IPv4 R&E Routing Table Report 23:05 GMT Sat 08 Jun, 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: 944157 Prefixes after maximum aggregation (per Origin AS): 361248 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464638 Number of IPv4 prefixes with a valid ROA: 478902 Number of IPv4 prefixes with an invalid ROA: 1178 Number of IPv4 prefixes with no ROA: 464077 Total ASes present in the Internet Routing Table: 75702 Prefixes per ASN: 12.47 Origin-only ASes present in the Internet Routing Table: 65149 Origin ASes announcing only one prefix: 26707 Transit ASes present in the Internet Routing Table: 10553 Transit-only ASes present in the Internet Routing Table: 513 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 958 Number of instances of unregistered ASNs: 960 Number of 32-bit ASNs allocated by the RIRs: 44715 Number of 32-bit ASNs visible in the Routing Table: 36500 Prefixes from 32-bit ASNs in the Routing Table: 186486 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 562 Number of addresses announced to Internet: 3023651840 Equivalent to 180 /8s, 57 /16s and 68 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 311017 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249101 Total APNIC prefixes after maximum aggregation: 73407 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241242 Unique aggregates announced from the APNIC address blocks: 101087 APNIC Region origin ASes present in the Internet Routing Table: 14106 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 4300 APNIC Region transit ASes present in the Internet Routing Table: 1873 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9567 Number of APNIC addresses announced to Internet: 761041152 Equivalent to 45 /8s, 92 /16s and 145 /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: 275876 Total ARIN prefixes after maximum aggregation: 125006 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280247 Unique aggregates announced from the ARIN address blocks: 134566 ARIN Region origin ASes present in the Internet Routing Table: 19112 ARIN Prefixes per ASN: 14.66 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1896 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: 4916 Number of ARIN addresses announced to Internet: 1266839552 Equivalent to 75 /8s, 130 /16s and 112 /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, 393216-402332 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: 265119 Total RIPE prefixes after maximum aggregation: 127255 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260065 Unique aggregates announced from the RIPE address blocks: 164756 RIPE Region origin ASes present in the Internet Routing Table: 28643 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12128 RIPE Region transit ASes present in the Internet Routing Table: 3900 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: 11814 Number of RIPE addresses announced to Internet: 713241600 Equivalent to 42 /8s, 131 /16s and 52 /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: 121551 Total LACNIC prefixes after maximum aggregation: 28731 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 119705 Unique aggregates announced from the LACNIC address blocks: 50141 LACNIC Region origin ASes present in the Internet Routing Table: 11102 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2380 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8994 Number of LACNIC addresses announced to Internet: 176664832 Equivalent to 10 /8s, 135 /16s and 177 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 31552 Total AfriNIC prefixes after maximum aggregation: 6210 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 42336 Unique aggregates announced from the AfriNIC address blocks: 13635 AfriNIC Region origin ASes present in the Internet Routing Table: 1839 AfriNIC Prefixes per ASN: 23.02 AfriNIC Region origin ASes announcing only one prefix: 657 AfriNIC Region transit ASes present in the Internet Routing Table: 349 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1209 Number of AfriNIC addresses announced to Internet: 105555968 Equivalent to 6 /8s, 74 /16s and 168 /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 9829 8742 65 CHINAMOBILE-CN China Mobile Communicati 7545 5639 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4220 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3934 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3779 510 262 BBIL-AP BHARTI Airtel Ltd., IN 7713 3638 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3277 1857 103 VNPT-AS-VN VNPT Corp, VN 24560 2795 862 398 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2199 434 199 TATACOMM-AS TATA Communications formerl 45090 2150 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 10023 11397 3563 AMAZON-02, US 11492 4626 307 585 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3548 8782 872 COGENT-174, US 22773 3474 3040 218 