Global R&E Routing Table Report 23:15 GMT Sun 09 May, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 845646 Prefixes after maximum aggregation (per Origin AS): 321906 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 406994 Total ASes present in the Internet Routing Table: 71065 Prefixes per ASN: 11.90 Origin-only ASes present in the Internet Routing Table: 61012 Origin ASes announcing only one prefix: 25182 Transit ASes present in the Internet Routing Table: 10053 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: 58 Max AS path prepend of ASN (203986) 55 Prefixes from unregistered ASNs in the Routing Table: 1095 Number of instances of unregistered ASNs: 1110 Number of 32-bit ASNs allocated by the RIRs: 35986 Number of 32-bit ASNs visible in the Routing Table: 29863 Prefixes from 32-bit ASNs in the Routing Table: 135043 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: 571 Number of addresses announced to Internet: 3030739456 Equivalent to 180 /8s, 165 /16s and 106 /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: 289800 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 215436 Total APNIC prefixes after maximum aggregation: 62958 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 211665 Unique aggregates announced from the APNIC address blocks: 89407 APNIC Region origin ASes present in the Internet Routing Table: 11452 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: 6671 Number of APNIC addresses announced to Internet: 773204992 Equivalent to 46 /8s, 22 /16s and 44 /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: 246318 Total ARIN prefixes after maximum aggregation: 112804 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 246693 Unique aggregates announced from the ARIN address blocks: 117973 ARIN Region origin ASes present in the Internet Routing Table: 18754 ARIN Prefixes per ASN: 13.15 ARIN Region origin ASes announcing only one prefix: 6790 ARIN Region transit ASes present in the Internet Routing Table: 1931 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: 3848 Number of ARIN addresses announced to Internet: 1263611904 Equivalent to 75 /8s, 81 /16s and 48 /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: 244800 Total RIPE prefixes after maximum aggregation: 114059 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240740 Unique aggregates announced from the RIPE address blocks: 141658 RIPE Region origin ASes present in the Internet Routing Table: 27892 RIPE Prefixes per ASN: 8.63 RIPE Region origin ASes announcing only one prefix: 11953 RIPE Region transit ASes present in the Internet Routing Table: 3987 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: 10161 Number of RIPE addresses announced to Internet: 710232064 Equivalent to 42 /8s, 85 /16s and 72 /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: 112219 Total LACNIC prefixes after maximum aggregation: 26399 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 113351 Unique aggregates announced from the LACNIC address blocks: 46953 LACNIC Region origin ASes present in the Internet Routing Table: 10747 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2030 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: 8379 Number of LACNIC addresses announced to Internet: 176254464 Equivalent to 10 /8s, 129 /16s and 110 /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: 25765 Total AfriNIC prefixes after maximum aggregation: 4916 AfriNIC Deaggregation factor: 5.24 Prefixes being announced from the AfriNIC address blocks: 32626 Unique aggregates announced from the AfriNIC address blocks: 10491 AfriNIC Region origin ASes present in the Internet Routing Table: 1453 AfriNIC Prefixes per ASN: 22.45 AfriNIC Region origin ASes announcing only one prefix: 489 AfriNIC Region transit ASes present in the Internet Routing Table: 296 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: 804 Number of AfriNIC addresses announced to Internet: 106992896 Equivalent to 6 /8s, 96 /16s and 149 /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 5760 782 670 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5181 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3519 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3498 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2886 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2337 481 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2207 11359 559 KIXS-AS-KR Korea Telecom, KR 4755 2127 441 192 TATACOMM-AS TATA Communications formerl 45090 2097 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1949 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 5100 9372 2251 AMAZON-02, US 11492 4765 316 620 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3931 2998 246 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3444 