IPv4 R&E Routing Table Report 23:05 GMT Sun 17 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: 928907 Prefixes after maximum aggregation (per Origin AS): 355796 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455570 Number of IPv4 prefixes with a valid ROA: 433402 Number of IPv4 prefixes with an invalid ROA: 769 Number of IPv4 prefixes with no ROA: 494736 Total ASes present in the Internet Routing Table: 74925 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64435 Origin ASes announcing only one prefix: 26524 Transit ASes present in the Internet Routing Table: 10490 Transit-only ASes present in the Internet Routing Table: 447 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1022 Number of instances of unregistered ASNs: 1024 Number of 32-bit ASNs allocated by the RIRs: 43235 Number of 32-bit ASNs visible in the Routing Table: 35460 Prefixes from 32-bit ASNs in the Routing Table: 177670 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: 513 Number of addresses announced to Internet: 3046543104 Equivalent to 181 /8s, 150 /16s and 143 /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: 309685 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243698 Total APNIC prefixes after maximum aggregation: 71356 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 236902 Unique aggregates announced from the APNIC address blocks: 99370 APNIC Region origin ASes present in the Internet Routing Table: 13741 APNIC Prefixes per ASN: 17.24 APNIC Region origin ASes announcing only one prefix: 4140 APNIC Region transit ASes present in the Internet Routing Table: 1843 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9140 Number of APNIC addresses announced to Internet: 770188800 Equivalent to 45 /8s, 232 /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: 272322 Total ARIN prefixes after maximum aggregation: 124205 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 276968 Unique aggregates announced from the ARIN address blocks: 132651 ARIN Region origin ASes present in the Internet Routing Table: 19028 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6956 ARIN Region transit ASes present in the Internet Routing Table: 1876 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: 4816 Number of ARIN addresses announced to Internet: 1275306496 Equivalent to 76 /8s, 3 /16s and 162 /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: 261943 Total RIPE prefixes after maximum aggregation: 124926 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256480 Unique aggregates announced from the RIPE address blocks: 160825 RIPE Region origin ASes present in the Internet Routing Table: 28487 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12115 RIPE Region transit ASes present in the Internet Routing Table: 3915 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11476 Number of RIPE addresses announced to Internet: 714604544 Equivalent to 42 /8s, 152 /16s and 0 /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: 119590 Total LACNIC prefixes after maximum aggregation: 28580 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118309 Unique aggregates announced from the LACNIC address blocks: 49397 LACNIC Region origin ASes present in the Internet Routing Table: 11026 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2677 LACNIC Region transit ASes present in the Internet Routing Table: 2362 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8878 Number of LACNIC addresses announced to Internet: 178299648 Equivalent to 10 /8s, 160 /16s and 163 /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: 30332 Total AfriNIC prefixes after maximum aggregation: 6016 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39735 Unique aggregates announced from the AfriNIC address blocks: 12905 AfriNIC Region origin ASes present in the Internet Routing Table: 1806 AfriNIC Prefixes per ASN: 22.00 AfriNIC Region origin ASes announcing only one prefix: 636 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1150 Number of AfriNIC addresses announced to Internet: 107783680 Equivalent to 6 /8s, 108 /16s and 166 /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 9763 8731 43 CHINAMOBILE-CN China Mobile Communicati 7545 5672 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4468 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3636 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3592 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3267 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3258 494 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2644 854 364 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2231 11258 587 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 