Global R&E Routing Table Report 23:15 GMT Fri 30 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 845346 Prefixes after maximum aggregation (per Origin AS): 321636 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 406837 Total ASes present in the Internet Routing Table: 71046 Prefixes per ASN: 11.90 Origin-only ASes present in the Internet Routing Table: 60989 Origin ASes announcing only one prefix: 25227 Transit ASes present in the Internet Routing Table: 10057 Transit-only ASes present in the Internet Routing Table: 333 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 58 Max AS path prepend of ASN (203986) 55 Prefixes from unregistered ASNs in the Routing Table: 1077 Number of instances of unregistered ASNs: 1092 Number of 32-bit ASNs allocated by the RIRs: 35885 Number of 32-bit ASNs visible in the Routing Table: 29824 Prefixes from 32-bit ASNs in the Routing Table: 134858 Number of bogon 32-bit ASNs visible in the Routing Table: 36 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 586 Number of addresses announced to Internet: 3031136768 Equivalent to 180 /8s, 171 /16s and 122 /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: 99.5 Total number of prefixes smaller than registry allocations: 289795 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 215327 Total APNIC prefixes after maximum aggregation: 62934 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 211534 Unique aggregates announced from the APNIC address blocks: 89436 APNIC Region origin ASes present in the Internet Routing Table: 11444 APNIC Prefixes per ASN: 18.48 APNIC Region origin ASes announcing only one prefix: 3276 APNIC Region transit ASes present in the Internet Routing Table: 1619 Average APNIC Region AS path length visible: 3.1 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6660 Number of APNIC addresses announced to Internet: 773144832 Equivalent to 46 /8s, 21 /16s and 65 /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, 131072-143673 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: 246007 Total ARIN prefixes after maximum aggregation: 112760 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 246455 Unique aggregates announced from the ARIN address blocks: 117860 ARIN Region origin ASes present in the Internet Routing Table: 18744 ARIN Prefixes per ASN: 13.15 ARIN Region origin ASes announcing only one prefix: 6803 ARIN Region transit ASes present in the Internet Routing Table: 1933 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 30 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3837 Number of ARIN addresses announced to Internet: 1263373056 Equivalent to 75 /8s, 77 /16s and 139 /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: 244677 Total RIPE prefixes after maximum aggregation: 113841 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240602 Unique aggregates announced from the RIPE address blocks: 141608 RIPE Region origin ASes present in the Internet Routing Table: 27897 RIPE Prefixes per ASN: 8.62 RIPE Region origin ASes announcing only one prefix: 11964 RIPE Region transit ASes present in the Internet Routing Table: 3985 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 58 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10154 Number of RIPE addresses announced to Internet: 710710016 Equivalent to 42 /8s, 92 /16s and 147 /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: 112441 Total LACNIC prefixes after maximum aggregation: 26413 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 113546 Unique aggregates announced from the LACNIC address blocks: 46940 LACNIC Region origin ASes present in the Internet Routing Table: 10752 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2693 LACNIC Region transit ASes present in the Internet Routing Table: 2039 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8374 Number of LACNIC addresses announced to Internet: 176418560 Equivalent to 10 /8s, 131 /16s and 239 /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: 25805 Total AfriNIC prefixes after maximum aggregation: 4918 AfriNIC Deaggregation factor: 5.25 Prefixes being announced from the AfriNIC address blocks: 32623 Unique aggregates announced from the AfriNIC address blocks: 10466 AfriNIC Region origin ASes present in the Internet Routing Table: 1447 AfriNIC Prefixes per ASN: 22.55 AfriNIC Region origin ASes announcing only one prefix: 491 AfriNIC Region transit ASes present in the Internet Routing Table: 292 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 799 Number of AfriNIC addresses announced to Internet: 107042816 Equivalent to 6 /8s, 97 /16s and 88 /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 5726 782 670 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5181 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3518 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3492 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2886 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2338 481 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2205 11358 559 KIXS-AS-KR Korea Telecom, KR 4755 2121 441 191 TATACOMM-AS TATA Communications formerl 45090 2097 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1945 314 16 TOT-NET TOT Public Company Limited, TH 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 5075 9369 2244 AMAZON-02, US 11492 4777 316 640 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3925 