Global R&E Routing Table Report 23:05 GMT Mon 26 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 850352 Prefixes after maximum aggregation (per Origin AS): 324658 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 411540 Total ASes present in the Internet Routing Table: 71447 Prefixes per ASN: 11.90 Origin-only ASes present in the Internet Routing Table: 61343 Origin ASes announcing only one prefix: 25353 Transit ASes present in the Internet Routing Table: 10104 Transit-only ASes present in the Internet Routing Table: 343 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 53 Max AS path prepend of ASN ( 48366) 51 Prefixes from unregistered ASNs in the Routing Table: 1048 Number of instances of unregistered ASNs: 1059 Number of 32-bit ASNs allocated by the RIRs: 36704 Number of 32-bit ASNs visible in the Routing Table: 30456 Prefixes from 32-bit ASNs in the Routing Table: 138047 Number of bogon 32-bit ASNs visible in the Routing Table: 31 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 520 Number of addresses announced to Internet: 3038648320 Equivalent to 181 /8s, 30 /16s and 24 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 290674 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216890 Total APNIC prefixes after maximum aggregation: 62983 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 212408 Unique aggregates announced from the APNIC address blocks: 90420 APNIC Region origin ASes present in the Internet Routing Table: 11656 APNIC Prefixes per ASN: 18.22 APNIC Region origin ASes announcing only one prefix: 3299 APNIC Region transit ASes present in the Internet Routing Table: 1653 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6897 Number of APNIC addresses announced to Internet: 774109184 Equivalent to 46 /8s, 35 /16s and 248 /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, 131072-147769 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: 249364 Total ARIN prefixes after maximum aggregation: 114463 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 249054 Unique aggregates announced from the ARIN address blocks: 119579 ARIN Region origin ASes present in the Internet Routing Table: 18783 ARIN Prefixes per ASN: 13.26 ARIN Region origin ASes announcing only one prefix: 6835 ARIN Region transit ASes present in the Internet Routing Table: 1924 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3999 Number of ARIN addresses announced to Internet: 1268849920 Equivalent to 75 /8s, 161 /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: 246364 Total RIPE prefixes after maximum aggregation: 114856 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 242808 Unique aggregates announced from the RIPE address blocks: 143444 RIPE Region origin ASes present in the Internet Routing Table: 27974 RIPE Prefixes per ASN: 8.68 RIPE Region origin ASes announcing only one prefix: 12041 RIPE Region transit ASes present in the Internet Routing Table: 3976 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 53 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10308 Number of RIPE addresses announced to Internet: 710783488 Equivalent to 42 /8s, 93 /16s and 178 /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: 110892 Total LACNIC prefixes after maximum aggregation: 26490 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 111946 Unique aggregates announced from the LACNIC address blocks: 47033 LACNIC Region origin ASes present in the Internet Routing Table: 10771 LACNIC Prefixes per ASN: 10.39 LACNIC Region origin ASes announcing only one prefix: 2662 LACNIC Region transit ASes present in the Internet Routing Table: 2086 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8420 Number of LACNIC addresses announced to Internet: 175975936 Equivalent to 10 /8s, 125 /16s and 46 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 25792 Total AfriNIC prefixes after maximum aggregation: 5116 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 33616 Unique aggregates announced from the AfriNIC address blocks: 10603 AfriNIC Region origin ASes present in the Internet Routing Table: 1499 AfriNIC Prefixes per ASN: 22.43 AfriNIC Region origin ASes announcing only one prefix: 516 AfriNIC Region transit ASes present in the Internet Routing Table: 291 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 42 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 832 Number of AfriNIC addresses announced to Internet: 108527616 Equivalent to 6 /8s, 120 /16s and 0 /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 7545 5801 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4946 8999 54 CMNET-GD Guangdong Mobile Communication 7552 3566 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3530 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2820 1897 55 VNPT-AS-VN VNPT Corp, VN 9498 2361 483 246 BBIL-AP BHARTI Airtel Ltd., IN 4766 2218 11375 566 KIXS-AS-KR Korea Telecom, KR 45090 2123 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 4755 2113 437 192 TATACOMM-AS TATA Communications formerl 24560 1954 838 345 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 5297 9551 2359 AMAZON-02, US 11492 4730 312 801 CABLEONE, US 7155 3994 264 32 VIASAT-SP-BACKBONE, US 22773 3984 3021 276 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3537 1823 2461 AKAMAI-AS, US 6327 3359 1317 68 SHAW, CA 30036 2566 371 215 