IPv4 R&E Routing Table Report 23:05 GMT Fri 01 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: 928000 Prefixes after maximum aggregation (per Origin AS): 355042 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455049 Number of IPv4 prefixes with a valid ROA: 430617 Number of IPv4 prefixes with an invalid ROA: 1398 Number of IPv4 prefixes with no ROA: 495985 Total ASes present in the Internet Routing Table: 74857 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64413 Origin ASes announcing only one prefix: 26475 Transit ASes present in the Internet Routing Table: 10444 Transit-only ASes present in the Internet Routing Table: 449 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 36 Max AS path prepend of ASN (150235) 30 Prefixes from unregistered ASNs in the Routing Table: 1034 Number of instances of unregistered ASNs: 1036 Number of 32-bit ASNs allocated by the RIRs: 43144 Number of 32-bit ASNs visible in the Routing Table: 35379 Prefixes from 32-bit ASNs in the Routing Table: 177179 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: 542 Number of addresses announced to Internet: 3047329280 Equivalent to 181 /8s, 162 /16s and 142 /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: 308951 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243955 Total APNIC prefixes after maximum aggregation: 71152 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 237228 Unique aggregates announced from the APNIC address blocks: 99461 APNIC Region origin ASes present in the Internet Routing Table: 13700 APNIC Prefixes per ASN: 17.32 APNIC Region origin ASes announcing only one prefix: 4114 APNIC Region transit ASes present in the Internet Routing Table: 1842 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: 9095 Number of APNIC addresses announced to Internet: 770779648 Equivalent to 45 /8s, 241 /16s and 42 /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: 272031 Total ARIN prefixes after maximum aggregation: 123961 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 276708 Unique aggregates announced from the ARIN address blocks: 132484 ARIN Region origin ASes present in the Internet Routing Table: 19030 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1856 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: 4815 Number of ARIN addresses announced to Internet: 1276090624 Equivalent to 76 /8s, 15 /16s and 153 /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: 261620 Total RIPE prefixes after maximum aggregation: 124697 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256128 Unique aggregates announced from the RIPE address blocks: 160409 RIPE Region origin ASes present in the Internet Routing Table: 28447 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12090 RIPE Region transit ASes present in the Internet Routing Table: 3886 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11437 Number of RIPE addresses announced to Internet: 714305280 Equivalent to 42 /8s, 147 /16s and 111 /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: 119332 Total LACNIC prefixes after maximum aggregation: 28537 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118114 Unique aggregates announced from the LACNIC address blocks: 49452 LACNIC Region origin ASes present in the Internet Routing Table: 11029 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2339 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8884 Number of LACNIC addresses announced to Internet: 178274048 Equivalent to 10 /8s, 160 /16s and 63 /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: 30028 Total AfriNIC prefixes after maximum aggregation: 6006 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 39280 Unique aggregates announced from the AfriNIC address blocks: 12809 AfriNIC Region origin ASes present in the Internet Routing Table: 1805 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 632 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: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1148 Number of AfriNIC addresses announced to Internet: 107510272 Equivalent to 6 /8s, 104 /16s and 122 /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 9734 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5678 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4390 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3640 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3598 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3383 494 249 BBIL-AP BHARTI Airtel Ltd., IN 45899 3259 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2633 853 369 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2232 11258 588 KIXS-AS-KR Korea Telecom, KR 4755 2192 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 