Global R&E Routing Table Report 23:15 GMT Sat 22 May, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 846069 Prefixes after maximum aggregation (per Origin AS): 322000 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 407802 Total ASes present in the Internet Routing Table: 71167 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 61137 Origin ASes announcing only one prefix: 25236 Transit ASes present in the Internet Routing Table: 10030 Transit-only ASes present in the Internet Routing Table: 321 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: 1180 Number of instances of unregistered ASNs: 1193 Number of 32-bit ASNs allocated by the RIRs: 36098 Number of 32-bit ASNs visible in the Routing Table: 29986 Prefixes from 32-bit ASNs in the Routing Table: 135378 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 642 Number of addresses announced to Internet: 3040102912 Equivalent to 181 /8s, 52 /16s and 74 /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: 290142 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 215556 Total APNIC prefixes after maximum aggregation: 62593 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 211668 Unique aggregates announced from the APNIC address blocks: 89848 APNIC Region origin ASes present in the Internet Routing Table: 11507 APNIC Prefixes per ASN: 18.39 APNIC Region origin ASes announcing only one prefix: 3286 APNIC Region transit ASes present in the Internet Routing Table: 1617 Average APNIC Region AS path length visible: 3.3 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6723 Number of APNIC addresses announced to Internet: 774446336 Equivalent to 46 /8s, 41 /16s and 29 /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: 246963 Total ARIN prefixes after maximum aggregation: 112901 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 247317 Unique aggregates announced from the ARIN address blocks: 118013 ARIN Region origin ASes present in the Internet Routing Table: 18770 ARIN Prefixes per ASN: 13.18 ARIN Region origin ASes announcing only one prefix: 6802 ARIN Region transit ASes present in the Internet Routing Table: 1941 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: 3879 Number of ARIN addresses announced to Internet: 1271285248 Equivalent to 75 /8s, 198 /16s and 70 /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: 245673 Total RIPE prefixes after maximum aggregation: 114253 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 241664 Unique aggregates announced from the RIPE address blocks: 141894 RIPE Region origin ASes present in the Internet Routing Table: 27925 RIPE Prefixes per ASN: 8.65 RIPE Region origin ASes announcing only one prefix: 11975 RIPE Region transit ASes present in the Internet Routing Table: 3981 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: 10189 Number of RIPE addresses announced to Internet: 710369024 Equivalent to 42 /8s, 87 /16s and 95 /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: 110804 Total LACNIC prefixes after maximum aggregation: 26511 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 111924 Unique aggregates announced from the LACNIC address blocks: 47065 LACNIC Region origin ASes present in the Internet Routing Table: 10747 LACNIC Prefixes per ASN: 10.41 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2014 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: 8389 Number of LACNIC addresses announced to Internet: 176164864 Equivalent to 10 /8s, 128 /16s and 16 /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: 25881 Total AfriNIC prefixes after maximum aggregation: 4955 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 32854 Unique aggregates announced from the AfriNIC address blocks: 10483 AfriNIC Region origin ASes present in the Internet Routing Table: 1461 AfriNIC Prefixes per ASN: 22.49 AfriNIC Region origin ASes announcing only one prefix: 495 AfriNIC Region transit ASes present in the Internet Routing Table: 300 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 806 Number of AfriNIC addresses announced to Internet: 107378176 Equivalent to 6 /8s, 102 /16s and 118 /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 783 667 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5267 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3521 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3505 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2888 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2341 482 241 BBIL-AP BHARTI Airtel Ltd., IN 4766 2201 11356 559 KIXS-AS-KR Korea Telecom, KR 4755 2127 