Global R&E Routing Table Report 23:15 GMT Tue 25 May, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 846069 Prefixes after maximum aggregation (per Origin AS): 322138 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 408064 Total ASes present in the Internet Routing Table: 71183 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 61141 Origin ASes announcing only one prefix: 25246 Transit ASes present in the Internet Routing Table: 10042 Transit-only ASes present in the Internet Routing Table: 331 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 58 Max AS path prepend of ASN (203986) 55 Prefixes from unregistered ASNs in the Routing Table: 1160 Number of instances of unregistered ASNs: 1173 Number of 32-bit ASNs allocated by the RIRs: 36114 Number of 32-bit ASNs visible in the Routing Table: 29993 Prefixes from 32-bit ASNs in the Routing Table: 135406 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: 626 Number of addresses announced to Internet: 3039936000 Equivalent to 181 /8s, 49 /16s and 190 /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: 290004 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 215797 Total APNIC prefixes after maximum aggregation: 62573 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 211867 Unique aggregates announced from the APNIC address blocks: 89893 APNIC Region origin ASes present in the Internet Routing Table: 11509 APNIC Prefixes per ASN: 18.41 APNIC Region origin ASes announcing only one prefix: 3283 APNIC Region transit ASes present in the Internet Routing Table: 1620 Average APNIC Region AS path length visible: 3.2 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6725 Number of APNIC addresses announced to Internet: 774444288 Equivalent to 46 /8s, 41 /16s and 21 /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: 247015 Total ARIN prefixes after maximum aggregation: 112985 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 247352 Unique aggregates announced from the ARIN address blocks: 118033 ARIN Region origin ASes present in the Internet Routing Table: 18771 ARIN Prefixes per ASN: 13.18 ARIN Region origin ASes announcing only one prefix: 6805 ARIN Region transit ASes present in the Internet Routing Table: 1949 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3880 Number of ARIN addresses announced to Internet: 1270966272 Equivalent to 75 /8s, 193 /16s and 104 /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: 245765 Total RIPE prefixes after maximum aggregation: 114351 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 241801 Unique aggregates announced from the RIPE address blocks: 142125 RIPE Region origin ASes present in the Internet Routing Table: 27950 RIPE Prefixes per ASN: 8.65 RIPE Region origin ASes announcing only one prefix: 11988 RIPE Region transit ASes present in the Internet Routing Table: 3983 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 58 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10207 Number of RIPE addresses announced to Internet: 710488832 Equivalent to 42 /8s, 89 /16s and 51 /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: 110694 Total LACNIC prefixes after maximum aggregation: 26488 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 111815 Unique aggregates announced from the LACNIC address blocks: 47031 LACNIC Region origin ASes present in the Internet Routing Table: 10724 LACNIC Prefixes per ASN: 10.43 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2020 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: 8370 Number of LACNIC addresses announced to Internet: 176186368 Equivalent to 10 /8s, 128 /16s and 100 /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: 25626 Total AfriNIC prefixes after maximum aggregation: 4960 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 32608 Unique aggregates announced from the AfriNIC address blocks: 10489 AfriNIC Region origin ASes present in the Internet Routing Table: 1467 AfriNIC Prefixes per ASN: 22.23 AfriNIC Region origin ASes announcing only one prefix: 498 AfriNIC Region transit ASes present in the Internet Routing Table: 295 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 33 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 811 Number of AfriNIC addresses announced to Internet: 107397632 Equivalent to 6 /8s, 102 /16s and 194 /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 5774 782 672 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5258 8995 48 CMNET-GD Guangdong Mobile Communication 7713 3519 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3507 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2889 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2341 482 241 BBIL-AP BHARTI Airtel Ltd., IN 4766 2202 11359 558 KIXS-AS-KR Korea Telecom, KR 4755 2127 441 192 TATACOMM-AS TATA Communications formerl 45090 2116 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1945 314 16 TOT-NET TOT Public Company Limited, TH 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 5212 9377 2276 AMAZON-02, US 11492 4787 316 611 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3937 3002 244 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3459 1775 2431 AKAMAI-AS, US 6327 3360 1317 68 SHAW, CA 30036 