IPv4 R&E Routing Table Report 23:05 GMT Fri 15 Mar, 2024 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 933782 Prefixes after maximum aggregation (per Origin AS): 357627 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 457878 Number of IPv4 prefixes with a valid ROA: 453129 Number of IPv4 prefixes with an invalid ROA: 1091 Number of IPv4 prefixes with no ROA: 479562 Total ASes present in the Internet Routing Table: 75276 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64771 Origin ASes announcing only one prefix: 26581 Transit ASes present in the Internet Routing Table: 10505 Transit-only ASes present in the Internet Routing Table: 473 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1079 Number of instances of unregistered ASNs: 1081 Number of 32-bit ASNs allocated by the RIRs: 43829 Number of 32-bit ASNs visible in the Routing Table: 35939 Prefixes from 32-bit ASNs in the Routing Table: 181591 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 561 Number of addresses announced to Internet: 3025912832 Equivalent to 180 /8s, 91 /16s and 196 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 308128 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246334 Total APNIC prefixes after maximum aggregation: 72164 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239115 Unique aggregates announced from the APNIC address blocks: 99757 APNIC Region origin ASes present in the Internet Routing Table: 13949 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4231 APNIC Region transit ASes present in the Internet Routing Table: 1856 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9378 Number of APNIC addresses announced to Internet: 760205312 Equivalent to 45 /8s, 79 /16s and 208 /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, 131072-153913 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: 273486 Total ARIN prefixes after maximum aggregation: 123692 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278013 Unique aggregates announced from the ARIN address blocks: 132667 ARIN Region origin ASes present in the Internet Routing Table: 19071 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1903 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4858 Number of ARIN addresses announced to Internet: 1269554432 Equivalent to 75 /8s, 171 /16s and 221 /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: 262817 Total RIPE prefixes after maximum aggregation: 126141 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 257668 Unique aggregates announced from the RIPE address blocks: 162470 RIPE Region origin ASes present in the Internet Routing Table: 28557 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12129 RIPE Region transit ASes present in the Internet Routing Table: 3897 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11646 Number of RIPE addresses announced to Internet: 714401792 Equivalent to 42 /8s, 148 /16s and 232 /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 196608-216475 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: 120808 Total LACNIC prefixes after maximum aggregation: 28770 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119219 Unique aggregates announced from the LACNIC address blocks: 49538 LACNIC Region origin ASes present in the Internet Routing Table: 11060 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2624 LACNIC Region transit ASes present in the Internet Routing Table: 2356 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8917 Number of LACNIC addresses announced to Internet: 177157888 Equivalent to 10 /8s, 143 /16s and 55 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 29258 Total AfriNIC prefixes after maximum aggregation: 6143 AfriNIC Deaggregation factor: 4.76 Prefixes being announced from the AfriNIC address blocks: 39206 Unique aggregates announced from the AfriNIC address blocks: 13001 AfriNIC Region origin ASes present in the Internet Routing Table: 1766 AfriNIC Prefixes per ASN: 22.20 AfriNIC Region origin ASes announcing only one prefix: 637 AfriNIC Region transit ASes present in the Internet Routing Table: 339 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1140 Number of AfriNIC addresses announced to Internet: 104291840 Equivalent to 6 /8s, 55 /16s and 94 /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 9808 9822 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5657 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4574 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3839 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3605 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3512 495 249 BBIL-AP BHARTI Airtel Ltd., IN 45899 3291 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2760 864 359 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2191 434 196 TATACOMM-AS