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 5227 9382 2283 AMAZON-02, US 11492 4806 318 586 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3938 3002 247 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3448 1769 2425 AKAMAI-AS, US 6327 3360 1317 68 SHAW, CA 30036 2571 373 128 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2526 5037 481 CENTURYLINK-US-LEGACY-QWEST, US 5972 2243 452 778 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 7736 1038 3506 TTNET, TR 12479 6642 1725 146 UNI2-AS, ES 20940 3604 3359 188 AKAMAI-ASN1, NL 8551 3435 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2889 2281 891 ROSTELECOM-AS, RU 9009 2428 253 1304 M247, GB 34984 2203 355 591 TELLCOM-AS, TR 13188 1609 100 31 TRIOLAN, UA 58224 1600 887 576 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 8603 3483 571 Uninet S.A. de C.V., MX 10620 3422 526 613 Telmex Colombia S.A., CO 11830 2494 369 62 Instituto Costarricense de Electricidad 13999 1727 434 444 Mega Cable, S.A. de C.V., MX 6503 1451 311 477 Axtel, S.A.B. de C.V., MX 28573 1391 2282 226 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 1452 494 28 RAYA-AS, EG 36992 1196 1473 176 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 731 68 11 ORANGE-COTE-IVOIRE, CI 6713 613 1863 34 IAM-AS, MA 36935 526 522 40 Vodafone-, EG 37342 487 32 1 MOVITEL, MZ 15399 473 48 24 WANANCHI-, KE 23889 439 232 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 8603 3483 571 Uninet S.A. de C.V., MX 47331 7736 1038 3506 TTNET, TR 12479 6642 1725 146 UNI2-AS, ES 7545 5789 783 667 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5267 8995 52 CMNET-GD Guangdong Mobile Communication 16509 5227 9382 2283 AMAZON-02, US 11492 4806 318 586 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3938 3002 247 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3604 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 6642 6496 UNI2-AS, ES 9808 5267 5215 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5789 5122 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7736 4230 TTNET, TR 11492 4806 4220 CABLEONE, US 7155 4027 3995 VIASAT-SP-BACKBONE, US 22773 3938 3691 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3505 3485 VIETEL-AS-AP Viettel Group, VN 7713 3521 3465 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 20940 3604 3416 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 /15:2030 /16:13459 /17:8222 /18:13692 /19:25238 /20:40445 /21:49556 /22:105020 /23:90134 /24:496015 /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 6923 7736 TTNET, TR 12479 5599 6642 UNI2-AS, ES 11492 3835 4806 CABLEONE, US 6327 3167 3360 SHAW, CA 8151 3154 8603 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 2899 3435 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2238 2571 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1891 2:1195 3:128 4:20 5:3554 6:66 7:5 8:1501 11:164 12:1741 13:364 14:2206 15:76 16:15 17:322 18:107 20:122 21:1 22:188 23:4749 24:2429 25:2 27:2527 29:19 31:2316 32:107 34:16 35:45 36:1396 37:3775 38:2142 39:589 40:158 41:3760 42:940 43:2087 44:255 45:14923 46:3689 47:319 49:1606 50:1781 51:100 52:1278 54:237 55:756 56:7 57:55 58:1596 59:1046 60:921 61:2187 62:2266 63:1966 64:5333 65:2397 66:5046 67:2902 68:1164 69:4080 70:1385 71:680 72:3154 74:2602 75:1488 76:692 77:2008 78:3690 79:2600 80:1874 81:1633 82:1374 83:1128 84:1266 85:3400 86:705 87:1829 88:2699 89:3008 90:470 91:7317 92:1773 93:2533 94:3121 95:4471 96:1274 97:345 98:996 99:971 100:78 101:1287 102:1447 103:26053 104:3746 105:434 106:716 107:2272 108:713 109:4017 110:1893 111:2724 112:1877 113:1273 114:1449 115:1949 116:1805 117:2230 118:2263 119:1841 120:1078 121:957 122:2244 123:2191 124:1536 125:1863 128:1207 129:1254 130:846 131:2031 132:741 133:356 134:1614 135:293 136:742 137:933 138:2315 139:1173 140:731 141:1185 142:1186 143:1282 144:1260 145:329 146:1392 147:1311 148:2200 149:1419 150:807 151:1075 152:1543 153:412 154:2457 155:1327 156:1506 157:1179 158:911 159:2045 160:2317 161:1161 162:3270 163:997 164:1529 165:1409 166:592 167:1803 168:3589 169:683 170:4250 171:770 172:2372 173:2949 174:998 175:1076 176:3142 177:4355 178:2905 179:1943 180:2313 181:2619 182:3159 183:1584 184:2429 185:18262 186:4158 187:3116 188:3296 189:2903 190:8938 191:1417 192:10658 193:8114 194:6615 195:4739 196:2892 197:2196 198:6036 199:6006 200:7412 201:5277 202:10174 203:10093 204:4606 205:3333 206:3452 207:3329 208:4011 209:4646 210:3964 211:2078 212:3703 213:3366 214:1219 215:62 216:6221 217:2520 218:1040 219:461 220:2047 221:930 222:692 223:1702 End of report