Global R&E Routing Table Report 23:05 GMT Thu 08 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 850772 Prefixes after maximum aggregation (per Origin AS): 324149 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 411286 Total ASes present in the Internet Routing Table: 71438 Prefixes per ASN: 11.91 Origin-only ASes present in the Internet Routing Table: 61325 Origin ASes announcing only one prefix: 25336 Transit ASes present in the Internet Routing Table: 10113 Transit-only ASes present in the Internet Routing Table: 336 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: 1129 Number of instances of unregistered ASNs: 1138 Number of 32-bit ASNs allocated by the RIRs: 36559 Number of 32-bit ASNs visible in the Routing Table: 30341 Prefixes from 32-bit ASNs in the Routing Table: 137632 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 542 Number of addresses announced to Internet: 3040648192 Equivalent to 181 /8s, 60 /16s and 156 /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: 291306 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216767 Total APNIC prefixes after maximum aggregation: 62966 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 212476 Unique aggregates announced from the APNIC address blocks: 90386 APNIC Region origin ASes present in the Internet Routing Table: 11618 APNIC Prefixes per ASN: 18.29 APNIC Region origin ASes announcing only one prefix: 3292 APNIC Region transit ASes present in the Internet Routing Table: 1648 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: 6844 Number of APNIC addresses announced to Internet: 774503424 Equivalent to 46 /8s, 41 /16s and 252 /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: 249443 Total ARIN prefixes after maximum aggregation: 113911 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 249166 Unique aggregates announced from the ARIN address blocks: 118913 ARIN Region origin ASes present in the Internet Routing Table: 18804 ARIN Prefixes per ASN: 13.25 ARIN Region origin ASes announcing only one prefix: 6839 ARIN Region transit ASes present in the Internet Routing Table: 1934 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: 3962 Number of ARIN addresses announced to Internet: 1271481088 Equivalent to 75 /8s, 201 /16s and 67 /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: 246808 Total RIPE prefixes after maximum aggregation: 114852 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 243144 Unique aggregates announced from the RIPE address blocks: 143484 RIPE Region origin ASes present in the Internet Routing Table: 28002 RIPE Prefixes per ASN: 8.68 RIPE Region origin ASes announcing only one prefix: 12031 RIPE Region transit ASes present in the Internet Routing Table: 3999 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: 10296 Number of RIPE addresses announced to Internet: 710726144 Equivalent to 42 /8s, 92 /16s and 210 /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: 110521 Total LACNIC prefixes after maximum aggregation: 26566 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 111686 Unique aggregates announced from the LACNIC address blocks: 47111 LACNIC Region origin ASes present in the Internet Routing Table: 10770 LACNIC Prefixes per ASN: 10.37 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2072 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: 8412 Number of LACNIC addresses announced to Internet: 176039936 Equivalent to 10 /8s, 126 /16s and 40 /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: 26092 Total AfriNIC prefixes after maximum aggregation: 5083 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 33758 Unique aggregates announced from the AfriNIC address blocks: 10911 AfriNIC Region origin ASes present in the Internet Routing Table: 1485 AfriNIC Prefixes per ASN: 22.73 AfriNIC Region origin ASes announcing only one prefix: 509 AfriNIC Region transit ASes present in the Internet Routing Table: 290 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: 827 Number of AfriNIC addresses announced to Internet: 107465472 Equivalent to 6 /8s, 103 /16s and 203 /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 5799 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4929 8999 54 CMNET-GD Guangdong Mobile Communication 7552 3562 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3526 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2877 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 1950 841 342 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 5213 9528 2332 AMAZON-02, US 11492 4823 318 678 CABLEONE, US 7155 4006 264 32 VIASAT-SP-BACKBONE, US 22773 3961 3013 263 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3505 1811 2442 AKAMAI-AS, US 6327 3360 1317 69 SHAW, CA 