Global R&E Routing Table Report 23:15 GMT Wed 26 May, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 846267 Prefixes after maximum aggregation (per Origin AS): 322426 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 408483 Total ASes present in the Internet Routing Table: 71197 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 61152 Origin ASes announcing only one prefix: 25226 Transit ASes present in the Internet Routing Table: 10045 Transit-only ASes present in the Internet Routing Table: 326 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 58 Max AS path prepend of ASN (203986) 55 Prefixes from unregistered ASNs in the Routing Table: 1141 Number of instances of unregistered ASNs: 1154 Number of 32-bit ASNs allocated by the RIRs: 36127 Number of 32-bit ASNs visible in the Routing Table: 30013 Prefixes from 32-bit ASNs in the Routing Table: 135751 Number of bogon 32-bit ASNs visible in the Routing Table: 33 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 612 Number of addresses announced to Internet: 3040124928 Equivalent to 181 /8s, 52 /16s and 160 /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: 290045 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 215970 Total APNIC prefixes after maximum aggregation: 62695 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 212036 Unique aggregates announced from the APNIC address blocks: 89902 APNIC Region origin ASes present in the Internet Routing Table: 11511 APNIC Prefixes per ASN: 18.42 APNIC Region origin ASes announcing only one prefix: 3285 APNIC Region transit ASes present in the Internet Routing Table: 1624 Average APNIC Region AS path length visible: 3.2 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6726 Number of APNIC addresses announced to Internet: 774528768 Equivalent to 46 /8s, 42 /16s and 95 /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: 247135 Total ARIN prefixes after maximum aggregation: 113078 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 247440 Unique aggregates announced from the ARIN address blocks: 118163 ARIN Region origin ASes present in the Internet Routing Table: 18768 ARIN Prefixes per ASN: 13.18 ARIN Region origin ASes announcing only one prefix: 6798 ARIN Region transit ASes present in the Internet Routing Table: 1942 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: 3875 Number of ARIN addresses announced to Internet: 1270978560 Equivalent to 75 /8s, 193 /16s and 152 /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: 245753 Total RIPE prefixes after maximum aggregation: 114387 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 241804 Unique aggregates announced from the RIPE address blocks: 142361 RIPE Region origin ASes present in the Internet Routing Table: 27940 RIPE Prefixes per ASN: 8.65 RIPE Region origin ASes announcing only one prefix: 11979 RIPE Region transit ASes present in the Internet Routing Table: 3986 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 58 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10205 Number of RIPE addresses announced to Internet: 710585088 Equivalent to 42 /8s, 90 /16s and 171 /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: 110626 Total LACNIC prefixes after maximum aggregation: 26536 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 111751 Unique aggregates announced from the LACNIC address blocks: 47077 LACNIC Region origin ASes present in the Internet Routing Table: 10759 LACNIC Prefixes per ASN: 10.39 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2025 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: 8399 Number of LACNIC addresses announced to Internet: 176211712 Equivalent to 10 /8s, 128 /16s and 199 /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: 25630 Total AfriNIC prefixes after maximum aggregation: 4961 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 32624 Unique aggregates announced from the AfriNIC address blocks: 10493 AfriNIC Region origin ASes present in the Internet Routing Table: 1463 AfriNIC Prefixes per ASN: 22.30 AfriNIC Region origin ASes announcing only one prefix: 496 AfriNIC Region transit ASes present in the Internet Routing Table: 296 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: 808 Number of AfriNIC addresses announced to Internet: 107378944 Equivalent to 6 /8s, 102 /16s and 121 /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 5777 782 672 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5258 8995 48 CMNET-GD Guangdong Mobile Communication 7713 3519 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3507 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2889 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2337 482 242 BBIL-AP BHARTI Airtel Ltd., IN 4766 2203 11359 558 KIXS-AS-KR Korea Telecom, KR 4755 2128 441 192 TATACOMM-AS TATA Communications formerl 45090 2116 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1946 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 5218 9379 2291 AMAZON-02, US 11492 4773 315 645 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3938 3002 244 