Global R&E Routing Table Report 23:05 GMT Sun 19 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: 867290 Prefixes after maximum aggregation (per Origin AS): 329904 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 423941 Total ASes present in the Internet Routing Table: 72258 Prefixes per ASN: 12.00 Origin-only ASes present in the Internet Routing Table: 62048 Origin ASes announcing only one prefix: 25654 Transit ASes present in the Internet Routing Table: 10210 Transit-only ASes present in the Internet Routing Table: 367 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: 31595 Prefixes from 32-bit ASNs in the Routing Table: 146347 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: 824 Number of addresses announced to Internet: 3072157696 Equivalent to 183 /8s, 29 /16s and 104 /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: 290238 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 225867 Total APNIC prefixes after maximum aggregation: 64516 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 220750 Unique aggregates announced from the APNIC address blocks: 93263 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: 3439 APNIC Region transit ASes present in the Internet Routing Table: 1682 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: 772491008 Equivalent to 46 /8s, 11 /16s and 71 /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: 255751 Total ARIN prefixes after maximum aggregation: 117906 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 255218 Unique aggregates announced from the ARIN address blocks: 122350 ARIN Region origin ASes present in the Internet Routing Table: 18834 ARIN Prefixes per ASN: 13.55 ARIN Region origin ASes announcing only one prefix: 6844 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: 4241 Number of ARIN addresses announced to Internet: 1300776960 Equivalent to 77 /8s, 136 /16s and 72 /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: 244154 Total RIPE prefixes after maximum aggregation: 114513 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 240555 Unique aggregates announced from the RIPE address blocks: 148232 RIPE Region origin ASes present in the Internet Routing Table: 28168 RIPE Prefixes per ASN: 8.54 RIPE Region origin ASes announcing only one prefix: 12168 RIPE Region transit ASes present in the Internet Routing Table: 3967 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: 10576 Number of RIPE addresses announced to Internet: 713739776 Equivalent to 42 /8s, 138 /16s and 206 /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: 113155 Total LACNIC prefixes after maximum aggregation: 27052 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 113928 Unique aggregates announced from the LACNIC address blocks: 47681 LACNIC Region origin ASes present in the Internet Routing Table: 10853 LACNIC Prefixes per ASN: 10.50 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2173 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: 8535 Number of LACNIC addresses announced to Internet: 176166400 Equivalent to 10 /8s, 128 /16s and 22 /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: 27474 Total AfriNIC prefixes after maximum aggregation: 5258 AfriNIC Deaggregation factor: 5.23 Prefixes being announced from the AfriNIC address blocks: 36015 Unique aggregates announced from the AfriNIC address blocks: 11674 AfriNIC Region origin ASes present in the Internet Routing Table: 1575 AfriNIC Prefixes per ASN: 22.87 AfriNIC Region origin ASes announcing only one prefix: 543 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: 909 Number of AfriNIC addresses announced to Internet: 108425472 Equivalent to 6 /8s, 118 /16s and 113 /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 8735 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 3482 1022 55 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3250 1896 54 VNPT-AS-VN VNPT Corp, VN 4766 2237 11118 573 KIXS-AS-KR Korea Telecom, KR 9498 2216 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 2002 844 355 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 6039 10080 2588 AMAZON-02, US 11492 4580 303 821 CABLEONE, US 22773 4029 3036 387 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3948 