IPv4 R&E Routing Table Report 23:05 GMT Tue 16 Jan, 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: 929328 Prefixes after maximum aggregation (per Origin AS): 355555 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455326 Number of IPv4 prefixes with a valid ROA: 436266 Number of IPv4 prefixes with an invalid ROA: 1142 Number of IPv4 prefixes with no ROA: 491920 Total ASes present in the Internet Routing Table: 75064 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64542 Origin ASes announcing only one prefix: 26542 Transit ASes present in the Internet Routing Table: 10522 Transit-only ASes present in the Internet Routing Table: 463 Paths with bogon ASNs present in the IPv4 Routing Table: 6 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 37 Max AS path prepend of ASN ( 59588) 31 Prefixes from unregistered ASNs in the Routing Table: 1075 Number of instances of unregistered ASNs: 1077 Number of 32-bit ASNs allocated by the RIRs: 43390 Number of 32-bit ASNs visible in the Routing Table: 35640 Prefixes from 32-bit ASNs in the Routing Table: 179045 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: 482 Number of addresses announced to Internet: 3046467584 Equivalent to 181 /8s, 149 /16s and 104 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 308147 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244720 Total APNIC prefixes after maximum aggregation: 71732 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 237736 Unique aggregates announced from the APNIC address blocks: 99697 APNIC Region origin ASes present in the Internet Routing Table: 13824 APNIC Prefixes per ASN: 17.20 APNIC Region origin ASes announcing only one prefix: 4168 APNIC Region transit ASes present in the Internet Routing Table: 1857 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9238 Number of APNIC addresses announced to Internet: 774326528 Equivalent to 46 /8s, 39 /16s and 73 /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: 272074 Total ARIN prefixes after maximum aggregation: 123391 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276733 Unique aggregates announced from the ARIN address blocks: 131906 ARIN Region origin ASes present in the Internet Routing Table: 19015 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6944 ARIN Region transit ASes present in the Internet Routing Table: 1858 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4820 Number of ARIN addresses announced to Internet: 1271656448 Equivalent to 75 /8s, 203 /16s and 240 /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: 261161 Total RIPE prefixes after maximum aggregation: 125038 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 255810 Unique aggregates announced from the RIPE address blocks: 161009 RIPE Region origin ASes present in the Internet Routing Table: 28492 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12131 RIPE Region transit ASes present in the Internet Routing Table: 3917 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11514 Number of RIPE addresses announced to Internet: 714267904 Equivalent to 42 /8s, 146 /16s and 221 /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: 119760 Total LACNIC prefixes after maximum aggregation: 28631 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118448 Unique aggregates announced from the LACNIC address blocks: 49449 LACNIC Region origin ASes present in the Internet Routing Table: 11060 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2375 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8908 Number of LACNIC addresses announced to Internet: 178105600 Equivalent to 10 /8s, 157 /16s and 173 /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: 30538 Total AfriNIC prefixes after maximum aggregation: 6043 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 40119 Unique aggregates announced from the AfriNIC address blocks: 12861 AfriNIC Region origin ASes present in the Internet Routing Table: 1813 AfriNIC Prefixes per ASN: 22.13 AfriNIC Region origin ASes announcing only one prefix: 645 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1160 Number of AfriNIC addresses announced to Internet: 107826176 Equivalent to 6 /8s, 109 /16s and 76 /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 9772 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5675 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4578 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3865 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3602 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3435 499 255 BBIL-AP BHARTI Airtel Ltd., IN 45899 3276 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2677 859 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 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 9475 