ASN-CXA-ALL-CCI-22773-RDC, US 749 3251 54901 2503 DNIC-AS-00749, US 16625 3027 1296 2190 AKAMAI-AS, US 7018 2885 23668 1817 ATT-INTERNET4, US 396982 2759 3633 408 GOOGLE-CLOUD-PLATFORM, 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 7734 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3791 3396 129 AKAMAI-ASN1, NL 9009 3539 302 1766 M247, RO 12389 2916 2294 870 ROSTELECOM-AS, RU 34984 2342 361 576 TELLCOM-AS, TR 8551 1762 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1655 121 1193 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1494 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 12134 3319 511 UNINET, MX 10620 3514 492 936 Telmex Colombia S.A., CO 13999 2547 355 668 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1346 2311 255 Claro NXT Telecomunicacoes Ltda, BR 3816 1323 784 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1245 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1130 315 480 Axtel, S.A.B. de C.V., MX 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 1073 2503 53 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 1613 389 20 LINKdotNET-AS, EG 24835 1557 593 29 RAYA-AS, EG 36992 1376 1520 281 ETISALAT-MISR, EG 36903 1248 554 95 MT-MPLS, MA 29571 1216 77 75 ORANGE-COTE-IVOIRE, CI 36935 933 521 43 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 15399 531 56 56 WANANCHI-, KE 36914 478 82 3 KENET-AS, KE 37342 470 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 12134 3319 511 UNINET, MX 16509 10023 11397 3563 AMAZON-02, US 9808 9829 8742 65 CHINAMOBILE-CN China Mobile Communicati 12479 7734 1708 145 UNI2-AS, ES 7545 5639 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4626 307 585 CABLEONE, US 18403 4220 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3934 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9829 9764 CHINAMOBILE-CN China Mobile Communications Grou 12479 7734 7589 UNI2-AS, ES 16509 10023 6460 AMAZON-02, US 7545 5639 4968 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4220 4197 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4626 4041 CABLEONE, US 7552 3934 3913 VIETEL-AS-AP Viettel Group, VN 20940 3791 3662 AKAMAI-ASN1, NL 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 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 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, 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 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 BTN-ASN, US 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 41.57.112.0/24 Origin: 3741 IS, ZA 41.57.112.0/24 Transit: 2914 NTT-LTD-2914, US 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 /11:93 /12:297 /13:569 /14:1166 /15:2050 /16:13198 /17:8131 /18:13590 /19:24331 /20:43061 /21:51099 /22:110682 /23:99086 /24:576730 /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 6824 7734 UNI2-AS, ES 8151 6191 12134 UNINET, MX 11492 3535 4626 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2580 3474 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2159 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2143 3514 Telmex Colombia S.A., CO 16509 2120 10023 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2280 2:1522 3:349 4:6 5:4547 6:162 7:6 8:1506 9:1 11:172 12:1456 13:362 14:2372 15:319 16:217 17:365 18:765 20:383 21:4 22:188 23:6815 24:2714 25:2 27:2549 29:19 31:2578 32:45 34:65 35:134 36:2310 37:4454 38:7590 39:897 40:133 41:4103 42:2044 43:2342 44:322 45:17102 46:4495 47:307 49:1959 50:1913 51:577 52:1583 54:314 55:996 56:8 57:182 58:2074 59:1197 60:1033 61:2627 62:2719 63:1882 64:5485 65:2316 66:4627 67:2990 68:1312 69:4097 70:1182 71:583 72:2878 74:2586 75:1551 76:622 77:2482 78:1862 79:1776 80:2194 81:2014 82:1617 83:1357 84:1667 85:3166 86:911 87:2024 88:1216 89:4122 90:678 91:8138 92:2317 93:2705 94:3724 95:4197 96:1277 97:315 98:1037 99:738 100:72 101:1167 102:3481 103:32453 104:4768 105:677 106:959 107:2452 108:1142 109:4024 110:2139 111:3252 112:2058 113:1769 114:1805 115:2068 116:1874 117:2663 118:2788 119:1991 120:1770 121:1300 122:2665 123:2213 124:1612 125:2860 126:32 128:1410 129:913 130:1157 131:1839 132:800 133:412 134:1736 135:322 136:1112 137:1043 138:2805 139:1531 140:1364 141:1356 142:1658 143:1573 144:1006 145:367 146:2050 147:1960 148:2512 149:2754 150:1035 151:1351 152:2212 153:525 154:6817 155:1491 156:2264 157:1833 158:1150 159:2308 160:2688 161:1681 162:3560 163:1703 164:1654 165:2154 166:1263 167:1800 168:3985 169:794 170:4883 171:1024 172:3855 173:3038 174:892 175:1232 176:3457 177:4789 178:3678 179:2225 180:2391 181:3746 182:3352 183:1983 184:2260 185:20802 186:4990 187:4551 188:4078 189:4200 190:9430 191:1567 192:10986 193:9126 194:7505 195:5319 196:3195 197:2616 198:5921 199:7902 200:7975 201:6241 202:10185 203:10146 204:4567 205:3633 206:4427 207:3483 208:4153 209:5010 210:4398 211:2528 212:4292 213:3487 214:1060 215:49 216:6792 217:3008 218:1295 219:414 220:1821 221:1034 222:695 223:2213 End of report