2998 245 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3478 1794 2446 AKAMAI-AS, US 6327 3359 1317 68 SHAW, CA 30036 2562 373 130 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2535 5039 485 CENTURYLINK-US-LEGACY-QWEST, US 5650 2298 2989 1606 FRONTIER-FRTR, US 5972 2233 452 781 DNIC-ASBLK-05800-06055, 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 7793 1046 3496 TTNET, TR 12479 6566 1725 145 UNI2-AS, ES 20940 3603 3359 190 AKAMAI-ASN1, NL 8551 3536 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2885 2284 896 ROSTELECOM-AS, RU 9009 2421 247 1298 M247, GB 34984 2216 357 586 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1586 885 582 TCI, IR 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 8536 3476 577 Uninet S.A. de C.V., MX 10620 3414 526 617 Telmex Colombia S.A., CO 11830 2494 369 62 Instituto Costarricense de Electricidad 7303 1969 2058 70 Telecom Argentina S.A., AR 13999 1690 448 426 Mega Cable, S.A. de C.V., MX 6503 1445 311 477 Axtel, S.A.B. de C.V., MX 28573 1383 2280 225 CLARO S.A., BR 3816 1229 644 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1131 377 39 Telefonica del Peru S.A.A., PE 11664 1002 210 400 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 1581 393 22 LINKdotNET-AS, EG 24835 1445 494 28 RAYA-AS, EG 36992 1185 1473 176 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 730 68 11 ORANGE-COTE-IVOIRE, CI 6713 594 1863 34 IAM-AS, MA 36935 521 522 40 Vodafone-, EG 37342 487 32 1 MOVITEL, MZ 15399 483 48 24 WANANCHI-, KE 23889 439 232 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 8536 3476 577 Uninet S.A. de C.V., MX 47331 7793 1046 3496 TTNET, TR 12479 6566 1725 145 UNI2-AS, ES 7545 5726 782 670 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5181 8995 52 CMNET-GD Guangdong Mobile Communication 16509 5075 9369 2244 AMAZON-02, US 11492 4777 316 640 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3925 2998 245 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3603 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 6566 6421 UNI2-AS, ES 9808 5181 5129 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5726 5056 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7793 4297 TTNET, TR 11492 4777 4137 CABLEONE, US 7155 4030 3998 VIASAT-SP-BACKBONE, US 22773 3925 3680 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3536 3496 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3492 3472 VIETEL-AS-AP Viettel Group, VN 7713 3518 3462 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 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 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 46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, 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: 398481 REDMERCURY, US Transit: 209319 IPV6ROUTING, US 27.100.7.0/24 Origin: 56096 UNASSIGNED Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 27.126.156.0/22 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 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 /8:16 /9:13 /10:40 /11:101 /12:298 /13:584 /14:1188 /15:2035 /16:13467 /17:8226 /18:13647 /19:25265 /20:40703 /21:50226 /22:104956 /23:90130 /24:494439 /25:0 /26:1 /27:0 /28:0 /29:1 /30:3 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 47331 6971 7793 TTNET, TR 12479 5518 6566 UNI2-AS, ES 11492 3823 4777 CABLEONE, US 6327 3168 3359 SHAW, CA 7155 3118 4030 VIASAT-SP-BACKBONE, US 8151 3101 8536 Uninet S.A. de C.V., MX 8551 3000 3536 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2964 3925 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2233 2562 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1886 2:1210 3:122 4:19 5:3541 6:65 7:5 8:1492 11:164 12:1753 13:361 14:2200 15:75 16:15 17:322 18:93 20:122 21:1 22:188 23:4685 24:2398 25:2 27:2517 29:19 31:2337 32:107 34:2 35:39 36:1243 37:3769 38:2073 39:580 40:158 41:3774 42:926 43:2107 44:240 45:15011 46:3658 47:320 49:1596 50:1773 51:92 52:1238 54:223 55:774 56:8 57:59 58:1598 59:1069 60:894 61:2240 62:2236 63:1956 64:5321 65:2384 66:5140 67:2888 68:1158 69:4075 70:1399 71:686 72:3162 74:2589 75:1486 76:687 77:2022 78:3691 79:2700 80:1872 81:1653 82:1360 83:1122 84:1265 85:3389 86:704 87:1806 88:2698 89:2993 90:448 91:7322 92:1755 93:2522 94:3111 95:4439 96:1271 97:345 98:989 99:971 100:75 101:1201 102:1425 103:26009 104:3747 105:436 106:721 107:2264 108:710 109:4001 110:1894 111:2719 112:1859 113:1303 114:1441 115:1932 116:1809 117:2218 118:2260 119:1828 120:1075 121:987 122:2238 123:2194 124:1514 125:1896 128:1149 129:1098 130:840 131:2027 132:740 133:356 134:1590 135:289 136:749 137:926 138:2297 139:1166 140:712 141:1189 142:1156 143:1271 144:1262 145:330 146:1396 147:1300 148:2211 149:1401 150:806 151:1074 152:1551 153:394 154:2417 155:1326 156:1488 157:1174 158:915 159:2043 160:2130 161:1146 162:3264 163:986 164:1520 165:1397 166:586 167:1811 168:3568 169:679 170:4263 171:771 172:2159 173:2950 174:993 175:1073 176:3122 177:4305 178:2880 179:1940 180:2318 181:2603 182:3163 183:1636 184:2427 185:18214 186:4212 187:3174 188:3300 189:2857 190:8900 191:1367 192:10668 193:8051 194:6598 195:4727 196:2885 197:2186 198:6011 199:6007 200:7401 201:5327 202:10191 203:10107 204:4621 205:3326 206:3486 207:3320 208:4010 209:4655 210:3981 211:2069 212:3672 213:3350 214:1224 215:61 216:6180 217:2541 218:1040 219:476 220:2052 221:933 222:691 223:1701 End of report