TATA Communications formerl 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9733 11336 3375 AMAZON-02, US 11492 4587 304 634 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3600 3044 291 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3598 1320 75 SHAW, CA 174 3441 6645 675 COGENT-174, US 749 3193 54919 2445 DNIC-AS-00749, US 16625 3185 1379 2274 AKAMAI-AS, US 367 2919 3630 1403 DNIC-ASBLK-00306-00371, US 396982 2757 3640 406 GOOGLE-CLOUD-PLATFORM, 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 12479 7671 1714 147 UNI2-AS, ES 39891 4625 278 64 ALJAWWALSTC-AS, SA 20940 3852 3395 125 AKAMAI-ASN1, NL 9009 3251 282 1578 M247, RO 12389 2899 2304 906 ROSTELECOM-AS, RU 8551 2648 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 363 591 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1517 1852 14 TE-AS TE-AS, EG 44477 1494 98 714 STARK-INDUSTRIES, GB 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 12282 3316 499 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2509 340 652 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 348 492 Axtel, S.A.B. de C.V., MX 11664 1141 179 428 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1065 113 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 24835 1549 545 28 RAYA-AS, EG 24863 1504 389 20 LINKdotNET-AS, EG 36992 1369 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 523 55 53 WANANCHI-, KE 36914 491 82 3 KENET-AS, KE 29571 477 52 156 ORANGE-COTE-IVOIRE, CI 24757 428 73 5 EthioNet-AS, ET 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 12282 3316 499 UNINET, MX 9808 9822 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9733 11336 3375 AMAZON-02, US 12479 7671 1714 147 UNI2-AS, ES 7545 5657 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4625 278 64 ALJAWWALSTC-AS, SA 11492 4587 304 634 CABLEONE, US 18403 4574 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3852 3395 125 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 9808 9822 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7671 7524 UNI2-AS, ES 16509 9733 6358 AMAZON-02, US 7545 5657 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4625 4561 ALJAWWALSTC-AS, SA 18403 4574 4549 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4587 3953 CABLEONE, US 7552 3839 3819 VIETEL-AS-AP Viettel Group, VN 20940 3852 3727 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 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 /9:14 /10:36 /11:95 /12:296 /13:574 /14:1188 /15:2060 /16:13232 /17:8097 /18:13559 /19:24477 /20:43076 /21:50760 /22:109967 /23:98160 /24:568167 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6784 7671 UNI2-AS, ES 8151 6333 12282 UNINET, MX 11492 3500 4587 CABLEONE, US 6327 3396 3598 SHAW, CA 39891 3311 4625 ALJAWWALSTC-AS, SA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2647 3600 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2163 2507 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3525 Telmex Colombia S.A., CO 8551 2124 2648 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2266 2:1564 3:313 4:6 5:4419 6:162 7:6 8:1502 9:1 11:172 12:1466 13:381 14:2365 15:315 16:210 17:368 18:751 20:355 21:4 22:188 23:6613 24:2710 25:2 27:2634 29:19 31:2626 32:46 34:61 35:123 36:2205 37:4492 38:7359 39:894 40:125 41:3865 42:2194 43:2304 44:314 45:16855 46:4346 47:297 49:1901 50:1898 51:572 52:1587 54:312 55:970 56:5 57:152 58:1972 59:1123 60:1024 61:2607 62:2700 63:1903 64:5520 65:2315 66:4664 67:3051 68:1328 69:4075 70:1196 71:572 72:2895 74:2580 75:1550 76:632 77:2410 78:1844 79:2474 80:2152 81:1931 82:1506 83:1281 84:1642 85:3088 86:825 87:2002 88:1232 89:4014 90:682 91:7997 92:2190 93:2632 94:3636 95:4097 96:1297 97:312 98:1043 99:741 100:92 101:1162 102:3029 103:32432 104:4761 105:570 106:911 107:2758 108:1129 109:4065 110:2139 111:3187 112:2062 113:1756 114:1769 115:2001 116:1871 117:2616 118:2836 119:1957 120:1785 121:1270 122:2682 123:2195 124:1606 125:2831 126:28 128:1444 129:857 130:1084 131:1807 132:808 133:410 134:1714 135:311 136:948 137:1025 138:2815 139:1558 140:1371 141:1355 142:1558 143:1486 144:1017 145:344 146:2012 147:1708 148:2492 149:2559 150:1090 151:1331 152:1969 153:524 154:5866 155:1379 156:2243 157:1599 158:1102 159:2255 160:2141 161:1635 162:3586 163:1704 164:1616 165:2100 166:1066 167:1761 168:3918 169:777 170:4705 171:998 172:3814 173:3032 174:904 175:1215 176:3640 177:4494 178:3583 179:2234 180:2370 181:3665 182:3362 183:2032 184:2263 185:20620 186:4910 187:4412 188:4015 189:4086 190:9315 191:1463 192:10966 193:9026 194:7438 195:5241 196:3093 197:2531 198:5901 199:7489 200:7968 201:6238 202:10210 203:10131 204:4551 205:3696 206:4440 207:3413 208:4121 209:4997 210:4387 211:2475 212:4286 213:3389 214:1103 215:43 216:6754 217:2805 218:1312 219:409 220:1823 221:1029 222:694 223:2201 End of report