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2536 5032 472 CENTURYLINK-US-LEGACY-QWEST, US 5972 2265 468 798 DNIC-ASBLK-05800-06055, US 20115 2225 2998 522 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 47331 7609 1034 3536 TTNET, TR 12479 6796 1726 145 UNI2-AS, ES 20940 3724 3360 198 AKAMAI-ASN1, NL 8551 3303 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2885 2283 896 ROSTELECOM-AS, RU 9009 2467 258 1320 M247, GB 34984 2214 356 594 TELLCOM-AS, TR 61317 1660 265 871 ASDETUK www.heficed.com, GB 58224 1613 888 562 TCI, IR 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 8596 3448 583 Uninet S.A. de C.V., MX 10620 3409 525 648 Telmex Colombia S.A., CO 11830 2507 369 62 Instituto Costarricense de Electricidad 13999 1767 410 475 Mega Cable, S.A. de C.V., MX 6503 1490 359 478 Axtel, S.A.B. de C.V., MX 28573 1429 2300 234 CLARO S.A., BR 3816 1240 652 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1099 369 22 Telefonica del Peru S.A.A., PE 26615 1090 2351 134 TIM SA, BR 11664 979 192 437 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 1501 393 22 LINKdotNET-AS, EG 24835 1458 499 30 RAYA-AS, EG 36992 1307 1489 267 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 735 68 11 ORANGE-COTE-IVOIRE, CI 6713 613 1863 34 IAM-AS, MA 36935 540 522 40 Vodafone-, EG 15399 499 49 27 WANANCHI-, KE 23889 437 232 16 MauritiusTelecom, MU 2018 327 319 74 TENET-1, ZA 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 8596 3448 583 Uninet S.A. de C.V., MX 47331 7609 1034 3536 TTNET, TR 12479 6796 1726 145 UNI2-AS, ES 7545 5801 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5297 9551 2359 AMAZON-02, US 9808 4946 8999 54 CMNET-GD Guangdong Mobile Communication 11492 4730 312 801 CABLEONE, US 7155 3994 264 32 VIASAT-SP-BACKBONE, US 22773 3984 3021 276 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3724 3360 198 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 12479 6796 6651 UNI2-AS, ES 7545 5801 5125 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4946 4892 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7609 4073 TTNET, TR 7155 3994 3962 VIASAT-SP-BACKBONE, US 11492 4730 3929 CABLEONE, US 22773 3984 3708 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3566 3546 VIETEL-AS-AP Viettel Group, VN 20940 3724 3526 AKAMAI-ASN1, NL 7713 3530 3474 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 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 8.33.224.0/24 174 COGENT-174, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US 15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, US 3577 UNALLOCATED 12.19.197.0/24 7018 ATT-INTERNET4, 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 Transit: 11426 TWC-11426-CAROLINAS, US 23.162.32.0/24 Origin: 32444 SAFELINK-MV, US Transit: 6939 HURRICANE, US 27.100.7.0/24 Origin: 56096 UNASSIGNED Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 27.126.156.0/23 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 41.57.124.0/22 Origin: 37442 UNASSIGNED Transit: 174 COGENT-174, US 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 /11:100 /12:306 /13:587 /14:1187 /15:2036 /16:13413 /17:8150 /18:13741 /19:24848 /20:40370 /21:49925 /22:105531 /23:90777 /24:499298 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 47331 6781 7609 TTNET, TR 12479 5730 6796 UNI2-AS, ES 11492 3719 4730 CABLEONE, US 6327 3167 3359 SHAW, CA 8151 3105 8596 Uninet S.A. de C.V., MX 7155 3082 3994 VIASAT-SP-BACKBONE, US 22773 2965 3984 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2768 3303 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2237 2566 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1898 2:1133 3:141 4:20 5:3560 6:79 7:5 8:1508 11:164 12:1733 13:376 14:2214 15:91 16:20 17:328 18:104 20:124 21:1 22:188 23:4877 24:2413 25:2 27:2501 29:19 31:2298 32:108 34:1 35:47 36:1448 37:3797 38:2180 39:590 40:186 41:3754 42:969 43:2021 44:265 45:15264 46:3678 47:348 48:2 49:1606 50:1795 51:101 52:1241 54:219 55:712 56:7 57:55 58:1635 59:1047 60:934 61:2222 62:2295 63:1955 64:5345 65:2352 66:5026 67:2892 68:1179 69:4080 70:1372 71:681 72:3121 74:2596 75:1493 76:697 77:2051 78:3635 79:2632 80:1864 81:1633 82:1357 83:1140 84:1258 85:3410 86:697 87:1820 88:2689 89:3024 90:501 91:7377 92:1795 93:2573 94:3121 95:4473 96:1282 97:340 98:974 99:969 100:77 101:1272 102:1577 103:26374 104:3866 105:430 106:792 107:2247 108:719 109:3853 110:1908 111:2769 112:1862 113:1280 114:1436 115:1919 116:1822 117:2200 118:2253 119:1870 120:1040 121:959 122:2498 123:2172 124:1543 125:1882 128:1263 129:1304 130:878 131:2002 132:738 133:360 134:1631 135:301 136:769 137:939 138:2406 139:1196 140:762 141:1200 142:1196 143:1343 144:1265 145:325 146:1459 147:1363 148:2197 149:1447 150:814 151:1085 152:1615 153:420 154:2939 155:1335 156:1660 157:1210 158:960 159:2009 160:2323 161:1228 162:3307 163:1019 164:1541 165:1410 166:600 167:1821 168:3614 169:700 170:4286 171:797 172:2540 173:2965 174:1005 175:1104 176:3165 177:4357 178:2947 179:1948 180:2304 181:2625 182:3164 183:1583 184:2419 185:18525 186:4135 187:3138 188:3346 189:2874 190:8757 191:1384 192:10683 193:8234 194:6689 195:4801 196:2874 197:1930 198:5986 199:5956 200:7327 201:5198 202:10144 203:10028 204:4629 205:3321 206:3613 207:3316 208:4025 209:4677 210:3961 211:2206 212:3733 213:3437 214:1181 215:56 216:6286 217:2567 218:1054 219:461 220:1952 221:900 222:678 223:1725 End of report