Global R&E Routing Table Report 23:05 GMT Wed 07 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 850558 Prefixes after maximum aggregation (per Origin AS): 324010 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 411247 Total ASes present in the Internet Routing Table: 71434 Prefixes per ASN: 11.91 Origin-only ASes present in the Internet Routing Table: 61323 Origin ASes announcing only one prefix: 25330 Transit ASes present in the Internet Routing Table: 10111 Transit-only ASes present in the Internet Routing Table: 334 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: 1152 Number of instances of unregistered ASNs: 1161 Number of 32-bit ASNs allocated by the RIRs: 36547 Number of 32-bit ASNs visible in the Routing Table: 30331 Prefixes from 32-bit ASNs in the Routing Table: 137601 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: 539 Number of addresses announced to Internet: 3040641280 Equivalent to 181 /8s, 60 /16s and 129 /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: 291316 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216845 Total APNIC prefixes after maximum aggregation: 62948 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 212516 Unique aggregates announced from the APNIC address blocks: 90352 APNIC Region origin ASes present in the Internet Routing Table: 11613 APNIC Prefixes per ASN: 18.30 APNIC Region origin ASes announcing only one prefix: 3297 APNIC Region transit ASes present in the Internet Routing Table: 1650 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: 6838 Number of APNIC addresses announced to Internet: 774439424 Equivalent to 46 /8s, 41 /16s and 2 /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: 249316 Total ARIN prefixes after maximum aggregation: 113836 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 249086 Unique aggregates announced from the ARIN address blocks: 118881 ARIN Region origin ASes present in the Internet Routing Table: 18801 ARIN Prefixes per ASN: 13.25 ARIN Region origin ASes announcing only one prefix: 6832 ARIN Region transit ASes present in the Internet Routing Table: 1935 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: 3961 Number of ARIN addresses announced to Internet: 1271424256 Equivalent to 75 /8s, 200 /16s and 101 /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: 246852 Total RIPE prefixes after maximum aggregation: 114812 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 243173 Unique aggregates announced from the RIPE address blocks: 143426 RIPE Region origin ASes present in the Internet Routing Table: 28001 RIPE Prefixes per ASN: 8.68 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 3991 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: 10288 Number of RIPE addresses announced to Internet: 710797056 Equivalent to 42 /8s, 93 /16s and 231 /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: 110507 Total LACNIC prefixes after maximum aggregation: 26561 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 111692 Unique aggregates announced from the LACNIC address blocks: 47199 LACNIC Region origin ASes present in the Internet Routing Table: 10771 LACNIC Prefixes per ASN: 10.37 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2070 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: 8415 Number of LACNIC addresses announced to Internet: 176061696 Equivalent to 10 /8s, 126 /16s and 125 /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: 25874 Total AfriNIC prefixes after maximum aggregation: 5079 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 33552 Unique aggregates announced from the AfriNIC address blocks: 10911 AfriNIC Region origin ASes present in the Internet Routing Table: 1489 AfriNIC Prefixes per ASN: 22.53 AfriNIC Region origin ASes announcing only one prefix: 510 AfriNIC Region transit ASes present in the Internet Routing Table: 293 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: 829 Number of AfriNIC addresses announced to Internet: 107484160 Equivalent to 6 /8s, 104 /16s and 20 /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 5795 778 681 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4934 8999 55 CMNET-GD Guangdong Mobile Communication 7552 3560 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3526 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2878 1897 55 VNPT-AS-VN VNPT Corp, VN 9498 2358 483 247 BBIL-AP BHARTI Airtel Ltd., IN 4766 2217 11375 562 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 1949 