IPv4 R&E Routing Table Report 23:05 GMT Wed 19 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: 919850 Prefixes after maximum aggregation (per Origin AS): 349941 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451748 Number of IPv4 prefixes with a valid ROA: 409423 Number of IPv4 prefixes with an invalid ROA: 1577 Number of IPv4 prefixes with no ROA: 508850 Total ASes present in the Internet Routing Table: 74413 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63937 Origin ASes announcing only one prefix: 26288 Transit ASes present in the Internet Routing Table: 10476 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 31 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: 1078 Number of instances of unregistered ASNs: 1082 Number of 32-bit ASNs allocated by the RIRs: 42265 Number of 32-bit ASNs visible in the Routing Table: 34772 Prefixes from 32-bit ASNs in the Routing Table: 173010 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 585 Number of addresses announced to Internet: 3052869888 Equivalent to 181 /8s, 247 /16s and 25 /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: 307729 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240135 Total APNIC prefixes after maximum aggregation: 69094 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233938 Unique aggregates announced from the APNIC address blocks: 98574 APNIC Region origin ASes present in the Internet Routing Table: 13423 APNIC Prefixes per ASN: 17.43 APNIC Region origin ASes announcing only one prefix: 3968 APNIC Region transit ASes present in the Internet Routing Table: 1789 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8809 Number of APNIC addresses announced to Internet: 773144576 Equivalent to 46 /8s, 21 /16s and 64 /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: 270182 Total ARIN prefixes after maximum aggregation: 123285 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272427 Unique aggregates announced from the ARIN address blocks: 130630 ARIN Region origin ASes present in the Internet Routing Table: 19050 ARIN Prefixes per ASN: 14.30 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1885 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: 4806 Number of ARIN addresses announced to Internet: 1276931328 Equivalent to 76 /8s, 28 /16s and 109 /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: 259965 Total RIPE prefixes after maximum aggregation: 122490 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256581 Unique aggregates announced from the RIPE address blocks: 159788 RIPE Region origin ASes present in the Internet Routing Table: 28326 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12046 RIPE Region transit ASes present in the Internet Routing Table: 3941 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: 11233 Number of RIPE addresses announced to Internet: 716699904 Equivalent to 42 /8s, 183 /16s and 249 /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: 118694 Total LACNIC prefixes after maximum aggregation: 28457 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117817 Unique aggregates announced from the LACNIC address blocks: 49599 LACNIC Region origin ASes present in the Internet Routing Table: 11010 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2690 LACNIC Region transit ASes present in the Internet Routing Table: 2342 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8809 Number of LACNIC addresses announced to Internet: 178211840 Equivalent to 10 /8s, 159 /16s and 76 /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: 29796 Total AfriNIC prefixes after maximum aggregation: 5886 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 38502 Unique aggregates announced from the AfriNIC address blocks: 12671 AfriNIC Region origin ASes present in the Internet Routing Table: 1766 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 615 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1115 Number of AfriNIC addresses announced to Internet: 107544064 Equivalent to 6 /8s, 104 /16s and 254 /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 9522 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5681 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4229 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3698 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3545 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1872 93 VNPT-AS-VN VNPT Corp, VN 9498 3047 497 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2452 835 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2182 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 8707 10915 3133 AMAZON-02, US 