Global R&E Routing Table Report 23:15 GMT Thu 27 May, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 846483 Prefixes after maximum aggregation (per Origin AS): 322297 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 408451 Total ASes present in the Internet Routing Table: 71218 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 61185 Origin ASes announcing only one prefix: 25238 Transit ASes present in the Internet Routing Table: 10033 Transit-only ASes present in the Internet Routing Table: 328 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 59 Max AS path prepend of ASN ( 42313) 56 Prefixes from unregistered ASNs in the Routing Table: 1145 Number of instances of unregistered ASNs: 1158 Number of 32-bit ASNs allocated by the RIRs: 36142 Number of 32-bit ASNs visible in the Routing Table: 30027 Prefixes from 32-bit ASNs in the Routing Table: 135576 Number of bogon 32-bit ASNs visible in the Routing Table: 33 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 604 Number of addresses announced to Internet: 3040569088 Equivalent to 181 /8s, 59 /16s and 103 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 290221 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 215961 Total APNIC prefixes after maximum aggregation: 62605 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 212014 Unique aggregates announced from the APNIC address blocks: 89894 APNIC Region origin ASes present in the Internet Routing Table: 11507 APNIC Prefixes per ASN: 18.42 APNIC Region origin ASes announcing only one prefix: 3283 APNIC Region transit ASes present in the Internet Routing Table: 1623 Average APNIC Region AS path length visible: 3.2 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6726 Number of APNIC addresses announced to Internet: 774807040 Equivalent to 46 /8s, 46 /16s and 158 /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: 247107 Total ARIN prefixes after maximum aggregation: 113147 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 247366 Unique aggregates announced from the ARIN address blocks: 118069 ARIN Region origin ASes present in the Internet Routing Table: 18776 ARIN Prefixes per ASN: 13.17 ARIN Region origin ASes announcing only one prefix: 6804 ARIN Region transit ASes present in the Internet Routing Table: 1940 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3882 Number of ARIN addresses announced to Internet: 1271040768 Equivalent to 75 /8s, 194 /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: 245903 Total RIPE prefixes after maximum aggregation: 114392 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 241979 Unique aggregates announced from the RIPE address blocks: 142421 RIPE Region origin ASes present in the Internet Routing Table: 27948 RIPE Prefixes per ASN: 8.66 RIPE Region origin ASes announcing only one prefix: 11991 RIPE Region transit ASes present in the Internet Routing Table: 3980 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 59 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10205 Number of RIPE addresses announced to Internet: 710733056 Equivalent to 42 /8s, 92 /16s and 237 /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: 110373 Total LACNIC prefixes after maximum aggregation: 26420 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 111522 Unique aggregates announced from the LACNIC address blocks: 47063 LACNIC Region origin ASes present in the Internet Routing Table: 10760 LACNIC Prefixes per ASN: 10.36 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2025 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: 8401 Number of LACNIC addresses announced to Internet: 176215296 Equivalent to 10 /8s, 128 /16s and 213 /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: 25982 Total AfriNIC prefixes after maximum aggregation: 4963 AfriNIC Deaggregation factor: 5.24 Prefixes being announced from the AfriNIC address blocks: 32998 Unique aggregates announced from the AfriNIC address blocks: 10525 AfriNIC Region origin ASes present in the Internet Routing Table: 1467 AfriNIC Prefixes per ASN: 22.49 AfriNIC Region origin ASes announcing only one prefix: 497 AfriNIC Region transit ASes present in the Internet Routing Table: 293 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 36 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 813 Number of AfriNIC addresses announced to Internet: 107333888 Equivalent to 6 /8s, 101 /16s and 201 /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 5777 782 672 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5258 8995 48 CMNET-GD Guangdong Mobile Communication 7713 3519 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3511 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2890 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2337 482 241 BBIL-AP BHARTI Airtel Ltd., IN 4766 2203 11359 558 KIXS-AS-KR Korea Telecom, KR 4755 2127 441 192 TATACOMM-AS TATA Communications formerl 45090 2116 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1947 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 5225 9379 2281 AMAZON-02, US 11492 4717 312 726 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3940 3002 