Global R&E Routing Table Report 23:15 GMT Fri 14 May, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 844951 Prefixes after maximum aggregation (per Origin AS): 322181 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 406848 Total ASes present in the Internet Routing Table: 71102 Prefixes per ASN: 11.88 Origin-only ASes present in the Internet Routing Table: 61075 Origin ASes announcing only one prefix: 25194 Transit ASes present in the Internet Routing Table: 10027 Transit-only ASes present in the Internet Routing Table: 331 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: 1250 Number of instances of unregistered ASNs: 1266 Number of 32-bit ASNs allocated by the RIRs: 36001 Number of 32-bit ASNs visible in the Routing Table: 29904 Prefixes from 32-bit ASNs in the Routing Table: 135181 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 713 Number of addresses announced to Internet: 3040589568 Equivalent to 181 /8s, 59 /16s and 183 /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: 289804 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 215423 Total APNIC prefixes after maximum aggregation: 63026 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 211603 Unique aggregates announced from the APNIC address blocks: 89472 APNIC Region origin ASes present in the Internet Routing Table: 11473 APNIC Prefixes per ASN: 18.44 APNIC Region origin ASes announcing only one prefix: 3288 APNIC Region transit ASes present in the Internet Routing Table: 1616 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: 6690 Number of APNIC addresses announced to Internet: 774451200 Equivalent to 46 /8s, 41 /16s and 48 /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: 246435 Total ARIN prefixes after maximum aggregation: 112853 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 246769 Unique aggregates announced from the ARIN address blocks: 117528 ARIN Region origin ASes present in the Internet Routing Table: 18748 ARIN Prefixes per ASN: 13.16 ARIN Region origin ASes announcing only one prefix: 6788 ARIN Region transit ASes present in the Internet Routing Table: 1926 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 30 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3857 Number of ARIN addresses announced to Internet: 1271802880 Equivalent to 75 /8s, 206 /16s and 44 /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: 244992 Total RIPE prefixes after maximum aggregation: 114069 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 241018 Unique aggregates announced from the RIPE address blocks: 141825 RIPE Region origin ASes present in the Internet Routing Table: 27908 RIPE Prefixes per ASN: 8.64 RIPE Region origin ASes announcing only one prefix: 11968 RIPE Region transit ASes present in the Internet Routing Table: 3968 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: 10169 Number of RIPE addresses announced to Internet: 710303232 Equivalent to 42 /8s, 86 /16s and 94 /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: 110991 Total LACNIC prefixes after maximum aggregation: 26477 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 112103 Unique aggregates announced from the LACNIC address blocks: 47040 LACNIC Region origin ASes present in the Internet Routing Table: 10734 LACNIC Prefixes per ASN: 10.44 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2039 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: 8384 Number of LACNIC addresses announced to Internet: 176155648 Equivalent to 10 /8s, 127 /16s and 236 /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: 25848 Total AfriNIC prefixes after maximum aggregation: 4940 AfriNIC Deaggregation factor: 5.23 Prefixes being announced from the AfriNIC address blocks: 32745 Unique aggregates announced from the AfriNIC address blocks: 10444 AfriNIC Region origin ASes present in the Internet Routing Table: 1457 AfriNIC Prefixes per ASN: 22.47 AfriNIC Region origin ASes announcing only one prefix: 491 AfriNIC Region transit ASes present in the Internet Routing Table: 295 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: 804 Number of AfriNIC addresses announced to Internet: 107393280 Equivalent to 6 /8s, 102 /16s and 177 /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 5766 782 670 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5206 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3519 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3484 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2886 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2341 482 242 BBIL-AP BHARTI Airtel Ltd., IN 4766 2196 11359 559 KIXS-AS-KR Korea Telecom, KR 4755 2127 441 192 TATACOMM-AS TATA Communications formerl 45090 2121 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 5140 9376 2271 