IPv4 R&E Routing Table Report 23:05 GMT Tue 13 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: 947338 Prefixes after maximum aggregation (per Origin AS): 363093 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464335 Number of IPv4 prefixes with a valid ROA: 491060 Number of IPv4 prefixes with an invalid ROA: 1197 Number of IPv4 prefixes with no ROA: 455081 Total ASes present in the Internet Routing Table: 75872 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65230 Origin ASes announcing only one prefix: 26736 Transit ASes present in the Internet Routing Table: 10642 Transit-only ASes present in the Internet Routing Table: 513 Paths with bogon ASNs present in the IPv4 Routing Table: 15 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 205 Max AS path prepend of ASN (214727) 200 Prefixes from unregistered ASNs in the Routing Table: 977 Number of instances of unregistered ASNs: 984 Number of 32-bit ASNs allocated by the RIRs: 45173 Number of 32-bit ASNs visible in the Routing Table: 36831 Prefixes from 32-bit ASNs in the Routing Table: 190138 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: 560 Number of addresses announced to Internet: 3026469632 Equivalent to 180 /8s, 100 /16s and 67 /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: 310773 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250419 Total APNIC prefixes after maximum aggregation: 74387 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 242431 Unique aggregates announced from the APNIC address blocks: 102114 APNIC Region origin ASes present in the Internet Routing Table: 14216 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4312 APNIC Region transit ASes present in the Internet Routing Table: 1884 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: 9683 Number of APNIC addresses announced to Internet: 761336320 Equivalent to 45 /8s, 97 /16s and 18 /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: 276869 Total ARIN prefixes after maximum aggregation: 125246 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281197 Unique aggregates announced from the ARIN address blocks: 134203 ARIN Region origin ASes present in the Internet Routing Table: 19077 ARIN Prefixes per ASN: 14.74 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: 4952 Number of ARIN addresses announced to Internet: 1265882112 Equivalent to 75 /8s, 115 /16s and 212 /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: 265436 Total RIPE prefixes after maximum aggregation: 128106 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 260979 Unique aggregates announced from the RIPE address blocks: 165749 RIPE Region origin ASes present in the Internet Routing Table: 28663 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12122 RIPE Region transit ASes present in the Internet Routing Table: 3912 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 205 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11919 Number of RIPE addresses announced to Internet: 716016896 Equivalent to 42 /8s, 173 /16s and 141 /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: 121898 Total LACNIC prefixes after maximum aggregation: 28423 LACNIC Deaggregation factor: 4.29 Prefixes being announced from the LACNIC address blocks: 119788 Unique aggregates announced from the LACNIC address blocks: 47784 LACNIC Region origin ASes present in the Internet Routing Table: 11145 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2670 LACNIC Region transit ASes present in the Internet Routing Table: 2435 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: 9044 Number of LACNIC addresses announced to Internet: 178112000 Equivalent to 10 /8s, 157 /16s and 198 /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: 31739 Total AfriNIC prefixes after maximum aggregation: 6293 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 42383 Unique aggregates announced from the AfriNIC address blocks: 14020 AfriNIC Region origin ASes present in the Internet Routing Table: 1874 AfriNIC Prefixes per ASN: 22.62 AfriNIC Region origin ASes announcing only one prefix: 679 AfriNIC Region transit ASes present in the Internet Routing Table: 358 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: 1233 Number of AfriNIC addresses announced to Internet: 104748544 Equivalent to 6 /8s, 62 /16s and 86 /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 5674 841 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4261 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3964 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 2812 856 450 