264 28 VIASAT-SP-BACKBONE, US 16625 3656 1883 2545 AKAMAI-AS, US 6327 3390 1318 64 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2605 374 135 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 6843 1733 150 UNI2-AS, ES 20940 3859 3360 189 AKAMAI-ASN1, NL 8551 3390 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2888 2280 891 ROSTELECOM-AS, RU 9009 2599 274 1387 M247, GB 34984 2203 355 599 TELLCOM-AS, TR 58224 1770 921 576 TCI, IR 13188 1609 100 27 TRIOLAN, UA 61317 1590 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 1091 370 21 Telefonica del Peru S.A.A., PE 11664 993 190 443 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 1546 499 32 RAYA-AS, EG 36992 1294 1462 268 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 852 68 11 ORANGE-COTE-IVOIRE, CI 36935 685 521 39 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 515 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 8735 8999 54 CHINAMOBILE-CN China Mobile Communicati 12479 6843 1733 150 UNI2-AS, ES 16509 6039 10080 2588 AMAZON-02, US 7545 5836 787 680 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4580 303 821 CABLEONE, US 22773 4029 3036 387 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3948 264 28 VIASAT-SP-BACKBONE, US 20940 3859 3360 189 AKAMAI-ASN1, NL 16625 3656 1883 2545 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 8735 8681 CHINAMOBILE-CN China Mobile Communications Grou 12479 6843 6693 UNI2-AS, ES 7545 5836 5156 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 3948 3920 VIASAT-SP-BACKBONE, US 11492 4580 3759 CABLEONE, US 20940 3859 3670 AKAMAI-ASN1, NL 22773 4029 3642 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3589 3570 VIETEL-AS-AP Viettel Group, VN 16509 6039 3451 AMAZON-02, US 7713 3482 3427 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 /12:300 /13:590 /14:1203 /15:2072 /16:13529 /17:8272 /18:13779 /19:24889 /20:41877 /21:50549 /22:107109 /23:93372 /24:509573 /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 5778 6843 UNI2-AS, ES 8151 4391 10567 Uninet S.A. de C.V., MX 11492 3533 4580 CABLEONE, US 6327 3199 3390 SHAW, CA 7155 3040 3948 VIASAT-SP-BACKBONE, US 22773 3003 4029 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2855 3390 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2807 3271 ALJAWWALSTC-AS, SA 30036 2260 2605 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) ---------------------------------------------- 1:1884 2:1008 3:148 4:18 5:3673 6:102 7:5 8:1501 11:172 12:1700 13:407 14:2296 15:135 16:34 17:373 18:130 20:143 21:4 22:188 23:5332 24:2333 25:2 27:2574 29:19 31:2421 32:103 34:1 35:49 36:1747 37:3902 38:2411 39:713 40:148 41:3893 42:1037 43:2086 44:294 45:15952 46:3818 47:269 49:1624 50:1883 51:106 52:1348 54:287 55:739 56:4 57:56 58:1636 59:1046 60:947 61:2248 62:2400 63:1941 64:5399 65:2306 66:4912 67:2916 68:1179 69:4107 70:1339 71:675 72:3044 74:2606 75:1505 76:711 77:2130 78:1791 79:2627 80:1897 81:1495 82:1413 83:1189 84:1306 85:2828 86:693 87:1905 88:1007 89:3095 90:491 91:7518 92:1883 93:2561 94:3256 95:3597 96:1293 97:344 98:986 99:879 100:75 101:1300 102:1861 103:27686 104:4083 105:442 106:844 107:2407 108:739 109:4003 110:2045 111:3118 112:1931 113:1420 114:1545 115:1982 116:1858 117:2482 118:2289 119:1883 120:1596 121:966 122:2497 123:2096 124:1547 125:1966 128:1325 129:1113 130:890 131:2071 132:775 133:365 134:1911 135:287 136:845 137:862 138:2443 139:1209 140:845 141:1329 142:1225 143:1396 144:1224 145:332 146:1726 147:1425 148:2202 149:1560 150:864 151:1074 152:1668 153:445 154:3561 155:1359 156:1873 157:1219 158:993 159:2012 160:2368 161:1264 162:3404 163:1178 164:1656 165:1552 166:611 167:1696 168:3624 169:679 170:4285 171:814 172:2920 173:3029 174:1003 175:1149 176:3422 177:4513 178:3012 179:1971 180:2314 181:2658 182:3149 183:1932 184:2415 185:19142 186:4253 187:3490 188:3644 189:3121 190:8732 191:1315 192:10996 193:8476 194:6920 195:4950 196:2920 197:2334 198:5942 199:5951 200:7368 201:5688 202:10188 203:9985 204:4490 205:3383 206:3747 207:3288 208:3978 209:4569 210:3986 211:2307 212:3888 213:3366 214:1152 215:64 216:6355 217:2623 218:1190 219:443 220:1689 221:983 222:673 223:2104 End of report