IPv4 R&E Routing Table Report 23:05 GMT Fri 23 Aug, 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: 949533 Prefixes after maximum aggregation (per Origin AS): 363134 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464736 Number of IPv4 prefixes with a valid ROA: 494214 Number of IPv4 prefixes with an invalid ROA: 1247 Number of IPv4 prefixes with no ROA: 454072 Total ASes present in the Internet Routing Table: 75898 Prefixes per ASN: 12.51 Origin-only ASes present in the Internet Routing Table: 65180 Origin ASes announcing only one prefix: 26745 Transit ASes present in the Internet Routing Table: 10718 Transit-only ASes present in the Internet Routing Table: 506 Paths with bogon ASNs present in the IPv4 Routing Table: 17 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 962 Number of instances of unregistered ASNs: 975 Number of 32-bit ASNs allocated by the RIRs: 45215 Number of 32-bit ASNs visible in the Routing Table: 36876 Prefixes from 32-bit ASNs in the Routing Table: 191087 Number of bogon 32-bit ASNs visible in the Routing Table: 53 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 606 Number of addresses announced to Internet: 3034540544 Equivalent to 180 /8s, 223 /16s and 106 /24s Percentage of available address space announced: 82.0 Percentage of allocated address space announced: 82.0 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: 312227 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250741 Total APNIC prefixes after maximum aggregation: 74527 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 242710 Unique aggregates announced from the APNIC address blocks: 102063 APNIC Region origin ASes present in the Internet Routing Table: 14231 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4338 APNIC Region transit ASes present in the Internet Routing Table: 1894 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9704 Number of APNIC addresses announced to Internet: 761396480 Equivalent to 45 /8s, 97 /16s and 253 /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: 277138 Total ARIN prefixes after maximum aggregation: 125217 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281212 Unique aggregates announced from the ARIN address blocks: 134466 ARIN Region origin ASes present in the Internet Routing Table: 19101 ARIN Prefixes per ASN: 14.72 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1900 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: 4967 Number of ARIN addresses announced to Internet: 1266272256 Equivalent to 75 /8s, 121 /16s and 200 /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, 393216-402332 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: 265943 Total RIPE prefixes after maximum aggregation: 128234 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261781 Unique aggregates announced from the RIPE address blocks: 166138 RIPE Region origin ASes present in the Internet Routing Table: 28669 RIPE Prefixes per ASN: 9.13 RIPE Region origin ASes announcing only one prefix: 12099 RIPE Region transit ASes present in the Internet Routing Table: 3933 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11927 Number of RIPE addresses announced to Internet: 723766784 Equivalent to 43 /8s, 35 /16s and 206 /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: 122401 Total LACNIC prefixes after maximum aggregation: 28124 LACNIC Deaggregation factor: 4.35 Prefixes being announced from the LACNIC address blocks: 120258 Unique aggregates announced from the LACNIC address blocks: 47300 LACNIC Region origin ASes present in the Internet Routing Table: 11138 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2455 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9044 Number of LACNIC addresses announced to Internet: 178335232 Equivalent to 10 /8s, 161 /16s and 46 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 32348 Total AfriNIC prefixes after maximum aggregation: 6394 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 42966 Unique aggregates announced from the AfriNIC address blocks: 14247 AfriNIC Region origin ASes present in the Internet Routing Table: 1871 AfriNIC Prefixes per ASN: 22.96 AfriNIC Region origin ASes announcing only one prefix: 681 AfriNIC Region transit ASes present in the Internet Routing Table: 360 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1234 Number of AfriNIC addresses announced to Internet: 104440576 Equivalent to 6 /8s, 57 /16s and 163 /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 9899 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5700 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4336 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3958 1331 22 VIETEL-AS-AP Viettel Group, VN 9498 3786 508 258 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3247 1841 102 VNPT-AS-VN VNPT Corp, VN 24560 2782 821 486 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2202 434 195 TATACOMM-AS TATA Communications formerly 45090 2189 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10492 11772 3743 AMAZON-02, US 11492 4628 308 