IPv4 R&E Routing Table Report 23:05 GMT Fri 12 Jan, 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: 929855 Prefixes after maximum aggregation (per Origin AS): 355407 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455412 Number of IPv4 prefixes with a valid ROA: 436495 Number of IPv4 prefixes with an invalid ROA: 1156 Number of IPv4 prefixes with no ROA: 492204 Total ASes present in the Internet Routing Table: 75050 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64617 Origin ASes announcing only one prefix: 26576 Transit ASes present in the Internet Routing Table: 10433 Transit-only ASes present in the Internet Routing Table: 461 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 36 Max AS path prepend of ASN ( 59588) 31 Prefixes from unregistered ASNs in the Routing Table: 1082 Number of instances of unregistered ASNs: 1084 Number of 32-bit ASNs allocated by the RIRs: 43368 Number of 32-bit ASNs visible in the Routing Table: 35617 Prefixes from 32-bit ASNs in the Routing Table: 178878 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: 489 Number of addresses announced to Internet: 3045681664 Equivalent to 181 /8s, 137 /16s and 106 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 308697 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244681 Total APNIC prefixes after maximum aggregation: 71705 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 237725 Unique aggregates announced from the APNIC address blocks: 99646 APNIC Region origin ASes present in the Internet Routing Table: 13812 APNIC Prefixes per ASN: 17.21 APNIC Region origin ASes announcing only one prefix: 4167 APNIC Region transit ASes present in the Internet Routing Table: 1855 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9224 Number of APNIC addresses announced to Internet: 774181120 Equivalent to 46 /8s, 37 /16s and 17 /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: 272070 Total ARIN prefixes after maximum aggregation: 123315 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 276788 Unique aggregates announced from the ARIN address blocks: 131987 ARIN Region origin ASes present in the Internet Routing Table: 19022 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1842 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: 4825 Number of ARIN addresses announced to Internet: 1271705856 Equivalent to 75 /8s, 204 /16s and 177 /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: 261723 Total RIPE prefixes after maximum aggregation: 125016 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256332 Unique aggregates announced from the RIPE address blocks: 161044 RIPE Region origin ASes present in the Internet Routing Table: 28491 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12137 RIPE Region transit ASes present in the Internet Routing Table: 3887 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11505 Number of RIPE addresses announced to Internet: 714256128 Equivalent to 42 /8s, 146 /16s and 175 /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: 119815 Total LACNIC prefixes after maximum aggregation: 28625 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118497 Unique aggregates announced from the LACNIC address blocks: 49455 LACNIC Region origin ASes present in the Internet Routing Table: 11055 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2349 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8908 Number of LACNIC addresses announced to Internet: 177462272 Equivalent to 10 /8s, 147 /16s and 220 /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: 30484 Total AfriNIC prefixes after maximum aggregation: 6025 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 40024 Unique aggregates announced from the AfriNIC address blocks: 12871 AfriNIC Region origin ASes present in the Internet Routing Table: 1811 AfriNIC Prefixes per ASN: 22.10 AfriNIC Region origin ASes announcing only one prefix: 642 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: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1155 Number of AfriNIC addresses announced to Internet: 107790080 Equivalent to 6 /8s, 108 /16s and 191 /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 9771 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5676 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4545 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3848 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3602 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3428 498 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3274 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2671 858 370 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2188 442 200 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 9477 11203 3360 AMAZON-02, US 11492 4569 303 660 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3569 