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3443 1763 2423 AKAMAI-AS, US 6327 3360 1317 68 SHAW, CA 30036 2564 372 172 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2526 5037 482 CENTURYLINK-US-LEGACY-QWEST, US 5972 2237 451 784 DNIC-ASBLK-05800-06055, US 20115 2170 2928 508 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 7750 1039 3503 TTNET, TR 12479 6684 1725 146 UNI2-AS, ES 20940 3608 3359 188 AKAMAI-ASN1, NL 8551 3407 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3134 179 26 ALJAWWALSTC-AS, SA 12389 2888 2281 891 ROSTELECOM-AS, RU 9009 2429 253 1305 M247, GB 34984 2198 355 590 TELLCOM-AS, TR 13188 1609 100 31 TRIOLAN, UA 58224 1590 885 574 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 8609 3481 569 Uninet S.A. de C.V., MX 10620 3422 526 613 Telmex Colombia S.A., CO 11830 2496 369 62 Instituto Costarricense de Electricidad 13999 1725 432 455 Mega Cable, S.A. de C.V., MX 6503 1451 311 477 Axtel, S.A.B. de C.V., MX 28573 1392 2282 227 CLARO S.A., BR 3816 1233 648 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1120 377 38 Telefonica del Peru S.A.A., PE 11664 1004 208 417 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 1593 393 22 LINKdotNET-AS, EG 24835 1453 498 29 RAYA-AS, EG 36992 1197 1473 176 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 726 68 11 ORANGE-COTE-IVOIRE, CI 6713 612 1863 34 IAM-AS, MA 36935 526 522 40 Vodafone-, EG 15399 483 48 23 WANANCHI-, KE 23889 437 232 15 MauritiusTelecom, MU 2018 321 319 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 8609 3481 569 Uninet S.A. de C.V., MX 47331 7750 1039 3503 TTNET, TR 12479 6684 1725 146 UNI2-AS, ES 7545 5777 782 672 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5258 8995 48 CMNET-GD Guangdong Mobile Communication 16509 5218 9379 2291 AMAZON-02, US 11492 4773 315 645 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3938 3002 244 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3608 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 6684 6538 UNI2-AS, ES 9808 5258 5210 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5777 5105 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7750 4247 TTNET, TR 11492 4773 4128 CABLEONE, US 7155 4027 3995 VIASAT-SP-BACKBONE, US 22773 3938 3694 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3507 3487 VIETEL-AS-AP Viettel Group, VN 7713 3519 3463 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 20940 3608 3420 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: 398481 REDMERCURY, US Transit: 209319 IPV6ROUTING, 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 27.126.156.0/22 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 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 /14:1185 /15:2029 /16:13453 /17:8234 /18:13714 /19:24926 /20:40458 /21:49618 /22:105066 /23:90263 /24:496248 /25:0 /26:1 /27:0 /28:0 /29:1 /30:3 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 47331 6937 7750 TTNET, TR 12479 5637 6684 UNI2-AS, ES 11492 3809 4773 CABLEONE, US 6327 3167 3360 SHAW, CA 8151 3161 8609 Uninet S.A. de C.V., MX 7155 3115 4027 VIASAT-SP-BACKBONE, US 22773 2967 3938 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2871 3407 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2673 3134 ALJAWWALSTC-AS, SA 30036 2231 2564 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1885 2:1200 3:131 4:19 5:3574 6:73 7:5 8:1503 11:164 12:1742 13:367 14:2202 15:76 16:15 17:321 18:107 20:122 21:1 22:188 23:4763 24:2420 25:2 27:2537 29:19 31:2285 32:107 34:16 35:45 36:1397 37:3772 38:2139 39:589 40:159 41:3779 42:937 43:2083 44:260 45:14945 46:3690 47:318 49:1605 50:1786 51:100 52:1279 54:237 55:742 56:7 57:54 58:1598 59:1041 60:924 61:2184 62:2274 63:1967 64:5342 65:2398 66:5047 67:2901 68:1163 69:4073 70:1389 71:680 72:3142 74:2603 75:1487 76:692 77:2018 78:3694 79:2605 80:1886 81:1637 82:1362 83:1131 84:1263 85:3395 86:705 87:1822 88:2700 89:3003 90:472 91:7327 92:1773 93:2532 94:3116 95:4346 96:1286 97:344 98:999 99:970 100:78 101:1290 102:1455 103:26061 104:3751 105:432 106:714 107:2271 108:712 109:4000 110:1891 111:2808 112:1875 113:1273 114:1447 115:1947 116:1802 117:2230 118:2268 119:1835 120:1092 121:964 122:2319 123:2191 124:1535 125:1856 128:1212 129:1214 130:845 131:2021 132:741 133:357 134:1614 135:295 136:743 137:929 138:2331 139:1172 140:731 141:1185 142:1188 143:1296 144:1250 145:328 146:1409 147:1316 148:2199 149:1417 150:811 151:1072 152:1545 153:412 154:2470 155:1326 156:1511 157:1174 158:907 159:2037 160:2324 161:1165 162:3270 163:1062 164:1539 165:1411 166:596 167:1809 168:3559 169:682 170:4267 171:771 172:2392 173:2957 174:993 175:1074 176:3149 177:4350 178:2901 179:1914 180:2315 181:2621 182:3155 183:1586 184:2430 185:18298 186:4167 187:3127 188:3293 189:2941 190:8958 191:1388 192:10655 193:8143 194:6632 195:4747 196:2874 197:1936 198:6039 199:6003 200:7422 201:5285 202:10179 203:10095 204:4614 205:3351 206:3480 207:3337 208:4007 209:4681 210:3966 211:2101 212:3712 213:3378 214:1216 215:62 216:6256 217:2520 218:1058 219:461 220:2036 221:930 222:692 223:1703 End of report