IPv4 R&E Routing Table Report 23:05 GMT Wed 29 May, 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: 945589 Prefixes after maximum aggregation (per Origin AS): 361158 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 462745 Number of IPv4 prefixes with a valid ROA: 478177 Number of IPv4 prefixes with an invalid ROA: 1121 Number of IPv4 prefixes with no ROA: 466291 Total ASes present in the Internet Routing Table: 75687 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65093 Origin ASes announcing only one prefix: 26693 Transit ASes present in the Internet Routing Table: 10594 Transit-only ASes present in the Internet Routing Table: 504 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 86 Max AS path prepend of ASN ( 37447) 82 Prefixes from unregistered ASNs in the Routing Table: 1105 Number of instances of unregistered ASNs: 1107 Number of 32-bit ASNs allocated by the RIRs: 44579 Number of 32-bit ASNs visible in the Routing Table: 36439 Prefixes from 32-bit ASNs in the Routing Table: 186426 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: 713 Number of addresses announced to Internet: 3027256576 Equivalent to 180 /8s, 112 /16s and 69 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 312500 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249165 Total APNIC prefixes after maximum aggregation: 73314 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 241400 Unique aggregates announced from the APNIC address blocks: 101131 APNIC Region origin ASes present in the Internet Routing Table: 14073 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4280 APNIC Region transit ASes present in the Internet Routing Table: 1869 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9527 Number of APNIC addresses announced to Internet: 761014016 Equivalent to 45 /8s, 92 /16s and 39 /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: 275791 Total ARIN prefixes after maximum aggregation: 124645 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280482 Unique aggregates announced from the ARIN address blocks: 133804 ARIN Region origin ASes present in the Internet Routing Table: 19123 ARIN Prefixes per ASN: 14.67 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1926 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: 4910 Number of ARIN addresses announced to Internet: 1267826688 Equivalent to 75 /8s, 145 /16s and 128 /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: 266425 Total RIPE prefixes after maximum aggregation: 127365 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 261022 Unique aggregates announced from the RIPE address blocks: 164408 RIPE Region origin ASes present in the Internet Routing Table: 28665 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12148 RIPE Region transit ASes present in the Internet Routing Table: 3910 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: 11819 Number of RIPE addresses announced to Internet: 714041856 Equivalent to 42 /8s, 143 /16s and 106 /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: 121692 Total LACNIC prefixes after maximum aggregation: 28988 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119896 Unique aggregates announced from the LACNIC address blocks: 49751 LACNIC Region origin ASes present in the Internet Routing Table: 11079 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2636 LACNIC Region transit ASes present in the Internet Routing Table: 2381 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8973 Number of LACNIC addresses announced to Internet: 176752896 Equivalent to 10 /8s, 137 /16s and 9 /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: 31411 Total AfriNIC prefixes after maximum aggregation: 6171 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 42076 Unique aggregates announced from the AfriNIC address blocks: 13191 AfriNIC Region origin ASes present in the Internet Routing Table: 1842 AfriNIC Prefixes per ASN: 22.84 AfriNIC Region origin ASes announcing only one prefix: 655 AfriNIC Region transit ASes present in the Internet Routing Table: 345 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 86 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1210 Number of AfriNIC addresses announced to Internet: 107213824 Equivalent to 6 /8s, 99 /16s and 244 /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 9832 8742 63 CHINAMOBILE-CN China Mobile Communicati 7545 5636 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4450 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3931 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3756 509 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3639 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3274 1857 103 VNPT-AS-VN VNPT Corp, VN 24560 2795 863 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2198 434 199 TATACOMM-AS TATA Communications formerl 