Global R&E Routing Table Report 23:15 GMT Wed 07 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 841519 Prefixes after maximum aggregation (per Origin AS): 320865 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 405956 Total ASes present in the Internet Routing Table: 70775 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 60791 Origin ASes announcing only one prefix: 25110 Transit ASes present in the Internet Routing Table: 9984 Transit-only ASes present in the Internet Routing Table: 329 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: 1000 Number of instances of unregistered ASNs: 1013 Number of 32-bit ASNs allocated by the RIRs: 35629 Number of 32-bit ASNs visible in the Routing Table: 29504 Prefixes from 32-bit ASNs in the Routing Table: 133308 Number of bogon 32-bit ASNs visible in the Routing Table: 32 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 531 Number of addresses announced to Internet: 2946551808 Equivalent to 175 /8s, 160 /16s and 208 /24s Percentage of available address space announced: 79.6 Percentage of allocated address space announced: 79.6 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: 288779 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 214340 Total APNIC prefixes after maximum aggregation: 62696 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 210558 Unique aggregates announced from the APNIC address blocks: 88761 APNIC Region origin ASes present in the Internet Routing Table: 11246 APNIC Prefixes per ASN: 18.72 APNIC Region origin ASes announcing only one prefix: 3196 APNIC Region transit ASes present in the Internet Routing Table: 1578 Average APNIC Region AS path length visible: 3.1 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6471 Number of APNIC addresses announced to Internet: 772234752 Equivalent to 46 /8s, 7 /16s and 94 /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, 131072-143673 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: 244410 Total ARIN prefixes after maximum aggregation: 112396 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 244877 Unique aggregates announced from the ARIN address blocks: 117485 ARIN Region origin ASes present in the Internet Routing Table: 18735 ARIN Prefixes per ASN: 13.07 ARIN Region origin ASes announcing only one prefix: 6804 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: 30 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3803 Number of ARIN addresses announced to Internet: 1180749824 Equivalent to 70 /8s, 96 /16s and 208 /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: 243910 Total RIPE prefixes after maximum aggregation: 113534 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 239849 Unique aggregates announced from the RIPE address blocks: 141077 RIPE Region origin ASes present in the Internet Routing Table: 27847 RIPE Prefixes per ASN: 8.61 RIPE Region origin ASes announcing only one prefix: 11956 RIPE Region transit ASes present in the Internet Routing Table: 3982 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: 10088 Number of RIPE addresses announced to Internet: 710521600 Equivalent to 42 /8s, 89 /16s and 179 /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: 112482 Total LACNIC prefixes after maximum aggregation: 26572 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 113597 Unique aggregates announced from the LACNIC address blocks: 48221 LACNIC Region origin ASes present in the Internet Routing Table: 10742 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2023 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: 8352 Number of LACNIC addresses announced to Internet: 174939136 Equivalent to 10 /8s, 109 /16s and 92 /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: 25365 Total AfriNIC prefixes after maximum aggregation: 4900 AfriNIC Deaggregation factor: 5.18 Prefixes being announced from the AfriNIC address blocks: 32107 Unique aggregates announced from the AfriNIC address blocks: 9929 AfriNIC Region origin ASes present in the Internet Routing Table: 1446 AfriNIC Prefixes per ASN: 22.20 AfriNIC Region origin ASes announcing only one prefix: 496 AfriNIC Region transit ASes present in the Internet Routing Table: 297 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 790 Number of AfriNIC addresses announced to Internet: 107675648 Equivalent to 6 /8s, 107 /16s and 0 /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 5714 783 671 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5026 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3522 1022 55 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3488 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 3001 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2318 482 232 BBIL-AP BHARTI Airtel Ltd., IN 4766 2208 11358 561 KIXS-AS-KR Korea Telecom, KR 4755 2121 441 190 TATACOMM-AS TATA Communications formerl 45090 2097 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1944 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 4924 9258 2206 AMAZON-02, US 11492 4755 315 708 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3917 2998 247 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3384 