Global R&E Routing Table Report 23:05 GMT Mon 20 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: 867453 Prefixes after maximum aggregation (per Origin AS): 330089 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 424113 Total ASes present in the Internet Routing Table: 72270 Prefixes per ASN: 12.00 Origin-only ASes present in the Internet Routing Table: 62060 Origin ASes announcing only one prefix: 25645 Transit ASes present in the Internet Routing Table: 10210 Transit-only ASes present in the Internet Routing Table: 369 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: 889 Number of instances of unregistered ASNs: 892 Number of 32-bit ASNs allocated by the RIRs: 38132 Number of 32-bit ASNs visible in the Routing Table: 31597 Prefixes from 32-bit ASNs in the Routing Table: 146474 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 799 Number of addresses announced to Internet: 3072296448 Equivalent to 183 /8s, 31 /16s and 134 /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: 290435 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 225841 Total APNIC prefixes after maximum aggregation: 64539 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 220721 Unique aggregates announced from the APNIC address blocks: 93257 APNIC Region origin ASes present in the Internet Routing Table: 12086 APNIC Prefixes per ASN: 18.26 APNIC Region origin ASes announcing only one prefix: 3434 APNIC Region transit ASes present in the Internet Routing Table: 1681 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7334 Number of APNIC addresses announced to Internet: 772595456 Equivalent to 46 /8s, 12 /16s and 223 /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: 255767 Total ARIN prefixes after maximum aggregation: 117999 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 255247 Unique aggregates announced from the ARIN address blocks: 122349 ARIN Region origin ASes present in the Internet Routing Table: 18843 ARIN Prefixes per ASN: 13.55 ARIN Region origin ASes announcing only one prefix: 6853 ARIN Region transit ASes present in the Internet Routing Table: 1887 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4242 Number of ARIN addresses announced to Internet: 1300930560 Equivalent to 77 /8s, 138 /16s and 160 /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: 244368 Total RIPE prefixes after maximum aggregation: 114505 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 240764 Unique aggregates announced from the RIPE address blocks: 148258 RIPE Region origin ASes present in the Internet Routing Table: 28162 RIPE Prefixes per ASN: 8.55 RIPE Region origin ASes announcing only one prefix: 12161 RIPE Region transit ASes present in the Internet Routing Table: 3966 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: 10574 Number of RIPE addresses announced to Internet: 713572096 Equivalent to 42 /8s, 136 /16s and 63 /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: 113156 Total LACNIC prefixes after maximum aggregation: 27131 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 113937 Unique aggregates announced from the LACNIC address blocks: 47844 LACNIC Region origin ASes present in the Internet Routing Table: 10855 LACNIC Prefixes per ASN: 10.50 LACNIC Region origin ASes announcing only one prefix: 2648 LACNIC Region transit ASes present in the Internet Routing Table: 2172 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: 8536 Number of LACNIC addresses announced to Internet: 176225024 Equivalent to 10 /8s, 128 /16s and 251 /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: 27432 Total AfriNIC prefixes after maximum aggregation: 5256 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 35985 Unique aggregates announced from the AfriNIC address blocks: 11686 AfriNIC Region origin ASes present in the Internet Routing Table: 1579 AfriNIC Prefixes per ASN: 22.79 AfriNIC Region origin ASes announcing only one prefix: 549 AfriNIC Region transit ASes present in the Internet Routing Table: 308 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 911 Number of AfriNIC addresses announced to Internet: 108430592 Equivalent to 6 /8s, 118 /16s and 133 /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 8734 8999 54 CHINAMOBILE-CN China Mobile Communicati 7545 5836 787 680 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3589 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3481 1022 55 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3250 1896 54 VNPT-AS-VN VNPT Corp, VN 4766 2233 11117 571 KIXS-AS-KR Korea Telecom, KR 9498 2218 475 237 BBIL-AP BHARTI Airtel Ltd., IN 4755 2120 429 203 TATACOMM-AS TATA Communications formerl 45090 2103 1198 75 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2000 842 367 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 6042 10129 2595 AMAZON-02, US 11492 4581 303 822 CABLEONE, US 