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 10491 11605 3751 AMAZON-02, US 11492 4629 308 545 CABLEONE, US 7155 4138 284 77 VIASAT-SP-BACKBONE, US 174 3948 8785 900 COGENT-174, US 6327 3597 1320 79 SHAW, CA 22773 3421 3036 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54897 2507 DNIC-AS-00749, US 7018 2960 23675 1860 ATT-INTERNET4, US 16625 2954 1265 2137 AKAMAI-AS, US 396982 2774 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 7702 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3779 3396 129 AKAMAI-ASN1, NL 9009 3655 312 1858 M247, RO 12389 2862 2291 857 ROSTELECOM-AS, RU 34984 2337 361 583 TELLCOM-AS, TR 8551 1790 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1741 124 1275 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 11865 3290 517 UNINET, MX 10620 3532 493 935 Telmex Colombia S.A., CO 13999 2552 629 22 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1342 2310 258 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 1082 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 1613 389 16 LINKdotNET-AS, EG 24835 1555 593 29 RAYA-AS, EG 36992 1411 1519 283 ETISALAT-MISR, EG 29571 1321 84 76 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 544 82 3 KENET-AS, KE 37342 517 32 1 MOVITEL, MZ 24757 435 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 11865 3290 517 UNINET, MX 16509 10491 11605 3751 AMAZON-02, US 9808 9890 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7702 1708 145 UNI2-AS, ES 7545 5674 841 663 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4629 308 545 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4261 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4138 284 77 VIASAT-SP-BACKBONE, US 7552 3964 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 9890 9815 CHINAMOBILE-CN China Mobile Communications Grou 12479 7702 7557 UNI2-AS, ES 16509 10491 6740 AMAZON-02, US 7545 5674 5011 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4261 4238 FPT-AS-AP FPT Telecom Company, VN 11492 4629 4084 CABLEONE, US 7155 4138 4061 VIASAT-SP-BACKBONE, US 7552 3964 3942 VIETEL-AS-AP Viettel Group, VN 20940 3779 3650 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: 2914 NTT-LTD-2914, 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 /16:13116 /17:8140 /18:13557 /19:24326 /20:43122 /21:51241 /22:110797 /23:99287 /24:579503 /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 6789 7702 UNI2-AS, ES 8151 5952 11865 UNINET, MX 11492 3540 4629 CABLEONE, US 6327 3393 3597 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3085 4138 VIASAT-SP-BACKBONE, US 22773 2560 3421 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2161 3532 Telmex Colombia S.A., CO 30036 2147 2484 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2146 10491 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2295 2:1496 3:410 4:6 5:4382 6:162 7:6 8:1519 9:1 11:172 12:1427 13:350 14:2354 15:324 16:259 17:363 18:859 20:407 21:4 22:188 23:6780 24:2697 25:2 27:2596 29:19 31:2628 32:44 34:68 35:137 36:2344 37:4511 38:8295 39:913 40:150 41:4097 42:2009 43:2400 44:329 45:17376 46:4565 47:300 49:2012 50:1839 51:579 52:1578 54:317 55:949 56:8 57:213 58:2162 59:1202 60:1060 61:2687 62:2745 63:1847 64:5441 65:2276 66:4623 67:3008 68:1344 69:4023 70:1151 71:556 72:2847 74:2631 75:1561 76:614 77:2504 78:1828 79:1786 80:2185 81:2001 82:1664 83:1365 84:1694 85:3161 86:972 87:2027 88:1247 89:4209 90:698 91:8193 92:2400 93:2702 94:3733 95:4203 96:1274 97:317 98:1049 99:737 100:73 101:1159 102:3305 103:32287 104:4488 105:699 106:982 107:2374 108:1160 109:4062 110:2140 111:3228 112:2059 113:1807 114:1823 115:2050 116:1953 117:2673 118:2821 119:1983 120:1799 121:1327 122:2690 123:2255 124:1610 125:2831 126:64 128:1359 129:934 130:1185 131:1856 132:808 133:428 134:1467 135:312 136:1126 137:1064 138:2848 139:1528 140:1430 141:1451 142:1668 143:1635 144:1022 145:363 146:2094 147:2038 148:2569 149:2773 150:1061 151:1357 152:2225 153:504 154:6543 155:1434 156:2395 157:1808 158:1177 159:2443 160:2983 161:1694 162:3546 163:1737 164:1683 165:2147 166:1272 167:1856 168:4032 169:802 170:4939 171:1033 172:3886 173:3067 174:900 175:1245 176:3450 177:4662 178:3585 179:2190 180:2445 181:3820 182:3331 183:1980 184:2259 185:20903 186:4996 187:4360 188:4093 189:4150 190:9495 191:1518 192:11047 193:9234 194:7459 195:5291 196:3206 197:2647 198:5910 199:8041 200:8049 201:6257 202:10217 203:10342 204:4503 205:3649 206:4457 207:3530 208:4153 209:5036 210:4487 211:2541 212:4387 213:3629 214:1056 215:46 216:6717 217:2935 218:1329 219:434 220:1812 221:1045 222:702 223:2223 End of report