2564 372 172 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2526 5037 481 CENTURYLINK-US-LEGACY-QWEST, US 5972 2243 452 778 DNIC-ASBLK-05800-06055, US 20115 2170 2928 508 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 7750 1039 3503 TTNET, TR 12479 6665 1725 146 UNI2-AS, ES 20940 3609 3359 188 AKAMAI-ASN1, NL 8551 3413 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2888 2281 891 ROSTELECOM-AS, RU 9009 2427 253 1303 M247, GB 34984 2199 355 590 TELLCOM-AS, TR 13188 1609 100 31 TRIOLAN, UA 58224 1578 873 568 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 8613 3483 571 Uninet S.A. de C.V., MX 10620 3422 526 613 Telmex Colombia S.A., CO 11830 2458 369 62 Instituto Costarricense de Electricidad 13999 1725 434 454 Mega Cable, S.A. de C.V., MX 6503 1451 311 477 Axtel, S.A.B. de C.V., MX 28573 1392 2282 227 CLARO S.A., BR 3816 1233 648 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1120 377 38 Telefonica del Peru S.A.A., PE 11664 1004 208 417 Techtel LMDS Comunicaciones Interactiva 11172 963 111 69 Alestra, S. de R.L. de C.V., MX 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 1592 393 21 LINKdotNET-AS, EG 24835 1453 498 29 RAYA-AS, EG 36992 1196 1473 176 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 731 68 11 ORANGE-COTE-IVOIRE, CI 6713 612 1863 34 IAM-AS, MA 36935 526 522 40 Vodafone-, EG 15399 481 48 23 WANANCHI-, KE 23889 433 232 15 MauritiusTelecom, MU 2018 321 319 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 8613 3483 571 Uninet S.A. de C.V., MX 47331 7750 1039 3503 TTNET, TR 12479 6665 1725 146 UNI2-AS, ES 7545 5774 782 672 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5258 8995 48 CMNET-GD Guangdong Mobile Communication 16509 5212 9377 2276 AMAZON-02, US 11492 4787 316 611 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3937 3002 244 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3609 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 6665 6519 UNI2-AS, ES 9808 5258 5210 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5774 5102 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7750 4247 TTNET, TR 11492 4787 4176 CABLEONE, US 7155 4027 3995 VIASAT-SP-BACKBONE, US 22773 3937 3693 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3507 3487 VIETEL-AS-AP Viettel Group, VN 7713 3519 3463 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 20940 3609 3421 AKAMAI-ASN1, NL 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 46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, US 15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, 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 23.142.80.0/24 Origin: 398481 REDMERCURY, US Transit: 209319 IPV6ROUTING, 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 27.126.156.0/22 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 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 /8:16 /9:13 /10:40 /11:100 /12:307 /13:585 /14:1185 /15:2029 /16:13456 /17:8236 /18:13691 /19:25244 /20:40438 /21:49550 /22:105015 /23:90141 /24:496011 /25:0 /26:1 /27:0 /28:0 /29:1 /30:3 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 47331 6937 7750 TTNET, TR 12479 5620 6665 UNI2-AS, ES 11492 3823 4787 CABLEONE, US 6327 3167 3360 SHAW, CA 8151 3164 8613 Uninet S.A. de C.V., MX 7155 3115 4027 VIASAT-SP-BACKBONE, US 22773 2966 3937 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2877 3413 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2231 2564 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1884 2:1194 3:128 4:19 5:3580 6:74 7:5 8:1504 11:164 12:1742 13:363 14:2201 15:76 16:15 17:322 18:107 20:122 21:1 22:188 23:4761 24:2422 25:2 27:2527 29:19 31:2284 32:107 34:16 35:45 36:1397 37:3774 38:2139 39:589 40:158 41:3782 42:938 43:2080 44:260 45:14918 46:3690 47:319 49:1606 50:1781 51:100 52:1278 54:237 55:740 56:7 57:54 58:1598 59:1044 60:924 61:2185 62:2270 63:1968 64:5335 65:2396 66:5038 67:2901 68:1162 69:4078 70:1386 71:680 72:3151 74:2603 75:1487 76:692 77:2009 78:3696 79:2601 80:1883 81:1637 82:1365 83:1130 84:1268 85:3396 86:701 87:1822 88:2693 89:3007 90:473 91:7329 92:1748 93:2530 94:3115 95:4469 96:1273 97:344 98:999 99:970 100:78 101:1290 102:1459 103:26053 104:3755 105:433 106:715 107:2273 108:713 109:4009 110:1892 111:2808 112:1875 113:1273 114:1447 115:1951 116:1800 117:2229 118:2268 119:1838 120:1092 121:964 122:2317 123:2187 124:1535 125:1856 128:1209 129:1254 130:847 131:2003 132:743 133:356 134:1612 135:293 136:741 137:922 138:2310 139:1177 140:729 141:1185 142:1188 143:1278 144:1249 145:328 146:1402 147:1311 148:2199 149:1387 150:811 151:1073 152:1544 153:412 154:2470 155:1326 156:1504 157:1177 158:904 159:2037 160:2318 161:1164 162:3271 163:1059 164:1533 165:1406 166:596 167:1804 168:3559 169:681 170:4238 171:771 172:2388 173:2957 174:993 175:1072 176:3141 177:4341 178:2898 179:1925 180:2314 181:2624 182:3156 183:1586 184:2430 185:18274 186:4154 187:3119 188:3298 189:2928 190:8948 191:1402 192:10656 193:8133 194:6635 195:4750 196:2871 197:1943 198:6036 199:6003 200:7412 201:5298 202:10155 203:10090 204:4608 205:3341 206:3466 207:3327 208:4007 209:4680 210:3965 211:2101 212:3705 213:3404 214:1214 215:62 216:6249 217:2508 218:1058 219:462 220:2034 221:929 222:692 223:1703 End of report