IPv4 R&E Routing Table Report 23:05 GMT Fri 14 Jul, 2023 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: 919849 Prefixes after maximum aggregation (per Origin AS): 349722 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451627 Number of IPv4 prefixes with a valid ROA: 411984 Number of IPv4 prefixes with an invalid ROA: 1619 Number of IPv4 prefixes with no ROA: 506246 Total ASes present in the Internet Routing Table: 74407 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63911 Origin ASes announcing only one prefix: 26310 Transit ASes present in the Internet Routing Table: 10496 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 28 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1050 Number of instances of unregistered ASNs: 1054 Number of 32-bit ASNs allocated by the RIRs: 42264 Number of 32-bit ASNs visible in the Routing Table: 34744 Prefixes from 32-bit ASNs in the Routing Table: 172576 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 561 Number of addresses announced to Internet: 3052990208 Equivalent to 181 /8s, 248 /16s and 239 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 308045 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239899 Total APNIC prefixes after maximum aggregation: 68995 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233747 Unique aggregates announced from the APNIC address blocks: 98522 APNIC Region origin ASes present in the Internet Routing Table: 13406 APNIC Prefixes per ASN: 17.44 APNIC Region origin ASes announcing only one prefix: 3968 APNIC Region transit ASes present in the Internet Routing Table: 1791 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8794 Number of APNIC addresses announced to Internet: 773042944 Equivalent to 46 /8s, 19 /16s and 179 /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: 270251 Total ARIN prefixes after maximum aggregation: 123143 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272554 Unique aggregates announced from the ARIN address blocks: 130728 ARIN Region origin ASes present in the Internet Routing Table: 19060 ARIN Prefixes per ASN: 14.30 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1893 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4800 Number of ARIN addresses announced to Internet: 1276944896 Equivalent to 76 /8s, 28 /16s and 162 /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: 260103 Total RIPE prefixes after maximum aggregation: 122579 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256646 Unique aggregates announced from the RIPE address blocks: 159755 RIPE Region origin ASes present in the Internet Routing Table: 28344 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12060 RIPE Region transit ASes present in the Internet Routing Table: 3943 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11232 Number of RIPE addresses announced to Internet: 716707584 Equivalent to 42 /8s, 184 /16s and 23 /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 196608-213403 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: 118754 Total LACNIC prefixes after maximum aggregation: 28409 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117885 Unique aggregates announced from the LACNIC address blocks: 49523 LACNIC Region origin ASes present in the Internet Routing Table: 11016 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2695 LACNIC Region transit ASes present in the Internet Routing Table: 2340 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8810 Number of LACNIC addresses announced to Internet: 178437376 Equivalent to 10 /8s, 162 /16s and 189 /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: 29792 Total AfriNIC prefixes after maximum aggregation: 5882 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 38456 Unique aggregates announced from the AfriNIC address blocks: 12637 AfriNIC Region origin ASes present in the Internet Routing Table: 1753 AfriNIC Prefixes per ASN: 21.94 AfriNIC Region origin ASes announcing only one prefix: 609 AfriNIC Region transit ASes present in the Internet Routing Table: 326 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1108 Number of AfriNIC addresses announced to Internet: 107523840 Equivalent to 6 /8s, 104 /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 9519 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5678 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3701 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3545 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1872 93 VNPT-AS-VN VNPT Corp, VN 9498 3046 497 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2444 834 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 587 KIXS-AS-KR Korea Telecom, KR 4755 2183 442 199 TATACOMM-AS TATA Communications formerl 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 8726 10889 3093 AMAZON-02, US 