IPv4 R&E Routing Table Report 23:05 GMT Fri 02 Feb, 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: 931650 Prefixes after maximum aggregation (per Origin AS): 356127 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456062 Number of IPv4 prefixes with a valid ROA: 440093 Number of IPv4 prefixes with an invalid ROA: 1055 Number of IPv4 prefixes with no ROA: 490502 Total ASes present in the Internet Routing Table: 75135 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64666 Origin ASes announcing only one prefix: 26537 Transit ASes present in the Internet Routing Table: 10469 Transit-only ASes present in the Internet Routing Table: 461 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1071 Number of instances of unregistered ASNs: 1073 Number of 32-bit ASNs allocated by the RIRs: 43551 Number of 32-bit ASNs visible in the Routing Table: 35738 Prefixes from 32-bit ASNs in the Routing Table: 180122 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 488 Number of addresses announced to Internet: 3042763008 Equivalent to 181 /8s, 92 /16s and 225 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 309083 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245287 Total APNIC prefixes after maximum aggregation: 71958 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238197 Unique aggregates announced from the APNIC address blocks: 99898 APNIC Region origin ASes present in the Internet Routing Table: 13861 APNIC Prefixes per ASN: 17.18 APNIC Region origin ASes announcing only one prefix: 4177 APNIC Region transit ASes present in the Internet Routing Table: 1856 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9285 Number of APNIC addresses announced to Internet: 773998848 Equivalent to 46 /8s, 34 /16s and 73 /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: 273299 Total ARIN prefixes after maximum aggregation: 123409 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277997 Unique aggregates announced from the ARIN address blocks: 131994 ARIN Region origin ASes present in the Internet Routing Table: 19046 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1857 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: 4835 Number of ARIN addresses announced to Internet: 1269591040 Equivalent to 75 /8s, 172 /16s and 108 /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: 261559 Total RIPE prefixes after maximum aggregation: 125334 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256252 Unique aggregates announced from the RIPE address blocks: 161012 RIPE Region origin ASes present in the Internet Routing Table: 28504 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12088 RIPE Region transit ASes present in the Internet Routing Table: 3897 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11548 Number of RIPE addresses announced to Internet: 714164736 Equivalent to 42 /8s, 145 /16s and 74 /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: 120091 Total LACNIC prefixes after maximum aggregation: 28608 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 118733 Unique aggregates announced from the LACNIC address blocks: 49595 LACNIC Region origin ASes present in the Internet Routing Table: 11051 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2362 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8904 Number of LACNIC addresses announced to Internet: 177696000 Equivalent to 10 /8s, 151 /16s and 109 /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: 30343 Total AfriNIC prefixes after maximum aggregation: 6102 AfriNIC Deaggregation factor: 4.97 Prefixes being announced from the AfriNIC address blocks: 39983 Unique aggregates announced from the AfriNIC address blocks: 13161 AfriNIC Region origin ASes present in the Internet Routing Table: 1817 AfriNIC Prefixes per ASN: 22.00 AfriNIC Region origin ASes announcing only one prefix: 644 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1166 Number of AfriNIC addresses announced to Internet: 107025152 Equivalent to 6 /8s, 97 /16s and 19 /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 9818 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5678 784 684 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4568 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3872 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3593 1038 55 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3473 499 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3282 1872 98 VNPT-AS-VN VNPT Corp, VN 24560 2688 858 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2185 434 196 TATACOMM-AS TATA Communications formerl 45090 2149 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 9589 11245 3371 AMAZON-02, US 11492 4577 304 662 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3614 3043 290 