Global R&E Routing Table Report 23:05 GMT Thu 16 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: 865991 Prefixes after maximum aggregation (per Origin AS): 329713 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 423150 Total ASes present in the Internet Routing Table: 72234 Prefixes per ASN: 11.99 Origin-only ASes present in the Internet Routing Table: 62019 Origin ASes announcing only one prefix: 25643 Transit ASes present in the Internet Routing Table: 10215 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: 877 Number of instances of unregistered ASNs: 880 Number of 32-bit ASNs allocated by the RIRs: 38096 Number of 32-bit ASNs visible in the Routing Table: 31576 Prefixes from 32-bit ASNs in the Routing Table: 145969 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: 839 Number of addresses announced to Internet: 3072001536 Equivalent to 183 /8s, 27 /16s and 6 /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: 289492 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 225416 Total APNIC prefixes after maximum aggregation: 64459 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 220577 Unique aggregates announced from the APNIC address blocks: 93078 APNIC Region origin ASes present in the Internet Routing Table: 12071 APNIC Prefixes per ASN: 18.27 APNIC Region origin ASes announcing only one prefix: 3431 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: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7325 Number of APNIC addresses announced to Internet: 772462336 Equivalent to 46 /8s, 10 /16s and 215 /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: 255761 Total ARIN prefixes after maximum aggregation: 117947 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 255217 Unique aggregates announced from the ARIN address blocks: 122141 ARIN Region origin ASes present in the Internet Routing Table: 18833 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: 4238 Number of ARIN addresses announced to Internet: 1300765952 Equivalent to 77 /8s, 136 /16s and 29 /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: 243311 Total RIPE prefixes after maximum aggregation: 114326 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 239715 Unique aggregates announced from the RIPE address blocks: 148200 RIPE Region origin ASes present in the Internet Routing Table: 28162 RIPE Prefixes per ASN: 8.51 RIPE Region origin ASes announcing only one prefix: 12167 RIPE Region transit ASes present in the Internet Routing Table: 3968 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: 10569 Number of RIPE addresses announced to Internet: 713574144 Equivalent to 42 /8s, 136 /16s and 71 /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: 113113 Total LACNIC prefixes after maximum aggregation: 27057 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 113902 Unique aggregates announced from the LACNIC address blocks: 47681 LACNIC Region origin ASes present in the Internet Routing Table: 10847 LACNIC Prefixes per ASN: 10.50 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2168 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: 8530 Number of LACNIC addresses announced to Internet: 176336640 Equivalent to 10 /8s, 130 /16s and 175 /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: 27513 Total AfriNIC prefixes after maximum aggregation: 5271 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 35741 Unique aggregates announced from the AfriNIC address blocks: 11293 AfriNIC Region origin ASes present in the Internet Routing Table: 1584 AfriNIC Prefixes per ASN: 22.56 AfriNIC Region origin ASes announcing only one prefix: 548 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: 914 Number of AfriNIC addresses announced to Internet: 108292352 Equivalent to 6 /8s, 116 /16s and 105 /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 5834 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 2238 11118 573 KIXS-AS-KR Korea Telecom, KR 9498 2213 475 237 BBIL-AP BHARTI Airtel Ltd., IN 4755 2119 429 202 TATACOMM-AS TATA Communications formerl 45090 2104 1198 75 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2004 844 356 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 6030 10080 2585 AMAZON-02, US 11492 4575 303 819 CABLEONE, US 22773 4034 3058 392 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3948 264 28 VIASAT-SP-BACKBONE, US 16625 3656 1884 2547 AKAMAI-AS, US 6327 