IPv4 R&E Routing Table Report 23:05 GMT Fri 21 Jul, 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: 920252 Prefixes after maximum aggregation (per Origin AS): 350111 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452193 Number of IPv4 prefixes with a valid ROA: 413368 Number of IPv4 prefixes with an invalid ROA: 1545 Number of IPv4 prefixes with no ROA: 505339 Total ASes present in the Internet Routing Table: 74433 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63938 Origin ASes announcing only one prefix: 26270 Transit ASes present in the Internet Routing Table: 10495 Transit-only ASes present in the Internet Routing Table: 453 Paths with bogon ASNs present in the IPv4 Routing Table: 34 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1111 Number of instances of unregistered ASNs: 1113 Number of 32-bit ASNs allocated by the RIRs: 42274 Number of 32-bit ASNs visible in the Routing Table: 34783 Prefixes from 32-bit ASNs in the Routing Table: 173246 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 607 Number of addresses announced to Internet: 3052703488 Equivalent to 181 /8s, 244 /16s and 143 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307828 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240282 Total APNIC prefixes after maximum aggregation: 69122 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 234062 Unique aggregates announced from the APNIC address blocks: 98622 APNIC Region origin ASes present in the Internet Routing Table: 13432 APNIC Prefixes per ASN: 17.43 APNIC Region origin ASes announcing only one prefix: 3972 APNIC Region transit ASes present in the Internet Routing Table: 1796 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8818 Number of APNIC addresses announced to Internet: 772986112 Equivalent to 46 /8s, 18 /16s and 213 /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: 270528 Total ARIN prefixes after maximum aggregation: 123331 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272748 Unique aggregates announced from the ARIN address blocks: 130749 ARIN Region origin ASes present in the Internet Routing Table: 19053 ARIN Prefixes per ASN: 14.32 ARIN Region origin ASes announcing only one prefix: 6965 ARIN Region transit ASes present in the Internet Routing Table: 1890 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4804 Number of ARIN addresses announced to Internet: 1276540416 Equivalent to 76 /8s, 22 /16s and 118 /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: 260209 Total RIPE prefixes after maximum aggregation: 122603 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256823 Unique aggregates announced from the RIPE address blocks: 159989 RIPE Region origin ASes present in the Internet Routing Table: 28334 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 3955 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11241 Number of RIPE addresses announced to Internet: 716859392 Equivalent to 42 /8s, 186 /16s and 104 /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 196608-213403 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: 118482 Total LACNIC prefixes after maximum aggregation: 28429 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117604 Unique aggregates announced from the LACNIC address blocks: 49632 LACNIC Region origin ASes present in the Internet Routing Table: 11002 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2693 LACNIC Region transit ASes present in the Internet Routing Table: 2333 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8809 Number of LACNIC addresses announced to Internet: 178428928 Equivalent to 10 /8s, 162 /16s and 156 /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: 29640 Total AfriNIC prefixes after maximum aggregation: 5891 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 38408 Unique aggregates announced from the AfriNIC address blocks: 12697 AfriNIC Region origin ASes present in the Internet Routing Table: 1761 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 612 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1111 Number of AfriNIC addresses announced to Internet: 107537664 Equivalent to 6 /8s, 104 /16s and 229 /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 9516 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5682 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4243 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3706 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3047 497 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2452 835 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2293 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2183 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 8750 10926 3166 AMAZON-02, US 11492 4524 300 616 CABLEONE, US 7155 4193 289 100 VIASAT-SP-BACKBONE, US 22773 3537 3054 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 