Global R&E Routing Table Report 23:05 GMT Mon 12 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 850369 Prefixes after maximum aggregation (per Origin AS): 324140 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 411425 Total ASes present in the Internet Routing Table: 71465 Prefixes per ASN: 11.90 Origin-only ASes present in the Internet Routing Table: 61345 Origin ASes announcing only one prefix: 25343 Transit ASes present in the Internet Routing Table: 10120 Transit-only ASes present in the Internet Routing Table: 348 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: 1122 Number of instances of unregistered ASNs: 1131 Number of 32-bit ASNs allocated by the RIRs: 36597 Number of 32-bit ASNs visible in the Routing Table: 30374 Prefixes from 32-bit ASNs in the Routing Table: 137888 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: 518 Number of addresses announced to Internet: 3040828672 Equivalent to 181 /8s, 63 /16s and 93 /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: 290882 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216902 Total APNIC prefixes after maximum aggregation: 63006 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 212555 Unique aggregates announced from the APNIC address blocks: 90415 APNIC Region origin ASes present in the Internet Routing Table: 11642 APNIC Prefixes per ASN: 18.26 APNIC Region origin ASes announcing only one prefix: 3299 APNIC Region transit ASes present in the Internet Routing Table: 1653 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: 6874 Number of APNIC addresses announced to Internet: 774590464 Equivalent to 46 /8s, 43 /16s and 80 /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: 249507 Total ARIN prefixes after maximum aggregation: 113916 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 249226 Unique aggregates announced from the ARIN address blocks: 119041 ARIN Region origin ASes present in the Internet Routing Table: 18799 ARIN Prefixes per ASN: 13.26 ARIN Region origin ASes announcing only one prefix: 6835 ARIN Region transit ASes present in the Internet Routing Table: 1936 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: 3970 Number of ARIN addresses announced to Internet: 1271499520 Equivalent to 75 /8s, 201 /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: 246639 Total RIPE prefixes after maximum aggregation: 114826 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 243034 Unique aggregates announced from the RIPE address blocks: 143430 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: 12033 RIPE Region transit ASes present in the Internet Routing Table: 3994 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: 10289 Number of RIPE addresses announced to Internet: 710785536 Equivalent to 42 /8s, 93 /16s and 186 /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: 110582 Total LACNIC prefixes after maximum aggregation: 26542 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 111727 Unique aggregates announced from the LACNIC address blocks: 47122 LACNIC Region origin ASes present in the Internet Routing Table: 10773 LACNIC Prefixes per ASN: 10.37 LACNIC Region origin ASes announcing only one prefix: 2662 LACNIC Region transit ASes present in the Internet Routing Table: 2077 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: 176040960 Equivalent to 10 /8s, 126 /16s and 44 /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: 25605 Total AfriNIC prefixes after maximum aggregation: 5089 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 33309 Unique aggregates announced from the AfriNIC address blocks: 10959 AfriNIC Region origin ASes present in the Internet Routing Table: 1488 AfriNIC Prefixes per ASN: 22.39 AfriNIC Region origin ASes announcing only one prefix: 514 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: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 829 Number of AfriNIC addresses announced to Internet: 107491584 Equivalent to 6 /8s, 104 /16s and 49 /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 5803 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 2876 1897 55 VNPT-AS-VN VNPT Corp, VN 9498 2358 483 247 BBIL-AP BHARTI Airtel Ltd., IN 4766 2220 11375 566 KIXS-AS-KR Korea Telecom, KR 4755 2115 437 192 TATACOMM-AS TATA Communications formerl 45090 2114 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 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 