1755 2406 AKAMAI-AS, US 6327 3358 1317 70 SHAW, CA 30036 2544 372 96 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2530 5055 487 CENTURYLINK-US-LEGACY-QWEST, US 5650 2342 2996 1636 FRONTIER-FRTR, US 5972 2218 448 786 DNIC-ASBLK-05800-06055, 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 7753 1043 3488 TTNET, TR 12479 6402 1700 139 UNI2-AS, ES 8551 3625 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3585 3360 193 AKAMAI-ASN1, NL 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2871 2284 896 ROSTELECOM-AS, RU 9009 2375 246 1274 M247, GB 34984 2214 357 581 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1569 881 576 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 8482 3472 569 Uninet S.A. de C.V., MX 10620 3410 527 604 Telmex Colombia S.A., CO 11830 2552 369 63 Instituto Costarricense de Electricidad 7303 1673 1372 303 Telecom Argentina S.A., AR 13999 1658 447 427 Mega Cable, S.A. de C.V., MX 6503 1444 311 476 Axtel, S.A.B. de C.V., MX 28573 1377 2270 222 CLARO S.A., BR 3816 1213 626 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1128 377 39 Telefonica del Peru S.A.A., PE 11664 994 211 399 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 1584 393 22 LINKdotNET-AS, EG 24835 1385 454 25 RAYA-AS, EG 36992 1195 1537 174 ETISALAT-MISR, EG 36903 1189 530 107 MT-MPLS, MA 29571 688 68 11 ORANGE-COTE-IVOIRE, CI 6713 546 1863 34 IAM-AS, MA 37342 487 32 1 MOVITEL, MZ 23889 447 232 16 MauritiusTelecom, MU 15399 431 47 17 WANANCHI-, KE 36935 399 522 40 Vodafone-, EG 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 8482 3472 569 Uninet S.A. de C.V., MX 47331 7753 1043 3488 TTNET, TR 12479 6402 1700 139 UNI2-AS, ES 7545 5714 783 671 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5026 8995 52 CMNET-GD Guangdong Mobile Communication 16509 4924 9258 2206 AMAZON-02, US 11492 4755 315 708 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3917 2998 247 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3625 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 6402 6263 UNI2-AS, ES 7545 5714 5043 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5026 4974 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7753 4265 TTNET, TR 11492 4755 4047 CABLEONE, US 7155 4030 3998 VIASAT-SP-BACKBONE, US 22773 3917 3670 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3625 3584 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3488 3468 VIETEL-AS-AP Viettel Group, VN 7713 3522 3467 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 23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46766 UNALLOCATED 8.44.208.0/24 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: 397881 STINGERS, US Transit: 398481 REDMERCURY, 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 27.126.156.0/23 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 /8:12 /9:12 /10:39 /11:102 /12:294 /13:582 /14:1182 /15:1980 /16:13501 /17:8214 /18:13638 /19:25285 /20:40651 /21:50141 /22:104482 /23:89555 /24:491837 /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 6930 7753 TTNET, TR 12479 5358 6402 UNI2-AS, ES 11492 3809 4755 CABLEONE, US 6327 3165 3358 SHAW, CA 7155 3118 4030 VIASAT-SP-BACKBONE, US 8551 3088 3625 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 8151 3055 8482 Uninet S.A. de C.V., MX 22773 2958 3917 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2237 2544 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1877 2:1111 3:98 4:19 5:3567 6:63 7:5 8:1475 11:36 12:1747 13:359 14:2205 15:73 16:15 17:316 18:93 20:122 22:188 23:4623 24:2401 25:2 27:2502 29:16 31:2284 32:107 34:2 35:40 36:1245 37:3755 38:2060 39:575 40:161 41:3722 42:921 43:2108 44:237 45:14922 46:3681 47:320 49:1607 50:1758 51:92 52:1209 54:216 55:735 56:7 57:58 58:1611 59:1054 60:886 61:2270 62:2195 63:1961 64:5264 65:2366 66:5128 67:2867 68:1151 69:4036 70:1398 71:687 72:3158 74:2565 75:1486 76:682 77:2025 78:3671 79:2794 80:1865 81:1630 82:1341 83:1115 84:1252 85:3347 86:707 87:1784 88:2702 89:3026 90:433 91:7295 92:1749 93:2542 94:3074 95:4405 96:1263 97:345 98:985 99:968 100:73 101:1199 102:1352 103:25544 104:3702 105:432 106:724 107:2236 108:705 109:3986 110:1884 111:2665 112:1860 113:1304 114:1453 115:1907 116:1803 117:2195 118:2263 119:1833 120:1062 121:1002 122:2201 123:2167 124:1503 125:1907 128:1317 129:948 130:822 131:2035 132:749 133:355 134:1583 135:288 136:735 137:921 138:2304 139:1198 140:727 141:1183 142:1109 143:1266 144:1258 145:332 146:1365 147:1290 148:2213 149:1437 150:789 151:1079 152:1544 153:394 154:2303 155:1325 156:1474 157:1167 158:923 159:2021 160:2115 161:1133 162:3244 163:974 164:1508 165:1331 166:584 167:1808 168:3552 169:655 170:4251 171:763 172:2122 173:2934 174:970 175:1078 176:3099 177:4347 178:2892 179:1949 180:2347 181:2559 182:3166 183:1630 184:2422 185:18144 186:4192 187:3176 188:3285 189:2821 190:8912 191:1468 192:10625 193:7975 194:6556 195:4707 196:2859 197:2155 198:5995 199:6003 200:7419 201:5348 202:10204 203:10020 204:4605 205:3331 206:3454 207:3301 208:4009 209:4626 210:3955 211:2063 212:3677 213:3300 214:1222 215:61 216:6187 217:2524 218:1019 219:473 220:2032 221:978 222:787 223:1702 End of report