Global R&E Routing Table Report 23:05 GMT Wed 08 Dec, 2021 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 865727 Prefixes after maximum aggregation (per Origin AS): 328958 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 421805 Total ASes present in the Internet Routing Table: 72198 Prefixes per ASN: 11.99 Origin-only ASes present in the Internet Routing Table: 61992 Origin ASes announcing only one prefix: 25606 Transit ASes present in the Internet Routing Table: 10206 Transit-only ASes present in the Internet Routing Table: 368 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 54 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 920 Number of instances of unregistered ASNs: 923 Number of 32-bit ASNs allocated by the RIRs: 38007 Number of 32-bit ASNs visible in the Routing Table: 31520 Prefixes from 32-bit ASNs in the Routing Table: 145694 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 877 Number of addresses announced to Internet: 3073607936 Equivalent to 183 /8s, 51 /16s and 137 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 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: 289527 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 225678 Total APNIC prefixes after maximum aggregation: 64342 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 220824 Unique aggregates announced from the APNIC address blocks: 93035 APNIC Region origin ASes present in the Internet Routing Table: 12074 APNIC Prefixes per ASN: 18.29 APNIC Region origin ASes announcing only one prefix: 3429 APNIC Region transit ASes present in the Internet Routing Table: 1688 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7326 Number of APNIC addresses announced to Internet: 773681920 Equivalent to 46 /8s, 29 /16s and 115 /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, 131072-151865 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: 255199 Total ARIN prefixes after maximum aggregation: 117668 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 254789 Unique aggregates announced from the ARIN address blocks: 122108 ARIN Region origin ASes present in the Internet Routing Table: 18842 ARIN Prefixes per ASN: 13.52 ARIN Region origin ASes announcing only one prefix: 6849 ARIN Region transit ASes present in the Internet Routing Table: 1885 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4233 Number of ARIN addresses announced to Internet: 1301179136 Equivalent to 77 /8s, 142 /16s and 107 /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: 243394 Total RIPE prefixes after maximum aggregation: 114013 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 239605 Unique aggregates announced from the RIPE address blocks: 147026 RIPE Region origin ASes present in the Internet Routing Table: 28141 RIPE Prefixes per ASN: 8.51 RIPE Region origin ASes announcing only one prefix: 12141 RIPE Region transit ASes present in the Internet Routing Table: 3963 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10554 Number of RIPE addresses announced to Internet: 713480192 Equivalent to 42 /8s, 134 /16s and 216 /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: 113121 Total LACNIC prefixes after maximum aggregation: 26987 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 113941 Unique aggregates announced from the LACNIC address blocks: 47545 LACNIC Region origin ASes present in the Internet Routing Table: 10816 LACNIC Prefixes per ASN: 10.53 LACNIC Region origin ASes announcing only one prefix: 2640 LACNIC Region transit ASes present in the Internet Routing Table: 2151 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 54 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8502 Number of LACNIC addresses announced to Internet: 176414720 Equivalent to 10 /8s, 131 /16s and 224 /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: 27415 Total AfriNIC prefixes after maximum aggregation: 5267 AfriNIC Deaggregation factor: 5.21 Prefixes being announced from the AfriNIC address blocks: 35691 Unique aggregates announced from the AfriNIC address blocks: 11292 AfriNIC Region origin ASes present in the Internet Routing Table: 1579 AfriNIC Prefixes per ASN: 22.60 AfriNIC Region origin ASes announcing only one prefix: 547 AfriNIC Region transit ASes present in the Internet Routing Table: 312 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 905 Number of AfriNIC addresses announced to Internet: 108269056 Equivalent to 6 /8s, 116 /16s and 14 /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 9808 8729 8999 54 CHINAMOBILE-CN China Mobile Communicati 7545 5860 787 679 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3589 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3484 1022 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3247 1896 54 VNPT-AS-VN VNPT Corp, VN 4766 2239 11374 574 KIXS-AS-KR Korea Telecom, KR 9498 2194 475 238 BBIL-AP BHARTI Airtel Ltd., IN 4755 2119 429 201 TATACOMM-AS TATA Communications formerl 45090 2104 1198 75 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2001 843 359 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 5994 10072 2571 AMAZON-02, US 11492 4583 304 815 CABLEONE, US 22773 4016 3046 369 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US 16625 3648 1879 2540 AKAMAI-AS, US 6327 3389 1318 63 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2599 373 167 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2523 5043 435 