AMAZON-02, US 11492 4778 316 592 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3923 2998 246 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3449 1772 2427 AKAMAI-AS, US 6327 3358 1317 68 SHAW, CA 30036 2566 373 129 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2530 5039 486 CENTURYLINK-US-LEGACY-QWEST, US 5972 2236 451 778 DNIC-ASBLK-05800-06055, US 20115 2171 2929 509 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 7743 1039 3499 TTNET, TR 12479 6638 1725 146 UNI2-AS, ES 20940 3596 3359 188 AKAMAI-ASN1, NL 8551 3448 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2874 2281 889 ROSTELECOM-AS, RU 9009 2439 250 1308 M247, GB 34984 2221 357 588 TELLCOM-AS, TR 13188 1607 100 37 TRIOLAN, UA 58224 1597 886 579 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 8575 3480 572 Uninet S.A. de C.V., MX 10620 3422 526 613 Telmex Colombia S.A., CO 11830 2492 369 62 Instituto Costarricense de Electricidad 13999 1713 434 442 Mega Cable, S.A. de C.V., MX 6503 1445 311 477 Axtel, S.A.B. de C.V., MX 28573 1392 2281 225 CLARO S.A., BR 3816 1233 648 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1121 377 38 Telefonica del Peru S.A.A., PE 11664 1001 210 406 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 1591 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 731 68 12 ORANGE-COTE-IVOIRE, CI 6713 592 1863 34 IAM-AS, MA 36935 524 522 40 Vodafone-, EG 37342 487 32 1 MOVITEL, MZ 15399 484 48 22 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 8575 3480 572 Uninet S.A. de C.V., MX 47331 7743 1039 3499 TTNET, TR 12479 6638 1725 146 UNI2-AS, ES 7545 5766 782 670 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5206 8995 52 CMNET-GD Guangdong Mobile Communication 16509 5140 9376 2271 AMAZON-02, US 11492 4778 316 592 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3923 2998 246 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3596 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 6638 6492 UNI2-AS, ES 9808 5206 5154 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5766 5096 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7743 4244 TTNET, TR 11492 4778 4186 CABLEONE, US 7155 4027 3995 VIASAT-SP-BACKBONE, US 22773 3923 3677 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3484 3464 VIETEL-AS-AP Viettel Group, VN 7713 3519 3463 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 20940 3596 3408 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 /11:101 /12:307 /13:587 /14:1186 /15:2032 /16:13456 /17:8222 /18:13676 /19:25197 /20:40412 /21:49471 /22:105015 /23:90129 /24:495079 /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 6929 7743 TTNET, TR 12479 5594 6638 UNI2-AS, ES 11492 3822 4778 CABLEONE, US 6327 3167 3358 SHAW, CA 8151 3131 8575 Uninet S.A. de C.V., MX 7155 3115 4027 VIASAT-SP-BACKBONE, US 22773 2960 3923 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2912 3448 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2233 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) ---------------------------------------------- 1:1883 2:1197 3:122 4:19 5:3547 6:65 7:5 8:1497 11:164 12:1746 13:364 14:2214 15:76 16:15 17:322 18:93 20:122 21:1 22:188 23:4706 24:2417 25:2 27:2493 29:19 31:2326 32:105 34:2 35:39 36:1257 37:3772 38:2091 39:578 40:158 41:3744 42:934 43:2089 44:249 45:14956 46:3693 47:319 49:1605 50:1752 51:100 52:1255 54:224 55:749 56:8 57:55 58:1590 59:1071 60:918 61:2238 62:2268 63:1961 64:5341 65:2377 66:5063 67:2901 68:1162 69:4081 70:1383 71:681 72:3154 74:2590 75:1487 76:687 77:2005 78:3691 79:2597 80:1862 81:1632 82:1374 83:1123 84:1266 85:3426 86:710 87:1812 88:2691 89:2981 90:464 91:7307 92:1756 93:2513 94:3109 95:4460 96:1274 97:346 98:995 99:973 100:76 101:1285 102:1444 103:25916 104:3732 105:436 106:723 107:2267 108:716 109:4006 110:1883 111:2613 112:1867 113:1303 114:1450 115:1945 116:1807 117:2217 118:2270 119:1839 120:1075 121:987 122:2239 123:2193 124:1530 125:1890 128:1198 129:1242 130:840 131:2026 132:742 133:360 134:1601 135:293 136:742 137:931 138:2322 139:1171 140:729 141:1185 142:1184 143:1284 144:1258 145:329 146:1400 147:1303 148:2213 149:1404 150:812 151:1074 152:1542 153:408 154:2457 155:1326 156:1490 157:1175 158:911 159:2044 160:2128 161:1158 162:3274 163:993 164:1534 165:1410 166:586 167:1808 168:3587 169:678 170:4261 171:769 172:2335 173:2944 174:994 175:1079 176:3134 177:4360 178:2903 179:1934 180:2316 181:2622 182:3160 183:1631 184:2418 185:18271 186:4199 187:3101 188:3293 189:2893 190:8922 191:1416 192:10668 193:8096 194:6608 195:4726 196:2886 197:2190 198:6019 199:6002 200:7414 201:5341 202:10198 203:10104 204:4606 205:3334 206:3461 207:3332 208:4010 209:4656 210:3983 211:2076 212:3692 213:3369 214:1211 215:62 216:6177 217:2516 218:1038 219:479 220:2040 221:933 222:691 223:1688 End of report