IPv4 R&E Routing Table Report 23:05 GMT Tue 11 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: 944616 Prefixes after maximum aggregation (per Origin AS): 361362 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464880 Number of IPv4 prefixes with a valid ROA: 479849 Number of IPv4 prefixes with an invalid ROA: 1146 Number of IPv4 prefixes with no ROA: 463621 Total ASes present in the Internet Routing Table: 75705 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65153 Origin ASes announcing only one prefix: 26700 Transit ASes present in the Internet Routing Table: 10552 Transit-only ASes present in the Internet Routing Table: 507 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: 966 Number of instances of unregistered ASNs: 968 Number of 32-bit ASNs allocated by the RIRs: 44730 Number of 32-bit ASNs visible in the Routing Table: 36504 Prefixes from 32-bit ASNs in the Routing Table: 186748 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: 573 Number of addresses announced to Internet: 3023584256 Equivalent to 180 /8s, 56 /16s and 60 /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: 311141 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249081 Total APNIC prefixes after maximum aggregation: 73443 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241192 Unique aggregates announced from the APNIC address blocks: 101142 APNIC Region origin ASes present in the Internet Routing Table: 14117 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4298 APNIC Region transit ASes present in the Internet Routing Table: 1875 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: 9570 Number of APNIC addresses announced to Internet: 761067264 Equivalent to 45 /8s, 92 /16s and 247 /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: 275891 Total ARIN prefixes after maximum aggregation: 125005 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280344 Unique aggregates announced from the ARIN address blocks: 134582 ARIN Region origin ASes present in the Internet Routing Table: 19108 ARIN Prefixes per ASN: 14.67 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1894 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: 4915 Number of ARIN addresses announced to Internet: 1266701312 Equivalent to 75 /8s, 128 /16s and 84 /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: 265213 Total RIPE prefixes after maximum aggregation: 127321 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260072 Unique aggregates announced from the RIPE address blocks: 164766 RIPE Region origin ASes present in the Internet Routing Table: 28648 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12123 RIPE Region transit ASes present in the Internet Routing Table: 3910 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: 11818 Number of RIPE addresses announced to Internet: 713297920 Equivalent to 42 /8s, 132 /16s and 16 /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: 121791 Total LACNIC prefixes after maximum aggregation: 28744 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 119932 Unique aggregates announced from the LACNIC address blocks: 50284 LACNIC Region origin ASes present in the Internet Routing Table: 11097 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2649 LACNIC Region transit ASes present in the Internet Routing Table: 2372 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: 8988 Number of LACNIC addresses announced to Internet: 176631296 Equivalent to 10 /8s, 135 /16s and 46 /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: 31674 Total AfriNIC prefixes after maximum aggregation: 6214 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 42503 Unique aggregates announced from the AfriNIC address blocks: 13640 AfriNIC Region origin ASes present in the Internet Routing Table: 1848 AfriNIC Prefixes per ASN: 23.00 AfriNIC Region origin ASes announcing only one prefix: 666 AfriNIC Region transit ASes present in the Internet Routing Table: 351 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: 1213 Number of AfriNIC addresses announced to Internet: 105579008 Equivalent to 6 /8s, 75 /16s and 2 /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 5638 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4177 347 23 UNASSIGNED 7552 3934 1331 21 UNASSIGNED 9498 3779 510 262 BBIL-AP BHARTI Airtel Ltd., IN 7713 3598 1043 64 UNASSIGNED 45899 3277 1857 103 UNASSIGNED 24560 2824 863 400 UNASSIGNED 4755 2196 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 10020 11396 3575 AMAZON-02, US 