IPv4 R&E Routing Table Report 23:05 GMT Mon 19 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: 948152 Prefixes after maximum aggregation (per Origin AS): 363143 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464275 Number of IPv4 prefixes with a valid ROA: 492218 Number of IPv4 prefixes with an invalid ROA: 1440 Number of IPv4 prefixes with no ROA: 454494 Total ASes present in the Internet Routing Table: 75859 Prefixes per ASN: 12.50 Origin-only ASes present in the Internet Routing Table: 65214 Origin ASes announcing only one prefix: 26722 Transit ASes present in the Internet Routing Table: 10645 Transit-only ASes present in the Internet Routing Table: 511 Paths with bogon ASNs present in the IPv4 Routing Table: 19 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: 966 Number of instances of unregistered ASNs: 979 Number of 32-bit ASNs allocated by the RIRs: 45206 Number of 32-bit ASNs visible in the Routing Table: 36842 Prefixes from 32-bit ASNs in the Routing Table: 190472 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: 545 Number of addresses announced to Internet: 3033593600 Equivalent to 180 /8s, 208 /16s and 247 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 311336 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250781 Total APNIC prefixes after maximum aggregation: 74445 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 242816 Unique aggregates announced from the APNIC address blocks: 102200 APNIC Region origin ASes present in the Internet Routing Table: 14225 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4324 APNIC Region transit ASes present in the Internet Routing Table: 1893 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: 9695 Number of APNIC addresses announced to Internet: 761493504 Equivalent to 45 /8s, 99 /16s and 120 /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: 277165 Total ARIN prefixes after maximum aggregation: 125405 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281335 Unique aggregates announced from the ARIN address blocks: 134314 ARIN Region origin ASes present in the Internet Routing Table: 19082 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6955 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: 1265879808 Equivalent to 75 /8s, 115 /16s and 203 /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: 265800 Total RIPE prefixes after maximum aggregation: 128178 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261476 Unique aggregates announced from the RIPE address blocks: 166054 RIPE Region origin ASes present in the Internet Routing Table: 28673 RIPE Prefixes per ASN: 9.12 RIPE Region origin ASes announcing only one prefix: 12119 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11936 Number of RIPE addresses announced to Internet: 722910720 Equivalent to 43 /8s, 22 /16s and 190 /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: 121949 Total LACNIC prefixes after maximum aggregation: 28114 LACNIC Deaggregation factor: 4.34 Prefixes being announced from the LACNIC address blocks: 119825 Unique aggregates announced from the LACNIC address blocks: 47337 LACNIC Region origin ASes present in the Internet Routing Table: 11141 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2652 LACNIC Region transit ASes present in the Internet Routing Table: 2441 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: 9041 Number of LACNIC addresses announced to Internet: 178373120 Equivalent to 10 /8s, 161 /16s and 194 /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: 31491 Total AfriNIC prefixes after maximum aggregation: 6370 AfriNIC Deaggregation factor: 4.94 Prefixes being announced from the AfriNIC address blocks: 42155 Unique aggregates announced from the AfriNIC address blocks: 13916 AfriNIC Region origin ASes present in the Internet Routing Table: 1848 AfriNIC Prefixes per ASN: 22.81 AfriNIC Region origin ASes announcing only one prefix: 672 AfriNIC Region transit ASes present in the Internet Routing Table: 349 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: 1214 Number of AfriNIC addresses announced to Internet: 104570624 Equivalent to 6 /8s, 59 /16s and 159 /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 9896 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5702 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4269 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3953 1331 22 VIETEL-AS-AP Viettel Group, VN 9498 3787 508 259 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 2802 843 474 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2201 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 10450 11623 3815 AMAZON-02, US 11492 