IPv4 R&E Routing Table Report 23:05 GMT Wed 05 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: 943716 Prefixes after maximum aggregation (per Origin AS): 361352 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464218 Number of IPv4 prefixes with a valid ROA: 478260 Number of IPv4 prefixes with an invalid ROA: 1192 Number of IPv4 prefixes with no ROA: 464264 Total ASes present in the Internet Routing Table: 75655 Prefixes per ASN: 12.47 Origin-only ASes present in the Internet Routing Table: 65119 Origin ASes announcing only one prefix: 26669 Transit ASes present in the Internet Routing Table: 10536 Transit-only ASes present in the Internet Routing Table: 512 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: 61 Max AS path prepend of ASN ( 53153) 57 Prefixes from unregistered ASNs in the Routing Table: 965 Number of instances of unregistered ASNs: 967 Number of 32-bit ASNs allocated by the RIRs: 44662 Number of 32-bit ASNs visible in the Routing Table: 36472 Prefixes from 32-bit ASNs in the Routing Table: 186443 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: 569 Number of addresses announced to Internet: 3025598976 Equivalent to 180 /8s, 86 /16s and 250 /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: 310630 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249176 Total APNIC prefixes after maximum aggregation: 73408 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241262 Unique aggregates announced from the APNIC address blocks: 101059 APNIC Region origin ASes present in the Internet Routing Table: 14098 APNIC Prefixes per ASN: 17.11 APNIC Region origin ASes announcing only one prefix: 4294 APNIC Region transit ASes present in the Internet Routing Table: 1874 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9553 Number of APNIC addresses announced to Internet: 761017856 Equivalent to 45 /8s, 92 /16s and 54 /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: 275880 Total ARIN prefixes after maximum aggregation: 125087 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280319 Unique aggregates announced from the ARIN address blocks: 134643 ARIN Region origin ASes present in the Internet Routing Table: 19115 ARIN Prefixes per ASN: 14.66 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1892 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: 4919 Number of ARIN addresses announced to Internet: 1267203328 Equivalent to 75 /8s, 135 /16s and 253 /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: 265076 Total RIPE prefixes after maximum aggregation: 127334 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 259892 Unique aggregates announced from the RIPE address blocks: 164547 RIPE Region origin ASes present in the Internet Routing Table: 28618 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12120 RIPE Region transit ASes present in the Internet Routing Table: 3896 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: 11811 Number of RIPE addresses announced to Internet: 713201664 Equivalent to 42 /8s, 130 /16s and 152 /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: 121492 Total LACNIC prefixes after maximum aggregation: 28707 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 119686 Unique aggregates announced from the LACNIC address blocks: 50152 LACNIC Region origin ASes present in the Internet Routing Table: 11096 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2635 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: 8990 Number of LACNIC addresses announced to Internet: 176735232 Equivalent to 10 /8s, 136 /16s and 196 /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: 31127 Total AfriNIC prefixes after maximum aggregation: 6167 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 41988 Unique aggregates announced from the AfriNIC address blocks: 13378 AfriNIC Region origin ASes present in the Internet Routing Table: 1825 AfriNIC Prefixes per ASN: 23.01 AfriNIC Region origin ASes announcing only one prefix: 652 AfriNIC Region transit ASes present in the Internet Routing Table: 347 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1199 Number of AfriNIC addresses announced to Internet: 107130624 Equivalent to 6 /8s, 98 /16s and 175 /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 9826 8742 63 CHINAMOBILE-CN China Mobile Communicati 7545 5636 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4305 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3932 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3775 510 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3638 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3276 1857 103 VNPT-AS-VN