Global R&E Routing Table Report 23:05 GMT Sat 03 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 850202 Prefixes after maximum aggregation (per Origin AS): 323876 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 410840 Total ASes present in the Internet Routing Table: 71399 Prefixes per ASN: 11.91 Origin-only ASes present in the Internet Routing Table: 61297 Origin ASes announcing only one prefix: 25312 Transit ASes present in the Internet Routing Table: 10102 Transit-only ASes present in the Internet Routing Table: 332 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: 1113 Number of instances of unregistered ASNs: 1122 Number of 32-bit ASNs allocated by the RIRs: 36530 Number of 32-bit ASNs visible in the Routing Table: 30301 Prefixes from 32-bit ASNs in the Routing Table: 137502 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: 520 Number of addresses announced to Internet: 3039840768 Equivalent to 181 /8s, 48 /16s and 74 /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: 291210 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216612 Total APNIC prefixes after maximum aggregation: 62929 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 212333 Unique aggregates announced from the APNIC address blocks: 90305 APNIC Region origin ASes present in the Internet Routing Table: 11598 APNIC Prefixes per ASN: 18.31 APNIC Region origin ASes announcing only one prefix: 3283 APNIC Region transit ASes present in the Internet Routing Table: 1652 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: 6826 Number of APNIC addresses announced to Internet: 774112512 Equivalent to 46 /8s, 36 /16s and 5 /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: 249068 Total ARIN prefixes after maximum aggregation: 113798 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 248871 Unique aggregates announced from the ARIN address blocks: 118760 ARIN Region origin ASes present in the Internet Routing Table: 18805 ARIN Prefixes per ASN: 13.23 ARIN Region origin ASes announcing only one prefix: 6834 ARIN Region transit ASes present in the Internet Routing Table: 1938 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: 3955 Number of ARIN addresses announced to Internet: 1271536128 Equivalent to 75 /8s, 202 /16s and 26 /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: 246833 Total RIPE prefixes after maximum aggregation: 114755 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 243114 Unique aggregates announced from the RIPE address blocks: 143271 RIPE Region origin ASes present in the Internet Routing Table: 27995 RIPE Prefixes per ASN: 8.68 RIPE Region origin ASes announcing only one prefix: 12022 RIPE Region transit ASes present in the Internet Routing Table: 3988 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: 10276 Number of RIPE addresses announced to Internet: 710713344 Equivalent to 42 /8s, 92 /16s and 160 /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: 110619 Total LACNIC prefixes after maximum aggregation: 26567 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 111794 Unique aggregates announced from the LACNIC address blocks: 47176 LACNIC Region origin ASes present in the Internet Routing Table: 10769 LACNIC Prefixes per ASN: 10.38 LACNIC Region origin ASes announcing only one prefix: 2661 LACNIC Region transit ASes present in the Internet Routing Table: 2058 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8416 Number of LACNIC addresses announced to Internet: 176019456 Equivalent to 10 /8s, 125 /16s and 216 /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: 25945 Total AfriNIC prefixes after maximum aggregation: 5083 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 33570 Unique aggregates announced from the AfriNIC address blocks: 10863 AfriNIC Region origin ASes present in the Internet Routing Table: 1486 AfriNIC Prefixes per ASN: 22.59 AfriNIC Region origin ASes announcing only one prefix: 512 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: 41 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 828 Number of AfriNIC addresses announced to Internet: 107030784 Equivalent to 6 /8s, 97 /16s and 41 /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 5794 783 677 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4932 8999 55 CMNET-GD Guangdong Mobile Communication 7552 3569 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3528 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2867 1897 55 VNPT-AS-VN VNPT Corp, VN 9498 2358 483 247 BBIL-AP BHARTI Airtel Ltd., IN 4766 2218 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 1953 840 339 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 5207 