 202:10190 203:10127 204:4550 205:3719 206:4446 207:3412 208:4135 209:4967 210:4375 211:2483 212:4285 213:3402 214:1107 215:44 216:6754 217:2804 218:1313 219:409 220:1828 221:1024 222:695 223:2204 End of report