11492 4629 307 575 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3549 8782 872 COGENT-174, US 22773 3470 3040 217 ASN-CXA-ALL-CCI-22773-RDC, US 749 3251 54901 2503 UNASSIGNED 16625 3043 1303 2198 AKAMAI-AS, US 7018 2884 23668 1816 ATT-INTERNET4, US 396982 2758 3619 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 7728 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3798 3396 129 AKAMAI-ASN1, NL 9009 3579 305 1800 M247, RO 12389 2915 2294 869 ROSTELECOM-AS, RU 34984 2347 361 577 TELLCOM-AS, TR 8551 1769 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1685 122 1223 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1527 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 12171 3322 506 UNINET, MX 10620 3514 492 936 Telmex Colombia S.A., CO 13999 2550 356 668 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1344 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1249 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1130 315 480 Axtel, S.A.B. de C.V., MX 6147 1090 369 22 Telefonica del Peru S.A.A., PE 26615 1076 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 1615 389 16 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1377 1520 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1216 77 75 ORANGE-COTE-IVOIRE, CI 36935 940 521 43 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 15399 531 56 56 WANANCHI-, KE 36914 483 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 12171 3322 506 UNINET, MX 16509 10020 11396 3575 AMAZON-02, US 9808 9829 8742 65 CHINAMOBILE-CN China Mobile Communicati 12479 7728 1708 145 UNI2-AS, ES 7545 5638 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4629 307 575 CABLEONE, US 18403 4177 347 23 UNASSIGNED 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3934 1331 21 UNASSIGNED 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 7728 7583 UNI2-AS, ES 16509 10020 6445 AMAZON-02, US 7545 5638 4967 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4177 4154 UNASSIGNED 7155 4166 4078 VIASAT-SP-BACKBONE, US 11492 4629 4054 CABLEONE, US 7552 3934 3913 UNASSIGNED 20940 3798 3669 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.189.192.0/24 Origin: 27593 UNASSIGNED 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 /14:1165 /15:2051 /16:13196 /17:8130 /18:13573 /19:24332 /20:43044 /21:51100 /22:110738 /23:99133 /24:577121 /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 6816 7728 UNI2-AS, ES 8151 6217 12171 UNINET, MX 11492 3536 4629 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2577 3470 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2154 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2143 3514 Telmex Colombia S.A., CO 16509 2134 10020 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2284 2:1524 3:348 4:6 5:4554 6:160 7:6 8:1507 9:1 11:172 12:1454 13:359 14:2371 15:319 16:217 17:367 18:764 20:376 21:4 22:188 23:6814 24:2705 25:2 27:2550 29:19 31:2578 32:45 34:65 35:135 36:2311 37:4448 38:7604 39:897 40:141 41:4122 42:2031 43:2348 44:322 45:17096 46:4489 47:305 49:1957 50:1878 51:579 52:1580 54:313 55:1000 56:8 57:181 58:2069 59:1197 60:1033 61:2627 62:2720 63:1883 64:5485 65:2317 66:4635 67:2992 68:1313 69:4095 70:1180 71:581 72:2871 74:2586 75:1545 76:622 77:2480 78:1860 79:1781 80:2184 81:2011 82:1622 83:1357 84:1674 85:3165 86:916 87:2023 88:1216 89:4130 90:679 91:8142 92:2313 93:2706 94:3720 95:4190 96:1277 97:316 98:1042 99:740 100:72 101:1161 102:3484 103:32422 104:4787 105:661 106:991 107:2473 108:1146 109:4034 110:2139 111:3252 112:2058 113:1770 114:1810 115:2068 116:1873 117:2656 118:2781 119:1990 120:1773 121:1300 122:2679 123:2213 124:1611 125:2860 126:32 128:1415 129:914 130:1155 131:1853 132:801 133:412 134:1731 135:322 136:1110 137:1045 138:2814 139:1530 140:1375 141:1358 142:1658 143:1601 144:1006 145:370 146:2058 147:1971 148:2518 149:2758 150:1034 151:1353 152:2212 153:525 154:6852 155:1493 156:2270 157:1836 158:1153 159:2315 160:2701 161:1699 162:3560 163:1700 164:1656 165:2158 166:1268 167:1801 168:4000 169:794 170:4903 171:1023 172:3855 173:3045 174:892 175:1233 176:3454 177:4830 178:3673 179:2212 180:2390 181:3738 182:3354 183:1982 184:2261 185:20811 186:4950 187:4523 188:4073 189:4259 190:9431 191:1511 192:10986 193:9125 194:7507 195:5316 196:3198 197:2643 198:5918 199:7915 200:8017 201:6314 202:10169 203:10159 204:4564 205:3637 206:4419 207:3483 208:4155 209:5019 210:4402 211:2527 212:4327 213:3489 214:1077 215:49 216:6776 217:3007 218:1295 219:414 220:1817 221:1036 222:695 223:2213 End of report