Global R&E Routing Table Report 23:15 GMT Tue 18 May, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 845722 Prefixes after maximum aggregation (per Origin AS): 322216 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 407380 Total ASes present in the Internet Routing Table: 71137 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 61075 Origin ASes announcing only one prefix: 25243 Transit ASes present in the Internet Routing Table: 10062 Transit-only ASes present in the Internet Routing Table: 329 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: 1210 Number of instances of unregistered ASNs: 1225 Number of 32-bit ASNs allocated by the RIRs: 36028 Number of 32-bit ASNs visible in the Routing Table: 29937 Prefixes from 32-bit ASNs in the Routing Table: 135308 Number of bogon 32-bit ASNs visible in the Routing Table: 36 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 674 Number of addresses announced to Internet: 3040504576 Equivalent to 181 /8s, 58 /16s and 107 /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: 289904 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216124 Total APNIC prefixes after maximum aggregation: 63040 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 212261 Unique aggregates announced from the APNIC address blocks: 89575 APNIC Region origin ASes present in the Internet Routing Table: 11476 APNIC Prefixes per ASN: 18.50 APNIC Region origin ASes announcing only one prefix: 3291 APNIC Region transit ASes present in the Internet Routing Table: 1618 Average APNIC Region AS path length visible: 3.1 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6691 Number of APNIC addresses announced to Internet: 774803200 Equivalent to 46 /8s, 46 /16s and 143 /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: 246451 Total ARIN prefixes after maximum aggregation: 112814 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 246839 Unique aggregates announced from the ARIN address blocks: 117954 ARIN Region origin ASes present in the Internet Routing Table: 18757 ARIN Prefixes per ASN: 13.16 ARIN Region origin ASes announcing only one prefix: 6799 ARIN Region transit ASes present in the Internet Routing Table: 1940 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: 3867 Number of ARIN addresses announced to Internet: 1271390720 Equivalent to 75 /8s, 199 /16s and 226 /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: 245333 Total RIPE prefixes after maximum aggregation: 114188 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 241304 Unique aggregates announced from the RIPE address blocks: 141866 RIPE Region origin ASes present in the Internet Routing Table: 27930 RIPE Prefixes per ASN: 8.64 RIPE Region origin ASes announcing only one prefix: 11981 RIPE Region transit ASes present in the Internet Routing Table: 3992 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: 10187 Number of RIPE addresses announced to Internet: 710310144 Equivalent to 42 /8s, 86 /16s and 121 /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: 110790 Total LACNIC prefixes after maximum aggregation: 26428 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 111905 Unique aggregates announced from the LACNIC address blocks: 46999 LACNIC Region origin ASes present in the Internet Routing Table: 10742 LACNIC Prefixes per ASN: 10.42 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2031 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: 8386 Number of LACNIC addresses announced to Internet: 176128768 Equivalent to 10 /8s, 127 /16s and 131 /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: 25802 Total AfriNIC prefixes after maximum aggregation: 4954 AfriNIC Deaggregation factor: 5.21 Prefixes being announced from the AfriNIC address blocks: 32739 Unique aggregates announced from the AfriNIC address blocks: 10478 AfriNIC Region origin ASes present in the Internet Routing Table: 1459 AfriNIC Prefixes per ASN: 22.44 AfriNIC Region origin ASes announcing only one prefix: 494 AfriNIC Region transit ASes present in the Internet Routing Table: 298 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: 107417856 Equivalent to 6 /8s, 103 /16s and 17 /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 5768 782 669 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5195 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3519 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3491 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2887 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2341 482 242 BBIL-AP BHARTI Airtel Ltd., IN 4766 2206 11359 559 KIXS-AS-KR Korea Telecom, KR 4755 2128 441 192 TATACOMM-AS TATA Communications formerl 45090 2121 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1943 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 5197 9375 