Global R&E Routing Table Report 23:05 GMT Mon 13 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: 865988 Prefixes after maximum aggregation (per Origin AS): 329408 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 422337 Total ASes present in the Internet Routing Table: 72215 Prefixes per ASN: 11.99 Origin-only ASes present in the Internet Routing Table: 62049 Origin ASes announcing only one prefix: 25621 Transit ASes present in the Internet Routing Table: 10166 Transit-only ASes present in the Internet Routing Table: 371 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: 878 Number of instances of unregistered ASNs: 881 Number of 32-bit ASNs allocated by the RIRs: 38065 Number of 32-bit ASNs visible in the Routing Table: 31542 Prefixes from 32-bit ASNs in the Routing Table: 145919 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 854 Number of addresses announced to Internet: 3071944448 Equivalent to 183 /8s, 26 /16s and 39 /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: 289568 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 225744 Total APNIC prefixes after maximum aggregation: 64484 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 220869 Unique aggregates announced from the APNIC address blocks: 93131 APNIC Region origin ASes present in the Internet Routing Table: 12075 APNIC Prefixes per ASN: 18.29 APNIC Region origin ASes announcing only one prefix: 3425 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: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7325 Number of APNIC addresses announced to Internet: 772683776 Equivalent to 46 /8s, 14 /16s and 56 /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: 255285 Total ARIN prefixes after maximum aggregation: 117865 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 254786 Unique aggregates announced from the ARIN address blocks: 122139 ARIN Region origin ASes present in the Internet Routing Table: 18838 ARIN Prefixes per ASN: 13.53 ARIN Region origin ASes announcing only one prefix: 6850 ARIN Region transit ASes present in the Internet Routing Table: 1880 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: 1300536064 Equivalent to 77 /8s, 132 /16s and 155 /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: 243652 Total RIPE prefixes after maximum aggregation: 114122 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 239939 Unique aggregates announced from the RIPE address blocks: 147348 RIPE Region origin ASes present in the Internet Routing Table: 28149 RIPE Prefixes per ASN: 8.52 RIPE Region origin ASes announcing only one prefix: 12153 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: 10559 Number of RIPE addresses announced to Internet: 713546752 Equivalent to 42 /8s, 135 /16s and 220 /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: 113023 Total LACNIC prefixes after maximum aggregation: 27010 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 113830 Unique aggregates announced from the LACNIC address blocks: 47616 LACNIC Region origin ASes present in the Internet Routing Table: 10828 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: 2156 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: 8517 Number of LACNIC addresses announced to Internet: 176324096 Equivalent to 10 /8s, 130 /16s and 126 /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: 27406 Total AfriNIC prefixes after maximum aggregation: 5265 AfriNIC Deaggregation factor: 5.21 Prefixes being announced from the AfriNIC address blocks: 35710 Unique aggregates announced from the AfriNIC address blocks: 11326 AfriNIC Region origin ASes present in the Internet Routing Table: 1580 AfriNIC Prefixes per ASN: 22.60 AfriNIC Region origin ASes announcing only one prefix: 549 AfriNIC Region transit ASes present in the Internet Routing Table: 310 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: 108276992 Equivalent to 6 /8s, 116 /16s and 45 /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 5846 787 680 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 2238 11118 573 KIXS-AS-KR Korea Telecom, KR 9498 2197 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 2003 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 5976 10068 2565 AMAZON-02, US 11492 4583 304 817 CABLEONE, US 22773 4037 3046 393 