IPv4 R&E Routing Table Report 23:05 GMT Mon 11 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: 928126 Prefixes after maximum aggregation (per Origin AS): 355487 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455296 Number of IPv4 prefixes with a valid ROA: 432467 Number of IPv4 prefixes with an invalid ROA: 709 Number of IPv4 prefixes with no ROA: 494950 Total ASes present in the Internet Routing Table: 74938 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64416 Origin ASes announcing only one prefix: 26541 Transit ASes present in the Internet Routing Table: 10522 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 988 Number of instances of unregistered ASNs: 990 Number of 32-bit ASNs allocated by the RIRs: 43222 Number of 32-bit ASNs visible in the Routing Table: 35444 Prefixes from 32-bit ASNs in the Routing Table: 177527 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: 503 Number of addresses announced to Internet: 3047192064 Equivalent to 181 /8s, 160 /16s and 118 /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: 309096 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243687 Total APNIC prefixes after maximum aggregation: 71271 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 236830 Unique aggregates announced from the APNIC address blocks: 99246 APNIC Region origin ASes present in the Internet Routing Table: 13728 APNIC Prefixes per ASN: 17.25 APNIC Region origin ASes announcing only one prefix: 4134 APNIC Region transit ASes present in the Internet Routing Table: 1854 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9117 Number of APNIC addresses announced to Internet: 770716160 Equivalent to 45 /8s, 240 /16s and 50 /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: 272009 Total ARIN prefixes after maximum aggregation: 124187 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 276654 Unique aggregates announced from the ARIN address blocks: 132763 ARIN Region origin ASes present in the Internet Routing Table: 19032 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6976 ARIN Region transit ASes present in the Internet Routing Table: 1888 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: 4812 Number of ARIN addresses announced to Internet: 1275561984 Equivalent to 76 /8s, 7 /16s and 136 /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: 261255 Total RIPE prefixes after maximum aggregation: 124771 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 255854 Unique aggregates announced from the RIPE address blocks: 160609 RIPE Region origin ASes present in the Internet Routing Table: 28489 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12125 RIPE Region transit ASes present in the Internet Routing Table: 3925 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11469 Number of RIPE addresses announced to Internet: 714502144 Equivalent to 42 /8s, 150 /16s and 112 /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: 119731 Total LACNIC prefixes after maximum aggregation: 28568 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118461 Unique aggregates announced from the LACNIC address blocks: 49438 LACNIC Region origin ASes present in the Internet Routing Table: 11050 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2353 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: 8892 Number of LACNIC addresses announced to Internet: 178371840 Equivalent to 10 /8s, 161 /16s and 189 /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: 30456 Total AfriNIC prefixes after maximum aggregation: 6021 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39824 Unique aggregates announced from the AfriNIC address blocks: 12827 AfriNIC Region origin ASes present in the Internet Routing Table: 1810 AfriNIC Prefixes per ASN: 22.00 AfriNIC Region origin ASes announcing only one prefix: 635 AfriNIC Region transit ASes present in the Internet Routing Table: 342 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1154 Number of AfriNIC addresses announced to Internet: 107678208 Equivalent to 6 /8s, 107 /16s and 10 /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 9737 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5630 783 681 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4426 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3637 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3599 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3266 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3252 494 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2641 853 367 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2233 11258 589 KIXS-AS-KR Korea Telecom, KR 4755 2188 442 199 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 9405 