2267 AMAZON-02, US 11492 4793 317 587 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3929 3002 247 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3442 1765 2421 AKAMAI-AS, US 6327 3358 1317 68 SHAW, CA 30036 2569 373 126 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2526 5037 482 CENTURYLINK-US-LEGACY-QWEST, US 5972 2238 451 781 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 7749 1039 3500 TTNET, TR 12479 6650 1725 146 UNI2-AS, ES 20940 3600 3359 188 AKAMAI-ASN1, NL 8551 3439 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2874 2281 889 ROSTELECOM-AS, RU 9009 2438 252 1308 M247, GB 34984 2221 357 598 TELLCOM-AS, TR 13188 1609 100 31 TRIOLAN, UA 58224 1597 886 582 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 8580 3479 573 Uninet S.A. de C.V., MX 10620 3422 526 613 Telmex Colombia S.A., CO 11830 2493 369 62 Instituto Costarricense de Electricidad 13999 1722 434 442 Mega Cable, S.A. de C.V., MX 28573 1388 2281 225 CLARO S.A., BR 6503 1382 310 480 Axtel, S.A.B. de C.V., MX 3816 1233 648 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1120 377 38 Telefonica del Peru S.A.A., PE 11664 998 209 415 Techtel LMDS Comunicaciones Interactiva 11172 973 112 72 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 1592 393 22 LINKdotNET-AS, EG 24835 1452 494 28 RAYA-AS, EG 36992 1194 1472 179 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 730 68 11 ORANGE-COTE-IVOIRE, CI 6713 592 1863 34 IAM-AS, MA 36935 524 522 40 Vodafone-, EG 37342 487 32 1 MOVITEL, MZ 15399 481 48 23 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 8580 3479 573 Uninet S.A. de C.V., MX 47331 7749 1039 3500 TTNET, TR 12479 6650 1725 146 UNI2-AS, ES 7545 5768 782 669 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5197 9375 2267 AMAZON-02, US 9808 5195 8995 52 CMNET-GD Guangdong Mobile Communication 11492 4793 317 587 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3929 3002 247 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3600 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 6650 6504 UNI2-AS, ES 9808 5195 5143 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5768 5099 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7749 4249 TTNET, TR 11492 4793 4206 CABLEONE, US 7155 4027 3995 VIASAT-SP-BACKBONE, US 22773 3929 3682 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3491 3471 VIETEL-AS-AP Viettel Group, VN 7713 3519 3463 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 20940 3600 3412 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 /14:1186 /15:2030 /16:13467 /17:8229 /18:13690 /19:25266 /20:40434 /21:49599 /22:105076 /23:90183 /24:495489 /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 6936 7749 TTNET, TR 12479 5607 6650 UNI2-AS, ES 11492 3824 4793 CABLEONE, US 6327 3167 3358 SHAW, CA 8151 3136 8580 Uninet S.A. de C.V., MX 7155 3115 4027 VIASAT-SP-BACKBONE, US 22773 2958 3929 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2903 3439 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2236 2569 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 2:1196 3:128 4:19 5:3553 6:65 7:5 8:1499 11:164 12:1746 13:363 14:2217 15:76 16:15 17:323 18:107 20:122 21:1 22:188 23:4726 24:2417 25:2 27:2521 29:19 31:2316 32:107 34:16 35:45 36:1394 37:3769 38:2105 39:589 40:158 41:3739 42:939 43:2091 44:251 45:14959 46:3708 47:319 49:1608 50:1783 51:100 52:1279 54:235 55:719 56:9 57:56 58:1596 59:1071 60:918 61:2243 62:2268 63:1968 64:5332 65:2377 66:5019 67:2900 68:1165 69:4083 70:1385 71:680 72:3147 74:2587 75:1487 76:686 77:2001 78:3687 79:2595 80:1876 81:1638 82:1375 83:1118 84:1268 85:3429 86:706 87:1819 88:2698 89:2986 90:465 91:7312 92:1767 93:2520 94:3119 95:4473 96:1275 97:346 98:994 99:971 100:78 101:1285 102:1440 103:25933 104:3734 105:433 106:723 107:2273 108:716 109:3997 110:1889 111:2730 112:1873 113:1308 114:1446 115:1946 116:1808 117:2227 118:2270 119:1842 120:1085 121:989 122:2241 123:2188 124:1531 125:1885 128:1192 129:1253 130:844 131:2032 132:743 133:360 134:1598 135:293 136:743 137:934 138:2321 139:1170 140:731 141:1187 142:1184 143:1286 144:1257 145:329 146:1395 147:1306 148:2201 149:1418 150:808 151:1076 152:1543 153:408 154:2446 155:1329 156:1492 157:1173 158:917 159:2054 160:2135 161:1159 162:3268 163:992 164:1538 165:1405 166:593 167:1804 168:3598 169:681 170:4260 171:769 172:2349 173:2950 174:993 175:1075 176:3135 177:4383 178:2898 179:1940 180:2314 181:2625 182:3160 183:1646 184:2422 185:18264 186:4219 187:3132 188:3294 189:2856 190:8919 191:1421 192:10664 193:8100 194:6608 195:4739 196:2879 197:2187 198:6031 199:6012 200:7338 201:5265 202:10197 203:10112 204:4597 205:3335 206:3442 207:3333 208:4011 209:4658 210:3978 211:2078 212:3707 213:3371 214:1127 215:62 216:6163 217:2507 218:1046 219:479 220:2043 221:935 222:692 223:1702 End of report