IPv4 R&E Routing Table Report 23:05 GMT Tue 09 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: 930551 Prefixes after maximum aggregation (per Origin AS): 356274 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 456025 Number of IPv4 prefixes with a valid ROA: 435018 Number of IPv4 prefixes with an invalid ROA: 1149 Number of IPv4 prefixes with no ROA: 494384 Total ASes present in the Internet Routing Table: 74998 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64588 Origin ASes announcing only one prefix: 26562 Transit ASes present in the Internet Routing Table: 10410 Transit-only ASes present in the Internet Routing Table: 452 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: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1062 Number of instances of unregistered ASNs: 1064 Number of 32-bit ASNs allocated by the RIRs: 43337 Number of 32-bit ASNs visible in the Routing Table: 35573 Prefixes from 32-bit ASNs in the Routing Table: 178761 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: 477 Number of addresses announced to Internet: 3047379712 Equivalent to 181 /8s, 163 /16s and 83 /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: 309499 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244649 Total APNIC prefixes after maximum aggregation: 71608 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237724 Unique aggregates announced from the APNIC address blocks: 99556 APNIC Region origin ASes present in the Internet Routing Table: 13779 APNIC Prefixes per ASN: 17.25 APNIC Region origin ASes announcing only one prefix: 4150 APNIC Region transit ASes present in the Internet Routing Table: 1850 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9188 Number of APNIC addresses announced to Internet: 774164992 Equivalent to 46 /8s, 36 /16s and 210 /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: 273088 Total ARIN prefixes after maximum aggregation: 124293 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277823 Unique aggregates announced from the ARIN address blocks: 132907 ARIN Region origin ASes present in the Internet Routing Table: 19032 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1843 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: 4823 Number of ARIN addresses announced to Internet: 1273018112 Equivalent to 75 /8s, 224 /16s and 183 /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: 261522 Total RIPE prefixes after maximum aggregation: 124994 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256050 Unique aggregates announced from the RIPE address blocks: 160896 RIPE Region origin ASes present in the Internet Routing Table: 28486 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12136 RIPE Region transit ASes present in the Internet Routing Table: 3874 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: 11503 Number of RIPE addresses announced to Internet: 714343168 Equivalent to 42 /8s, 148 /16s and 3 /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: 119766 Total LACNIC prefixes after maximum aggregation: 28659 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118486 Unique aggregates announced from the LACNIC address blocks: 49446 LACNIC Region origin ASes present in the Internet Routing Table: 11051 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2345 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: 8903 Number of LACNIC addresses announced to Internet: 177737984 Equivalent to 10 /8s, 152 /16s and 17 /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: 30464 Total AfriNIC prefixes after maximum aggregation: 6021 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39991 Unique aggregates announced from the AfriNIC address blocks: 12825 AfriNIC Region origin ASes present in the Internet Routing Table: 1814 AfriNIC Prefixes per ASN: 22.05 AfriNIC Region origin ASes announcing only one prefix: 645 AfriNIC Region transit ASes present in the Internet Routing Table: 341 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 36 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1156 Number of AfriNIC addresses announced to Internet: 107835392 Equivalent to 6 /8s, 109 /16s and 112 /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 9759 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5676 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4552 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3844 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3601 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3425 498 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3271 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2668 857 378 