9528 2326 AMAZON-02, US 11492 4795 316 671 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3967 3013 263 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3490 1804 2429 AKAMAI-AS, US 6327 3360 1317 69 SHAW, CA 30036 2582 373 130 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2538 5037 477 CENTURYLINK-US-LEGACY-QWEST, US 5972 2251 451 786 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 7804 1050 3500 TTNET, TR 12479 6728 1721 140 UNI2-AS, ES 20940 3653 3359 189 AKAMAI-ASN1, NL 8551 3336 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2884 2283 895 ROSTELECOM-AS, RU 9009 2453 259 1309 M247, GB 34984 2218 357 595 TELLCOM-AS, TR 61317 1616 256 820 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 8536 3443 593 Uninet S.A. de C.V., MX 10620 3407 525 651 Telmex Colombia S.A., CO 11830 2509 369 62 Instituto Costarricense de Electricidad 13999 1773 433 462 Mega Cable, S.A. de C.V., MX 6503 1425 359 485 Axtel, S.A.B. de C.V., MX 28573 1421 2285 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 1071 2351 134 TIM SA, BR 11664 991 199 444 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 1651 393 22 LINKdotNET-AS, EG 24835 1419 498 30 RAYA-AS, EG 36992 1303 1489 266 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 710 68 11 ORANGE-COTE-IVOIRE, CI 6713 613 1863 34 IAM-AS, MA 36935 529 522 40 Vodafone-, EG 15399 494 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 8536 3443 593 Uninet S.A. de C.V., MX 47331 7804 1050 3500 TTNET, TR 12479 6728 1721 140 UNI2-AS, ES 7545 5794 783 677 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5207 9528 2326 AMAZON-02, US 9808 4932 8999 55 CMNET-GD Guangdong Mobile Communication 11492 4795 316 671 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3967 3013 263 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3653 3359 189 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 6728 6588 UNI2-AS, ES 7545 5794 5117 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4932 4877 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7804 4304 TTNET, TR 11492 4795 4124 CABLEONE, US 7155 4027 3995 VIASAT-SP-BACKBONE, US 22773 3967 3704 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3569 3549 VIETEL-AS-AP Viettel Group, VN 7713 3528 3472 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 20940 3653 3464 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 /12:306 /13:587 /14:1188 /15:2029 /16:13434 /17:8215 /18:13734 /19:24848 /20:40564 /21:49669 /22:105482 /23:90677 /24:499285 /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 6974 7804 TTNET, TR 12479 5686 6728 UNI2-AS, ES 11492 3806 4795 CABLEONE, US 6327 3167 3360 SHAW, CA 7155 3115 4027 VIASAT-SP-BACKBONE, US 8151 3057 8536 Uninet S.A. de C.V., MX 22773 2969 3967 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2800 3336 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2248 2582 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1891 2:1145 3:142 4:20 5:3564 6:79 7:5 8:1511 11:164 12:1738 13:365 14:2208 15:89 16:17 17:324 18:93 20:122 21:1 22:188 23:4806 24:2436 25:2 27:2518 29:19 31:2298 32:107 34:1 35:46 36:1440 37:3749 38:2162 39:589 40:164 41:3736 42:958 43:2054 44:263 45:15159 46:3695 47:351 49:1606 50:1804 51:101 52:1239 54:219 55:786 56:9 57:54 58:1626 59:1045 60:930 61:2186 62:2324 63:1967 64:5379 65:2367 66:5056 67:2897 68:1173 69:4077 70:1383 71:680 72:3125 74:2592 75:1490 76:698 77:2039 78:3702 79:2659 80:1852 81:1647 82:1366 83:1145 84:1252 85:3433 86:701 87:1828 88:2695 89:3021 90:494 91:7371 92:1787 93:2560 94:3113 95:4481 96:1291 97:343 98:975 99:968 100:77 101:1266 102:1533 103:26260 104:3817 105:441 106:783 107:2241 108:724 109:3863 110:1888 111:2769 112:1814 113:1289 114:1436 115:1946 116:1818 117:2221 118:2325 119:1844 120:1037 121:959 122:2481 123:2156 124:1533 125:1885 128:1253 129:1288 130:868 131:2038 132:743 133:360 134:1617 135:297 136:751 137:940 138:2407 139:1213 140:757 141:1185 142:1194 143:1320 144:1257 145:327 146:1455 147:1349 148:2204 149:1444 150:816 151:1077 152:1545 153:418 154:2797 155:1330 156:1599 157:1197 158:924 159:2019 160:2314 161:1183 162:3311 163:1005 164:1533 165:1395 166:610 167:1809 168:3650 169:693 170:4334 171:788 172:2479 173:2970 174:990 175:1091 176:3163 177:4382 178:2919 179:1878 180:2321 181:2623 182:3159 183:1598 184:2416 185:18458 186:4070 187:3076 188:3339 189:2870 190:8948 191:1418 192:10701 193:8232 194:6710 195:4803 196:2913 197:2186 198:6001 199:5996 200:7401 201:5224 202:10157 203:10111 204:4621 205:3352 206:3521 207:3380 208:4018 209:4697 210:3984 211:2185 212:3724 213:3469 214:1177 215:58 216:6291 217:2573 218:1054 219:463 220:2040 221:901 222:679 223:1720 End of report