Global R&E Routing Table Report 23:05 GMT Mon 28 Jun, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 849896 Prefixes after maximum aggregation (per Origin AS): 323456 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 410443 Total ASes present in the Internet Routing Table: 71372 Prefixes per ASN: 11.91 Origin-only ASes present in the Internet Routing Table: 61281 Origin ASes announcing only one prefix: 25321 Transit ASes present in the Internet Routing Table: 10091 Transit-only ASes present in the Internet Routing Table: 339 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 52 Max AS path prepend of ASN ( 48366) 51 Prefixes from unregistered ASNs in the Routing Table: 1120 Number of instances of unregistered ASNs: 1131 Number of 32-bit ASNs allocated by the RIRs: 36451 Number of 32-bit ASNs visible in the Routing Table: 30263 Prefixes from 32-bit ASNs in the Routing Table: 137305 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 540 Number of addresses announced to Internet: 3041442304 Equivalent to 181 /8s, 72 /16s and 186 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 291197 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216596 Total APNIC prefixes after maximum aggregation: 62820 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 212438 Unique aggregates announced from the APNIC address blocks: 90081 APNIC Region origin ASes present in the Internet Routing Table: 11577 APNIC Prefixes per ASN: 18.35 APNIC Region origin ASes announcing only one prefix: 3296 APNIC Region transit ASes present in the Internet Routing Table: 1644 Average APNIC Region AS path length visible: 3.1 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6811 Number of APNIC addresses announced to Internet: 775163392 Equivalent to 46 /8s, 52 /16s and 14 /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, 131072-147769 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: 248627 Total ARIN prefixes after maximum aggregation: 113596 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 248531 Unique aggregates announced from the ARIN address blocks: 118651 ARIN Region origin ASes present in the Internet Routing Table: 18793 ARIN Prefixes per ASN: 13.22 ARIN Region origin ASes announcing only one prefix: 6822 ARIN Region transit ASes present in the Internet Routing Table: 1943 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3939 Number of ARIN addresses announced to Internet: 1271604224 Equivalent to 75 /8s, 203 /16s and 36 /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, 393216-401308 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: 246882 Total RIPE prefixes after maximum aggregation: 114680 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 243113 Unique aggregates announced from the RIPE address blocks: 143256 RIPE Region origin ASes present in the Internet Routing Table: 27991 RIPE Prefixes per ASN: 8.69 RIPE Region origin ASes announcing only one prefix: 12018 RIPE Region transit ASes present in the Internet Routing Table: 3983 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 52 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10269 Number of RIPE addresses announced to Internet: 710902784 Equivalent to 42 /8s, 95 /16s and 132 /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 196608-213403 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: 110697 Total LACNIC prefixes after maximum aggregation: 26513 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 111857 Unique aggregates announced from the LACNIC address blocks: 47125 LACNIC Region origin ASes present in the Internet Routing Table: 10767 LACNIC Prefixes per ASN: 10.39 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2056 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 34 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8417 Number of LACNIC addresses announced to Internet: 176015104 Equivalent to 10 /8s, 125 /16s and 199 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 25962 Total AfriNIC prefixes after maximum aggregation: 5094 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 33417 Unique aggregates announced from the AfriNIC address blocks: 10851 AfriNIC Region origin ASes present in the Internet Routing Table: 1486 AfriNIC Prefixes per ASN: 22.49 AfriNIC Region origin ASes announcing only one prefix: 512 AfriNIC Region transit ASes present in the Internet Routing Table: 295 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 41 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 827 Number of AfriNIC addresses announced to Internet: 107324928 Equivalent to 6 /8s, 101 /16s and 166 /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 7545 5807 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4932 8999 55 CMNET-GD Guangdong Mobile Communication 7713 3527 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3520 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2876 1896 55 VNPT-AS-VN VNPT Corp, VN 9498 2359 483 247 BBIL-AP BHARTI Airtel Ltd., IN 4766 2216 11375 563 KIXS-AS-KR Korea Telecom, KR 45090 2114 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 4755 2113 437 190 TATACOMM-AS TATA Communications formerl 24560 1947 842 337 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 5202 9529 2318 AMAZON-02, US 11492 4782 315 662 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3959 3011 255 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3507 1802 2453 AKAMAI-AS, US 