Global R&E Routing Table Report 23:05 GMT Sat 10 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 850762 Prefixes after maximum aggregation (per Origin AS): 324078 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 411328 Total ASes present in the Internet Routing Table: 71445 Prefixes per ASN: 11.91 Origin-only ASes present in the Internet Routing Table: 61318 Origin ASes announcing only one prefix: 25325 Transit ASes present in the Internet Routing Table: 10127 Transit-only ASes present in the Internet Routing Table: 344 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: 1127 Number of instances of unregistered ASNs: 1136 Number of 32-bit ASNs allocated by the RIRs: 36591 Number of 32-bit ASNs visible in the Routing Table: 30347 Prefixes from 32-bit ASNs in the Routing Table: 137866 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 523 Number of addresses announced to Internet: 3040844032 Equivalent to 181 /8s, 63 /16s and 153 /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: 291253 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216838 Total APNIC prefixes after maximum aggregation: 62982 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 212496 Unique aggregates announced from the APNIC address blocks: 90372 APNIC Region origin ASes present in the Internet Routing Table: 11629 APNIC Prefixes per ASN: 18.27 APNIC Region origin ASes announcing only one prefix: 3286 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: 6859 Number of APNIC addresses announced to Internet: 774563840 Equivalent to 46 /8s, 42 /16s and 232 /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: 249384 Total ARIN prefixes after maximum aggregation: 113859 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 249115 Unique aggregates announced from the ARIN address blocks: 118932 ARIN Region origin ASes present in the Internet Routing Table: 18797 ARIN Prefixes per ASN: 13.25 ARIN Region origin ASes announcing only one prefix: 6835 ARIN Region transit ASes present in the Internet Routing Table: 1932 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: 3963 Number of ARIN addresses announced to Internet: 1271408896 Equivalent to 75 /8s, 200 /16s and 41 /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: 246729 Total RIPE prefixes after maximum aggregation: 114856 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 243079 Unique aggregates announced from the RIPE address blocks: 143483 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: 12037 RIPE Region transit ASes present in the Internet Routing Table: 4003 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: 10292 Number of RIPE addresses announced to Internet: 710909440 Equivalent to 42 /8s, 95 /16s and 158 /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: 110576 Total LACNIC prefixes after maximum aggregation: 26542 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 111724 Unique aggregates announced from the LACNIC address blocks: 47133 LACNIC Region origin ASes present in the Internet Routing Table: 10769 LACNIC Prefixes per ASN: 10.37 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2078 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: 8409 Number of LACNIC addresses announced to Internet: 176037632 Equivalent to 10 /8s, 126 /16s and 31 /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: 26096 Total AfriNIC prefixes after maximum aggregation: 5076 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 33825 Unique aggregates announced from the AfriNIC address blocks: 10945 AfriNIC Region origin ASes present in the Internet Routing Table: 1482 AfriNIC Prefixes per ASN: 22.82 AfriNIC Region origin ASes announcing only one prefix: 507 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: 824 Number of AfriNIC addresses announced to Internet: 107501312 Equivalent to 6 /8s, 104 /16s and 87 /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 5800 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4931 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 2216 11375 562 KIXS-AS-KR Korea Telecom, KR 45090 2114 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 4755 2108 437 192 TATACOMM-AS TATA Communications formerl 24560 1952 840 340 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 5234 9533 2341 AMAZON-02, US 11492 4824 318 678 CABLEONE, US 7155 4006 264 32 VIASAT-SP-BACKBONE, US 22773 3963 3013 263 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3509 1814 2446 