Global R&E Routing Table Report 23:05 GMT Tue 13 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 850253 Prefixes after maximum aggregation (per Origin AS): 324157 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 411352 Total ASes present in the Internet Routing Table: 71491 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 61371 Origin ASes announcing only one prefix: 25346 Transit ASes present in the Internet Routing Table: 10120 Transit-only ASes present in the Internet Routing Table: 341 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: 1105 Number of instances of unregistered ASNs: 1116 Number of 32-bit ASNs allocated by the RIRs: 36600 Number of 32-bit ASNs visible in the Routing Table: 30409 Prefixes from 32-bit ASNs in the Routing Table: 137988 Number of bogon 32-bit ASNs visible in the Routing Table: 33 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 525 Number of addresses announced to Internet: 3039537152 Equivalent to 181 /8s, 43 /16s and 168 /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: 290837 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216847 Total APNIC prefixes after maximum aggregation: 63057 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 212468 Unique aggregates announced from the APNIC address blocks: 90461 APNIC Region origin ASes present in the Internet Routing Table: 11659 APNIC Prefixes per ASN: 18.22 APNIC Region origin ASes announcing only one prefix: 3301 APNIC Region transit ASes present in the Internet Routing Table: 1651 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: 6889 Number of APNIC addresses announced to Internet: 774593024 Equivalent to 46 /8s, 43 /16s and 90 /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: 249513 Total ARIN prefixes after maximum aggregation: 113922 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 249251 Unique aggregates announced from the ARIN address blocks: 118985 ARIN Region origin ASes present in the Internet Routing Table: 18802 ARIN Prefixes per ASN: 13.26 ARIN Region origin ASes announcing only one prefix: 6836 ARIN Region transit ASes present in the Internet Routing Table: 1937 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: 3976 Number of ARIN addresses announced to Internet: 1270211584 Equivalent to 75 /8s, 181 /16s and 228 /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: 246565 Total RIPE prefixes after maximum aggregation: 114804 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 242955 Unique aggregates announced from the RIPE address blocks: 143347 RIPE Region origin ASes present in the Internet Routing Table: 28003 RIPE Prefixes per ASN: 8.68 RIPE Region origin ASes announcing only one prefix: 12035 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: 10300 Number of RIPE addresses announced to Internet: 710764800 Equivalent to 42 /8s, 93 /16s and 105 /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: 110592 Total LACNIC prefixes after maximum aggregation: 26523 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 111709 Unique aggregates announced from the LACNIC address blocks: 47156 LACNIC Region origin ASes present in the Internet Routing Table: 10774 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: 8414 Number of LACNIC addresses announced to Internet: 176043776 Equivalent to 10 /8s, 126 /16s and 55 /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: 25619 Total AfriNIC prefixes after maximum aggregation: 5090 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 33345 Unique aggregates announced from the AfriNIC address blocks: 10938 AfriNIC Region origin ASes present in the Internet Routing Table: 1492 AfriNIC Prefixes per ASN: 22.35 AfriNIC Region origin ASes announcing only one prefix: 512 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: 830 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 5803 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4936 8999 54 CMNET-GD Guangdong Mobile Communication 7552 3564 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3528 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2877 1897 55 VNPT-AS-VN VNPT Corp, VN 9498 2360 483 248 BBIL-AP BHARTI Airtel Ltd., IN 4766 2220 11375 566 KIXS-AS-KR Korea Telecom, KR 45090 2123 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 4755 2115 437 192 TATACOMM-AS TATA Communications formerl 24560 1951 838 342 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 5228 9533 2345 AMAZON-02, US 