Global R&E Routing Table Report 23:05 GMT Sun 12 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: 866069 Prefixes after maximum aggregation (per Origin AS): 329513 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 422566 Total ASes present in the Internet Routing Table: 72215 Prefixes per ASN: 11.99 Origin-only ASes present in the Internet Routing Table: 62035 Origin ASes announcing only one prefix: 25611 Transit ASes present in the Internet Routing Table: 10180 Transit-only ASes present in the Internet Routing Table: 372 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: 881 Number of instances of unregistered ASNs: 884 Number of 32-bit ASNs allocated by the RIRs: 38065 Number of 32-bit ASNs visible in the Routing Table: 31533 Prefixes from 32-bit ASNs in the Routing Table: 145759 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 858 Number of addresses announced to Internet: 3072982784 Equivalent to 183 /8s, 41 /16s and 255 /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: 289566 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 225625 Total APNIC prefixes after maximum aggregation: 64427 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 220759 Unique aggregates announced from the APNIC address blocks: 93251 APNIC Region origin ASes present in the Internet Routing Table: 12077 APNIC Prefixes per ASN: 18.28 APNIC Region origin ASes announcing only one prefix: 3426 APNIC Region transit ASes present in the Internet Routing Table: 1688 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7327 Number of APNIC addresses announced to Internet: 773724160 Equivalent to 46 /8s, 30 /16s and 24 /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: 255617 Total ARIN prefixes after maximum aggregation: 118019 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 255022 Unique aggregates announced from the ARIN address blocks: 122273 ARIN Region origin ASes present in the Internet Routing Table: 18841 ARIN Prefixes per ASN: 13.54 ARIN Region origin ASes announcing only one prefix: 6846 ARIN Region transit ASes present in the Internet Routing Table: 1883 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: 4232 Number of ARIN addresses announced to Internet: 1300646912 Equivalent to 77 /8s, 134 /16s and 76 /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: 243709 Total RIPE prefixes after maximum aggregation: 114127 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 240078 Unique aggregates announced from the RIPE address blocks: 147399 RIPE Region origin ASes present in the Internet Routing Table: 28153 RIPE Prefixes per ASN: 8.53 RIPE Region origin ASes announcing only one prefix: 12147 RIPE Region transit ASes present in the Internet Routing Table: 3951 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10562 Number of RIPE addresses announced to Internet: 713546496 Equivalent to 42 /8s, 135 /16s and 219 /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: 112811 Total LACNIC prefixes after maximum aggregation: 27005 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 113613 Unique aggregates announced from the LACNIC address blocks: 47536 LACNIC Region origin ASes present in the Internet Routing Table: 10815 LACNIC Prefixes per ASN: 10.51 LACNIC Region origin ASes announcing only one prefix: 2644 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: 8504 Number of LACNIC addresses announced to Internet: 176210944 Equivalent to 10 /8s, 128 /16s and 196 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 27426 Total AfriNIC prefixes after maximum aggregation: 5271 AfriNIC Deaggregation factor: 5.20 Prefixes being announced from the AfriNIC address blocks: 35739 Unique aggregates announced from the AfriNIC address blocks: 11328 AfriNIC Region origin ASes present in the Internet Routing Table: 1581 AfriNIC Prefixes per ASN: 22.61 AfriNIC Region origin ASes announcing only one prefix: 548 AfriNIC Region transit ASes present in the Internet Routing Table: 313 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: 908 Number of AfriNIC addresses announced to Internet: 108276736 Equivalent to 6 /8s, 116 /16s and 44 /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 8732 8999 54 CHINAMOBILE-CN China Mobile Communicati 7545 5859 787 682 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3589 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3483 1022 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3249 1896 54 VNPT-AS-VN VNPT Corp, VN 4766 2239 11374 574 KIXS-AS-KR Korea Telecom, KR 9498 2194 475 237 BBIL-AP BHARTI Airtel Ltd., IN 4755 2118 429 201 TATACOMM-AS TATA Communications formerl 45090 2104 1198 75 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2002 