AKAMAI-AS, US 6327 3360 1317 69 SHAW, CA 30036 2584 373 115 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2535 5036 473 CENTURYLINK-US-LEGACY-QWEST, US 5972 2253 451 789 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 7742 1046 3508 TTNET, TR 12479 6742 1721 140 UNI2-AS, ES 20940 3699 3359 187 AKAMAI-ASN1, NL 8551 3327 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2885 2283 896 ROSTELECOM-AS, RU 9009 2459 260 1315 M247, GB 34984 2215 356 594 TELLCOM-AS, TR 61317 1639 269 841 ASDETUK www.heficed.com, GB 58224 1611 888 562 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 8560 3447 584 Uninet S.A. de C.V., MX 10620 3407 525 651 Telmex Colombia S.A., CO 11830 2510 369 62 Instituto Costarricense de Electricidad 13999 1780 432 452 Mega Cable, S.A. de C.V., MX 6503 1487 359 478 Axtel, S.A.B. de C.V., MX 28573 1421 2286 233 CLARO S.A., BR 3816 1241 652 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1096 369 22 Telefonica del Peru S.A.A., PE 26615 1088 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 1306 1489 267 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 709 68 11 ORANGE-COTE-IVOIRE, CI 6713 613 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 8560 3447 584 Uninet S.A. de C.V., MX 47331 7742 1046 3508 TTNET, TR 12479 6742 1721 140 UNI2-AS, ES 7545 5800 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5234 9533 2341 AMAZON-02, US 9808 4931 8999 54 CMNET-GD Guangdong Mobile Communication 11492 4824 318 678 CABLEONE, US 7155 4006 264 32 VIASAT-SP-BACKBONE, US 22773 3963 3013 263 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3699 3359 187 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 6742 6602 UNI2-AS, ES 7545 5800 5124 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4931 4877 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7742 4234 TTNET, TR 11492 4824 4146 CABLEONE, US 7155 4006 3974 VIASAT-SP-BACKBONE, US 22773 3963 3700 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3562 3542 VIETEL-AS-AP Viettel Group, VN 20940 3699 3512 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 41.57.124.0/22 Origin: 37442 UNASSIGNED Transit: 174 COGENT-174, US 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 /16:13436 /17:8211 /18:13733 /19:24849 /20:40539 /21:49686 /22:105526 /23:90767 /24:499720 /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 6912 7742 TTNET, TR 12479 5684 6742 UNI2-AS, ES 11492 3801 4824 CABLEONE, US 6327 3167 3360 SHAW, CA 7155 3094 4006 VIASAT-SP-BACKBONE, US 8151 3073 8560 Uninet S.A. de C.V., MX 22773 2965 3963 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2791 3327 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2250 2584 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1890 2:1141 3:143 4:20 5:3570 6:79 7:5 8:1510 11:164 12:1742 13:365 14:2214 15:92 16:17 17:325 18:93 20:122 21:1 22:188 23:4824 24:2431 25:2 27:2519 29:19 31:2310 32:108 34:1 35:46 36:1440 37:3785 38:2162 39:568 40:164 41:3752 42:959 43:2054 44:263 45:15268 46:3688 47:351 49:1609 50:1812 51:101 52:1234 54:221 55:792 56:9 57:54 58:1631 59:1044 60:933 61:2181 62:2327 63:1966 64:5390 65:2363 66:5033 67:2895 68:1165 69:4071 70:1380 71:680 72:3142 74:2592 75:1491 76:697 77:2037 78:3682 79:2655 80:1866 81:1651 82:1364 83:1138 84:1253 85:3408 86:702 87:1823 88:2700 89:3016 90:505 91:7369 92:1797 93:2562 94:3117 95:4481 96:1296 97:343 98:978 99:969 100:77 101:1264 102:1543 103:26332 104:3835 105:436 106:795 107:2243 108:723 109:3861 110:1890 111:2768 112:1818 113:1284 114:1434 115:1927 116:1827 117:2209 118:2326 119:1859 120:1037 121:953 122:2478 123:2162 124:1529 125:1882 128:1249 129:1294 130:870 131:1989 132:743 133:360 134:1621 135:296 136:752 137:941 138:2413 139:1193 140:755 141:1201 142:1197 143:1320 144:1262 145:327 146:1455 147:1349 148:2195 149:1452 150:818 151:1075 152:1581 153:419 154:2882 155:1340 156:1623 157:1204 158:942 159:2020 160:2314 161:1220 162:3327 163:1008 164:1541 165:1422 166:614 167:1815 168:3642 169:698 170:4285 171:791 172:2503 173:2975 174:1004 175:1099 176:3168 177:4373 178:2926 179:1884 180:2319 181:2614 182:3164 183:1598 184:2419 185:18551 186:4089 187:3125 188:3337 189:2849 190:8779 191:1398 192:10698 193:8229 194:6713 195:4797 196:2907 197:2200 198:6011 199:5987 200:7379 201:5261 202:10171 203:10086 204:4626 205:3351 206:3530 207:3377 208:4020 209:4711 210:3941 211:2179 212:3731 213:3468 214:1178 215:55 216:6303 217:2576 218:1044 219:463 220:2032 221:901 222:678 223:1716 End of report