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3948 264 28 VIASAT-SP-BACKBONE, US 16625 3631 1870 2538 AKAMAI-AS, US 6327 3389 1318 63 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2601 374 161 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2527 5043 436 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 6835 1733 150 UNI2-AS, ES 20940 3848 3360 190 AKAMAI-ASN1, NL 8551 3507 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2886 2279 895 ROSTELECOM-AS, RU 9009 2629 276 1397 M247, GB 34984 2206 355 598 TELLCOM-AS, TR 58224 1759 919 580 TCI, IR 13188 1609 100 27 TRIOLAN, UA 61317 1575 213 918 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 10549 3450 581 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 1628 288 460 Mega Cable, S.A. de C.V., MX 6503 1436 355 523 Axtel, S.A.B. de C.V., MX 28573 1372 2321 265 CLARO S.A., BR 3816 1241 654 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1139 2350 138 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 1625 393 21 LINKdotNET-AS, EG 24835 1526 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 683 521 39 Vodafone-, EG 6713 613 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 10549 3450 581 Uninet S.A. de C.V., MX 9808 8735 8999 54 CHINAMOBILE-CN China Mobile Communicati 12479 6835 1733 150 UNI2-AS, ES 16509 5976 10068 2565 AMAZON-02, US 7545 5846 787 680 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 3948 264 28 VIASAT-SP-BACKBONE, US 20940 3848 3360 190 AKAMAI-ASN1, NL 16625 3631 1870 2538 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 6835 6685 UNI2-AS, ES 7545 5846 5166 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 3948 3920 VIASAT-SP-BACKBONE, US 11492 4583 3766 CABLEONE, US 20940 3848 3658 AKAMAI-ASN1, NL 22773 4037 3644 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3589 3570 VIETEL-AS-AP Viettel Group, VN 8551 3507 3468 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3483 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 /16:13521 /17:8274 /18:13765 /19:24892 /20:41871 /21:50442 /22:107101 /23:93289 /24:508484 /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 5770 6835 UNI2-AS, ES 8151 4373 10549 Uninet S.A. de C.V., MX 11492 3536 4583 CABLEONE, US 6327 3199 3389 SHAW, CA 7155 3040 3948 VIASAT-SP-BACKBONE, US 22773 3001 4037 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2972 3507 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2807 3271 ALJAWWALSTC-AS, SA 30036 2256 2601 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) ---------------------------------------------- 1:1883 2:1013 3:148 4:18 5:3686 6:102 7:5 8:1507 11:172 12:1690 13:404 14:2296 15:135 16:34 17:375 18:128 20:143 21:4 22:188 23:5327 24:2326 25:2 27:2572 29:19 31:2403 32:103 34:1 35:49 36:1745 37:3911 38:2356 39:695 40:148 41:3885 42:1046 43:2079 44:294 45:15649 46:3707 47:270 49:1634 50:1879 51:104 52:1344 54:283 55:723 56:4 57:56 58:1640 59:1045 60:946 61:2248 62:2391 63:1944 64:5386 65:2307 66:4898 67:2920 68:1178 69:4090 70:1338 71:675 72:3047 74:2605 75:1504 76:710 77:2127 78:1749 79:2756 80:1885 81:1474 82:1408 83:1182 84:1304 85:2806 86:691 87:1900 88:982 89:3093 90:489 91:7510 92:1875 93:2552 94:3229 95:3597 96:1296 97:343 98:984 99:889 100:75 101:1303 102:1845 103:27721 104:4058 105:433 106:844 107:2405 108:739 109:3997 110:2041 111:3115 112:1964 113:1446 114:1541 115:1978 116:1865 117:2482 118:2301 119:1885 120:1588 121:1000 122:2497 123:2109 124:1546 125:1965 128:1323 129:1106 130:890 131:2069 132:771 133:365 134:1912 135:288 136:832 137:864 138:2440 139:1204 140:846 141:1325 142:1227 143:1425 144:1264 145:329 146:1717 147:1442 148:2204 149:1570 150:850 151:1068 152:1656 153:445 154:3509 155:1362 156:1868 157:1201 158:990 159:2014 160:2358 161:1273 162:3406 163:1177 164:1670 165:1524 166:611 167:1688 168:3624 169:679 170:4290 171:814 172:2899 173:3027 174:1002 175:1143 176:3424 177:4507 178:3008 179:1960 180:2318 181:2625 182:3127 183:1915 184:2409 185:19117 186:4262 187:3482 188:3493 189:3089 190:8738 191:1324 192:10945 193:8462 194:6885 195:4937 196:2905 197:2346 198:5936 199:5949 200:7367 201:5672 202:10166 203:9994 204:4486 205:3391 206:3750 207:3294 208:3971 209:4575 210:3997 211:2307 212:3885 213:3367 214:1155 215:64 216:6338 217:2598 218:1193 219:454 220:1691 221:983 222:670 223:2111 End of report