IPv4 R&E Routing Table Report 23:05 GMT Wed 14 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: 947830 Prefixes after maximum aggregation (per Origin AS): 363248 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464470 Number of IPv4 prefixes with a valid ROA: 491365 Number of IPv4 prefixes with an invalid ROA: 1281 Number of IPv4 prefixes with no ROA: 455184 Total ASes present in the Internet Routing Table: 75887 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65228 Origin ASes announcing only one prefix: 26732 Transit ASes present in the Internet Routing Table: 10659 Transit-only ASes present in the Internet Routing Table: 514 Paths with bogon ASNs present in the IPv4 Routing Table: 22 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: 963 Number of instances of unregistered ASNs: 970 Number of 32-bit ASNs allocated by the RIRs: 45180 Number of 32-bit ASNs visible in the Routing Table: 36842 Prefixes from 32-bit ASNs in the Routing Table: 190235 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 538 Number of addresses announced to Internet: 3026575872 Equivalent to 180 /8s, 101 /16s and 226 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 310945 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250474 Total APNIC prefixes after maximum aggregation: 74422 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 242466 Unique aggregates announced from the APNIC address blocks: 102083 APNIC Region origin ASes present in the Internet Routing Table: 14228 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4321 APNIC Region transit ASes present in the Internet Routing Table: 1888 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9693 Number of APNIC addresses announced to Internet: 761344256 Equivalent to 45 /8s, 97 /16s and 49 /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: 277149 Total ARIN prefixes after maximum aggregation: 125315 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281441 Unique aggregates announced from the ARIN address blocks: 134338 ARIN Region origin ASes present in the Internet Routing Table: 19085 ARIN Prefixes per ASN: 14.75 ARIN Region origin ASes announcing only one prefix: 6953 ARIN Region transit ASes present in the Internet Routing Table: 1887 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: 4956 Number of ARIN addresses announced to Internet: 1266080000 Equivalent to 75 /8s, 118 /16s and 217 /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: 265410 Total RIPE prefixes after maximum aggregation: 128160 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261022 Unique aggregates announced from the RIPE address blocks: 165784 RIPE Region origin ASes present in the Internet Routing Table: 28665 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12117 RIPE Region transit ASes present in the Internet Routing Table: 3917 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11921 Number of RIPE addresses announced to Internet: 715995648 Equivalent to 42 /8s, 173 /16s and 58 /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: 121948 Total LACNIC prefixes after maximum aggregation: 28424 LACNIC Deaggregation factor: 4.29 Prefixes being announced from the LACNIC address blocks: 119827 Unique aggregates announced from the LACNIC address blocks: 47759 LACNIC Region origin ASes present in the Internet Routing Table: 11142 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2442 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: 9043 Number of LACNIC addresses announced to Internet: 178110720 Equivalent to 10 /8s, 157 /16s and 193 /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: 31886 Total AfriNIC prefixes after maximum aggregation: 6287 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 42536 Unique aggregates announced from the AfriNIC address blocks: 14053 AfriNIC Region origin ASes present in the Internet Routing Table: 1871 AfriNIC Prefixes per ASN: 22.73 AfriNIC Region origin ASes announcing only one prefix: 675 AfriNIC Region transit ASes present in the Internet Routing Table: 357 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1229 Number of AfriNIC addresses announced to Internet: 104744448 Equivalent to 6 /8s, 62 /16s and 70 /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 9890 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5681 841 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4263 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3959 1331 22 VIETEL-AS-AP Viettel Group, VN 9498 3788 508 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3245 1841 106 VNPT-AS-VN VNPT Corp, VN 24560 2814 856 451 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2202 434 199 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 10497 11603 3782 AMAZON-02, US 11492 4628 308 