1770 2422 AKAMAI-AS, US 6327 3358 1317 68 SHAW, CA 30036 2560 372 147 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2539 5039 487 CENTURYLINK-US-LEGACY-QWEST, US 5972 2231 451 777 DNIC-ASBLK-05800-06055, US 5650 2230 2985 1557 FRONTIER-FRTR, 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 7776 1043 3502 TTNET, TR 12479 6577 1725 146 UNI2-AS, ES 20940 3601 3359 190 AKAMAI-ASN1, NL 8551 3441 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2876 2281 889 ROSTELECOM-AS, RU 9009 2426 248 1301 M247, GB 34984 2218 357 588 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1592 886 579 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 8561 3476 581 Uninet S.A. de C.V., MX 10620 3421 526 613 Telmex Colombia S.A., CO 11830 2493 369 62 Instituto Costarricense de Electricidad 7303 1691 2058 69 Telecom Argentina S.A., AR 13999 1691 432 434 Mega Cable, S.A. de C.V., MX 6503 1445 311 477 Axtel, S.A.B. de C.V., MX 28573 1382 2280 224 CLARO S.A., BR 3816 1233 648 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1129 377 38 Telefonica del Peru S.A.A., PE 11664 1003 210 401 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 1591 393 22 LINKdotNET-AS, EG 24835 1445 494 28 RAYA-AS, EG 36992 1195 1473 176 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 731 68 11 ORANGE-COTE-IVOIRE, CI 6713 592 1863 34 IAM-AS, MA 36935 519 522 40 Vodafone-, EG 37342 487 32 1 MOVITEL, MZ 15399 474 48 22 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 8561 3476 581 Uninet S.A. de C.V., MX 47331 7776 1043 3502 TTNET, TR 12479 6577 1725 146 UNI2-AS, ES 7545 5760 782 670 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5181 8995 52 CMNET-GD Guangdong Mobile Communication 16509 5100 9372 2251 AMAZON-02, US 11492 4765 316 620 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3931 2998 246 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3601 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 6577 6431 UNI2-AS, ES 9808 5181 5129 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5760 5090 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7776 4274 TTNET, TR 11492 4765 4145 CABLEONE, US 7155 4027 3995 VIASAT-SP-BACKBONE, US 22773 3931 3685 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3498 3478 VIETEL-AS-AP Viettel Group, VN 7713 3519 3463 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 20940 3601 3411 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 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 /13:585 /14:1187 /15:2034 /16:13473 /17:8224 /18:13660 /19:25252 /20:40685 /21:50150 /22:104998 /23:90217 /24:494701 /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 6957 7776 TTNET, TR 12479 5529 6577 UNI2-AS, ES 11492 3810 4765 CABLEONE, US 6327 3167 3358 SHAW, CA 8151 3121 8561 Uninet S.A. de C.V., MX 7155 3115 4027 VIASAT-SP-BACKBONE, US 22773 2968 3931 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2905 3441 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2231 2560 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1888 2:1193 3:122 4:19 5:3538 6:65 7:5 8:1496 11:164 12:1753 13:361 14:2210 15:74 16:15 17:322 18:93 20:122 21:1 22:188 23:4706 24:2404 25:2 27:2525 29:19 31:2321 32:105 34:2 35:39 36:1246 37:3769 38:2082 39:578 40:159 41:3734 42:927 43:2106 44:251 45:14945 46:3694 47:320 49:1600 50:1778 51:100 52:1250 54:222 55:771 56:8 57:58 58:1591 59:1071 60:904 61:2238 62:2244 63:1955 64:5327 65:2379 66:5090 67:2897 68:1154 69:4081 70:1386 71:687 72:3161 74:2588 75:1488 76:687 77:2020 78:3703 79:2584 80:1864 81:1633 82:1366 83:1122 84:1268 85:3417 86:710 87:1807 88:2699 89:2987 90:453 91:7320 92:1753 93:2518 94:3109 95:4433 96:1274 97:347 98:993 99:971 100:76 101:1199 102:1434 103:25972 104:3743 105:435 106:721 107:2265 108:716 109:4019 110:1898 111:2726 112:1866 113:1304 114:1449 115:1940 116:1807 117:2217 118:2265 119:1827 120:1087 121:987 122:2238 123:2203 124:1527 125:1896 128:1176 129:1225 130:840 131:2033 132:744 133:360 134:1595 135:289 136:733 137:926 138:2318 139:1171 140:725 141:1192 142:1156 143:1282 144:1261 145:329 146:1397 147:1299 148:2212 149:1400 150:807 151:1070 152:1540 153:396 154:2426 155:1330 156:1489 157:1176 158:911 159:2043 160:2133 161:1155 162:3272 163:990 164:1529 165:1398 166:585 167:1805 168:3564 169:679 170:4265 171:768 172:2176 173:2945 174:994 175:1075 176:3134 177:4327 178:2891 179:1923 180:2317 181:2619 182:3164 183:1635 184:2423 185:18239 186:4181 187:3166 188:3278 189:2851 190:8918 191:1405 192:10675 193:8067 194:6587 195:4727 196:2893 197:2190 198:6021 199:6017 200:7410 201:5344 202:10186 203:10115 204:4614 205:3341 206:3467 207:3340 208:4024 209:4678 210:3987 211:2071 212:3670 213:3337 214:1199 215:60 216:6185 217:2508 218:1034 219:474 220:2052 221:932 222:690 223:1705 End of report