5251 9537 2359 AMAZON-02, US 11492 4824 318 678 CABLEONE, US 7155 4006 264 32 VIASAT-SP-BACKBONE, US 22773 3964 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 2543 5037 474 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 7722 1044 3511 TTNET, TR 12479 6766 1721 140 UNI2-AS, ES 20940 3703 3359 188 AKAMAI-ASN1, NL 8551 3323 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2885 2283 896 ROSTELECOM-AS, RU 9009 2458 260 1314 M247, GB 34984 2215 356 594 TELLCOM-AS, TR 61317 1640 269 840 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 8563 3447 582 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 1780 432 452 Mega Cable, S.A. de C.V., MX 6503 1487 359 478 Axtel, S.A.B. de C.V., MX 28573 1423 2288 235 CLARO S.A., BR 3816 1241 652 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1097 369 22 Telefonica del Peru S.A.A., PE 26615 1088 2351 134 TIM SA, BR 11664 990 199 443 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 24835 1456 498 30 RAYA-AS, EG 24863 1422 393 22 LINKdotNET-AS, EG 36992 1302 1489 267 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 709 68 11 ORANGE-COTE-IVOIRE, CI 6713 612 1863 34 IAM-AS, MA 36935 529 522 40 Vodafone-, EG 15399 496 49 26 WANANCHI-, KE 23889 438 232 16 MauritiusTelecom, MU 2018 328 319 74 TENET-1, ZA 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 8563 3447 582 Uninet S.A. de C.V., MX 47331 7722 1044 3511 TTNET, TR 12479 6766 1721 140 UNI2-AS, ES 7545 5803 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5251 9537 2359 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 3964 3013 263 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3703 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 6766 6626 UNI2-AS, ES 7545 5803 5127 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4931 4877 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7722 4211 TTNET, TR 11492 4824 4146 CABLEONE, US 7155 4006 3974 VIASAT-SP-BACKBONE, US 22773 3964 3701 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3562 3542 VIETEL-AS-AP Viettel Group, VN 20940 3703 3515 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 /16:13438 /17:8210 /18:13729 /19:24845 /20:40544 /21:49698 /22:105432 /23:90794 /24:499384 /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 6892 7722 TTNET, TR 12479 5707 6766 UNI2-AS, ES 11492 3801 4824 CABLEONE, US 6327 3167 3360 SHAW, CA 7155 3094 4006 VIASAT-SP-BACKBONE, US 8151 3078 8563 Uninet S.A. de C.V., MX 22773 2966 3964 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2787 3323 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) ---------------------------------------------- 1:1891 2:1149 3:144 4:20 5:3571 6:79 7:5 8:1511 11:164 12:1743 13:366 14:2215 15:92 16:17 17:325 18:97 20:122 21:1 22:188 23:4822 24:2428 25:2 27:2521 29:19 31:2315 32:108 34:1 35:46 36:1438 37:3778 38:2164 39:568 40:166 41:3687 42:960 43:2057 44:268 45:15258 46:3686 47:351 49:1610 50:1814 51:101 52:1237 54:219 55:792 56:9 57:54 58:1631 59:1046 60:931 61:2185 62:2309 63:1966 64:5386 65:2362 66:5037 67:2890 68:1164 69:4085 70:1380 71:680 72:3137 74:2595 75:1491 76:697 77:2039 78:3670 79:2653 80:1869 81:1648 82:1360 83:1131 84:1254 85:3406 86:700 87:1821 88:2701 89:3016 90:507 91:7371 92:1801 93:2562 94:3120 95:4486 96:1296 97:343 98:977 99:969 100:77 101:1267 102:1540 103:26324 104:3841 105:435 106:788 107:2243 108:724 109:3853 110:1897 111:2769 112:1819 113:1286 114:1434 115:1919 116:1827 117:2204 118:2330 119:1861 120:1036 121:957 122:2480 123:2157 124:1530 125:1883 128:1252 129:1291 130:869 131:1995 132:741 133:360 134:1620 135:296 136:759 137:943 138:2426 139:1195 140:757 141:1200 142:1196 143:1323 144:1259 145:327 146:1455 147:1348 148:2199 149:1450 150:818 151:1077 152:1582 153:419 154:2897 155:1339 156:1626 157:1206 158:939 159:2021 160:2314 161:1223 162:3332 163:1007 164:1542 165:1424 166:613 167:1815 168:3613 169:695 170:4293 171:791 172:2506 173:2979 174:1008 175:1097 176:3167 177:4368 178:2925 179:1878 180:2317 181:2615 182:3163 183:1598 184:2418 185:18550 186:4086 187:3131 188:3335 189:2859 190:8776 191:1397 192:10710 193:8242 194:6711 195:4800 196:2903 197:1913 198:6015 199:5992 200:7380 201:5262 202:10172 203:10065 204:4621 205:3342 206:3530 207:3378 208:4023 209:4717 210:3949 211:2187 212:3730 213:3451 214:1179 215:56 216:6285 217:2575 218:1049 219:463 220:2033 221:901 222:678 223:1720 End of report