547 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3994 8786 911 COGENT-174, US 6327 3600 1320 79 SHAW, CA 22773 3418 3037 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54897 2507 DNIC-AS-00749, US 7018 2957 23676 1856 ATT-INTERNET4, US 16625 2955 1263 2133 AKAMAI-AS, US 396982 2777 3567 416 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 7696 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3773 3396 129 AKAMAI-ASN1, NL 9009 3654 312 1853 M247, RO 12389 2862 2291 857 ROSTELECOM-AS, RU 34984 2330 359 584 TELLCOM-AS, TR 8551 1784 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1743 125 1277 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1567 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 11860 3290 516 UNINET, MX 10620 3534 493 936 Telmex Colombia S.A., CO 13999 2554 629 22 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1343 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 777 204 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1121 313 480 Axtel, S.A.B. de C.V., MX 26615 1085 2503 53 TIM SA, BR 19037 1084 278 31 AMX Argentina S.A., AR 22884 1072 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1611 389 16 LINKdotNET-AS, EG 24835 1555 593 29 RAYA-AS, EG 36992 1411 1519 283 ETISALAT-MISR, EG 29571 1322 84 77 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 939 521 42 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 36914 549 82 3 KENET-AS, KE 37342 517 32 1 MOVITEL, MZ 15399 512 56 57 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 11860 3290 516 UNINET, MX 16509 10497 11603 3782 AMAZON-02, US 9808 9890 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7696 1708 145 UNI2-AS, ES 7545 5681 841 663 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4628 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4263 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3994 8786 911 COGENT-174, US 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 9890 9815 CHINAMOBILE-CN China Mobile Communications Grou 12479 7696 7551 UNI2-AS, ES 16509 10497 6715 AMAZON-02, US 7545 5681 5018 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4263 4240 FPT-AS-AP FPT Telecom Company, VN 11492 4628 4081 CABLEONE, US 7155 4167 4078 VIASAT-SP-BACKBONE, US 7552 3959 3937 VIETEL-AS-AP Viettel Group, VN 20940 3773 3644 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: 6939 HURRICANE, 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 /11:92 /12:294 /13:574 /14:1162 /15:2050 /16:13115 /17:8142 /18:13558 /19:24336 /20:43127 /21:51278 /22:110870 /23:99387 /24:579768 /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 6779 7696 UNI2-AS, ES 8151 5948 11860 UNINET, MX 11492 3539 4628 CABLEONE, US 6327 3396 3600 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2557 3418 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2163 3534 Telmex Colombia S.A., CO 30036 2147 2484 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2137 10497 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2287 2:1461 3:414 4:6 5:4348 6:162 7:6 8:1516 9:1 11:172 12:1429 13:356 14:2355 15:324 16:259 17:363 18:859 20:407 21:4 22:188 23:6779 24:2699 25:2 27:2574 29:19 31:2649 32:44 34:68 35:137 36:2346 37:4508 38:8346 39:913 40:150 41:4095 42:2003 43:2397 44:330 45:17371 46:4552 47:300 49:2014 50:1844 51:579 52:1579 54:317 55:946 56:8 57:213 58:2162 59:1202 60:1059 61:2683 62:2750 63:1856 64:5447 65:2272 66:4624 67:3007 68:1343 69:4031 70:1152 71:555 72:2854 73:1 74:2634 75:1561 76:614 77:2495 78:1842 79:1777 80:2185 81:2009 82:1656 83:1366 84:1704 85:3160 86:971 87:2026 88:1248 89:4211 90:691 91:8202 92:2406 93:2700 94:3736 95:4172 96:1272 97:316 98:1050 99:736 100:73 101:1163 102:3319 103:32250 104:4480 105:699 106:983 107:2370 108:1160 109:4074 110:2138 111:3228 112:2059 113:1805 114:1825 115:2042 116:1950 117:2664 118:2839 119:1983 120:1799 121:1327 122:2691 123:2255 124:1610 125:2831 126:64 128:1358 129:935 130:1186 131:1856 132:807 133:428 134:1465 135:312 136:1126 137:1064 138:2843 139:1527 140:1437 141:1453 142:1665 143:1645 144:1024 145:361 146:2086 147:2040 148:2570 149:2796 150:1057 151:1357 152:2224 153:503 154:6545 155:1439 156:2401 157:1805 158:1183 159:2441 160:2992 161:1696 162:3550 163:1736 164:1689 165:2154 166:1271 167:1853 168:4037 169:804 170:4935 171:1031 172:3892 173:3071 174:900 175:1243 176:3456 177:4626 178:3637 179:2181 180:2444 181:3822 182:3330 183:1980 184:2260 185:20901 186:4992 187:4345 188:4099 189:4154 190:9502 191:1526 192:11062 193:9223 194:7472 195:5300 196:3202 197:2724 198:5915 199:8037 200:8132 201:6263 202:10211 203:10334 204:4532 205:3650 206:4464 207:3530 208:4161 209:5036 210:4492 211:2539 212:4394 213:3629 214:1057 215:47 216:6718 217:2934 218:1328 219:434 220:1812 221:1045 222:701 223:2224 End of report