VNPT Corp, VN 24560 2800 863 383 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2197 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 9955 11387 3560 AMAZON-02, US 11492 4624 307 587 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3549 8782 875 COGENT-174, US 22773 3462 3024 216 ASN-CXA-ALL-CCI-22773-RDC, US 749 3250 54901 2502 DNIC-AS-00749, US 16625 3032 1307 2197 AKAMAI-AS, US 7018 2883 23668 1815 ATT-INTERNET4, US 396982 2766 3639 412 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 7725 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3795 3396 129 AKAMAI-ASN1, NL 9009 3530 302 1766 M247, RO 12389 2915 2294 870 ROSTELECOM-AS, RU 34984 2350 362 579 TELLCOM-AS, TR 8551 1758 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1690 123 1229 CDNEXT, GB 13188 1592 99 74 TRIOLAN, UA 8452 1528 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 12173 3336 506 UNINET, MX 10620 3513 492 935 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 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1237 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1128 315 480 Axtel, S.A.B. de C.V., MX 6147 1089 369 22 Telefonica del Peru S.A.A., PE 26615 1075 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 1493 389 20 LINKdotNET-AS, EG 36992 1376 1520 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1212 77 79 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 525 56 56 WANANCHI-, KE 36914 482 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 12173 3336 506 UNINET, MX 16509 9955 11387 3560 AMAZON-02, US 9808 9826 8742 63 CHINAMOBILE-CN China Mobile Communicati 12479 7725 1708 145 UNI2-AS, ES 7545 5636 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4624 307 587 CABLEONE, US 18403 4305 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3932 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 9826 9763 CHINAMOBILE-CN China Mobile Communications Grou 12479 7725 7580 UNI2-AS, ES 16509 9955 6395 AMAZON-02, US 7545 5636 4965 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4305 4282 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4624 4037 CABLEONE, US 7552 3932 3911 VIETEL-AS-AP Viettel Group, VN 20940 3795 3666 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 23.179.204.0/24 Origin: 29802 HVC-AS, US 23.179.204.0/24 Transit: 12956 TELXIUS TELXIUS Cable, ES 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 /13:572 /14:1168 /15:2049 /16:13207 /17:8129 /18:13593 /19:24325 /20:43039 /21:51105 /22:110581 /23:99078 /24:576405 /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 6814 7725 UNI2-AS, ES 8151 6218 12173 UNINET, MX 11492 3533 4624 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2569 3462 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2142 3513 Telmex Colombia S.A., CO 16509 2115 9955 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2286 2:1518 3:345 4:6 5:4556 6:162 7:6 8:1507 9:1 11:172 12:1462 13:353 14:2372 15:319 16:217 17:367 18:758 20:385 21:4 22:188 23:6811 24:2715 25:2 27:2552 29:19 31:2574 32:45 34:65 35:135 36:2309 37:4456 38:7612 39:898 40:133 41:4008 42:2077 43:2336 44:320 45:17092 46:4491 47:306 49:1957 50:1911 51:577 52:1579 54:313 55:998 56:7 57:179 58:2080 59:1197 60:1031 61:2626 62:2769 63:1878 64:5479 65:2315 66:4650 67:2993 68:1314 69:4091 70:1179 71:578 72:2875 74:2588 75:1548 76:622 77:2480 78:1858 79:1773 80:2197 81:2020 82:1621 83:1354 84:1665 85:3167 86:907 87:2019 88:1245 89:4091 90:679 91:8103 92:2318 93:2708 94:3729 95:4199 96:1277 97:315 98:1035 99:737 100:72 101:1165 102:3427 103:32424 104:4777 105:677 106:959 107:2501 108:1145 109:3977 110:2139 111:3251 112:2045 113:1781 114:1803 115:2065 116:1869 117:2662 118:2804 119:1995 120:1777 121:1300 122:2683 123:2211 124:1613 125:2860 126:32 128:1409 129:909 130:1151 131:1840 132:802 133:412 134:1736 135:322 136:1113 137:1043 138:2820 139:1530 140:1376 141:1347 142:1652 143:1565 144:1006 145:367 146:2062 147:1961 148:2514 149:2744 150:1033 151:1350 152:2212 153:525 154:6870 155:1489 156:2260 157:1828 158:1152 159:2316 160:2684 161:1700 162:3553 163:1707 164:1651 165:2154 166:1259 167:1796 168:3966 169:810 170:4911 171:1022 172:3853 173:3038 174:892 175:1230 176:3457 177:4718 178:3671 179:2224 180:2389 181:3750 182:3352 183:1991 184:2260 185:20793 186:4998 187:4544 188:4046 189:4222 190:9423 191:1523 192:10996 193:9108 194:7505 195:5308 196:3152 197:2551 198:5908 199:7884 200:7985 201:6265 202:10204 203:10151 204:4571 205:3622 206:4431 207:3488 208:4146 209:4997 210:4393 211:2527 212:4266 213:3490 214:1065 215:49 216:6789 217:3005 218:1294 219:413 220:1808 221:1036 222:695 223:2215 End of report