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2186 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 9438 11195 3379 AMAZON-02, US 11492 4564 303 677 CABLEONE, US 7155 4176 288 95 VIASAT-SP-BACKBONE, US 6327 3567 1320 70 SHAW, CA 22773 3504 3039 290 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3209 1421 2325 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2967 3838 1424 DNIC-ASBLK-00306-00371, US 396982 2745 3639 390 GOOGLE-CLOUD-PLATFORM, US 7018 2507 23623 1577 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 7545 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3989 3397 140 AKAMAI-ASN1, NL 9009 3466 298 1624 M247, RO 8551 2986 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2911 2301 912 ROSTELECOM-AS, RU 34984 2325 359 599 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1514 873 580 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 12210 3380 613 UNINET, MX 10620 3523 497 888 Telmex Colombia S.A., CO 13999 2497 340 638 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1113 178 420 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1075 118 379 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 1531 389 16 LINKdotNET-AS, EG 36992 1361 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1077 69 56 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 36914 526 82 3 KENET-AS, KE 15399 511 53 43 WANANCHI-, KE 37342 481 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 12210 3380 613 UNINET, MX 9808 9759 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9438 11195 3379 AMAZON-02, US 12479 7545 1714 146 UNI2-AS, ES 7545 5676 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4564 303 677 CABLEONE, US 18403 4552 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4176 288 95 VIASAT-SP-BACKBONE, US 20940 3989 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 9759 9709 CHINAMOBILE-CN China Mobile Communications Grou 12479 7545 7399 UNI2-AS, ES 16509 9438 6059 AMAZON-02, US 7545 5676 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4552 4527 FPT-AS-AP FPT Telecom Company, VN 7155 4176 4081 VIASAT-SP-BACKBONE, US 11492 4564 3887 CABLEONE, US 20940 3989 3849 AKAMAI-ASN1, NL 7552 3844 3824 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 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 /11:99 /12:301 /13:577 /14:1193 /15:2061 /16:13390 /17:8150 /18:13648 /19:24705 /20:43170 /21:51158 /22:109911 /23:99320 /24:562794 /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 6630 7545 UNI2-AS, ES 8151 6202 12210 UNINET, MX 11492 3478 4564 CABLEONE, US 6327 3372 3567 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3120 4176 VIASAT-SP-BACKBONE, US 22773 2556 3504 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2463 2986 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2126 3523 Telmex Colombia S.A., CO 30036 2122 2466 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2279 2:1431 3:281 4:5 5:4417 6:163 7:6 8:1494 9:1 11:172 12:1485 13:375 14:2328 15:310 16:206 17:361 18:711 20:345 21:4 22:188 23:6569 24:2670 25:2 27:2506 29:19 31:2547 32:53 34:36 35:119 36:2147 37:4437 38:5866 39:884 40:147 41:4140 42:2198 43:2285 44:327 45:16654 46:4305 47:286 49:1894 50:1874 51:574 52:1591 54:369 55:866 56:5 57:127 58:1857 59:1108 60:1012 61:2599 62:2732 63:1902 64:5495 65:2339 66:4954 67:3037 68:1335 69:4077 70:1177 71:576 72:2913 74:2637 75:1554 76:622 77:2338 78:1824 79:2740 80:2121 81:1858 82:1533 83:1313 84:1607 85:3053 86:779 87:1957 88:1222 89:3943 90:659 91:7906 92:2180 93:2628 94:3590 95:4011 96:1288 97:315 98:1012 99:745 100:94 101:1154 102:3028 103:32447 104:4754 105:600 106:973 107:2739 108:1120 109:4062 110:2131 111:3155 112:2078 113:1716 114:1744 115:1998 116:1954 117:2632 118:2776 119:1945 120:1768 121:1249 122:2635 123:2172 124:1592 125:2774 126:28 128:1402 129:890 130:1062 131:1963 132:824 133:411 134:1711 135:304 136:913 137:989 138:2766 139:1568 140:1351 141:1340 142:1539 143:1528 144:999 145:336 146:1995 147:1642 148:2509 149:2395 150:1018 151:1311 152:1960 153:529 154:5507 155:1374 156:2087 157:1379 158:1081 159:2201 160:2610 161:1615 162:3591 163:1656 164:1611 165:2098 166:1063 167:1691 168:3825 169:792 170:4703 171:979 172:3773 173:2983 174:892 175:1211 176:3583 177:4602 178:3519 179:2215 180:2353 181:3653 182:3410 183:2017 184:2269 185:20467 186:4788 187:4303 188:3985 189:3956 190:9321 191:1461 192:10989 193:8946 194:7351 195:5213 196:3166 197:2595 198:5889 199:6911 200:8005 201:6226 202:10171 203:10031 204:4571 205:3644 206:4379 207:3377 208:4071 209:4905 210:4344 211:2496 212:4214 213:3385 214:1116 215:44 216:6779 217:2758 218:1293 219:414 220:1815 221:1019 222:686 223:2187 End of report