22773 4028 3036 386 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3948 264 28 VIASAT-SP-BACKBONE, US 16625 3679 1898 2560 AKAMAI-AS, US 6327 3390 1318 64 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2600 374 157 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2525 5043 433 CENTURYLINK-US-LEGACY-QWEST, US 20115 2237 3033 503 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 6846 1733 150 UNI2-AS, ES 20940 3856 3360 190 AKAMAI-ASN1, NL 8551 3541 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2887 2280 891 ROSTELECOM-AS, RU 9009 2584 271 1378 M247, GB 34984 2203 355 599 TELLCOM-AS, TR 58224 1771 921 575 TCI, IR 13188 1609 100 27 TRIOLAN, UA 61317 1595 214 924 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 10567 3450 581 Uninet S.A. de C.V., MX 10620 3256 491 831 Telmex Colombia S.A., CO 11830 2466 369 62 Instituto Costarricense de Electricidad 13999 1637 283 461 Mega Cable, S.A. de C.V., MX 6503 1437 355 523 Axtel, S.A.B. de C.V., MX 28573 1376 2324 258 CLARO S.A., BR 3816 1243 657 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1140 2350 138 TIM SA, BR 6147 1092 370 21 Telefonica del Peru S.A.A., PE 11664 994 191 443 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 24863 1626 393 21 LINKdotNET-AS, EG 24835 1545 499 32 RAYA-AS, EG 36992 1294 1462 268 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 851 68 11 ORANGE-COTE-IVOIRE, CI 36935 685 521 39 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 516 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 10567 3450 581 Uninet S.A. de C.V., MX 9808 8734 8999 54 CHINAMOBILE-CN China Mobile Communicati 12479 6846 1733 150 UNI2-AS, ES 16509 6042 10129 2595 AMAZON-02, US 7545 5836 787 680 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4581 303 822 CABLEONE, US 22773 4028 3036 386 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3948 264 28 VIASAT-SP-BACKBONE, US 20940 3856 3360 190 AKAMAI-ASN1, NL 16625 3679 1898 2560 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 8734 8680 CHINAMOBILE-CN China Mobile Communications Grou 12479 6846 6696 UNI2-AS, ES 7545 5836 5156 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 3948 3920 VIASAT-SP-BACKBONE, US 11492 4581 3759 CABLEONE, US 20940 3856 3666 AKAMAI-ASN1, NL 22773 4028 3642 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3589 3570 VIETEL-AS-AP Viettel Group, VN 8551 3541 3502 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6042 3447 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 /12:300 /13:590 /14:1201 /15:2071 /16:13523 /17:8261 /18:13778 /19:24888 /20:41878 /21:50542 /22:107099 /23:93362 /24:509784 /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 5781 6846 UNI2-AS, ES 8151 4391 10567 Uninet S.A. de C.V., MX 11492 3534 4581 CABLEONE, US 6327 3199 3390 SHAW, CA 7155 3040 3948 VIASAT-SP-BACKBONE, US 8551 3006 3541 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 3003 4028 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2807 3271 ALJAWWALSTC-AS, SA 30036 2255 2600 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) ---------------------------------------------- 1:1885 2:1001 3:148 4:18 5:3688 6:102 7:5 8:1517 11:172 12:1699 13:408 14:2299 15:135 16:34 17:369 18:130 20:143 21:4 22:188 23:5337 24:2333 25:2 27:2579 29:19 31:2423 32:103 34:1 35:49 36:1747 37:3903 38:2415 39:713 40:148 41:3892 42:1034 43:2087 44:294 45:15946 46:3827 47:271 49:1625 50:1887 51:106 52:1348 54:286 55:739 56:4 57:56 58:1636 59:1047 60:946 61:2249 62:2397 63:1941 64:5401 65:2318 66:4909 67:2916 68:1180 69:4110 70:1339 71:675 72:3046 74:2607 75:1505 76:711 77:2133 78:1790 79:2765 80:1897 81:1493 82:1414 83:1189 84:1304 85:2837 86:692 87:1907 88:1007 89:3104 90:491 91:7516 92:1879 93:2562 94:3257 95:3594 96:1292 97:343 98:986 99:879 100:75 101:1300 102:1863 103:27681 104:4085 105:441 106:844 107:2407 108:741 109:4023 110:2045 111:3118 112:1932 113:1419 114:1546 115:1981 116:1856 117:2486 118:2288 119:1880 120:1596 121:965 122:2497 123:2097 124:1548 125:1973 128:1325 129:1113 130:890 131:2070 132:771 133:365 134:1913 135:287 136:846 137:861 138:2443 139:1211 140:845 141:1330 142:1225 143:1400 144:1222 145:332 146:1729 147:1430 148:2203 149:1560 150:861 151:1075 152:1665 153:445 154:3562 155:1359 156:1872 157:1218 158:993 159:2014 160:2367 161:1266 162:3403 163:1180 164:1656 165:1554 166:610 167:1695 168:3629 169:679 170:4298 171:815 172:2917 173:3023 174:1003 175:1133 176:3423 177:4521 178:3010 179:1969 180:2314 181:2658 182:3149 183:1917 184:2417 185:19159 186:4253 187:3482 188:3645 189:3119 190:8734 191:1316 192:10990 193:8478 194:6921 195:4951 196:2904 197:2329 198:5940 199:5947 200:7375 201:5683 202:10184 203:9982 204:4488 205:3385 206:3749 207:3283 208:3974 209:4568 210:3995 211:2306 212:3887 213:3367 214:1153 215:64 216:6352 217:2624 218:1190 219:442 220:1693 221:984 222:673 223:2104 End of report