200 TATACOMM-AS TATA Communications formerl 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 9365 11179 3410 AMAZON-02, US 11492 4561 303 685 CABLEONE, US 7155 4167 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3476 3038 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 16625 3153 1402 2315 AKAMAI-AS, US 367 2937 3836 1401 DNIC-ASBLK-00306-00371, US 396982 2736 3637 383 GOOGLE-CLOUD-PLATFORM, US 7018 2576 23627 1594 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 7591 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3981 3397 140 AKAMAI-ASN1, NL 9009 3496 300 1629 M247, RO 8551 3363 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2898 2300 909 ROSTELECOM-AS, RU 34984 2325 360 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1595 888 593 TCI, IR 8452 1527 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 12145 3379 600 UNINET, MX 10620 3517 496 887 Telmex Colombia S.A., CO 13999 2490 339 634 Mega Cable, S.A. de C.V., MX 11830 2005 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 1092 177 429 Techtel LMDS Comunicaciones Interactiva 6147 1084 369 22 Telefonica del Peru S.A.A., PE 22884 1071 117 382 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 1596 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1049 68 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 523 82 3 KENET-AS, KE 15399 503 53 42 WANANCHI-, KE 37342 490 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 12145 3379 600 UNINET, MX 9808 9763 8731 43 CHINAMOBILE-CN China Mobile Communicati 16509 9365 11179 3410 AMAZON-02, US 12479 7591 1714 146 UNI2-AS, ES 7545 5672 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4561 303 685 CABLEONE, US 18403 4468 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4167 288 96 VIASAT-SP-BACKBONE, US 20940 3981 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 9763 9720 CHINAMOBILE-CN China Mobile Communications Grou 12479 7591 7445 UNI2-AS, ES 16509 9365 5955 AMAZON-02, US 7545 5672 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4468 4443 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4071 VIASAT-SP-BACKBONE, US 11492 4561 3876 CABLEONE, US 20940 3981 3841 AKAMAI-ASN1, NL 7552 3636 3616 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 /10:37 /11:99 /12:298 /13:578 /14:1191 /15:2058 /16:13401 /17:8152 /18:13653 /19:24749 /20:43141 /21:51123 /22:109945 /23:98960 /24:561484 /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 6677 7591 UNI2-AS, ES 8151 6153 12145 UNINET, MX 11492 3476 4561 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3113 4167 VIASAT-SP-BACKBONE, US 8551 2840 3363 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2533 3476 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2130 2475 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2120 3517 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) ---------------------------------------------- 1:2224 2:1408 3:282 4:5 5:4388 6:164 7:6 8:1497 9:1 11:172 12:1489 13:372 14:2322 15:308 16:207 17:360 18:697 20:344 21:4 22:188 23:6569 24:2594 25:2 27:2554 29:19 31:2542 32:53 34:36 35:116 36:2087 37:4489 38:5720 39:881 40:147 41:4112 42:2160 43:2286 44:329 45:16629 46:4390 47:286 49:1895 50:1880 51:571 52:1596 54:381 55:874 56:5 57:126 58:1857 59:1104 60:1009 61:2474 62:2743 63:1906 64:5491 65:2349 66:4960 67:3049 68:1327 69:4051 70:1162 71:608 72:2925 74:2636 75:1551 76:626 77:2333 78:1823 79:3008 80:2110 81:1868 82:1521 83:1320 84:1604 85:2963 86:784 87:1975 88:1230 89:3927 90:650 91:7887 92:2182 93:2632 94:3576 95:4000 96:1296 97:316 98:1017 99:746 100:95 101:1146 102:3009 103:32302 104:4780 105:599 106:977 107:2757 108:1136 109:4169 110:2133 111:3148 112:2074 113:1703 114:1746 115:2003 116:1927 117:2559 118:2750 119:1943 120:1753 121:1239 122:2637 123:2170 124:1581 125:2753 128:1421 129:899 130:1059 131:1983 132:820 133:411 134:1717 135:294 136:910 137:982 138:2726 139:1553 140:1325 141:1354 142:1535 143:1520 144:1000 145:334 146:1995 147:1645 148:2485 149:2388 150:1010 151:1314 152:1839 153:528 154:5342 155:1374 156:2094 157:1364 158:1090 159:2194 160:2624 161:1617 162:3588 163:1628 164:1615 165:1861 166:1080 167:1740 168:3814 169:788 170:4691 171:969 172:3754 173:3013 174:894 175:1212 176:3585 177:4676 178:3525 179:2198 180:2337 181:3599 182:3404 183:2019 184:2266 185:20459 186:4792 187:4294 188:3999 189:3963 190:9274 191:1493 192:10954 193:8982 194:7336 195:5210 196:3131 197:2637 198:5908 199:6764 200:7976 201:6252 202:10185 203:10012 204:4535 205:3650 206:4399 207:3385 208:4080 209:4905 210:4296 211:2486 212:4208 213:3363 214:1117 215:49 216:6764 217:2766 218:1289 219:413 220:1798 221:1016 222:699 223:2191 End of report