30036 2583 373 122 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2535 5036 473 CENTURYLINK-US-LEGACY-QWEST, US 5972 2253 451 788 DNIC-ASBLK-05800-06055, US 20115 2169 2946 493 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 7771 1048 3503 TTNET, TR 12479 6740 1721 140 UNI2-AS, ES 20940 3688 3359 186 AKAMAI-ASN1, NL 8551 3330 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2885 2283 896 ROSTELECOM-AS, RU 9009 2457 260 1313 M247, GB 34984 2215 356 594 TELLCOM-AS, TR 61317 1621 257 827 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 8557 3447 584 Uninet S.A. de C.V., MX 10620 3407 525 651 Telmex Colombia S.A., CO 11830 2508 369 62 Instituto Costarricense de Electricidad 13999 1777 432 453 Mega Cable, S.A. de C.V., MX 6503 1481 359 478 Axtel, S.A.B. de C.V., MX 28573 1420 2286 233 CLARO S.A., BR 3816 1241 652 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1106 374 31 Telefonica del Peru S.A.A., PE 26615 1075 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 1649 393 22 LINKdotNET-AS, EG 24835 1456 498 30 RAYA-AS, EG 36992 1307 1489 267 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 709 68 11 ORANGE-COTE-IVOIRE, CI 6713 608 1863 34 IAM-AS, MA 36935 529 522 40 Vodafone-, EG 15399 496 49 26 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 8557 3447 584 Uninet S.A. de C.V., MX 47331 7771 1048 3503 TTNET, TR 12479 6740 1721 140 UNI2-AS, ES 7545 5799 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5213 9528 2332 AMAZON-02, US 9808 4929 8999 54 CMNET-GD Guangdong Mobile Communication 11492 4823 318 678 CABLEONE, US 7155 4006 264 32 VIASAT-SP-BACKBONE, US 22773 3961 3013 263 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3688 3359 186 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 6740 6600 UNI2-AS, ES 7545 5799 5123 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4929 4875 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7771 4268 TTNET, TR 11492 4823 4145 CABLEONE, US 7155 4006 3974 VIASAT-SP-BACKBONE, US 22773 3961 3698 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3562 3542 VIETEL-AS-AP Viettel Group, VN 20940 3688 3502 AKAMAI-ASN1, NL 7713 3526 3470 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 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 23.162.32.0/24 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 41.57.124.0/24 Origin: 37442 UNASSIGNED Transit: 37204 TELONE, ZW 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 /14:1189 /15:2029 /16:13432 /17:8208 /18:13728 /19:24857 /20:40560 /21:49721 /22:105608 /23:90678 /24:499685 /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 6941 7771 TTNET, TR 12479 5682 6740 UNI2-AS, ES 11492 3801 4823 CABLEONE, US 6327 3167 3360 SHAW, CA 7155 3094 4006 VIASAT-SP-BACKBONE, US 8151 3071 8557 Uninet S.A. de C.V., MX 22773 2963 3961 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2794 3330 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2249 2583 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1868 2:1143 3:143 4:20 5:3562 6:79 7:5 8:1512 11:164 12:1740 13:362 14:2210 15:89 16:17 17:323 18:93 20:122 21:1 22:188 23:4820 24:2429 25:2 27:2517 29:19 31:2305 32:108 34:1 35:46 36:1441 37:3781 38:2153 39:569 40:164 41:3750 42:949 43:2059 44:263 45:15231 46:3688 47:351 49:1604 50:1809 51:101 52:1237 54:220 55:780 56:9 57:54 58:1626 59:1047 60:933 61:2187 62:2323 63:1966 64:5383 65:2360 66:5057 67:2896 68:1173 69:4067 70:1381 71:680 72:3135 74:2591 75:1491 76:698 77:2036 78:3693 79:2656 80:1854 81:1644 82:1333 83:1139 84:1252 85:3422 86:698 87:1823 88:2700 89:3023 90:504 91:7374 92:1800 93:2561 94:3122 95:4485 96:1296 97:343 98:977 99:969 100:77 101:1265 102:1536 103:26275 104:3832 105:436 106:794 107:2248 108:723 109:3864 110:1892 111:2770 112:1817 113:1285 114:1434 115:1941 116:1828 117:2217 118:2316 119:1859 120:1036 121:957 122:2480 123:2157 124:1529 125:1882 128:1253 129:1296 130:868 131:2030 132:739 133:360 134:1621 135:297 136:775 137:943 138:2409 139:1214 140:757 141:1204 142:1196 143:1324 144:1260 145:327 146:1455 147:1343 148:2198 149:1452 150:816 151:1076 152:1580 153:419 154:2841 155:1340 156:1610 157:1202 158:941 159:2020 160:2311 161:1215 162:3326 163:1009 164:1545 165:1425 166:614 167:1815 168:3650 169:697 170:4291 171:791 172:2497 173:2973 174:1004 175:1103 176:3164 177:4403 178:2929 179:1903 180:2323 181:2612 182:3162 183:1597 184:2421 185:18524 186:4080 187:3124 188:3341 189:2875 190:8812 191:1404 192:10712 193:8239 194:6708 195:4799 196:2907 197:2197 198:6011 199:6002 200:7379 201:5235 202:10170 203:10105 204:4626 205:3349 206:3500 207:3381 208:4021 209:4707 210:3951 211:2186 212:3728 213:3469 214:1178 215:58 216:6304 217:2565 218:1047 219:463 220:2034 221:901 222:678 223:1720 End of report