11492 4824 318 679 CABLEONE, US 7155 4006 264 32 VIASAT-SP-BACKBONE, US 22773 3973 3016 261 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3509 1814 2446 AKAMAI-AS, US 6327 3368 1317 69 SHAW, CA 30036 2585 373 109 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2544 5037 474 CENTURYLINK-US-LEGACY-QWEST, US 5972 2256 451 791 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 7720 1044 3513 TTNET, TR 12479 6733 1726 145 UNI2-AS, ES 20940 3714 3360 192 AKAMAI-ASN1, NL 8551 3320 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2885 2283 896 ROSTELECOM-AS, RU 9009 2442 255 1306 M247, GB 34984 2215 356 594 TELLCOM-AS, TR 61317 1640 269 841 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 8567 3447 582 Uninet S.A. de C.V., MX 10620 3407 525 651 Telmex Colombia S.A., CO 11830 2507 369 62 Instituto Costarricense de Electricidad 13999 1763 430 455 Mega Cable, S.A. de C.V., MX 6503 1487 359 478 Axtel, S.A.B. de C.V., MX 28573 1424 2288 236 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 1424 498 30 RAYA-AS, EG 24863 1414 393 22 LINKdotNET-AS, EG 36992 1302 1489 267 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 730 68 11 ORANGE-COTE-IVOIRE, CI 6713 613 1863 34 IAM-AS, MA 36935 527 522 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 8567 3447 582 Uninet S.A. de C.V., MX 47331 7720 1044 3513 TTNET, TR 12479 6733 1726 145 UNI2-AS, ES 7545 5803 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5228 9533 2345 AMAZON-02, US 9808 4936 8999 54 CMNET-GD Guangdong Mobile Communication 11492 4824 318 679 CABLEONE, US 7155 4006 264 32 VIASAT-SP-BACKBONE, US 22773 3973 3016 261 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3714 3360 192 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 6733 6588 UNI2-AS, ES 7545 5803 5127 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4936 4882 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7720 4207 TTNET, TR 11492 4824 4145 CABLEONE, US 7155 4006 3974 VIASAT-SP-BACKBONE, US 22773 3973 3712 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3564 3544 VIETEL-AS-AP Viettel Group, VN 20940 3714 3522 AKAMAI-ASN1, NL 7713 3528 3472 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 /16:13442 /17:8161 /18:13731 /19:24853 /20:40546 /21:49717 /22:105393 /23:90688 /24:499427 /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 6890 7720 TTNET, TR 12479 5671 6733 UNI2-AS, ES 11492 3797 4824 CABLEONE, US 6327 3175 3368 SHAW, CA 7155 3094 4006 VIASAT-SP-BACKBONE, US 8151 3082 8567 Uninet S.A. de C.V., MX 22773 2970 3973 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2784 3320 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2251 2585 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 2:1149 3:140 4:20 5:3570 6:79 7:5 8:1510 11:164 12:1741 13:365 14:2216 15:92 16:17 17:325 18:95 20:123 21:1 22:188 23:4825 24:2423 25:2 27:2520 29:19 31:2312 32:108 34:1 35:46 36:1416 37:3785 38:2163 39:568 40:166 41:3732 42:960 43:2058 44:267 45:15278 46:3677 47:351 49:1608 50:1815 51:101 52:1234 54:218 55:796 56:9 57:54 58:1628 59:1044 60:931 61:2186 62:2306 63:1967 64:5376 65:2363 66:5033 67:2892 68:1181 69:4089 70:1380 71:680 72:3135 74:2594 75:1491 76:697 77:2041 78:3671 79:2649 80:1863 81:1650 82:1361 83:1139 84:1250 85:3395 86:701 87:1823 88:2702 89:3014 90:495 91:7394 92:1790 93:2561 94:3111 95:4481 96:1296 97:343 98:977 99:968 100:76 101:1267 102:1534 103:26346 104:3851 105:435 106:795 107:2238 108:723 109:3853 110:1896 111:2765 112:1819 113:1285 114:1438 115:1919 116:1827 117:2205 118:2328 119:1862 120:1036 121:957 122:2485 123:2157 124:1529 125:1883 128:1253 129:1284 130:869 131:1994 132:738 133:360 134:1632 135:295 136:760 137:943 138:2414 139:1196 140:759 141:1215 142:1198 143:1325 144:1264 145:327 146:1456 147:1357 148:2195 149:1456 150:818 151:1078 152:1585 153:419 154:2906 155:1339 156:1625 157:1206 158:941 159:2020 160:2330 161:1223 162:3346 163:1008 164:1545 165:1420 166:611 167:1815 168:3613 169:700 170:4278 171:793 172:2509 173:2979 174:1009 175:1068 176:3105 177:4370 178:2935 179:1886 180:2317 181:2618 182:3165 183:1598 184:2416 185:18562 186:4084 187:3134 188:3338 189:2860 190:8826 191:1388 192:10707 193:8252 194:6713 195:4800 196:2889 197:1907 198:6015 199:5996 200:7381 201:5236 202:10166 203:10069 204:4632 205:3351 206:3543 207:3338 208:4023 209:4716 210:3945 211:2188 212:3731 213:3453 214:1182 215:56 216:6283 217:2576 218:1050 219:463 220:2029 221:901 222:679 223:1720 End of report