11492 4486 298 667 CABLEONE, US 7155 4184 289 100 VIASAT-SP-BACKBONE, US 22773 3535 3054 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 16625 3147 1567 2361 AKAMAI-AS, US 749 3142 54962 2394 DNIC-AS-00749, US 367 2764 3756 1327 DNIC-ASBLK-00306-00371, US 396982 2676 3594 383 GOOGLE-CLOUD-PLATFORM, US 30036 2511 362 360 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 7296 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4077 3398 160 AKAMAI-ASN1, NL 8551 3461 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2293 911 ROSTELECOM-AS, RU 9009 2663 247 1382 M247, RO 34984 2311 361 610 TELLCOM-AS, TR 58224 1826 946 537 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 11609 3378 595 UNINET, MX 10620 3515 505 856 Telmex Colombia S.A., CO 13999 2406 360 632 Mega Cable, S.A. de C.V., MX 11830 2226 369 64 Instituto Costarricense de Electricidad 28573 1317 2322 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1282 344 506 Axtel, S.A.B. de C.V., MX 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1105 177 433 Techtel LMDS Comunicaciones Interactiva 26615 1039 2500 48 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 1622 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1351 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 24757 488 73 5 EthioNet-AS, ET 37342 459 32 1 MOVITEL, MZ 15399 448 54 47 WANANCHI-, KE 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 11609 3378 595 UNINET, MX 9808 9522 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8707 10915 3133 AMAZON-02, US 12479 7296 1706 141 UNI2-AS, ES 7545 5681 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4486 298 667 CABLEONE, US 18403 4229 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4184 289 100 VIASAT-SP-BACKBONE, US 20940 4077 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 9522 9485 CHINAMOBILE-CN China Mobile Communications Grou 12479 7296 7155 UNI2-AS, ES 16509 8707 5574 AMAZON-02, US 7545 5681 4991 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4229 4204 FPT-AS-AP FPT Telecom Company, VN 7155 4184 4084 VIASAT-SP-BACKBONE, US 20940 4077 3917 AKAMAI-ASN1, NL 11492 4486 3819 CABLEONE, US 7552 3698 3677 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 /14:1197 /15:2103 /16:13426 /17:8186 /18:13728 /19:24888 /20:43344 /21:51101 /22:109423 /23:98287 /24:553117 /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 6384 7296 UNI2-AS, ES 8151 5528 11609 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3402 4486 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3128 4184 VIASAT-SP-BACKBONE, US 8551 2930 3461 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2605 3535 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2166 2511 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2078 3515 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) ---------------------------------------------- 1:2171 2:1340 3:232 4:5 5:4503 6:131 7:6 8:1514 9:1 11:172 12:1520 13:380 14:2310 15:301 16:194 17:372 18:522 20:268 21:4 22:188 23:6350 24:2593 25:4 27:2524 29:19 31:2532 32:77 34:26 35:111 36:1965 37:4695 38:5004 39:829 40:152 41:3882 42:2010 43:2297 44:303 45:16618 46:4349 47:378 49:1760 50:1847 51:585 52:1592 54:397 55:974 56:8 57:120 58:1817 59:1095 60:985 61:2511 62:2643 63:1917 64:5561 65:2313 66:4907 67:3041 68:1318 69:4096 70:1206 71:675 72:2975 74:2629 75:1571 76:611 77:2442 78:1810 79:2957 80:2116 81:1792 82:1489 83:1262 84:1523 85:2963 86:764 87:2015 88:1179 89:3836 90:614 91:7781 92:2042 93:2600 94:3583 95:4038 96:1304 97:331 98:1148 99:734 100:95 101:1311 102:2851 103:31687 104:4554 105:504 106:877 107:2552 108:1073 109:4233 110:2100 111:3126 112:2054 113:1740 114:1631 115:1977 116:1897 117:2569 118:2613 119:1970 120:1789 121:1076 122:2562 123:2132 124:1571 125:2466 128:1381 129:1033 130:1005 131:1965 132:846 133:422 134:1796 135:306 136:886 137:960 138:2491 139:1566 140:1254 141:1294 142:1461 143:1500 144:984 145:336 146:1949 147:1581 148:2374 149:2142 150:882 151:1164 152:1951 153:499 154:4664 155:1366 156:1839 157:1320 158:1083 159:2259 160:2584 161:1550 162:3509 163:1554 164:1614 165:1881 166:1059 167:1727 168:3851 169:944 170:4600 171:894 172:3648 173:2951 174:1042 175:1179 176:3717 177:4515 178:3607 179:2171 180:2467 181:3482 182:3399 183:1999 184:2313 185:20464 186:4770 187:4074 188:4101 189:3714 190:9242 191:1373 192:10893 193:8923 194:7317 195:5148 196:3211 197:2380 198:5920 199:6087 200:7963 201:5937 202:10268 203:10094 204:4555 205:3625 206:4295 207:3388 208:4111 209:4893 210:4184 211:2443 212:4243 213:3577 214:1081 215:60 216:6653 217:2736 218:1260 219:414 220:1766 221:960 222:681 223:2158 End of report