Global R&E Routing Table Report 23:15 GMT Wed 09 Jun, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 847271 Prefixes after maximum aggregation (per Origin AS): 322848 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 409053 Total ASes present in the Internet Routing Table: 71270 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 61199 Origin ASes announcing only one prefix: 25273 Transit ASes present in the Internet Routing Table: 10071 Transit-only ASes present in the Internet Routing Table: 337 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 52 Max AS path prepend of ASN ( 48366) 51 Prefixes from unregistered ASNs in the Routing Table: 1111 Number of instances of unregistered ASNs: 1120 Number of 32-bit ASNs allocated by the RIRs: 36264 Number of 32-bit ASNs visible in the Routing Table: 30104 Prefixes from 32-bit ASNs in the Routing Table: 136204 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 580 Number of addresses announced to Internet: 3041222400 Equivalent to 181 /8s, 69 /16s and 95 /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: 290279 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216561 Total APNIC prefixes after maximum aggregation: 62712 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 212271 Unique aggregates announced from the APNIC address blocks: 89766 APNIC Region origin ASes present in the Internet Routing Table: 11504 APNIC Prefixes per ASN: 18.45 APNIC Region origin ASes announcing only one prefix: 3275 APNIC Region transit ASes present in the Internet Routing Table: 1626 Average APNIC Region AS path length visible: 3.1 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6740 Number of APNIC addresses announced to Internet: 775381760 Equivalent to 46 /8s, 55 /16s and 99 /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: 247333 Total ARIN prefixes after maximum aggregation: 113285 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 247648 Unique aggregates announced from the ARIN address blocks: 118391 ARIN Region origin ASes present in the Internet Routing Table: 18787 ARIN Prefixes per ASN: 13.18 ARIN Region origin ASes announcing only one prefix: 6818 ARIN Region transit ASes present in the Internet Routing Table: 1948 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3903 Number of ARIN addresses announced to Internet: 1271233792 Equivalent to 75 /8s, 197 /16s and 125 /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: 245975 Total RIPE prefixes after maximum aggregation: 114521 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 242053 Unique aggregates announced from the RIPE address blocks: 142593 RIPE Region origin ASes present in the Internet Routing Table: 27970 RIPE Prefixes per ASN: 8.65 RIPE Region origin ASes announcing only one prefix: 12019 RIPE Region transit ASes present in the Internet Routing Table: 3996 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 52 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10232 Number of RIPE addresses announced to Internet: 710555392 Equivalent to 42 /8s, 90 /16s and 55 /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: 110407 Total LACNIC prefixes after maximum aggregation: 26464 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 111562 Unique aggregates announced from the LACNIC address blocks: 47050 LACNIC Region origin ASes present in the Internet Routing Table: 10761 LACNIC Prefixes per ASN: 10.37 LACNIC Region origin ASes announcing only one prefix: 2652 LACNIC Region transit ASes present in the Internet Routing Table: 2032 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8406 Number of LACNIC addresses announced to Internet: 176092672 Equivalent to 10 /8s, 126 /16s and 246 /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: 25872 Total AfriNIC prefixes after maximum aggregation: 5091 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 33157 Unique aggregates announced from the AfriNIC address blocks: 10740 AfriNIC Region origin ASes present in the Internet Routing Table: 1483 AfriNIC Prefixes per ASN: 22.36 AfriNIC Region origin ASes announcing only one prefix: 509 AfriNIC Region transit ASes present in the Internet Routing Table: 293 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 36 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 823 Number of AfriNIC addresses announced to Internet: 107367936 Equivalent to 6 /8s, 102 /16s and 78 /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 5789 783 673 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5257 8999 55 CMNET-GD Guangdong Mobile Communication 7713 3525 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3516 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2893 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2351 483 246 BBIL-AP BHARTI Airtel Ltd., IN 4766 2204 11359 559 KIXS-AS-KR Korea Telecom, KR 4755 2129 441 192 TATACOMM-AS TATA Communications formerl 45090 2116 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1942 314 16 TOT-NET TOT Public Company Limited, TH 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 5166 9384 2305 AMAZON-02, US 11492 4747 314 672 CABLEONE, US 7155 4026 264 32 VIASAT-SP-BACKBONE, US 22773 3936 3002 245 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3471 1778 2427 AKAMAI-AS, US 6327 3361 1317 69 SHAW, CA 30036 2580 372 129 