IPv4 R&E Routing Table Report 23:05 GMT Mon 11 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: 935031 Prefixes after maximum aggregation (per Origin AS): 357425 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 458090 Number of IPv4 prefixes with a valid ROA: 451368 Number of IPv4 prefixes with an invalid ROA: 1081 Number of IPv4 prefixes with no ROA: 482582 Total ASes present in the Internet Routing Table: 75328 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64836 Origin ASes announcing only one prefix: 26611 Transit ASes present in the Internet Routing Table: 10492 Transit-only ASes present in the Internet Routing Table: 478 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN (2485408) 56 Prefixes from unregistered ASNs in the Routing Table: 1062 Number of instances of unregistered ASNs: 1119 Number of 32-bit ASNs allocated by the RIRs: 43819 Number of 32-bit ASNs visible in the Routing Table: 35956 Prefixes from 32-bit ASNs in the Routing Table: 181418 Number of bogon 32-bit ASNs visible in the Routing Table: 121 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 532 Number of addresses announced to Internet: 3040836096 Equivalent to 181 /8s, 63 /16s and 122 /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: 309081 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246392 Total APNIC prefixes after maximum aggregation: 72179 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239210 Unique aggregates announced from the APNIC address blocks: 99775 APNIC Region origin ASes present in the Internet Routing Table: 13939 APNIC Prefixes per ASN: 17.16 APNIC Region origin ASes announcing only one prefix: 4224 APNIC Region transit ASes present in the Internet Routing Table: 1852 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: 9373 Number of APNIC addresses announced to Internet: 774174976 Equivalent to 46 /8s, 36 /16s and 249 /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: 272753 Total ARIN prefixes after maximum aggregation: 123602 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277402 Unique aggregates announced from the ARIN address blocks: 132558 ARIN Region origin ASes present in the Internet Routing Table: 19080 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6986 ARIN Region transit ASes present in the Internet Routing Table: 1903 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: 1270027520 Equivalent to 75 /8s, 179 /16s and 21 /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: 262872 Total RIPE prefixes after maximum aggregation: 126044 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257550 Unique aggregates announced from the RIPE address blocks: 162322 RIPE Region origin ASes present in the Internet Routing Table: 28558 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12123 RIPE Region transit ASes present in the Internet Routing Table: 3896 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: 11637 Number of RIPE addresses announced to Internet: 712566784 Equivalent to 42 /8s, 120 /16s and 232 /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: 121533 Total LACNIC prefixes after maximum aggregation: 28829 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120000 Unique aggregates announced from the LACNIC address blocks: 49510 LACNIC Region origin ASes present in the Internet Routing Table: 11064 LACNIC Prefixes per ASN: 10.85 LACNIC Region origin ASes announcing only one prefix: 2632 LACNIC Region transit ASes present in the Internet Routing Table: 2359 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: 8916 Number of LACNIC addresses announced to Internet: 177443840 Equivalent to 10 /8s, 147 /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: 30419 Total AfriNIC prefixes after maximum aggregation: 6048 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 40337 Unique aggregates announced from the AfriNIC address blocks: 13491 AfriNIC Region origin ASes present in the Internet Routing Table: 1814 AfriNIC Prefixes per ASN: 22.24 AfriNIC Region origin ASes announcing only one prefix: 646 AfriNIC Region transit ASes present in the Internet Routing Table: 340 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: 1176 Number of AfriNIC addresses announced to Internet: 106322688 Equivalent to 6 /8s, 86 /16s and 91 /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 9808 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5652 