IPv4 R&E Routing Table Report 23:05 GMT Mon 29 Jul, 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: 945962 Prefixes after maximum aggregation (per Origin AS): 363166 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 466612 Number of IPv4 prefixes with a valid ROA: 487741 Number of IPv4 prefixes with an invalid ROA: 1207 Number of IPv4 prefixes with no ROA: 457014 Total ASes present in the Internet Routing Table: 75799 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65183 Origin ASes announcing only one prefix: 26678 Transit ASes present in the Internet Routing Table: 10616 Transit-only ASes present in the Internet Routing Table: 514 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 1010 Number of instances of unregistered ASNs: 1027 Number of 32-bit ASNs allocated by the RIRs: 45047 Number of 32-bit ASNs visible in the Routing Table: 36729 Prefixes from 32-bit ASNs in the Routing Table: 188896 Number of bogon 32-bit ASNs visible in the Routing Table: 41 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 554 Number of addresses announced to Internet: 3025288704 Equivalent to 180 /8s, 82 /16s and 62 /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: 310548 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249746 Total APNIC prefixes after maximum aggregation: 74082 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 241645 Unique aggregates announced from the APNIC address blocks: 101811 APNIC Region origin ASes present in the Internet Routing Table: 14176 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4310 APNIC Region transit ASes present in the Internet Routing Table: 1875 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: 9650 Number of APNIC addresses announced to Internet: 761485056 Equivalent to 45 /8s, 99 /16s and 87 /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: 276822 Total ARIN prefixes after maximum aggregation: 125234 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281339 Unique aggregates announced from the ARIN address blocks: 135019 ARIN Region origin ASes present in the Internet Routing Table: 19083 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6948 ARIN Region transit ASes present in the Internet Routing Table: 1894 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: 4943 Number of ARIN addresses announced to Internet: 1266848768 Equivalent to 75 /8s, 130 /16s and 148 /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: 265208 Total RIPE prefixes after maximum aggregation: 127748 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260729 Unique aggregates announced from the RIPE address blocks: 165413 RIPE Region origin ASes present in the Internet Routing Table: 28652 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12115 RIPE Region transit ASes present in the Internet Routing Table: 3898 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11897 Number of RIPE addresses announced to Internet: 714471424 Equivalent to 42 /8s, 149 /16s and 248 /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: 121697 Total LACNIC prefixes after maximum aggregation: 29177 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 119687 Unique aggregates announced from the LACNIC address blocks: 50180 LACNIC Region origin ASes present in the Internet Routing Table: 11125 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2640 LACNIC Region transit ASes present in the Internet Routing Table: 2434 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: 9019 Number of LACNIC addresses announced to Internet: 177156864 Equivalent to 10 /8s, 143 /16s and 51 /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: 31479 Total AfriNIC prefixes after maximum aggregation: 6267 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 42008 Unique aggregates announced from the AfriNIC address blocks: 13735 AfriNIC Region origin ASes present in the Internet Routing Table: 1859 AfriNIC Prefixes per ASN: 22.60 AfriNIC Region origin ASes announcing only one prefix: 665 AfriNIC Region transit ASes present in the Internet Routing Table: 353 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: 1220 Number of AfriNIC addresses announced to Internet: 104960768 Equivalent to 6 /8s, 65 /16s and 147 /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 9860 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5662 776 672 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4201 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3964 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3790 511 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3644 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3241 1841 106 VNPT-AS-VN VNPT Corp, VN 24560 2815 857 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2196 434 200 TATACOMM-AS TATA Communications formerly 45090 