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3887 8782 906 COGENT-174, US 6327 3601 1320 79 SHAW, CA 22773 3422 3037 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3253 54897 2505 DNIC-AS-00749, US 7018 2960 23676 1862 ATT-INTERNET4, US 16625 2904 1234 2097 AKAMAI-AS, US 396982 2788 3567 418 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 7705 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3752 3396 129 AKAMAI-ASN1, NL 9009 3668 313 1861 M247, RO 12389 2862 2291 857 ROSTELECOM-AS, RU 34984 2329 359 583 TELLCOM-AS, TR 8551 1784 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1762 126 1294 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1578 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 11831 3291 512 UNINET, MX 10620 3536 493 930 Telmex Colombia S.A., CO 13999 2541 629 22 Mega Cable, S.A. de C.V., MX 11830 2008 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 777 205 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 22884 1072 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 19037 1068 278 31 AMX Argentina S.A., AR 26615 1050 2503 53 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 1610 389 16 LINKdotNET-AS, EG 24835 1562 593 29 RAYA-AS, EG 36992 1411 1519 283 ETISALAT-MISR, EG 29571 1329 84 73 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 939 521 42 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 36914 548 82 3 KENET-AS, KE 15399 520 57 58 WANANCHI-, KE 37342 511 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 11831 3291 512 UNINET, MX 16509 10492 11772 3743 AMAZON-02, US 9808 9899 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7705 1708 145 UNI2-AS, ES 7545 5700 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4628 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4336 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3958 1331 22 VIETEL-AS-AP Viettel Group, VN 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 9899 9824 CHINAMOBILE-CN China Mobile Communications Grou 12479 7705 7560 UNI2-AS, ES 16509 10492 6749 AMAZON-02, US 7545 5700 5041 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4336 4313 FPT-AS-AP FPT Telecom Company, VN 11492 4628 4081 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3958 3936 VIETEL-AS-AP Viettel Group, VN 20940 3752 3623 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, 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 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 23.130.240.0/24 Origin: 14315 1GSERVERS, US 23.130.240.0/24 Transit: 174 COGENT-174, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, US 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 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 /9:16 /10:37 /11:93 /12:294 /13:577 /14:1165 /15:2056 /16:13163 /17:8142 /18:13581 /19:24353 /20:43126 /21:51276 /22:110900 /23:99470 /24:581260 /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 6774 7705 UNI2-AS, ES 8151 5944 11831 UNINET, MX 11492 3539 4628 CABLEONE, US 6327 3397 3601 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2561 3422 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2165 3536 Telmex Colombia S.A., CO 30036 2157 2495 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2136 10492 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2291 2:1497 3:438 4:6 5:4446 6:162 7:6 8:1513 9:1 11:172 12:1430 13:349 14:2358 15:327 16:259 17:362 18:862 20:404 21:4 22:188 23:6775 24:2689 25:2 27:2563 29:19 31:2662 32:44 34:68 35:138 36:2347 37:4519 38:8328 39:918 40:151 41:4097 42:2037 43:2401 44:331 45:17460 46:4644 47:299 49:2019 50:1852 51:579 52:1575 54:316 55:945 56:8 57:213 58:2163 59:1206 60:1062 61:2743 62:2784 63:1854 64:5452 65:2287 66:4635 67:3011 68:1343 69:4033 70:1149 71:561 72:2851 74:2635 75:1560 76:616 77:2508 78:1852 79:1786 80:2188 81:2026 82:1657 83:1365 84:1703 85:3175 86:963 87:2031 88:1248 89:4239 90:689 91:8207 92:2429 93:2712 94:3745 95:4205 96:1273 97:316 98:1051 99:733 100:73 101:1167 102:3528 103:32269 104:4475 105:701 106:984 107:2265 108:1123 109:4078 110:2132 111:3236 112:2051 113:1808 114:1846 115:2058 116:1956 117:2669 118:2856 119:1980 120:1798 121:1343 122:2687 123:2252 124:1604 125:2832 126:64 128:1360 129:933 130:1193 131:1864 132:807 133:428 134:1468 135:310 136:1135 137:1064 138:2855 139:1531 140:1448 141:1453 142:1668 143:1605 144:1019 145:363 146:2100 147:2021 148:2535 149:2806 150:1046 151:1360 152:2107 153:501 154:6547 155:1390 156:2392 157:1788 158:1185 159:2443 160:3004 161:1706 162:3549 163:1736 164:1685 165:2143 166:1208 167:1856 168:4054 169:810 170:4985 171:1031 172:3902 173:3079 174:901 175:1256 176:3457 177:4828 178:3632 179:2220 180:2456 181:3847 182:3334 183:1993 184:2260 185:20956 186:5033 187:4304 188:4093 189:4153 190:9532 191:1518 192:11041 193:9212 194:7494 195:5318 196:3228 197:3006 198:5920 199:8056 200:8072 201:6317 202:10208 203:10364 204:4549 205:3630 206:4486 207:3528 208:4167 209:5047 210:4496 211:2545 212:4411 213:3669 214:1063 215:48 216:6705 217:2928 218:1329 219:434 220:1814 221:1047 222:700 223:2227 End of report