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2543 5036 481 CENTURYLINK-US-LEGACY-QWEST, US 5972 2244 452 787 DNIC-ASBLK-05800-06055, US 20115 2170 2929 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 47331 7842 1054 3510 TTNET, TR 12479 6729 1725 146 UNI2-AS, ES 20940 3645 3359 188 AKAMAI-ASN1, NL 8551 3309 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2885 2283 896 ROSTELECOM-AS, RU 9009 2436 256 1308 M247, GB 34984 2204 355 591 TELLCOM-AS, TR 61317 1632 282 791 ASDETUK http://www.heficed.com, GB 13188 1609 100 31 TRIOLAN, UA 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 8652 3483 573 Uninet S.A. de C.V., MX 10620 3422 526 613 Telmex Colombia S.A., CO 11830 2506 369 62 Instituto Costarricense de Electricidad 13999 1740 435 455 Mega Cable, S.A. de C.V., MX 6503 1451 311 477 Axtel, S.A.B. de C.V., MX 28573 1391 2283 229 CLARO S.A., BR 3816 1237 649 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1112 374 31 Telefonica del Peru S.A.A., PE 11664 1006 208 420 Techtel LMDS Comunicaciones Interactiva 11172 963 111 69 Alestra, S. de R.L. de C.V., MX 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 1608 393 22 LINKdotNET-AS, EG 24835 1451 498 30 RAYA-AS, EG 36992 1259 1457 265 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 734 68 11 ORANGE-COTE-IVOIRE, CI 6713 612 1863 34 IAM-AS, MA 36935 525 522 40 Vodafone-, EG 15399 494 48 24 WANANCHI-, KE 37342 484 32 1 MOVITEL, MZ 23889 438 232 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 8652 3483 573 Uninet S.A. de C.V., MX 47331 7842 1054 3510 TTNET, TR 12479 6729 1725 146 UNI2-AS, ES 7545 5789 783 673 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5257 8999 55 CMNET-GD Guangdong Mobile Communication 16509 5166 9384 2305 AMAZON-02, US 11492 4747 314 672 CABLEONE, US 7155 4026 264 32 VIASAT-SP-BACKBONE, US 22773 3936 3002 245 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3645 3359 188 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 6729 6583 UNI2-AS, ES 9808 5257 5202 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5789 5116 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7842 4332 TTNET, TR 11492 4747 4075 CABLEONE, US 7155 4026 3994 VIASAT-SP-BACKBONE, US 22773 3936 3691 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3516 3496 VIETEL-AS-AP Viettel Group, VN 7713 3525 3469 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 20940 3645 3457 AKAMAI-ASN1, NL 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 46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, US 15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, 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 23.142.80.0/24 Origin: 209319 IPV6ROUTING, US Transit: 46573 LAYER-HOST, US 23.162.32.0/24 Origin: 32444 SAFELINK-MV, US Transit: 6939 HURRICANE, US 23.181.144.0/24 Origin: 399747 AMSP-ASN, US Transit: 20473 AS-CHOOPA, US 27.100.7.0/24 Origin: 56096 UNASSIGNED Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 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 /12:307 /13:585 /14:1188 /15:2028 /16:13450 /17:8213 /18:13734 /19:24884 /20:40460 /21:49601 /22:105060 /23:90383 /24:497196 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 47331 7009 7842 TTNET, TR 12479 5680 6729 UNI2-AS, ES 11492 3784 4747 CABLEONE, US 8151 3196 8652 Uninet S.A. de C.V., MX 6327 3167 3361 SHAW, CA 7155 3114 4026 VIASAT-SP-BACKBONE, US 22773 2966 3936 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 8551 2773 3309 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2248 2580 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1889 2:1203 3:134 4:19 5:3569 6:74 7:5 8:1509 11:164 12:1736 13:364 14:2194 15:78 16:15 17:324 18:93 20:122 21:1 22:188 23:4774 24:2420 25:2 27:2553 29:19 31:2300 32:106 34:1 35:41 36:1417 37:3762 38:2162 39:588 40:159 41:3746 42:951 43:2052 44:260 45:15016 46:3693 47:382 49:1612 50:1792 51:100 52:1243 54:221 55:769 56:10 57:54 58:1611 59:1044 60:931 61:2181 62:2274 63:1964 64:5348 65:2376 66:5032 67:2890 68:1166 69:4049 70:1387 71:680 72:3142 74:2595 75:1489 76:698 77:2020 78:3710 79:2628 80:1862 81:1650 82:1361 83:1130 84:1272 85:3417 86:709 87:1810 88:2700 89:2997 90:488 91:7342 92:1778 93:2551 94:3125 95:4456 96:1288 97:343 98:970 99:970 100:77 101:1296 102:1497 103:26010 104:3759 105:435 106:780 107:2233 108:713 109:3864 110:1888 111:2809 112:1874 113:1279 114:1449 115:1948 116:1802 117:2212 118:2279 119:1850 120:1104 121:973 122:2494 123:2159 124:1531 125:1881 128:1251 129:1075 130:847 131:2033 132:739 133:360 134:1604 135:301 136:766 137:933 138:2362 139:1185 140:745 141:1170 142:1192 143:1298 144:1247 145:333 146:1447 147:1326 148:2195 149:1439 150:816 151:1075 152:1507 153:414 154:2613 155:1327 156:1561 157:1186 158:917 159:2005 160:2323 161:1162 162:3289 163:991 164:1533 165:1389 166:598 167:1809 168:3607 169:693 170:4278 171:777 172:2434 173:2970 174:995 175:1079 176:3154 177:4350 178:2915 179:1881 180:2325 181:2640 182:3153 183:1593 184:2413 185:18369 186:4178 187:3088 188:3313 189:2902 190:8900 191:1391 192:10677 193:8186 194:6674 195:4785 196:2873 197:2187 198:6006 199:6010 200:7360 201:5278 202:10161 203:10083 204:4622 205:3336 206:3494 207:3339 208:3997 209:4676 210:3968 211:2136 212:3703 213:3396 214:1215 215:61 216:6252 217:2557 218:1060 219:461 220:2032 221:930 222:693 223:1711 End of report