11492 4521 300 615 CABLEONE, US 7155 4171 288 87 VIASAT-SP-BACKBONE, US 22773 3539 3054 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 749 3142 54962 2394 DNIC-AS-00749, US 16625 3140 1557 2355 AKAMAI-AS, US 367 2749 3750 1318 DNIC-ASBLK-00306-00371, US 396982 2676 3594 383 GOOGLE-CLOUD-PLATFORM, US 30036 2503 361 396 MEDIACOM-ENTERPRISE-BUSINESS, 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 7299 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4070 3398 160 AKAMAI-ASN1, NL 8551 3466 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2293 911 ROSTELECOM-AS, RU 9009 2650 246 1377 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1824 946 535 TCI, IR 6849 1800 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, UA 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 11590 3378 595 UNINET, MX 10620 3528 507 839 Telmex Colombia S.A., CO 13999 2404 360 632 Mega Cable, S.A. de C.V., MX 11830 2226 369 64 Instituto Costarricense de Electricidad 28573 1318 2324 239 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 510 Axtel, S.A.B. de C.V., MX 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1102 177 437 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 47 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 24863 1627 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1352 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 484 73 5 EthioNet-AS, ET 37342 465 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 11590 3378 595 UNINET, MX 9808 9519 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8726 10889 3093 AMAZON-02, US 12479 7299 1706 141 UNI2-AS, ES 7545 5678 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4521 300 615 CABLEONE, US 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4171 288 87 VIASAT-SP-BACKBONE, US 20940 4070 3398 160 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 9519 9482 CHINAMOBILE-CN China Mobile Communications Grou 12479 7299 7158 UNI2-AS, ES 16509 8726 5633 AMAZON-02, US 7545 5678 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4239 4214 FPT-AS-AP FPT Telecom Company, VN 7155 4171 4084 VIASAT-SP-BACKBONE, US 20940 4070 3910 AKAMAI-ASN1, NL 11492 4521 3906 CABLEONE, US 7552 3701 3680 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 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 6461 ZAYO-6461, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 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 /10:38 /11:103 /12:296 /13:574 /14:1198 /15:2104 /16:13422 /17:8185 /18:13740 /19:24879 /20:43248 /21:51114 /22:109413 /23:98168 /24:553328 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6387 7299 UNI2-AS, ES 8151 5509 11590 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3430 4521 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3120 4171 VIASAT-SP-BACKBONE, US 8551 2935 3466 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2609 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2087 3528 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) ---------------------------------------------- 1:2174 2:1346 3:227 4:5 5:4507 6:130 7:6 8:1511 9:1 11:172 12:1520 13:380 14:2310 15:299 16:191 17:372 18:524 20:268 21:4 22:188 23:6347 24:2600 25:4 27:2515 29:19 31:2531 32:77 34:26 35:111 36:1958 37:4689 38:5006 39:829 40:152 41:3923 42:2008 43:2298 44:305 45:16597 46:4347 47:377 49:1764 50:1850 51:586 52:1595 54:397 55:972 56:8 57:120 58:1815 59:1097 60:985 61:2501 62:2659 63:1903 64:5591 65:2315 66:4933 67:3052 68:1330 69:4099 70:1207 71:675 72:2984 74:2625 75:1570 76:612 77:2439 78:1815 79:2979 80:2111 81:1790 82:1496 83:1260 84:1526 85:2990 86:765 87:2007 88:1173 89:3826 90:614 91:7785 92:2042 93:2595 94:3567 95:4044 96:1310 97:337 98:1153 99:735 100:95 101:1313 102:2843 103:31607 104:4560 105:505 106:872 107:2555 108:1074 109:4234 110:2101 111:3125 112:2055 113:1743 114:1633 115:1976 116:1897 117:2573 118:2612 119:1979 120:1791 121:1071 122:2556 123:2129 124:1574 125:2463 128:1402 129:1044 130:1009 131:1978 132:847 133:422 134:1797 135:307 136:885 137:955 138:2537 139:1570 140:1254 141:1301 142:1460 143:1508 144:983 145:341 146:1951 147:1584 148:2405 149:2132 150:881 151:1165 152:1945 153:497 154:4642 155:1357 156:1820 157:1316 158:1083 159:2262 160:2582 161:1551 162:3506 163:1552 164:1610 165:1867 166:1056 167:1725 168:3847 169:945 170:4615 171:891 172:3636 173:2960 174:1087 175:1177 176:3725 177:4505 178:3606 179:2163 180:2468 181:3483 182:3396 183:1999 184:2320 185:20479 186:4767 187:4083 188:4101 189:3717 190:9236 191:1401 192:10898 193:8918 194:7318 195:5123 196:3196 197:2363 198:5905 199:6093 200:7993 201:5950 202:10267 203:10097 204:4550 205:3676 206:4275 207:3388 208:4119 209:4883 210:4182 211:2438 212:4246 213:3586 214:1090 215:59 216:6647 217:2739 218:1276 219:414 220:1748 221:964 222:683 223:2154 End of report