IPv4 R&E Routing Table Report 23:05 GMT Fri 22 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: 929600 Prefixes after maximum aggregation (per Origin AS): 355886 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455411 Number of IPv4 prefixes with a valid ROA: 434239 Number of IPv4 prefixes with an invalid ROA: 727 Number of IPv4 prefixes with no ROA: 494634 Total ASes present in the Internet Routing Table: 74969 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64588 Origin ASes announcing only one prefix: 26556 Transit ASes present in the Internet Routing Table: 10381 Transit-only ASes present in the Internet Routing Table: 449 Paths with bogon ASNs present in the IPv4 Routing Table: 5 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: 1009 Number of instances of unregistered ASNs: 1011 Number of 32-bit ASNs allocated by the RIRs: 43257 Number of 32-bit ASNs visible in the Routing Table: 35513 Prefixes from 32-bit ASNs in the Routing Table: 178006 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: 504 Number of addresses announced to Internet: 3046547200 Equivalent to 181 /8s, 150 /16s and 159 /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: 309639 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244075 Total APNIC prefixes after maximum aggregation: 71371 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237252 Unique aggregates announced from the APNIC address blocks: 99386 APNIC Region origin ASes present in the Internet Routing Table: 13750 APNIC Prefixes per ASN: 17.25 APNIC Region origin ASes announcing only one prefix: 4147 APNIC Region transit ASes present in the Internet Routing Table: 1842 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9155 Number of APNIC addresses announced to Internet: 770491648 Equivalent to 45 /8s, 236 /16s and 197 /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: 272626 Total ARIN prefixes after maximum aggregation: 124251 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 277271 Unique aggregates announced from the ARIN address blocks: 132681 ARIN Region origin ASes present in the Internet Routing Table: 19031 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1833 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4823 Number of ARIN addresses announced to Internet: 1275370496 Equivalent to 76 /8s, 4 /16s and 156 /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: 261654 Total RIPE prefixes after maximum aggregation: 124918 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256341 Unique aggregates announced from the RIPE address blocks: 160750 RIPE Region origin ASes present in the Internet Routing Table: 28491 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12119 RIPE Region transit ASes present in the Internet Routing Table: 3875 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11483 Number of RIPE addresses announced to Internet: 714325760 Equivalent to 42 /8s, 147 /16s and 191 /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: 119894 Total LACNIC prefixes after maximum aggregation: 28622 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118569 Unique aggregates announced from the LACNIC address blocks: 49390 LACNIC Region origin ASes present in the Internet Routing Table: 11043 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2340 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: 8892 Number of LACNIC addresses announced to Internet: 178347520 Equivalent to 10 /8s, 161 /16s and 94 /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: 30342 Total AfriNIC prefixes after maximum aggregation: 6019 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39663 Unique aggregates announced from the AfriNIC address blocks: 12786 AfriNIC Region origin ASes present in the Internet Routing Table: 1817 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 650 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1160 Number of AfriNIC addresses announced to Internet: 107719680 Equivalent to 6 /8s, 107 /16s and 172 /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 9770 8737 47 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4532 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3650 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3599 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3304 494 251 BBIL-AP BHARTI Airtel Ltd., IN 45899 3269 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2658 856 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2230 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 9460 11200 3346 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4164 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3468 3033 286 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3199 1418 2326 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2968 3857 1418 DNIC-ASBLK-00306-00371, US 396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US 7018 2526 23623 1574 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 7565 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3993 3397 139 AKAMAI-ASN1, NL 9009 3501 301 1635 M247, RO 8551 3369 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2908 2301 911 ROSTELECOM-AS, RU 34984 2330 360 593 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1528 874 586 TCI, IR 44477 1452 95 719 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 12158 3382 599 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2493 339 636 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 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1244 341 502 Axtel, S.A.B. de C.V., MX 11664 1099 177 430 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1073 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 24863 1588 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1053 68 50 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 509 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 12158 3382 599 UNINET, MX 9808 9770 8737 47 CHINAMOBILE-CN China Mobile Communicati 16509 9460 11200 3346 AMAZON-02, US 12479 7565 1714 146 UNI2-AS, ES 7545 5677 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4532 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4164 288 96 VIASAT-SP-BACKBONE, US 20940 3993 3397 139 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 9770 9723 CHINAMOBILE-CN China Mobile Communications Grou 12479 7565 7419 UNI2-AS, ES 16509 9460 6114 AMAZON-02, US 7545 5677 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4532 4507 FPT-AS-AP FPT Telecom Company, VN 7155 4164 4068 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3993 3854 AKAMAI-ASN1, NL 7552 3650 3630 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 /13:577 /14:1191 /15:2058 /16:13389 /17:8160 /18:13651 /19:24754 /20:43142 /21:51202 /22:109936 /23:99144 /24:561924 /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 6653 7565 UNI2-AS, ES 8151 6161 12158 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3110 4164 VIASAT-SP-BACKBONE, US 8551 2846 3369 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2533 3468 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2122 3519 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) ---------------------------------------------- 1:2284 2:1405 3:283 4:5 5:4383 6:163 7:6 8:1492 9:1 11:172 12:1489 13:375 14:2330 15:309 16:205 17:360 18:709 20:344 21:4 22:188 23:6553 24:2592 25:2 27:2547 29:19 31:2544 32:53 34:36 35:116 36:2100 37:4484 38:5764 39:882 40:147 41:4116 42:2189 43:2286 44:325 45:16600 46:4377 47:285 49:1896 50:1882 51:571 52:1595 54:377 55:886 56:5 57:127 58:1856 59:1111 60:1012 61:2501 62:2721 63:1906 64:5497 65:2342 66:4960 67:3042 68:1329 69:4045 70:1160 71:609 72:2924 74:2628 75:1547 76:625 77:2337 78:1823 79:3016 80:2112 81:1864 82:1523 83:1319 84:1600 85:2969 86:788 87:1968 88:1226 89:3947 90:658 91:7900 92:2173 93:2633 94:3579 95:3994 96:1298 97:316 98:1014 99:737 100:94 101:1149 102:3013 103:32271 104:4787 105:600 106:977 107:2763 108:1142 109:4161 110:2127 111:3153 112:2075 113:1709 114:1748 115:2008 116:1933 117:2566 118:2759 119:1942 120:1753 121:1241 122:2631 123:2174 124:1582 125:2766 128:1421 129:900 130:1065 131:1961 132:825 133:409 134:1703 135:292 136:910 137:1030 138:2742 139:1548 140:1338 141:1348 142:1534 143:1536 144:999 145:337 146:2016 147:1635 148:2485 149:2380 150:1013 151:1310 152:1840 153:528 154:5393 155:1369 156:2092 157:1368 158:1080 159:2199 160:2621 161:1612 162:3593 163:1623 164:1610 165:1854 166:1067 167:1738 168:3821 169:786 170:4703 171:975 172:3767 173:3014 174:891 175:1216 176:3580 177:4657 178:3519 179:2201 180:2343 181:3615 182:3407 183:2026 184:2269 185:20451 186:4840 187:4314 188:3929 189:3954 190:9321 191:1500 192:10992 193:8973 194:7330 195:5212 196:3133 197:2620 198:5903 199:6830 200:8020 201:6239 202:10187 203:10033 204:4570 205:3645 206:4379 207:3381 208:4068 209:4906 210:4322 211:2494 212:4211 213:3362 214:1116 215:49 216:6751 217:2766 218:1289 219:415 220:1797 221:1019 222:699 223:2194 End of report