843 358 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 5995 10073 2566 AMAZON-02, US 11492 4583 304 817 CABLEONE, US 22773 4037 3046 393 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 2576 370 266 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2526 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 6826 1733 150 UNI2-AS, ES 20940 3858 3360 190 AKAMAI-ASN1, NL 8551 3499 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2886 2279 895 ROSTELECOM-AS, RU 9009 2623 275 1391 M247, GB 34984 2206 355 598 TELLCOM-AS, TR 58224 1758 919 580 TCI, IR 13188 1609 100 27 TRIOLAN, UA 61317 1569 213 914 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 10413 3450 581 Uninet S.A. de C.V., MX 10620 3251 491 832 Telmex Colombia S.A., CO 11830 2465 369 62 Instituto Costarricense de Electricidad 13999 1628 288 460 Mega Cable, S.A. de C.V., MX 6503 1436 355 523 Axtel, S.A.B. de C.V., MX 28573 1368 2319 263 CLARO S.A., BR 3816 1241 654 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1133 2350 136 TIM SA, BR 6147 1087 370 21 Telefonica del Peru S.A.A., PE 11664 989 189 442 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 1624 393 21 LINKdotNET-AS, EG 24835 1546 499 32 RAYA-AS, EG 36992 1286 1430 268 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 826 68 11 ORANGE-COTE-IVOIRE, CI 36935 685 521 39 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 517 50 32 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 10413 3450 581 Uninet S.A. de C.V., MX 9808 8732 8999 54 CHINAMOBILE-CN China Mobile Communicati 12479 6826 1733 150 UNI2-AS, ES 16509 5995 10073 2566 AMAZON-02, US 7545 5859 787 682 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4583 304 817 CABLEONE, US 22773 4037 3046 393 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US 20940 3858 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 8732 8678 CHINAMOBILE-CN China Mobile Communications Grou 12479 6826 6676 UNI2-AS, ES 7545 5859 5177 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 3950 3920 VIASAT-SP-BACKBONE, US 11492 4583 3766 CABLEONE, US 20940 3858 3668 AKAMAI-ASN1, NL 22773 4037 3644 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3589 3570 VIETEL-AS-AP Viettel Group, VN 8551 3499 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 5995 3429 AMAZON-02, US 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 /12:301 /13:593 /14:1205 /15:2076 /16:13521 /17:8273 /18:13768 /19:24877 /20:41861 /21:50437 /22:107098 /23:93261 /24:508622 /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 5762 6826 UNI2-AS, ES 8151 4265 10413 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 3001 4037 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2964 3499 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2807 3271 ALJAWWALSTC-AS, SA 30036 2234 2576 MEDIACOM-ENTERPRISE-BUSINESS, US 11830 1920 2465 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 2:1013 3:147 4:18 5:3696 6:102 7:5 8:1511 11:172 12:1701 13:407 14:2297 15:133 16:34 17:375 18:129 20:143 21:4 22:188 23:5328 24:2327 25:2 27:2569 29:19 31:2406 32:103 34:1 35:49 36:1745 37:3915 38:2393 39:655 40:148 41:3884 42:1023 43:2078 44:294 45:15668 46:3712 47:270 49:1635 50:1879 51:104 52:1346 54:285 55:718 56:4 57:56 58:1644 59:1041 60:946 61:2245 62:2393 63:1943 64:5395 65:2307 66:4898 67:2924 68:1180 69:4094 70:1340 71:675 72:3081 74:2606 75:1504 76:710 77:2131 78:1749 79:2752 80:1891 81:1476 82:1414 83:1182 84:1301 85:2809 86:692 87:1900 88:982 89:3083 90:481 91:7509 92:1874 93:2552 94:3231 95:3599 96:1297 97:343 98:984 99:894 100:75 101:1303 102:1850 103:27727 104:4092 105:433 106:843 107:2401 108:739 109:4006 110:2046 111:3109 112:1962 113:1438 114:1539 115:1978 116:1860 117:2480 118:2299 119:1881 120:1587 121:999 122:2500 123:2106 124:1545 125:1966 128:1330 129:1107 130:889 131:2061 132:769 133:365 134:1914 135:288 136:831 137:862 138:2439 139:1203 140:845 141:1324 142:1226 143:1415 144:1263 145:330 146:1714 147:1466 148:2202 149:1569 150:849 151:1068 152:1655 153:445 154:3537 155:1357 156:1873 157:1202 158:991 159:2014 160:2357 161:1274 162:3407 163:1177 164:1668 165:1524 166:611 167:1687 168:3623 169:679 170:4287 171:812 172:2900 173:3014 174:1003 175:1146 176:3424 177:4490 178:3014 179:1965 180:2318 181:2624 182:3126 183:1914 184:2410 185:19113 186:4261 187:3469 188:3491 189:3027 190:8719 191:1324 192:10996 193:8451 194:6879 195:4937 196:2910 197:2350 198:5940 199:5963 200:7374 201:5682 202:10190 203:9991 204:4485 205:3376 206:3741 207:3299 208:3987 209:4573 210:3992 211:2307 212:3874 213:3375 214:1155 215:64 216:6350 217:2603 218:1193 219:454 220:1694 221:983 222:677 223:2111 End of report