4628 308 547 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3970 8783 907 COGENT-174, US 6327 3600 1320 79 SHAW, CA 22773 3422 3037 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54897 2507 DNIC-AS-00749, US 7018 2956 23675 1856 ATT-INTERNET4, US 16625 2931 1252 2123 AKAMAI-AS, US 396982 2780 3567 417 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 7701 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3762 3396 129 AKAMAI-ASN1, NL 9009 3659 312 1855 M247, RO 12389 2861 2291 857 ROSTELECOM-AS, RU 34984 2330 359 584 TELLCOM-AS, TR 8551 1785 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1744 125 1277 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1580 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 11832 3293 513 UNINET, MX 10620 3534 493 929 Telmex Colombia S.A., CO 13999 2539 629 22 Mega Cable, S.A. de C.V., MX 11830 2008 369 64 Instituto Costarricense de Electricidad y 28573 1338 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1319 777 204 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 19037 1090 278 31 AMX Argentina S.A., AR 22884 1072 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1063 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 1612 389 16 LINKdotNET-AS, EG 24835 1554 593 29 RAYA-AS, EG 36992 1411 1519 283 ETISALAT-MISR, EG 29571 1327 84 78 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 546 82 3 KENET-AS, KE 15399 478 56 55 WANANCHI-, KE 24757 437 73 5 EthioNet-AS, ET 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 11832 3293 513 UNINET, MX 16509 10450 11623 3815 AMAZON-02, US 9808 9896 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7701 1708 145 UNI2-AS, ES 7545 5702 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4628 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4269 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3970 8783 907 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 9896 9821 CHINAMOBILE-CN China Mobile Communications Grou 12479 7701 7556 UNI2-AS, ES 16509 10450 6635 AMAZON-02, US 7545 5702 5043 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4269 4246 FPT-AS-AP FPT Telecom Company, VN 11492 4628 4081 CABLEONE, US 7155 4167 4078 VIASAT-SP-BACKBONE, US 7552 3953 3931 VIETEL-AS-AP Viettel Group, VN 20940 3762 3633 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 23.140.216.0/24 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /13:575 /14:1165 /15:2056 /16:13169 /17:8119 /18:13555 /19:24348 /20:43126 /21:51226 /22:110828 /23:99401 /24:580120 /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 6784 7701 UNI2-AS, ES 8151 5944 11832 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 2561 3422 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2163 3534 Telmex Colombia S.A., CO 30036 2151 2489 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2129 10450 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2281 2:1500 3:413 4:6 5:4391 6:162 7:6 8:1514 9:1 11:172 12:1431 13:361 14:2363 15:326 16:259 17:362 18:854 20:407 21:4 22:188 23:6772 24:2699 25:2 27:2568 29:19 31:2662 32:44 34:68 35:138 36:2344 37:4503 38:8362 39:914 40:150 41:4042 42:1994 43:2407 44:332 45:17429 46:4592 47:300 49:2006 50:1846 51:579 52:1576 54:318 55:948 56:8 57:212 58:2163 59:1206 60:1061 61:2737 62:2739 63:1852 64:5454 65:2276 66:4630 67:3011 68:1344 69:4033 70:1153 71:555 72:2855 74:2636 75:1560 76:616 77:2504 78:1850 79:1778 80:2184 81:2021 82:1659 83:1361 84:1707 85:3171 86:971 87:2034 88:1246 89:4231 90:691 91:8198 92:2413 93:2714 94:3734 95:4202 96:1272 97:316 98:1051 99:736 100:73 101:1164 102:3304 103:32287 104:4476 105:676 106:985 107:2368 108:1162 109:4080 110:2141 111:3272 112:2052 113:1805 114:1847 115:2099 116:1955 117:2679 118:2857 119:1981 120:1798 121:1343 122:2690 123:2256 124:1610 125:2832 126:64 128:1358 129:935 130:1182 131:1853 132:809 133:428 134:1467 135:308 136:1139 137:1062 138:2858 139:1528 140:1443 141:1448 142:1669 143:1642 144:1014 145:362 146:2105 147:2031 148:2540 149:2804 150:1060 151:1355 152:2109 153:501 154:6501 155:1427 156:2402 157:1810 158:1183 159:2437 160:2999 161:1699 162:3540 163:1737 164:1677 165:2143 166:1275 167:1843 168:4038 169:800 170:4921 171:1035 172:3884 173:3072 174:900 175:1261 176:3458 177:4717 178:3637 179:2220 180:2455 181:3835 182:3301 183:1973 184:2263 185:20932 186:4999 187:4329 188:4095 189:4138 190:9500 191:1508 192:11053 193:9208 194:7473 195:5312 196:3106 197:2775 198:5883 199:8020 200:8067 201:6265 202:10215 203:10380 204:4541 205:3637 206:4470 207:3529 208:4167 209:5036 210:4491 211:2539 212:4407 213:3656 214:1061 215:48 216:6717 217:2941 218:1329 219:434 220:1815 221:1046 222:701 223:2228 End of report