1320 70 SHAW, CA 22773 3502 3039 290 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3251 1419 2327 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2956 3828 1423 DNIC-ASBLK-00306-00371, US 396982 2746 3639 390 GOOGLE-CLOUD-PLATFORM, US 7018 2512 23622 1575 ATT-INTERNET4, 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 7547 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3994 3397 140 AKAMAI-ASN1, NL 9009 3474 299 1632 M247, RO 8551 2969 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2301 912 ROSTELECOM-AS, RU 34984 2325 359 599 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1515 873 581 TCI, IR 8452 1475 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 12238 3380 615 UNINET, MX 10620 3524 497 889 Telmex Colombia S.A., CO 13999 2498 340 638 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1346 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1238 340 499 Axtel, S.A.B. de C.V., MX 11664 1113 178 421 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1074 117 379 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 1539 389 16 LINKdotNET-AS, EG 36992 1361 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1081 69 55 ORANGE-COTE-IVOIRE, CI 36935 934 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 530 55 49 WANANCHI-, KE 36914 522 82 3 KENET-AS, KE 24757 480 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 12238 3380 615 UNINET, MX 9808 9771 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9477 11203 3360 AMAZON-02, US 12479 7547 1714 146 UNI2-AS, ES 7545 5676 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4569 303 660 CABLEONE, US 18403 4545 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3994 3397 140 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 9771 9721 CHINAMOBILE-CN China Mobile Communications Grou 12479 7547 7401 UNI2-AS, ES 16509 9477 6117 AMAZON-02, US 7545 5676 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4545 4520 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4569 3909 CABLEONE, US 20940 3994 3854 AKAMAI-ASN1, NL 7552 3848 3828 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 8.10.69.0/24 174 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 19589 UNALLOCATED 8.19.242.0/24 23314 ORLANDOTELCO, US 19589 UNALLOCATED 8.19.248.0/24 23314 ORLANDOTELCO, 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 19589 UNALLOCATED 8.26.112.0/23 23314 ORLANDOTELCO, 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 /11:99 /12:300 /13:575 /14:1193 /15:2063 /16:13388 /17:8129 /18:13622 /19:24675 /20:43126 /21:51185 /22:109926 /23:98309 /24:563191 /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 6632 7547 UNI2-AS, ES 8151 6230 12238 UNINET, MX 11492 3482 4569 CABLEONE, US 6327 3374 3569 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2554 3502 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2446 2969 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2127 3524 Telmex Colombia S.A., CO 30036 2127 2471 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2273 2:1467 3:282 4:5 5:4421 6:163 7:6 8:1494 9:1 11:172 12:1482 13:375 14:2331 15:310 16:204 17:361 18:716 20:346 21:4 22:188 23:6587 24:2675 25:2 27:2506 29:19 31:2541 32:53 34:36 35:119 36:2150 37:4484 38:5902 39:888 40:147 41:4141 42:2204 43:2297 44:327 45:16661 46:4317 47:286 49:1896 50:1873 51:574 52:1590 54:366 55:859 56:5 57:128 58:1872 59:1108 60:1012 61:2598 62:2730 63:1903 64:5506 65:2339 66:4927 67:3041 68:1335 69:4073 70:1177 71:579 72:2917 74:2640 75:1555 76:621 77:2341 78:1824 79:2729 80:2130 81:1878 82:1531 83:1312 84:1622 85:3051 86:775 87:1952 88:1225 89:3939 90:661 91:7897 92:2187 93:2629 94:3595 95:4012 96:1288 97:315 98:1013 99:745 100:95 101:1155 102:3042 103:32473 104:4772 105:600 106:909 107:2742 108:1118 109:4059 110:2136 111:3157 112:2078 113:1715 114:1744 115:1999 116:1952 117:2634 118:2777 119:1946 120:1765 121:1259 122:2629 123:2172 124:1592 125:2778 126:28 128:1402 129:895 130:1064 131:1917 132:822 133:410 134:1705 135:305 136:915 137:993 138:2761 139:1563 140:1354 141:1347 142:1539 143:1521 144:1002 145:340 146:1991 147:1650 148:2511 149:2422 150:1017 151:1308 152:1960 153:529 154:5531 155:1368 156:2090 157:1388 158:1080 159:2206 160:2613 161:1620 162:3612 163:1667 164:1613 165:2097 166:1064 167:1699 168:3816 169:791 170:4671 171:980 172:3782 173:2989 174:892 175:1215 176:3599 177:4576 178:3520 179:2211 180:2357 181:3650 182:3409 183:2014 184:2267 185:20494 186:4776 187:4321 188:3987 189:3963 190:9318 191:1463 192:10984 193:8950 194:7361 195:5212 196:3166 197:2597 198:5887 199:6958 200:8030 201:6255 202:10173 203:10046 204:4570 205:3644 206:4371 207:3377 208:4069 209:4908 210:4334 211:2501 212:4213 213:3391 214:1110 215:44 216:6772 217:2764 218:1292 219:414 220:1814 221:1019 222:686 223:2183 End of report