9359 11175 3339 AMAZON-02, US 11492 4557 302 678 CABLEONE, US 7155 4163 288 95 VIASAT-SP-BACKBONE, US 6327 3559 1320 68 SHAW, CA 22773 3498 3034 289 ASN-CXA-ALL-CCI-22773-RDC, US 749 3164 54930 2416 DNIC-AS-00749, US 16625 3155 1402 2313 AKAMAI-AS, US 367 3001 3848 1424 DNIC-ASBLK-00306-00371, US 396982 2722 3631 372 GOOGLE-CLOUD-PLATFORM, US 7018 2573 23619 1608 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 7512 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3998 3397 141 AKAMAI-ASN1, NL 9009 3470 300 1609 M247, RO 8551 3436 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2301 912 ROSTELECOM-AS, RU 34984 2327 361 586 TELLCOM-AS, TR 58224 1611 895 587 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1515 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 12124 3378 608 UNINET, MX 10620 3525 499 870 Telmex Colombia S.A., CO 13999 2475 338 645 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad 28573 1339 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1248 341 504 Axtel, S.A.B. de C.V., MX 11664 1086 173 433 Techtel LMDS Comunicaciones Interactiva 6147 1081 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 1594 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1046 67 51 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 536 56 53 WANANCHI-, KE 37342 491 32 1 MOVITEL, MZ 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 12124 3378 608 UNINET, MX 9808 9734 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9359 11175 3339 AMAZON-02, US 12479 7512 1714 146 UNI2-AS, ES 7545 5678 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4557 302 678 CABLEONE, US 18403 4390 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4163 288 95 VIASAT-SP-BACKBONE, US 20940 3998 3397 141 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 9734 9693 CHINAMOBILE-CN China Mobile Communications Grou 12479 7512 7366 UNI2-AS, ES 16509 9359 6020 AMAZON-02, US 7545 5678 4984 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4390 4365 FPT-AS-AP FPT Telecom Company, VN 7155 4163 4068 VIASAT-SP-BACKBONE, US 11492 4557 3879 CABLEONE, US 20940 3998 3857 AKAMAI-ASN1, NL 7552 3640 3620 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 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 /14:1189 /15:2057 /16:13405 /17:8184 /18:13669 /19:24753 /20:43081 /21:51077 /22:109950 /23:99058 /24:560525 /25:0 /26:2 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6605 7512 UNI2-AS, ES 8151 6131 12124 UNINET, MX 11492 3471 4557 CABLEONE, US 6327 3367 3559 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3112 4163 VIASAT-SP-BACKBONE, US 8551 2913 3436 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2563 3498 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2137 2481 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2118 3525 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) ---------------------------------------------- 1:2240 2:1426 3:278 4:5 5:4370 6:160 7:6 8:1491 9:1 11:172 12:1490 13:374 14:2319 15:303 16:205 17:359 18:693 20:319 21:4 22:188 23:6502 24:2561 25:2 27:2575 29:19 31:2541 32:53 34:33 35:116 36:2046 37:4448 38:5685 39:881 40:150 41:3971 42:2114 43:2291 44:331 45:16599 46:4372 47:310 49:1882 50:1873 51:572 52:1594 54:393 55:866 56:5 57:125 58:1834 59:1114 60:1009 61:2585 62:2708 63:1899 64:5469 65:2349 66:4971 67:3052 68:1353 69:4091 70:1175 71:606 72:2924 74:2617 75:1561 76:624 77:2335 78:1826 79:3024 80:2109 81:1846 82:1517 83:1318 84:1608 85:2965 86:781 87:1945 88:1231 89:3945 90:637 91:7875 92:2157 93:2636 94:3567 95:3991 96:1298 97:315 98:1013 99:737 100:94 101:1411 102:2983 103:32447 104:4785 105:590 106:972 107:2743 108:1136 109:4207 110:2129 111:3143 112:2078 113:1693 114:1732 115:1999 116:1923 117:2566 118:2747 119:1952 120:1771 121:1222 122:2624 123:2168 124:1591 125:2746 128:1427 129:899 130:1051 131:1981 132:818 133:410 134:1718 135:301 136:916 137:985 138:2717 139:1560 140:1339 141:1348 142:1533 143:1528 144:998 145:341 146:1990 147:1633 148:2458 149:2320 150:1007 151:1289 152:1830 153:525 154:5283 155:1375 156:2102 157:1360 158:1053 159:2200 160:2617 161:1617 162:3563 163:1625 164:1620 165:1861 166:1101 167:1760 168:3808 169:796 170:4676 171:965 172:3760 173:2994 174:901 175:1204 176:3612 177:4566 178:3533 179:2170 180:2290 181:3604 182:3404 183:2024 184:2252 185:20418 186:4733 187:4284 188:3958 189:3963 190:9281 191:1489 192:10966 193:8962 194:7294 195:5193 196:3132 197:2481 198:5926 199:6601 200:8001 201:6231 202:10217 203:10040 204:4575 205:3662 206:4375 207:3408 208:4076 209:4872 210:4245 211:2466 212:4222 213:3390 214:1128 215:64 216:6732 217:2745 218:1286 219:412 220:1800 221:1008 222:696 223:2193 End of report