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 9527 2334 AMAZON-02, US 11492 4811 317 675 CABLEONE, US 7155 3978 264 32 VIASAT-SP-BACKBONE, US 22773 3963 3013 263 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3505 1811 2442 AKAMAI-AS, US 6327 3360 1317 69 SHAW, CA 30036 2582 373 130 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2537 5037 475 CENTURYLINK-US-LEGACY-QWEST, US 5972 2251 451 786 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 7783 1048 3503 TTNET, TR 12479 6764 1721 142 UNI2-AS, ES 20940 3687 3359 188 AKAMAI-ASN1, NL 8551 3329 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2884 2283 896 ROSTELECOM-AS, RU 9009 2452 259 1309 M247, GB 34984 2216 357 595 TELLCOM-AS, TR 61317 1620 259 826 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 8553 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 1778 433 457 Mega Cable, S.A. de C.V., MX 6503 1482 359 479 Axtel, S.A.B. de C.V., MX 28573 1419 2284 237 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 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 1649 393 22 LINKdotNET-AS, EG 36992 1306 1489 267 ETISALAT-MISR, EG 24835 1275 498 30 RAYA-AS, EG 36903 1183 537 110 MT-MPLS, MA 29571 710 68 11 ORANGE-COTE-IVOIRE, CI 6713 612 1863 34 IAM-AS, MA 36935 526 522 40 Vodafone-, EG 15399 495 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 8553 3447 584 Uninet S.A. de C.V., MX 47331 7783 1048 3503 TTNET, TR 12479 6764 1721 142 UNI2-AS, ES 7545 5795 778 681 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5207 9527 2334 AMAZON-02, US 9808 4934 8999 55 CMNET-GD Guangdong Mobile Communication 11492 4811 317 675 CABLEONE, US 7155 3978 264 32 VIASAT-SP-BACKBONE, US 22773 3963 3013 263 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3687 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 6764 6622 UNI2-AS, ES 7545 5795 5114 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4934 4879 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7783 4280 TTNET, TR 11492 4811 4136 CABLEONE, US 7155 3978 3946 VIASAT-SP-BACKBONE, US 22773 3963 3700 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3560 3540 VIETEL-AS-AP Viettel Group, VN 20940 3687 3499 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 /16:13434 /17:8213 /18:13735 /19:24835 /20:40520 /21:49694 /22:105434 /23:90699 /24:499699 /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 6953 7783 TTNET, TR 12479 5706 6764 UNI2-AS, ES 11492 3806 4811 CABLEONE, US 6327 3167 3360 SHAW, CA 8151 3067 8553 Uninet S.A. de C.V., MX 7155 3066 3978 VIASAT-SP-BACKBONE, US 22773 2965 3963 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2793 3329 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) ---------------------------------------------- 1:1892 2:1151 3:143 4:20 5:3570 6:79 7:5 8:1505 11:164 12:1740 13:365 14:2211 15:89 16:17 17:323 18:93 20:122 21:1 22:188 23:4815 24:2432 25:2 27:2517 29:19 31:2299 32:108 34:1 35:46 36:1442 37:3769 38:2166 39:569 40:164 41:3746 42:958 43:2057 44:263 45:15217 46:3687 47:351 49:1604 50:1807 51:101 52:1239 54:219 55:793 56:9 57:54 58:1634 59:1044 60:931 61:2186 62:2319 63:1965 64:5390 65:2358 66:5062 67:2896 68:1173 69:4078 70:1382 71:680 72:3139 74:2591 75:1491 76:698 77:2037 78:3696 79:2652 80:1860 81:1648 82:1320 83:1146 84:1253 85:3435 86:700 87:1821 88:2701 89:3022 90:508 91:7375 92:1801 93:2561 94:3123 95:4490 96:1296 97:343 98:976 99:967 100:77 101:1264 102:1542 103:26276 104:3838 105:432 106:794 107:2244 108:722 109:3863 110:1892 111:2770 112:1815 113:1286 114:1435 115:1942 116:1830 117:2217 118:2323 119:1859 120:1036 121:956 122:2481 123:2158 124:1530 125:1882 128:1254 129:1292 130:866 131:2035 132:742 133:360 134:1618 135:297 136:779 137:942 138:2403 139:1216 140:757 141:1196 142:1195 143:1324 144:1260 145:327 146:1454 147:1350 148:2192 149:1450 150:817 151:1077 152:1563 153:418 154:2847 155:1338 156:1612 157:1198 158:938 159:2020 160:2314 161:1213 162:3333 163:1006 164:1541 165:1425 166:613 167:1812 168:3645 169:695 170:4291 171:790 172:2484 173:2975 174:1005 175:1106 176:3153 177:4393 178:2924 179:1887 180:2316 181:2615 182:3163 183:1598 184:2419 185:18510 186:4075 187:3122 188:3340 189:2874 190:8860 191:1405 192:10716 193:8228 194:6710 195:4794 196:2905 197:2197 198:6005 199:5998 200:7393 201:5234 202:10168 203:10103 204:4625 205:3350 206:3494 207:3378 208:4021 209:4705 210:3952 211:2185 212:3725 213:3473 214:1178 215:56 216:6304 217:2573 218:1049 219:463 220:2034 221:901 222:679 223:1720 End of report