IPv4 R&E Routing Table Report 23:05 GMT Sat 16 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: 934022 Prefixes after maximum aggregation (per Origin AS): 357473 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458129 Number of IPv4 prefixes with a valid ROA: 453138 Number of IPv4 prefixes with an invalid ROA: 1030 Number of IPv4 prefixes with no ROA: 479854 Total ASes present in the Internet Routing Table: 75258 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64753 Origin ASes announcing only one prefix: 26565 Transit ASes present in the Internet Routing Table: 10505 Transit-only ASes present in the Internet Routing Table: 476 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: 1075 Number of instances of unregistered ASNs: 1077 Number of 32-bit ASNs allocated by the RIRs: 43843 Number of 32-bit ASNs visible in the Routing Table: 35940 Prefixes from 32-bit ASNs in the Routing Table: 181602 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: 555 Number of addresses announced to Internet: 3025940480 Equivalent to 180 /8s, 92 /16s and 48 /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: 308197 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246342 Total APNIC prefixes after maximum aggregation: 72158 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239138 Unique aggregates announced from the APNIC address blocks: 99846 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: 4220 APNIC Region transit ASes present in the Internet Routing Table: 1853 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: 9380 Number of APNIC addresses announced to Internet: 760219392 Equivalent to 45 /8s, 80 /16s and 7 /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: 273300 Total ARIN prefixes after maximum aggregation: 123558 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277872 Unique aggregates announced from the ARIN address blocks: 132592 ARIN Region origin ASes present in the Internet Routing Table: 19057 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1901 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: 4855 Number of ARIN addresses announced to Internet: 1269370880 Equivalent to 75 /8s, 169 /16s and 16 /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: 262849 Total RIPE prefixes after maximum aggregation: 126169 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 257696 Unique aggregates announced from the RIPE address blocks: 162494 RIPE Region origin ASes present in the Internet Routing Table: 28566 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12137 RIPE Region transit ASes present in the Internet Routing Table: 3902 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11655 Number of RIPE addresses announced to Internet: 714415104 Equivalent to 42 /8s, 149 /16s and 28 /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: 120668 Total LACNIC prefixes after maximum aggregation: 28739 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119082 Unique aggregates announced from the LACNIC address blocks: 49546 LACNIC Region origin ASes present in the Internet Routing Table: 11049 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2621 LACNIC Region transit ASes present in the Internet Routing Table: 2358 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: 8908 Number of LACNIC addresses announced to Internet: 177171712 Equivalent to 10 /8s, 143 /16s and 109 /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: 29788 Total AfriNIC prefixes after maximum aggregation: 6132 AfriNIC Deaggregation factor: 4.86 Prefixes being announced from the AfriNIC address blocks: 39679 Unique aggregates announced from the AfriNIC address blocks: 13208 AfriNIC Region origin ASes present in the Internet Routing Table: 1761 AfriNIC Prefixes per ASN: 22.53 AfriNIC Region origin ASes announcing only one prefix: 632 AfriNIC Region transit ASes present in the Internet Routing Table: 337 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: 1142 Number of AfriNIC addresses announced to Internet: 104464128 Equivalent to 6 /8s, 57 /16s and 255 /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 5655 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4575 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3851 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 2190 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 9724 11334 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 3408 6641 641 COGENT-174, US 749 3193 54919 2445 DNIC-AS-00749, US 16625 3185 1379 2274 AKAMAI-AS, US 367 2922 3631 1405 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 7669 1714 147 UNI2-AS, ES 39891 4625 278 64 ALJAWWALSTC-AS, SA 20940 3854 3395 125 AKAMAI-ASN1, NL 9009 3251 282 1578 M247, RO 12389 2899 2304 906 ROSTELECOM-AS, RU 8551 2649 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 363 591 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1519 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 12361 3321 495 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2507 340 653 Mega Cable, S.A. de C.V., MX 11830 2000 369 64 Instituto Costarricense de Electricidad 28573 1342 2318 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 348 492 Axtel, S.A.B. de C.V., MX 11664 1148 179 424 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 29571 1057 72 133 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 523 55 53 WANANCHI-, KE 36914 489 82 3 KENET-AS, KE 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 12361 3321 495 UNINET, MX 9808 9822 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9724 11334 3375 AMAZON-02, US 12479 7669 1714 147 UNI2-AS, ES 7545 5655 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4625 278 64 ALJAWWALSTC-AS, SA 11492 4587 304 634 CABLEONE, US 18403 4575 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3854 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 7669 7522 UNI2-AS, ES 16509 9724 6349 AMAZON-02, US 7545 5655 4982 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4625 4561 ALJAWWALSTC-AS, SA 18403 4575 4550 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4587 3953 CABLEONE, US 7552 3851 3831 VIETEL-AS-AP Viettel Group, VN 20940 3854 3729 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 /15:2061 /16:13228 /17:8110 /18:13562 /19:24498 /20:43034 /21:50803 /22:109920 /23:98063 /24:568516 /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 6782 7669 UNI2-AS, ES 8151 6371 12361 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 2125 2649 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) ---------------------------------------------- 1:2268 2:1565 3:314 4:6 5:4419 6:162 7:6 8:1498 9:1 11:172 12:1466 13:381 14:2367 15:315 16:210 17:368 18:750 20:355 21:4 22:188 23:6614 24:2708 25:2 27:2634 29:19 31:2627 32:46 34:61 35:122 36:2205 37:4495 38:7406 39:894 40:125 41:3945 42:2193 43:2312 44:315 45:16859 46:4372 47:296 49:1901 50:1900 51:572 52:1586 54:310 55:971 56:5 57:152 58:1973 59:1123 60:1024 61:2607 62:2701 63:1904 64:5512 65:2318 66:4668 67:3046 68:1327 69:4075 70:1195 71:572 72:2891 74:2580 75:1550 76:629 77:2409 78:1844 79:2474 80:2139 81:1914 82:1509 83:1278 84:1640 85:3088 86:826 87:2003 88:1232 89:4022 90:682 91:8000 92:2189 93:2630 94:3637 95:4095 96:1297 97:312 98:1044 99:741 100:92 101:1163 102:3066 103:32462 104:4761 105:571 106:912 107:2759 108:1130 109:4060 110:2140 111:3204 112:2062 113:1764 114:1769 115:2003 116:1870 117:2615 118:2841 119:1957 120:1784 121:1269 122:2683 123:2195 124:1606 125:2831 126:28 128:1404 129:873 130:1082 131:1807 132:806 133:409 134:1714 135:311 136:946 137:1025 138:2810 139:1558 140:1371 141:1348 142:1559 143:1492 144:1013 145:344 146:2014 147:1708 148:2494 149:2562 150:1033 151:1331 152:1970 153:524 154:5844 155:1379 156:2242 157:1602 158:1100 159:2255 160:2509 161:1633 162:3585 163:1705 164:1615 165:2100 166:1066 167:1759 168:3920 169:777 170:4701 171:999 172:3816 173:3026 174:904 175:1216 176:3645 177:4474 178:3583 179:2230 180:2369 181:3668 182:3363 183:2032 184:2263 185:20627 186:4917 187:4403 188:4023 189:4047 190:9324 191:1461 192:10960 193:9028 194:7436 195:5243 196:3087 197:2531 198:5855 199:7487 200:7949 201:6276 202:10207 203:10121 204:4550 205:3695 206:4423 207:3415 208:4124 209:4994 210:4386 211:2475 212:4282 213:3398 214:1070 215:43 216:6749 217:2807 218:1312 219:409 220:1826 221:1029 222:694 223:2206 End of report