IPv4 R&E Routing Table Report 23:05 GMT Mon 15 Apr, 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: 938988 Prefixes after maximum aggregation (per Origin AS): 359304 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 459657 Number of IPv4 prefixes with a valid ROA: 461769 Number of IPv4 prefixes with an invalid ROA: 1088 Number of IPv4 prefixes with no ROA: 476131 Total ASes present in the Internet Routing Table: 75441 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 64776 Origin ASes announcing only one prefix: 26534 Transit ASes present in the Internet Routing Table: 10665 Transit-only ASes present in the Internet Routing Table: 493 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1062 Number of instances of unregistered ASNs: 1065 Number of 32-bit ASNs allocated by the RIRs: 44132 Number of 32-bit ASNs visible in the Routing Table: 36134 Prefixes from 32-bit ASNs in the Routing Table: 184318 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 566 Number of addresses announced to Internet: 3026930944 Equivalent to 180 /8s, 107 /16s and 77 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 310032 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247403 Total APNIC prefixes after maximum aggregation: 72766 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 239791 Unique aggregates announced from the APNIC address blocks: 100107 APNIC Region origin ASes present in the Internet Routing Table: 13984 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4226 APNIC Region transit ASes present in the Internet Routing Table: 1863 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9424 Number of APNIC addresses announced to Internet: 759960832 Equivalent to 45 /8s, 76 /16s and 21 /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: 273880 Total ARIN prefixes after maximum aggregation: 124215 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278594 Unique aggregates announced from the ARIN address blocks: 133215 ARIN Region origin ASes present in the Internet Routing Table: 19073 ARIN Prefixes per ASN: 14.61 ARIN Region origin ASes announcing only one prefix: 6952 ARIN Region transit ASes present in the Internet Routing Table: 1919 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4861 Number of ARIN addresses announced to Internet: 1268950272 Equivalent to 75 /8s, 162 /16s and 165 /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, 393216-402332 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: 263994 Total RIPE prefixes after maximum aggregation: 126649 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258700 Unique aggregates announced from the RIPE address blocks: 163253 RIPE Region origin ASes present in the Internet Routing Table: 28583 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12122 RIPE Region transit ASes present in the Internet Routing Table: 3971 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11713 Number of RIPE addresses announced to Internet: 714663424 Equivalent to 42 /8s, 152 /16s and 230 /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: 121755 Total LACNIC prefixes after maximum aggregation: 28835 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120035 Unique aggregates announced from the LACNIC address blocks: 49495 LACNIC Region origin ASes present in the Internet Routing Table: 11076 LACNIC Prefixes per ASN: 10.84 LACNIC Region origin ASes announcing only one prefix: 2588 LACNIC Region transit ASes present in the Internet Routing Table: 2389 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8946 Number of LACNIC addresses announced to Internet: 177064960 Equivalent to 10 /8s, 141 /16s and 204 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 30894 Total AfriNIC prefixes after maximum aggregation: 6134 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 41302 Unique aggregates announced from the AfriNIC address blocks: 13146 AfriNIC Region origin ASes present in the Internet Routing Table: 1821 AfriNIC Prefixes per ASN: 22.68 AfriNIC Region origin ASes announcing only one prefix: 646 AfriNIC Region transit ASes present in the Internet Routing Table: 351 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1190 Number of AfriNIC addresses announced to Internet: 105983232 Equivalent to 6 /8s, 81 /16s and 45 /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 9844 8742 63 CHINAMOBILE-CN China Mobile Communicati 7545 5661 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4619 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3874 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3640 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3594 499 261 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2775 862 373 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2201 434 198 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 9842 11368 3440 AMAZON-02, US 11492 4602 305 605 CABLEONE, US 7155 4170 287 90 