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4585 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3839 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 2190 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 9658 11325 3347 AMAZON-02, US 11492 4578 304 644 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3601 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 3168 1374 2269 AKAMAI-AS, US 367 2914 3631 1405 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 7616 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3857 3395 125 AKAMAI-ASN1, NL 9009 3268 284 1593 M247, RO 12389 2892 2304 906 ROSTELECOM-AS, RU 8551 2651 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 12539 3362 579 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2504 338 650 Mega Cable, S.A. de C.V., MX 11830 1996 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 1089 369 22 Telefonica del Peru S.A.A., PE 26615 1067 2503 53 TIM SA, BR 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 1172 75 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 555 1861 34 IAM-AS, MA 15399 533 56 54 WANANCHI-, KE 36914 494 82 3 KENET-AS, KE 24757 427 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 12539 3362 579 UNINET, MX 9808 9808 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9658 11325 3347 AMAZON-02, US 12479 7616 1714 147 UNI2-AS, ES 7545 5652 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4585 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4578 304 644 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3857 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 9808 9756 CHINAMOBILE-CN China Mobile Communications Grou 12479 7616 7469 UNI2-AS, ES 16509 9658 6311 AMAZON-02, US 7545 5652 4978 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4585 4560 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4578 3934 CABLEONE, US 7552 3839 3819 VIETEL-AS-AP Viettel Group, VN 20940 3857 3732 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 /15:2057 /16:13333 /17:8108 /18:13576 /19:24534 /20:43088 /21:50853 /22:110017 /23:98138 /24:569092 /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 6730 7616 UNI2-AS, ES 8151 6482 12539 UNINET, MX 11492 3491 4578 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3397 3599 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2648 3601 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2156 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3525 Telmex Colombia S.A., CO 8551 2127 2651 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) ---------------------------------------------- 1:2274 2:1565 3:308 4:6 5:4510 6:162 7:6 8:1494 9:1 11:172 12:1468 13:381 14:2356 15:312 16:208 17:368 18:743 20:354 21:4 22:188 23:6606 24:2696 25:2 27:2627 29:19 31:2641 32:46 34:45 35:122 36:2201 37:4499 38:7114 39:894 40:140 41:4094 42:2212 43:2300 44:323 45:16832 46:4355 47:289 49:1897 50:1901 51:572 52:1587 54:311 55:885 56:5 57:152 58:1969 59:1122 60:1022 61:2610 62:2681 63:1899 64:5511 65:2321 66:4669 67:3049 68:1337 69:4044 70:1196 71:573 72:2899 74:2577 75:1550 76:631 77:2414 78:1839 79:2475 80:2152 81:1931 82:1504 83:1256 84:1642 85:3085 86:829 87:1972 88:1234 89:4001 90:681 91:7974 92:2180 93:2636 94:3640 95:4112 96:1288 97:312 98:1034 99:739 100:92 101:1161 102:3093 103:32452 104:4760 105:634 106:928 107:2758 108:1127 109:4055 110:2137 111:3185 112:2059 113:1758 114:1770 115:2000 116:1874 117:2616 118:2817 119:1954 120:1784 121:1268 122:2677 123:2195 124:1606 125:2835 126:28 128:1442 129:912 130:1083 131:1804 132:807 133:410 134:1705 135:312 136:931 137:1033 138:2799 139:1554 140:1368 141:1354 142:1554 143:1486 144:1016 145:340 146:2024 147:1700 148:2491 149:2553 150:1082 151:1327 152:1971 153:525 154:5856 155:1357 156:2235 157:1592 158:1099 159:2231 160:2597 161:1633 162:3594 163:1705 164:1628 165:2106 166:1066 167:1708 168:3937 169:785 170:4706 171:991 172:3828 173:3021 174:899 175:1216 176:3648 177:4546 178:3571 179:2239 180:2370 181:3673 182:3393 183:2028 184:2261 185:20601 186:4970 187:4528 188:4002 189:4100 190:9313 191:1717 192:10965 193:9029 194:7426 195:5256 196:3139 197:2559 198:5909 199:7396 200:7992 201:6344 202:10192 203:10128 204:4551 205:3718 206:4445 207:3412 208:4127 209:4982 210:4381 211:2484 212:4289 213:3395 214:1105 215:44 216:6755 217:2804 218:1313 219:409 220:1826 221:1024 222:695 223:2205 End of report