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3592 1320 74 SHAW, CA 16625 3230 1416 2304 AKAMAI-AS, US 749 3185 54927 2437 DNIC-AS-00749, US 174 3019 6636 661 COGENT-174, US 367 2917 3723 1410 DNIC-ASBLK-00306-00371, US 396982 2752 3639 392 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 7571 1698 148 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3894 3396 132 AKAMAI-ASN1, NL 9009 3275 285 1585 M247, RO 12389 2886 2301 908 ROSTELECOM-AS, RU 8551 2700 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2343 362 596 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1497 1852 14 TE-AS TE-AS, EG 44477 1478 97 715 STARK-INDUSTRIES, GB 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 12399 3386 621 UNINET, MX 10620 3520 496 895 Telmex Colombia S.A., CO 13999 2502 337 640 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1325 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1125 177 428 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1071 117 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1548 545 28 RAYA-AS, EG 24863 1530 389 16 LINKdotNET-AS, EG 36992 1365 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1102 71 57 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 36914 526 82 3 KENET-AS, KE 15399 525 55 53 WANANCHI-, KE 24757 488 73 5 EthioNet-AS, ET 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 12399 3386 621 UNINET, MX 9808 9818 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9589 11245 3371 AMAZON-02, US 12479 7571 1698 148 UNI2-AS, ES 7545 5678 784 684 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4577 304 662 CABLEONE, US 18403 4568 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3894 3396 132 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 9818 9767 CHINAMOBILE-CN China Mobile Communications Grou 12479 7571 7423 UNI2-AS, ES 16509 9589 6218 AMAZON-02, US 7545 5678 4994 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4568 4543 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4577 3915 CABLEONE, US 7552 3872 3852 VIETEL-AS-AP Viettel Group, VN 20940 3894 3762 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 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 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 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 3356 LEVEL3, 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /11:98 /12:300 /13:575 /14:1193 /15:2066 /16:13347 /17:8101 /18:13555 /19:24630 /20:42970 /21:51108 /22:109883 /23:98686 /24:565064 /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 6681 7571 UNI2-AS, ES 8151 6365 12399 UNINET, MX 11492 3491 4577 CABLEONE, US 6327 3391 3592 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2659 3614 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2176 2700 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2129 2472 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2126 3520 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) ---------------------------------------------- 1:2298 2:1537 3:291 4:5 5:4460 6:163 7:6 8:1493 9:1 11:172 12:1479 13:379 14:2332 15:311 16:203 17:360 18:721 20:352 21:4 22:188 23:6575 24:2706 25:2 27:2551 29:19 31:2559 32:53 34:36 35:121 36:2163 37:4474 38:6662 39:900 40:151 41:4043 42:2207 43:2302 44:328 45:16754 46:4287 47:285 49:1898 50:1892 51:572 52:1592 54:359 55:887 56:5 57:138 58:1958 59:1143 60:1018 61:2622 62:2708 63:1916 64:5514 65:2337 66:4880 67:3055 68:1336 69:4094 70:1197 71:579 72:2929 74:2644 75:1556 76:623 77:2354 78:1841 79:2506 80:2133 81:1884 82:1516 83:1245 84:1623 85:3083 86:770 87:1957 88:1216 89:3948 90:668 91:7926 92:2185 93:2623 94:3605 95:4041 96:1288 97:318 98:1030 99:743 100:95 101:1156 102:3055 103:32459 104:4769 105:595 106:913 107:2755 108:1129 109:4015 110:2147 111:3158 112:2061 113:1726 114:1747 115:1980 116:1943 117:2640 118:2753 119:1943 120:1784 121:1260 122:2632 123:2193 124:1559 125:2805 126:28 128:1455 129:914 130:1073 131:1809 132:817 133:410 134:1705 135:309 136:919 137:1011 138:2770 139:1550 140:1316 141:1341 142:1551 143:1518 144:1012 145:342 146:1998 147:1675 148:2505 149:2496 150:1021 151:1319 152:1970 153:528 154:5625 155:1364 156:2093 157:1466 158:1087 159:2197 160:2606 161:1617 162:3598 163:1684 164:1612 165:2103 166:1059 167:1698 168:3806 169:793 170:4708 171:992 172:3805 173:2996 174:897 175:1216 176:3622 177:4563 178:3513 179:2210 180:2365 181:3669 182:3420 183:2013 184:2278 185:20507 186:4776 187:4360 188:3999 189:4036 190:9285 191:1439 192:10961 193:8971 194:7326 195:5209 196:3120 197:2622 198:5893 199:7102 200:8004 201:6340 202:10134 203:10116 204:4538 205:3688 206:4372 207:3402 208:4097 209:4878 210:4353 211:2503 212:4234 213:3407 214:1110 215:44 216:6805 217:2771 218:1311 219:423 220:1823 221:1019 222:691 223:2198 End of report