VIASAT-SP-BACKBONE, US 6327 3605 1320 75 SHAW, CA 22773 3515 3045 230 ASN-CXA-ALL-CCI-22773-RDC, US 174 3307 6630 814 COGENT-174, US 749 3202 54912 2454 DNIC-AS-00749, US 16625 3097 1317 2212 AKAMAI-AS, US 367 2813 3548 1339 DNIC-ASBLK-00306-00371, US 396982 2764 3641 413 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 7728 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3851 3395 126 AKAMAI-ASN1, NL 9009 3276 284 1600 M247, RO 12389 2887 2266 895 ROSTELECOM-AS, RU 8551 2636 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2335 360 586 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 44477 1537 100 729 STARK-INDUSTRIES, GB 8452 1533 1852 14 TE-AS TE-AS, EG 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 12408 3320 495 UNINET, MX 10620 3534 497 888 Telmex Colombia S.A., CO 13999 2524 347 655 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1340 2313 251 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1155 177 430 Techtel LMDS Comunicaciones Interactiva 6503 1133 314 478 Axtel, S.A.B. de C.V., MX 6147 1080 369 22 Telefonica del Peru S.A.A., PE 22884 1072 114 373 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 1502 389 20 LINKdotNET-AS, EG 36992 1365 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1207 76 63 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 555 1861 34 IAM-AS, MA 15399 528 55 55 WANANCHI-, KE 36914 476 82 3 KENET-AS, KE 24757 435 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 12408 3320 495 UNINET, MX 9808 9844 8742 63 CHINAMOBILE-CN China Mobile Communicati 16509 9842 11368 3440 AMAZON-02, US 12479 7728 1709 144 UNI2-AS, ES 7545 5661 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4619 347 23 FPT-AS-AP FPT Telecom Company, VN 11492 4602 305 605 CABLEONE, US 7155 4170 287 90 VIASAT-SP-BACKBONE, US 7552 3874 1330 20 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 9844 9781 CHINAMOBILE-CN China Mobile Communications Grou 12479 7728 7584 UNI2-AS, ES 16509 9842 6402 AMAZON-02, US 7545 5661 4984 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4619 4596 FPT-AS-AP FPT Telecom Company, VN 7155 4170 4080 VIASAT-SP-BACKBONE, US 11492 4602 3997 CABLEONE, US 7552 3874 3854 VIETEL-AS-AP Viettel Group, VN 20940 3851 3725 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 17054 EXPEDIENT, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK 27.0.192.0/22 Transit: 51847 NEAROUTE, HK 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 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 /11:95 /12:297 /13:579 /14:1194 /15:2065 /16:13237 /17:8124 /18:13573 /19:24477 /20:42989 /21:50885 /22:110293 /23:98392 /24:572714 /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 6844 7728 UNI2-AS, ES 8151 6425 12408 UNINET, MX 11492 3515 4602 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3402 3605 SHAW, CA 7155 3114 4170 VIASAT-SP-BACKBONE, US 22773 2613 3515 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2143 2488 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2138 3534 Telmex Colombia S.A., CO 8551 2112 2636 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) ---------------------------------------------- 1:2296 2:1493 3:323 4:6 5:4522 6:161 7:6 8:1506 9:1 11:172 12:1463 13:375 14:2357 15:318 16:209 17:367 18:759 20:357 21:4 22:188 23:6642 24:2716 25:2 27:2587 29:19 31:2690 32:45 34:62 35:124 36:2284 37:4462 38:7207 39:891 40:126 41:4068 42:2204 43:2343 44:316 45:17024 46:4416 47:306 49:1896 50:1923 51:571 52:1584 54:312 55:988 56:5 57:163 58:1984 59:1188 60:1033 61:2614 62:2687 63:1894 64:5530 65:2323 66:4664 67:3000 68:1334 69:4110 70:1192 71:579 72:2892 74:2583 75:1549 76:622 77:2421 78:1847 79:2492 80:2185 81:1954 82:1558 83:1315 84:1642 85:3135 86:840 87:2022 88:1242 89:4060 90:677 91:8088 92:2210 93:2664 94:3665 95:4133 96:1293 97:315 98:1041 99:742 100:78 101:1171 102:3138 103:32476 104:4804 105:635 106:930 107:2757 108:1109 109:4085 110:2120 111:3222 112:2065 113:1807 114:1782 115:2027 116:1869 117:2621 118:2847 119:1967 120:1785 121:1263 122:2664 123:2200 124:1606 125:2846 126:32 128:1436 129:927 130:1110 131:1868 132:803 133:410 134:1717 135:318 136:938 137:1028 138:2830 139:1535 140:1390 141:1357 142:1582 143:1489 144:1005 145:345 146:2055 147:1838 148:2487 149:2545 150:1026 151:1338 152:2017 153:523 154:6471 155:1448 156:2421 157:1702 158:1108 159:2316 160:2634 161:1618 162:3576 163:1712 164:1636 165:2133 166:1161 167:1786 168:3930 169:793 170:4818 171:997 172:3812 173:3029 174:897 175:1202 176:3629 177:4694 178:3580 179:2264 180:2356 181:3704 182:3381 183:2036 184:2276 185:20683 186:5041 187:4510 188:4038 189:4157 190:9349 191:1444 192:10937 193:9056 194:7457 195:5269 196:3141 197:2462 198:5895 199:7613 200:7999 201:6324 202:10191 203:10115 204:4540 205:3716 206:4427 207:3375 208:4128 209:5019 210:4393 211:2486 212:4244 213:3416 214:1082 215:50 216:6763 217:2807 218:1311 219:404 220:1812 221:1032 222:697 223:2210 End of report