11177 3369 AMAZON-02, US 11492 4550 302 689 CABLEONE, US 7155 4166 288 96 VIASAT-SP-BACKBONE, US 6327 3559 1320 68 SHAW, CA 22773 3502 3039 298 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3171 1409 2317 AKAMAI-AS, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2975 3824 1416 DNIC-ASBLK-00306-00371, US 396982 2727 3633 378 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 7578 1714 146 UNI2-AS, ES 39891 4502 267 55 ALJAWWALSTC-AS, SA 20940 3994 3397 140 AKAMAI-ASN1, NL 9009 3497 300 1630 M247, RO 8551 3001 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2871 2299 903 ROSTELECOM-AS, RU 34984 2325 360 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1595 888 593 TCI, IR 8452 1540 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 12144 3379 601 UNINET, MX 10620 3527 499 872 Telmex Colombia S.A., CO 13999 2482 338 637 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1341 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1085 176 431 Techtel LMDS Comunicaciones Interactiva 6147 1080 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 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 24863 1595 389 16 LINKdotNET-AS, EG 24835 1543 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1048 67 51 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 36914 524 82 3 KENET-AS, KE 15399 522 55 51 WANANCHI-, KE 37342 491 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 12144 3379 601 UNINET, MX 9808 9737 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9405 11177 3369 AMAZON-02, US 12479 7578 1714 146 UNI2-AS, ES 7545 5630 783 681 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4550 302 689 CABLEONE, US 39891 4502 267 55 ALJAWWALSTC-AS, SA 18403 4426 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4166 288 96 VIASAT-SP-BACKBONE, US 20940 3994 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 9737 9696 CHINAMOBILE-CN China Mobile Communications Grou 12479 7578 7432 UNI2-AS, ES 16509 9405 6036 AMAZON-02, US 7545 5630 4949 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4502 4447 ALJAWWALSTC-AS, SA 18403 4426 4401 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4070 VIASAT-SP-BACKBONE, US 11492 4550 3861 CABLEONE, US 20940 3994 3854 AKAMAI-ASN1, NL 7552 3637 3617 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 /14:1190 /15:2058 /16:13406 /17:8192 /18:13675 /19:24778 /20:43115 /21:51122 /22:109997 /23:99195 /24:560348 /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 6664 7578 UNI2-AS, ES 8151 6149 12144 UNINET, MX 11492 3470 4550 CABLEONE, US 6327 3367 3559 SHAW, CA 39891 3256 4502 ALJAWWALSTC-AS, SA 7155 3112 4166 VIASAT-SP-BACKBONE, US 22773 2557 3502 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2478 3001 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2127 2472 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3527 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) ---------------------------------------------- 1:2244 2:1414 3:279 4:5 5:4384 6:159 7:6 8:1495 9:1 11:172 12:1487 13:366 14:2319 15:302 16:206 17:360 18:704 20:328 21:4 22:188 23:6516 24:2519 25:2 27:2571 29:19 31:2542 32:53 34:34 35:116 36:2047 37:4459 38:5714 39:881 40:147 41:4099 42:2136 43:2299 44:328 45:16644 46:4365 47:286 49:1894 50:1875 51:571 52:1595 54:393 55:802 56:5 57:125 58:1846 59:1104 60:1001 61:2470 62:2738 63:1903 64:5461 65:2347 66:4980 67:3042 68:1356 69:4037 70:1174 71:605 72:2922 74:2623 75:1564 76:624 77:2271 78:1822 79:2928 80:2120 81:1867 82:1515 83:1321 84:1602 85:2963 86:782 87:1968 88:1230 89:3917 90:648 91:7886 92:2181 93:2633 94:3581 95:3995 96:1297 97:316 98:1016 99:738 100:94 101:1146 102:3001 103:32285 104:4774 105:610 106:976 107:2746 108:1137 109:3881 110:2128 111:3141 112:2073 113:1694 114:1746 115:1997 116:1931 117:2560 118:2747 119:1944 120:1755 121:1227 122:2631 123:2170 124:1582 125:2745 128:1427 129:898 130:1054 131:1978 132:821 133:410 134:1718 135:295 136:914 137:981 138:2715 139:1557 140:1339 141:1355 142:1533 143:1529 144:1002 145:333 146:1994 147:1599 148:2472 149:2382 150:1009 151:1288 152:1824 153:526 154:5326 155:1377 156:2124 157:1370 158:1086 159:2196 160:2623 161:1617 162:3558 163:1628 164:1621 165:1867 166:1069 167:1760 168:3816 169:792 170:4689 171:968 172:3756 173:3009 174:899 175:1212 176:3585 177:4649 178:3502 179:2224 180:2315 181:3599 182:3403 183:2022 184:2252 185:20465 186:4741 187:4308 188:3983 189:3952 190:9320 191:1474 192:10956 193:8958 194:7285 195:5204 196:3141 197:2650 198:5918 199:6681 200:8060 201:6241 202:10186 203:10015 204:4570 205:3652 206:4387 207:3369 208:4063 209:4897 210:4285 211:2482 212:4209 213:3388 214:1116 215:64 216:6738 217:2745 218:1289 219:413 220:1796 221:1012 222:698 223:2195 End of report