11200 3363 AMAZON-02, US 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3570 1320 70 SHAW, CA 22773 3506 3041 294 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3231 1409 2314 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2963 3829 1426 DNIC-ASBLK-00306-00371, US 396982 2746 3639 390 GOOGLE-CLOUD-PLATFORM, US 7018 2517 23623 1580 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 7552 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 4001 3397 140 AKAMAI-ASN1, NL 9009 3350 291 1609 M247, RO 12389 2904 2303 915 ROSTELECOM-AS, RU 8551 2579 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2327 359 599 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1509 867 579 TCI, IR 8452 1479 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 12245 3380 614 UNINET, MX 10620 3527 497 884 Telmex Colombia S.A., CO 13999 2492 338 639 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1342 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1238 340 499 Axtel, S.A.B. de C.V., MX 11664 1117 179 421 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 24835 1548 545 28 RAYA-AS, EG 24863 1532 389 16 LINKdotNET-AS, EG 36992 1363 1518 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1086 70 56 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 536 56 53 WANANCHI-, KE 36914 524 82 3 KENET-AS, KE 24757 482 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 12245 3380 614 UNINET, MX 9808 9772 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9475 11200 3363 AMAZON-02, US 12479 7552 1714 146 UNI2-AS, ES 7545 5675 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4578 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4567 303 671 CABLEONE, US 7155 4177 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 9772 9721 CHINAMOBILE-CN China Mobile Communications Grou 12479 7552 7406 UNI2-AS, ES 16509 9475 6112 AMAZON-02, US 7545 5675 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4578 4553 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4567 3896 CABLEONE, US 20940 4001 3861 AKAMAI-ASN1, NL 7552 3865 3845 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 17054 EXPEDIENT, US 19589 UNALLOCATED 8.19.242.0/24 23314 ORLANDOTELCO, US 19589 UNALLOCATED 8.19.248.0/24 23314 ORLANDOTELCO, 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 19589 UNALLOCATED 8.26.112.0/23 23314 ORLANDOTELCO, 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /12:300 /13:575 /14:1193 /15:2064 /16:13400 /17:8131 /18:13627 /19:24675 /20:43153 /21:51181 /22:109867 /23:98365 /24:562624 /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 6635 7552 UNI2-AS, ES 8151 6237 12245 UNINET, MX 11492 3481 4567 CABLEONE, US 6327 3374 3570 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2553 3506 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2130 3527 Telmex Colombia S.A., CO 30036 2128 2471 MEDIACOM-ENTERPRISE-BUSINESS, US 8551 2055 2579 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) ---------------------------------------------- 1:2293 2:1467 3:283 4:5 5:4418 6:163 7:6 8:1495 9:1 11:172 12:1481 13:375 14:2334 15:310 16:203 17:361 18:717 20:346 21:4 22:188 23:6595 24:2674 25:2 27:2514 29:19 31:2530 32:53 34:36 35:119 36:2149 37:4478 38:5918 39:887 40:147 41:4122 42:2218 43:2289 44:326 45:16664 46:4313 47:286 49:1895 50:1876 51:574 52:1591 54:364 55:775 56:5 57:129 58:1874 59:1112 60:1015 61:2599 62:2723 63:1903 64:5513 65:2340 66:4865 67:3042 68:1335 69:4083 70:1176 71:579 72:2919 74:2639 75:1550 76:621 77:2341 78:1827 79:2351 80:2128 81:1891 82:1529 83:1303 84:1625 85:3050 86:772 87:1954 88:1223 89:3946 90:659 91:7886 92:2187 93:2634 94:3603 95:4015 96:1289 97:314 98:1013 99:744 100:96 101:1165 102:3046 103:32451 104:4794 105:600 106:909 107:2748 108:1118 109:4055 110:2136 111:3145 112:2084 113:1726 114:1739 115:2000 116:1952 117:2637 118:2765 119:1946 120:1768 121:1259 122:2637 123:2172 124:1552 125:2783 126:28 128:1409 129:891 130:1065 131:1922 132:819 133:410 134:1709 135:305 136:920 137:1000 138:2750 139:1560 140:1300 141:1345 142:1536 143:1522 144:1004 145:340 146:1985 147:1656 148:2513 149:2417 150:1016 151:1306 152:1961 153:528 154:5590 155:1369 156:2096 157:1397 158:1087 159:2207 160:2600 161:1620 162:3601 163:1669 164:1614 165:2099 166:1066 167:1699 168:3776 169:788 170:4666 171:988 172:3773 173:2993 174:892 175:1217 176:3602 177:4578 178:3518 179:2206 180:2358 181:3639 182:3413 183:2017 184:2271 185:20491 186:4748 187:4324 188:3979 189:3950 190:9306 191:1473 192:10985 193:8949 194:7350 195:5214 196:3166 197:2603 198:5883 199:6983 200:8021 201:6246 202:10127 203:10042 204:4572 205:3677 206:4366 207:3394 208:4076 209:4902 210:4336 211:2501 212:4216 213:3398 214:1113 215:44 216:6773 217:2750 218:1293 219:414 220:1814 221:1019 222:686 223:2189 End of report