3390 1318 64 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2604 374 140 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2525 5043 433 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 6842 1733 150 UNI2-AS, ES 20940 3862 3360 190 AKAMAI-ASN1, NL 39891 3271 187 23 ALJAWWALSTC-AS, SA 8551 3142 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2280 891 ROSTELECOM-AS, RU 9009 2562 268 1367 M247, GB 34984 2203 355 599 TELLCOM-AS, TR 58224 1759 919 576 TCI, IR 13188 1609 100 27 TRIOLAN, UA 61317 1592 214 927 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 10565 3450 581 Uninet S.A. de C.V., MX 10620 3256 491 831 Telmex Colombia S.A., CO 11830 2461 369 62 Instituto Costarricense de Electricidad 13999 1640 288 463 Mega Cable, S.A. de C.V., MX 6503 1437 355 523 Axtel, S.A.B. de C.V., MX 28573 1373 2324 263 CLARO S.A., BR 3816 1242 655 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1141 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 1627 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 852 68 11 ORANGE-COTE-IVOIRE, CI 36935 685 521 39 Vodafone-, EG 6713 612 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 10565 3450 581 Uninet S.A. de C.V., MX 9808 8734 8999 54 CHINAMOBILE-CN China Mobile Communicati 12479 6842 1733 150 UNI2-AS, ES 16509 6030 10080 2585 AMAZON-02, US 7545 5834 787 680 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4575 303 819 CABLEONE, US 22773 4034 3058 392 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3948 264 28 VIASAT-SP-BACKBONE, US 20940 3862 3360 190 AKAMAI-ASN1, NL 16625 3656 1884 2547 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 6842 6692 UNI2-AS, ES 7545 5834 5154 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 3948 3920 VIASAT-SP-BACKBONE, US 11492 4575 3756 CABLEONE, US 20940 3862 3672 AKAMAI-ASN1, NL 22773 4034 3642 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3589 3570 VIETEL-AS-AP Viettel Group, VN 16509 6030 3445 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 /13:593 /14:1204 /15:2076 /16:13525 /17:8265 /18:13769 /19:24875 /20:41852 /21:50507 /22:107074 /23:93301 /24:508474 /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 5777 6842 UNI2-AS, ES 8151 4389 10565 Uninet S.A. de C.V., MX 11492 3528 4575 CABLEONE, US 6327 3199 3390 SHAW, CA 7155 3040 3948 VIASAT-SP-BACKBONE, US 22773 3003 4034 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2807 3271 ALJAWWALSTC-AS, SA 8551 2607 3142 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2259 2604 MEDIACOM-ENTERPRISE-BUSINESS, US 11830 1916 2461 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) ---------------------------------------------- 1:1883 2:1009 3:148 4:18 5:3669 6:102 7:5 8:1514 11:172 12:1701 13:408 14:2297 15:135 16:34 17:374 18:130 20:143 21:4 22:188 23:5330 24:2328 25:2 27:2577 29:19 31:2412 32:103 34:1 35:49 36:1731 37:3905 38:2407 39:690 40:148 41:3898 42:1027 43:2083 44:293 45:15664 46:3714 47:270 49:1626 50:1884 51:106 52:1346 54:284 55:736 56:4 57:56 58:1636 59:1045 60:946 61:2249 62:2394 63:1942 64:5396 65:2307 66:4916 67:2915 68:1179 69:4104 70:1339 71:675 72:3045 74:2607 75:1506 76:711 77:2132 78:1748 79:2766 80:1887 81:1492 82:1411 83:1182 84:1304 85:2803 86:695 87:1901 88:977 89:3086 90:492 91:7514 92:1883 93:2559 94:3243 95:3591 96:1293 97:344 98:986 99:879 100:75 101:1300 102:1857 103:27672 104:4087 105:442 106:848 107:2404 108:739 109:3620 110:2029 111:3117 112:1932 113:1419 114:1544 115:1986 116:1864 117:2474 118:2293 119:1881 120:1588 121:962 122:2486 123:2100 124:1547 125:1968 128:1323 129:1111 130:890 131:2068 132:772 133:365 134:1912 135:288 136:845 137:865 138:2446 139:1204 140:848 141:1329 142:1225 143:1411 144:1257 145:330 146:1724 147:1430 148:2203 149:1567 150:863 151:1072 152:1658 153:444 154:3552 155:1362 156:1871 157:1211 158:993 159:2012 160:2377 161:1259 162:3405 163:1181 164:1658 165:1551 166:610 167:1692 168:3616 169:674 170:4293 171:812 172:2907 173:3032 174:1002 175:1121 176:3421 177:4516 178:3012 179:1965 180:2324 181:2645 182:3144 183:1917 184:2414 185:19133 186:4266 187:3501 188:3493 189:3116 190:8737 191:1323 192:10994 193:8479 194:6905 195:4947 196:2924 197:2346 198:5941 199:5950 200:7362 201:5687 202:10176 203:9992 204:4491 205:3382 206:3749 207:3288 208:3975 209:4570 210:3982 211:2307 212:3885 213:3363 214:1153 215:64 216:6355 217:2619 218:1190 219:443 220:1688 221:984 222:671 223:2103 End of report