244 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3448 1766 2424 AKAMAI-AS, US 6327 3360 1317 68 SHAW, CA 30036 2565 372 169 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2528 5037 482 CENTURYLINK-US-LEGACY-QWEST, US 5972 2245 452 784 DNIC-ASBLK-05800-06055, US 20115 2170 2928 508 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 7745 1038 3501 TTNET, TR 12479 6672 1725 146 UNI2-AS, ES 20940 3611 3359 188 AKAMAI-ASN1, NL 8551 3404 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2885 2281 891 ROSTELECOM-AS, RU 9009 2429 253 1305 M247, GB 34984 2200 355 590 TELLCOM-AS, TR 13188 1609 100 31 TRIOLAN, UA 58224 1590 885 574 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 8620 3483 571 Uninet S.A. de C.V., MX 10620 3422 526 613 Telmex Colombia S.A., CO 11830 2496 369 62 Instituto Costarricense de Electricidad 13999 1725 432 454 Mega Cable, S.A. de C.V., MX 6503 1451 311 477 Axtel, S.A.B. de C.V., MX 28573 1400 2282 227 CLARO S.A., BR 3816 1233 648 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1113 374 31 Telefonica del Peru S.A.A., PE 11664 1003 208 417 Techtel LMDS Comunicaciones Interactiva 11172 963 111 69 Alestra, S. de R.L. de C.V., MX 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 1593 393 22 LINKdotNET-AS, EG 24835 1454 498 30 RAYA-AS, EG 36992 1240 1473 176 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 729 68 12 ORANGE-COTE-IVOIRE, CI 6713 612 1863 34 IAM-AS, MA 36935 528 522 40 Vodafone-, EG 37342 484 32 1 MOVITEL, MZ 15399 483 48 23 WANANCHI-, KE 23889 436 232 15 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 8620 3483 571 Uninet S.A. de C.V., MX 47331 7745 1038 3501 TTNET, TR 12479 6672 1725 146 UNI2-AS, ES 7545 5777 782 672 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5258 8995 48 CMNET-GD Guangdong Mobile Communication 16509 5225 9379 2281 AMAZON-02, US 11492 4717 312 726 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3940 3002 244 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3611 3359 188 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 6672 6526 UNI2-AS, ES 9808 5258 5210 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5777 5105 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7745 4244 TTNET, TR 7155 4027 3995 VIASAT-SP-BACKBONE, US 11492 4717 3991 CABLEONE, US 22773 3940 3696 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3511 3491 VIETEL-AS-AP Viettel Group, VN 7713 3519 3463 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 20940 3611 3423 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 46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, US 15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, 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 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 27.126.156.0/22 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 /11:100 /12:307 /13:585 /14:1186 /15:2029 /16:13456 /17:8233 /18:13702 /19:24881 /20:40452 /21:49604 /22:105119 /23:90302 /24:496446 /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 6933 7745 TTNET, TR 12479 5624 6672 UNI2-AS, ES 11492 3758 4717 CABLEONE, US 8151 3171 8620 Uninet S.A. de C.V., MX 6327 3167 3360 SHAW, CA 7155 3115 4027 VIASAT-SP-BACKBONE, US 22773 2969 3940 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2868 3404 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2232 2565 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1884 2:1194 3:131 4:23 5:3586 6:74 7:5 8:1500 11:164 12:1743 13:366 14:2203 15:76 16:15 17:322 18:107 20:122 21:1 22:188 23:4765 24:2419 25:2 27:2535 29:19 31:2287 32:107 34:16 35:45 36:1394 37:3776 38:2136 39:589 40:159 41:3776 42:938 43:2074 44:260 45:14949 46:3698 47:318 49:1605 50:1757 51:100 52:1281 54:237 55:745 56:7 57:53 58:1602 59:1038 60:925 61:2187 62:2273 63:1965 64:5336 65:2396 66:5041 67:2895 68:1167 69:4077 70:1385 71:680 72:3144 74:2602 75:1489 76:693 77:2019 78:3693 79:2603 80:1875 81:1636 82:1365 83:1130 84:1267 85:3397 86:704 87:1819 88:2701 89:3003 90:473 91:7344 92:1779 93:2530 94:3120 95:4469 96:1281 97:344 98:999 99:968 100:78 101:1289 102:1469 103:26034 104:3764 105:435 106:777 107:2270 108:712 109:3992 110:1891 111:2808 112:1875 113:1276 114:1447 115:1948 116:1800 117:2221 118:2277 119:1840 120:1094 121:962 122:2320 123:2190 124:1535 125:1857 128:1196 129:1214 130:841 131:2020 132:738 133:355 134:1606 135:293 136:750 137:926 138:2322 139:1179 140:728 141:1185 142:1186 143:1292 144:1252 145:328 146:1414 147:1316 148:2201 149:1420 150:812 151:1077 152:1544 153:412 154:2500 155:1328 156:1510 157:1175 158:909 159:2037 160:2328 161:1164 162:3271 163:996 164:1538 165:1419 166:596 167:1804 168:3590 169:679 170:4251 171:773 172:2399 173:2953 174:982 175:1075 176:3139 177:4302 178:2900 179:1890 180:2324 181:2629 182:3155 183:1590 184:2415 185:18287 186:4147 187:3081 188:3295 189:2917 190:8943 191:1376 192:10668 193:8151 194:6624 195:4750 196:2880 197:2184 198:6036 199:6007 200:7414 201:5289 202:10159 203:10100 204:4608 205:3354 206:3476 207:3342 208:4006 209:4670 210:3969 211:2108 212:3701 213:3385 214:1216 215:62 216:6251 217:2547 218:1058 219:460 220:2044 221:932 222:692 223:1703 End of report