2188 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 10267 11564 3659 AMAZON-02, US 11492 4621 307 549 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3841 8788 885 COGENT-174, US 6327 3595 1320 79 SHAW, CA 22773 3421 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3254 54899 2506 DNIC-AS-00749, US 16625 3013 1302 2174 AKAMAI-AS, US 7018 2921 23688 1832 ATT-INTERNET4, US 396982 2760 3596 411 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 7720 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3810 3396 129 AKAMAI-ASN1, NL 9009 3562 304 1835 M247, RO 12389 2865 2291 859 ROSTELECOM-AS, RU 34984 2348 362 576 TELLCOM-AS, TR 8551 1773 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1725 124 1260 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 11884 3306 508 UNINET, MX 10620 3525 493 939 Telmex Colombia S.A., CO 13999 2540 354 675 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1314 768 202 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1126 314 483 Axtel, S.A.B. de C.V., MX 6147 1098 369 22 Telefonica del Peru S.A.A., PE 26615 1084 2503 53 TIM SA, BR 22884 1069 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 1612 389 16 LINKdotNET-AS, EG 24835 1559 593 29 RAYA-AS, EG 36992 1382 1520 280 ETISALAT-MISR, EG 29571 1293 82 76 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 938 521 43 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 546 82 3 KENET-AS, KE 37342 512 32 1 MOVITEL, MZ 36947 402 1063 15 ALGTEL-AS, DZ 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 11884 3306 508 UNINET, MX 16509 10267 11564 3659 AMAZON-02, US 9808 9860 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7720 1708 145 UNI2-AS, ES 7545 5662 776 672 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4621 307 549 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4201 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3964 1331 21 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 9860 9786 CHINAMOBILE-CN China Mobile Communications Grou 12479 7720 7575 UNI2-AS, ES 16509 10267 6608 AMAZON-02, US 7545 5662 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4201 4178 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4078 VIASAT-SP-BACKBONE, US 11492 4621 4072 CABLEONE, US 7552 3964 3943 VIETEL-AS-AP Viettel Group, VN 20940 3810 3681 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 23.140.216.0/24 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 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /13:569 /14:1161 /15:2050 /16:13130 /17:8142 /18:13567 /19:24334 /20:43126 /21:51226 /22:110666 /23:99275 /24:578253 /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 6807 7720 UNI2-AS, ES 8151 5942 11884 UNINET, MX 11492 3532 4621 CABLEONE, US 6327 3392 3595 SHAW, CA 39891 3361 4521 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2560 3421 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2154 3525 Telmex Colombia S.A., CO 16509 2153 10267 AMAZON-02, US 30036 2151 2490 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2281 2:1508 3:391 4:6 5:4366 6:149 7:6 8:1514 9:1 11:172 12:1436 13:364 14:2329 15:326 16:220 17:365 18:785 20:385 21:4 22:188 23:6893 24:2693 25:2 27:2619 29:19 31:2599 32:44 34:67 35:135 36:2346 37:4492 38:8125 39:912 40:150 41:4028 42:1989 43:2389 44:330 45:17357 46:4551 47:301 49:1963 50:1857 51:580 52:1576 54:319 55:928 56:8 57:212 58:2140 59:1199 60:1052 61:2689 62:2765 63:1865 64:5438 65:2275 66:4593 67:2996 68:1299 69:4024 70:1157 71:559 72:2859 74:2594 75:1559 76:614 77:2503 78:1861 79:1783 80:2167 81:2010 82:1659 83:1362 84:1698 85:3177 86:939 87:2022 88:1246 89:4193 90:700 91:8183 92:2347 93:2716 94:3731 95:4209 96:1276 97:317 98:1038 99:739 100:73 101:1165 102:3291 103:32196 104:4756 105:698 106:1001 107:2495 108:1156 109:4037 110:2121 111:3206 112:2054 113:1812 114:1806 115:2023 116:1943 117:2648 118:2794 119:1977 120:1797 121:1295 122:2699 123:2255 124:1610 125:2830 126:32 128:1360 129:927 130:1169 131:1861 132:812 133:415 134:1713 135:310 136:1125 137:1060 138:2857 139:1528 140:1413 141:1387 142:1670 143:1620 144:1019 145:358 146:2095 147:2004 148:2537 149:2761 150:1033 151:1351 152:2229 153:522 154:6463 155:1431 156:2329 157:1902 158:1114 159:2427 160:2855 161:1707 162:3521 163:1701 164:1684 165:2139 166:1254 167:1823 168:4025 169:805 170:4902 171:1031 172:3883 173:3062 174:896 175:1238 176:3455 177:4637 178:3627 179:2230 180:2425 181:3800 182:3324 183:1973 184:2254 185:20889 186:4967 187:4332 188:4082 189:4112 190:9484 191:1510 192:11011 193:9158 194:7484 195:5295 196:3194 197:2636 198:5911 199:8006 200:8094 201:6314 202:10261 203:10294 204:4544 205:3645 206:4432 207:3500 208:4155 209:4990 210:4475 211:2538 212:4370 213:3621 214:1067 215:49 216:6720 217:2937 218:1327 219:432 220:1807 221:1037 222:699 223:2218 End of report