CENTURYLINK-US-LEGACY-QWEST, US 20115 2236 3032 502 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 12479 6852 1733 150 UNI2-AS, ES 20940 3854 3360 190 AKAMAI-ASN1, NL 8551 3487 376 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2886 2279 895 ROSTELECOM-AS, RU 9009 2570 264 1347 M247, GB 34984 2203 355 597 TELLCOM-AS, TR 58224 1757 917 586 TCI, IR 13188 1610 100 27 TRIOLAN, UA 61317 1578 213 922 ASDETUK www.heficed.com, GB 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 10647 3450 583 Uninet S.A. de C.V., MX 10620 3251 491 832 Telmex Colombia S.A., CO 11830 2466 369 62 Instituto Costarricense de Electricidad 13999 1618 286 456 Mega Cable, S.A. de C.V., MX 6503 1436 355 523 Axtel, S.A.B. de C.V., MX 28573 1366 2318 261 CLARO S.A., BR 3816 1239 651 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1133 2350 136 TIM SA, BR 6147 1088 369 21 Telefonica del Peru S.A.A., PE 11664 985 189 440 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 1625 393 21 LINKdotNET-AS, EG 24835 1548 499 32 RAYA-AS, EG 36992 1287 1430 268 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 825 68 11 ORANGE-COTE-IVOIRE, CI 36935 685 521 39 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 517 50 31 WANANCHI-, KE 37342 470 32 1 MOVITEL, MZ 23889 424 232 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 10647 3450 583 Uninet S.A. de C.V., MX 9808 8729 8999 54 CHINAMOBILE-CN China Mobile Communicati 12479 6852 1733 150 UNI2-AS, ES 16509 5994 10072 2571 AMAZON-02, US 7545 5860 787 679 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4583 304 815 CABLEONE, US 22773 4016 3046 369 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US 20940 3854 3360 190 AKAMAI-ASN1, NL 16625 3648 1879 2540 AKAMAI-AS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 8729 8675 CHINAMOBILE-CN China Mobile Communications Grou 12479 6852 6702 UNI2-AS, ES 7545 5860 5181 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 3950 3920 VIASAT-SP-BACKBONE, US 11492 4583 3768 CABLEONE, US 20940 3854 3664 AKAMAI-ASN1, NL 22773 4016 3647 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3589 3570 VIETEL-AS-AP Viettel Group, VN 8551 3487 3454 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3484 3428 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 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 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 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 32306 UNALLOCATED 8.46.80.0/24 3356 LEVEL3, 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 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.252.160.0/24 Origin: 398968 GROUP-IID-01, US 23.252.160.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.162.0/24 Origin: 398968 GROUP-IID-01, US 23.252.162.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.163.0/24 Origin: 398968 GROUP-IID-01, US 23.252.163.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 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 /11:99 /12:302 /13:594 /14:1205 /15:2081 /16:13539 /17:8240 /18:13759 /19:24868 /20:41817 /21:50350 /22:107024 /23:93323 /24:508449 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:2 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5784 6852 UNI2-AS, ES 8151 4468 10647 Uninet S.A. de C.V., MX 11492 3536 4583 CABLEONE, US 6327 3199 3389 SHAW, CA 7155 3040 3950 VIASAT-SP-BACKBONE, US 22773 2994 4016 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2955 3487 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2807 3271 ALJAWWALSTC-AS, SA 30036 2254 2599 MEDIACOM-ENTERPRISE-BUSINESS, US 11830 1921 2466 Instituto Costarricense de Electricidad y Telec Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1898 2:1014 3:147 4:18 5:3700 6:100 7:5 8:1513 11:172 12:1706 13:409 14:2295 15:133 16:34 17:374 18:129 20:142 21:4 22:188 23:5322 24:2330 25:2 27:2564 29:19 31:2396 32:103 34:1 35:48 36:1743 37:3930 38:2386 39:658 40:148 41:3883 42:1047 43:2074 44:293 45:15651 46:3692 47:270 49:1653 50:1883 51:104 52:1345 54:285 55:727 56:4 57:56 58:1638 59:1043 60:942 61:2256 62:2392 63:1945 64:5385 65:2309 66:4905 67:2927 68:1182 69:4095 70:1344 71:675 72:3074 74:2607 75:1501 76:710 77:2141 78:1749 79:2745 80:1882 81:1482 82:1395 83:1178 84:1292 85:2810 86:700 87:1904 88:975 89:3096 90:478 91:7510 92:1878 93:2563 94:3222 95:3600 96:1297 97:343 98:983 99:894 100:78 101:1303 102:1841 103:27665 104:4094 105:425 106:846 107:2386 108:739 109:4007 110:2047 111:3095 112:1962 113:1443 114:1529 115:1978 116:1874 117:2480 118:2296 119:1882 120:1587 121:998 122:2519 123:2112 124:1543 125:1982 128:1317 129:1106 130:904 131:2069 132:770 133:365 134:1907 135:286 136:805 137:859 138:2435 139:1204 140:842 141:1320 142:1224 143:1414 144:1261 145:329 146:1708 147:1469 148:2204 149:1571 150:850 151:1068 152:1664 153:444 154:3424 155:1356 156:1852 157:1202 158:992 159:2022 160:2357 161:1270 162:3408 163:1172 164:1669 165:1523 166:614 167:1683 168:3630 169:678 170:4288 171:811 172:2890 173:3023 174:1003 175:1145 176:3423 177:4488 178:2933 179:1955 180:2314 181:2612 182:3123 183:1918 184:2408 185:19072 186:4271 187:3520 188:3492 189:3096 190:8706 191:1332 192:10993 193:8456 194:6885 195:4933 196:2909 197:2353 198:5938 199:5966 200:7383 201:5679 202:10214 203:10005 204:4493 205:3388 206:3743 207:3296 208:3991 209:4586 210:3988 211:2306 212:3860 213:3367 214:1164 215:64 216:6350 217:2598 218:1192 219:455 220:1692 221:984 222:679 223:2113 End of report