45090 2151 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 9984 11390 3528 AMAZON-02, US 11492 4610 306 597 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3530 8783 877 COGENT-174, US 22773 3476 3026 226 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54904 2474 DNIC-AS-00749, US 16625 3041 1304 2191 AKAMAI-AS, US 7018 2851 23662 1802 ATT-INTERNET4, US 396982 2765 3639 411 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 7756 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3808 3396 129 AKAMAI-ASN1, NL 9009 3502 299 1778 M247, RO 12389 2916 2294 871 ROSTELECOM-AS, RU 8551 2638 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2342 362 580 TELLCOM-AS, TR 212238 1673 122 1217 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1579 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 12209 3320 495 UNINET, MX 10620 3511 492 942 Telmex Colombia S.A., CO 13999 2545 355 666 Mega Cable, S.A. de C.V., MX 11830 1999 369 64 Instituto Costarricense de Electricidad 28573 1347 2311 255 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1187 177 439 Techtel LMDS Comunicaciones Interactiva 6503 1128 315 480 Axtel, S.A.B. de C.V., MX 6147 1085 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 24835 1569 577 29 RAYA-AS, EG 24863 1494 389 20 LINKdotNET-AS, EG 36992 1376 1520 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1208 77 62 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 535 56 56 WANANCHI-, KE 36914 471 82 3 KENET-AS, KE 37342 467 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 12209 3320 495 UNINET, MX 16509 9984 11390 3528 AMAZON-02, US 9808 9832 8742 63 CHINAMOBILE-CN China Mobile Communicati 12479 7756 1708 145 UNI2-AS, ES 7545 5636 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4610 306 597 CABLEONE, US 18403 4450 347 24 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3931 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 9832 9769 CHINAMOBILE-CN China Mobile Communications Grou 12479 7756 7611 UNI2-AS, ES 16509 9984 6456 AMAZON-02, US 7545 5636 4966 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4450 4426 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4610 4013 CABLEONE, US 7552 3931 3910 VIETEL-AS-AP Viettel Group, VN 20940 3808 3679 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 23.147.240.0/24 Origin: 398208 RESERVED, ZZ 23.147.240.0/24 Transit: 19930 EQUINIX-EC-CH, US 23.178.248.0/24 Origin: 14923 AS-GTS-OK-01, US 23.178.248.0/24 Transit: 21738 ROZINT, 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 /12:298 /13:573 /14:1168 /15:2051 /16:13219 /17:8146 /18:13608 /19:24366 /20:43107 /21:51110 /22:110769 /23:99057 /24:577950 /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 6850 7756 UNI2-AS, ES 8151 6239 12209 UNINET, MX 11492 3525 4610 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2578 3476 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2178 2521 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2140 3511 Telmex Colombia S.A., CO 16509 2120 9984 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2294 2:1516 3:348 4:6 5:4554 6:162 7:6 8:1507 9:1 11:172 12:1461 13:364 14:2370 15:319 16:211 17:365 18:769 20:378 21:4 22:188 23:6827 24:2710 25:2 27:2549 29:19 31:2574 32:45 34:65 35:134 36:2311 37:4480 38:7564 39:896 40:125 41:4085 42:2149 43:2345 44:319 45:17091 46:4502 47:306 49:1953 50:1911 51:575 52:1584 54:313 55:967 56:5 57:178 58:2033 59:1195 60:1029 61:2631 62:2676 63:1885 64:5507 65:2349 66:4656 67:2991 68:1309 69:4079 70:1181 71:585 72:2872 74:2574 75:1551 76:621 77:2472 78:1857 79:2516 80:2183 81:2018 82:1630 83:1340 84:1664 85:3171 86:908 87:2015 88:1243 89:4115 90:686 91:8123 92:2309 93:2710 94:3740 95:4183 96:1269 97:315 98:1034 99:738 100:73 101:1168 102:3456 103:32540 104:4774 105:677 106:949 107:2774 108:1143 109:4188 110:2145 111:3252 112:2055 113:1776 114:1801 115:2063 116:1877 117:2654 118:2839 119:1983 120:1776 121:1285 122:2683 123:2203 124:1618 125:2862 126:32 128:1418 129:923 130:1142 131:1831 132:801 133:412 134:1736 135:322 136:1105 137:1038 138:2819 139:1532 140:1370 141:1342 142:1646 143:1549 144:1013 145:366 146:2054 147:1950 148:2514 149:2737 150:1036 151:1338 152:2163 153:525 154:6614 155:1454 156:2278 157:1808 158:1150 159:2341 160:2666 161:1697 162:3557 163:1703 164:1653 165:2152 166:1247 167:1795 168:3967 169:805 170:4899 171:1028 172:3852 173:3047 174:890 175:1223 176:3683 177:4848 178:3695 179:2233 180:2368 181:3737 182:3398 183:2006 184:2261 185:20793 186:5005 187:4523 188:4082 189:4177 190:9432 191:1658 192:10992 193:9099 194:7508 195:5303 196:3178 197:2610 198:5930 199:7862 200:7967 201:6235 202:10190 203:10145 204:4566 205:3601 206:4441 207:3479 208:4141 209:5003 210:4390 211:2527 212:4291 213:3455 214:1070 215:49 216:6835 217:3002 218:1294 219:414 220:1818 221:1036 222:713 223:2211 End of report