16625 3155 1569 2364 AKAMAI-AS, US 749 3140 54962 2392 DNIC-AS-00749, US 367 2766 3755 1325 DNIC-ASBLK-00306-00371, US 396982 2677 3595 383 GOOGLE-CLOUD-PLATFORM, US 30036 2514 362 355 MEDIACOM-ENTERPRISE-BUSINESS, 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 7300 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4078 3398 160 AKAMAI-ASN1, NL 8551 3460 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2898 2293 911 ROSTELECOM-AS, RU 9009 2663 247 1382 M247, RO 34984 2313 361 608 TELLCOM-AS, TR 58224 1824 944 540 TCI, IR 6849 1796 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, UA 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 11617 3357 598 UNINET, MX 10620 3529 507 836 Telmex Colombia S.A., CO 13999 2410 361 631 Mega Cable, S.A. de C.V., MX 11830 2088 369 64 Instituto Costarricense de Electricidad 28573 1317 2322 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 344 511 Axtel, S.A.B. de C.V., MX 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1103 177 435 Techtel LMDS Comunicaciones Interactiva 26615 1038 2500 48 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 1606 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1296 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 37342 505 32 1 MOVITEL, MZ 24757 485 73 5 EthioNet-AS, ET 15399 448 54 47 WANANCHI-, KE 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 11617 3357 598 UNINET, MX 9808 9516 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8750 10926 3166 AMAZON-02, US 12479 7300 1706 141 UNI2-AS, ES 7545 5682 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 616 CABLEONE, US 18403 4243 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 289 100 VIASAT-SP-BACKBONE, US 20940 4078 3398 160 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 9516 9479 CHINAMOBILE-CN China Mobile Communications Grou 12479 7300 7159 UNI2-AS, ES 16509 8750 5584 AMAZON-02, US 7545 5682 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4243 4218 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4078 3918 AKAMAI-ASN1, NL 11492 4524 3908 CABLEONE, US 7552 3706 3685 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 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 6461 ZAYO-6461, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.158.88.0/24 Origin: 20473 AS-CHOOPA, US 23.158.88.0/24 Transit: 2914 NTT-LTD-2914, US 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 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 /10:38 /11:102 /12:296 /13:573 /14:1196 /15:2104 /16:13436 /17:8193 /18:13712 /19:24868 /20:43327 /21:51076 /22:109502 /23:98316 /24:553474 /25:0 /26:1 /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 6388 7300 UNI2-AS, ES 8151 5543 11617 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2929 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2607 3537 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2169 2514 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2088 3529 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) ---------------------------------------------- 1:2178 2:1349 3:241 4:5 5:4504 6:131 7:6 8:1514 9:1 11:172 12:1522 13:379 14:2308 15:301 16:194 17:373 18:524 20:268 21:4 22:188 23:6358 24:2612 25:4 27:2529 29:19 31:2532 32:78 34:26 35:111 36:1976 37:4690 38:5019 39:829 40:152 41:3879 42:2013 43:2297 44:302 45:16659 46:4346 47:377 49:1760 50:1848 51:584 52:1592 54:397 55:974 56:8 57:120 58:1818 59:1095 60:985 61:2506 62:2653 63:1915 64:5557 65:2314 66:4906 67:3042 68:1325 69:4085 70:1206 71:678 72:2980 74:2635 75:1581 76:611 77:2440 78:1811 79:2976 80:2116 81:1799 82:1486 83:1266 84:1522 85:2968 86:765 87:1994 88:1175 89:3831 90:614 91:7789 92:2049 93:2598 94:3582 95:4042 96:1305 97:331 98:1151 99:734 100:95 101:1312 102:2858 103:31716 104:4563 105:501 106:877 107:2555 108:1074 109:4239 110:2107 111:3130 112:2054 113:1741 114:1631 115:1974 116:1894 117:2564 118:2628 119:1973 120:1788 121:1076 122:2560 123:2133 124:1571 125:2466 128:1369 129:1032 130:1004 131:1962 132:845 133:422 134:1796 135:307 136:886 137:961 138:2500 139:1563 140:1255 141:1303 142:1463 143:1496 144:982 145:339 146:1945 147:1607 148:2400 149:2152 150:881 151:1165 152:1945 153:500 154:4675 155:1370 156:1869 157:1320 158:1094 159:2262 160:2589 161:1552 162:3507 163:1550 164:1658 165:1868 166:1051 167:1726 168:3855 169:936 170:4595 171:892 172:3646 173:2966 174:1044 175:1177 176:3721 177:4504 178:3612 179:2148 180:2469 181:3492 182:3401 183:1990 184:2312 185:20504 186:4768 187:4102 188:4102 189:3714 190:9224 191:1379 192:10903 193:8921 194:7306 195:5159 196:3200 197:2300 198:5930 199:6083 200:7957 201:5930 202:10273 203:10097 204:4558 205:3658 206:4289 207:3383 208:4119 209:4894 210:4183 211:2443 212:4245 213:3581 214:1087 215:60 216:6634 217:2751 218:1256 219:414 220:1768 221:960 222:682 223:2157 End of report