6327 3360 1317 69 SHAW, CA 30036 2574 372 158 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2537 5036 476 CENTURYLINK-US-LEGACY-QWEST, US 5972 2253 454 784 DNIC-ASBLK-05800-06055, US 20115 2168 2930 492 CHARTER-20115, 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 47331 7826 1052 3503 TTNET, TR 12479 6763 1721 140 UNI2-AS, ES 20940 3650 3359 190 AKAMAI-ASN1, NL 8551 3340 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2884 2283 896 ROSTELECOM-AS, RU 9009 2457 258 1311 M247, GB 34984 2217 357 594 TELLCOM-AS, TR 61317 1665 257 816 ASDETUK www.heficed.com, GB 13188 1610 100 27 TRIOLAN, UA 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 8525 3441 590 Uninet S.A. de C.V., MX 10620 3407 525 643 Telmex Colombia S.A., CO 11830 2509 369 62 Instituto Costarricense de Electricidad 13999 1749 430 460 Mega Cable, S.A. de C.V., MX 6503 1453 359 479 Axtel, S.A.B. de C.V., MX 28573 1420 2284 234 CLARO S.A., BR 3816 1239 650 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1113 374 31 Telefonica del Peru S.A.A., PE 26615 1062 2351 134 TIM SA, BR 11664 1004 204 428 Techtel LMDS Comunicaciones Interactiva 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 1650 393 22 LINKdotNET-AS, EG 24835 1457 498 30 RAYA-AS, EG 36992 1303 1489 266 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 745 68 11 ORANGE-COTE-IVOIRE, CI 6713 612 1863 34 IAM-AS, MA 36935 529 522 40 Vodafone-, EG 15399 495 49 25 WANANCHI-, KE 37342 482 32 1 MOVITEL, MZ 23889 438 232 16 MauritiusTelecom, MU 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 8525 3441 590 Uninet S.A. de C.V., MX 47331 7826 1052 3503 TTNET, TR 12479 6763 1721 140 UNI2-AS, ES 7545 5807 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5202 9529 2318 AMAZON-02, US 9808 4932 8999 55 CMNET-GD Guangdong Mobile Communication 11492 4782 315 662 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3959 3011 255 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3650 3359 190 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 12479 6763 6623 UNI2-AS, ES 7545 5807 5131 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4932 4877 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7826 4323 TTNET, TR 11492 4782 4120 CABLEONE, US 7155 4027 3995 VIASAT-SP-BACKBONE, US 22773 3959 3704 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3520 3500 VIETEL-AS-AP Viettel Group, VN 7713 3527 3471 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 20940 3650 3460 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US 15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, US 3577 UNALLOCATED 12.19.197.0/24 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED Transit: 11426 TWC-11426-CAROLINAS, US 23.142.80.0/24 Origin: 209319 IPV6ROUTING, US Transit: 46573 LAYER-HOST, US 23.162.32.0/24 Origin: 32444 SAFELINK-MV, US Transit: 6939 HURRICANE, US 27.100.7.0/24 Origin: 56096 UNASSIGNED Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 27.126.156.0/23 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 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 /8:17 /9:14 /10:40 /11:100 /12:307 /13:587 /14:1187 /15:2029 /16:13442 /17:8212 /18:13728 /19:24838 /20:40564 /21:49656 /22:105399 /23:90744 /24:499019 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 47331 6994 7826 TTNET, TR 12479 5723 6763 UNI2-AS, ES 11492 3807 4782 CABLEONE, US 6327 3167 3360 SHAW, CA 7155 3115 4027 VIASAT-SP-BACKBONE, US 8151 3048 8525 Uninet S.A. de C.V., MX 22773 2968 3959 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2804 3340 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2803 3267 ALJAWWALSTC-AS, SA 30036 2241 2574 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1889 2:1147 3:139 4:19 5:3561 6:74 7:5 8:1510 11:164 12:1740 13:361 14:2212 15:85 16:16 17:324 18:93 20:122 21:1 22:188 23:4795 24:2433 25:2 27:2530 29:19 31:2295 32:106 34:1 35:46 36:1440 37:3770 38:2165 39:588 40:158 41:3739 42:977 43:2059 44:260 45:15182 46:3707 47:382 49:1606 50:1802 51:101 52:1239 54:226 55:798 56:9 57:53 58:1626 59:1049 60:929 61:2211 62:2313 63:1963 64:5369 65:2370 66:5042 67:2879 68:1168 69:4076 70:1384 71:679 72:3122 74:2598 75:1491 76:698 77:2042 78:3709 79:2656 80:1866 81:1654 82:1373 83:1140 84:1277 85:3436 86:694 87:1825 88:2697 89:3026 90:509 91:7353 92:1793 93:2552 94:3111 95:4483 96:1291 97:343 98:974 99:969 100:77 101:1266 102:1521 103:26195 104:3803 105:441 106:785 107:2241 108:725 109:3868 110:1899 111:2782 112:1815 113:1288 114:1441 115:1951 116:1818 117:2211 118:2315 119:1840 120:1038 121:961 122:2493 123:2155 124:1533 125:1885 128:1255 129:1282 130:859 131:2022 132:742 133:360 134:1617 135:297 136:769 137:937 138:2378 139:1194 140:757 141:1188 142:1197 143:1302 144:1253 145:326 146:1451 147:1340 148:2205 149:1443 150:814 151:1080 152:1528 153:414 154:2629 155:1329 156:1593 157:1199 158:913 159:2021 160:2329 161:1184 162:3307 163:1058 164:1537 165:1430 166:608 167:1809 168:3646 169:700 170:4302 171:776 172:2460 173:2974 174:990 175:1096 176:3145 177:4377 178:2918 179:1884 180:2318 181:2632 182:3165 183:1598 184:2428 185:18445 186:4185 187:3081 188:3320 189:2857 190:8913 191:1427 192:10696 193:8240 194:6702 195:4800 196:2884 197:2166 198:6011 199:5986 200:7420 201:5238 202:10151 203:10099 204:4614 205:3332 206:3495 207:3371 208:4015 209:4689 210:3983 211:2187 212:3724 213:3471 214:1183 215:59 216:6263 217:2571 218:1054 219:462 220:2035 221:903 222:678 223:1719 End of report