IPv4 R&E Routing Table Report 23:05 GMT Tue 12 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: 934683 Prefixes after maximum aggregation (per Origin AS): 357391 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 458159 Number of IPv4 prefixes with a valid ROA: 452541 Number of IPv4 prefixes with an invalid ROA: 1070 Number of IPv4 prefixes with no ROA: 481072 Total ASes present in the Internet Routing Table: 75330 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64831 Origin ASes announcing only one prefix: 26617 Transit ASes present in the Internet Routing Table: 10499 Transit-only ASes present in the Internet Routing Table: 474 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN (2485408) 56 Prefixes from unregistered ASNs in the Routing Table: 1055 Number of instances of unregistered ASNs: 1112 Number of 32-bit ASNs allocated by the RIRs: 43825 Number of 32-bit ASNs visible in the Routing Table: 35967 Prefixes from 32-bit ASNs in the Routing Table: 181404 Number of bogon 32-bit ASNs visible in the Routing Table: 121 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 535 Number of addresses announced to Internet: 3042671104 Equivalent to 181 /8s, 91 /16s and 122 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 308548 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246382 Total APNIC prefixes after maximum aggregation: 72211 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239188 Unique aggregates announced from the APNIC address blocks: 99791 APNIC Region origin ASes present in the Internet Routing Table: 13948 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4225 APNIC Region transit ASes present in the Internet Routing Table: 1850 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9379 Number of APNIC addresses announced to Internet: 774048256 Equivalent to 46 /8s, 35 /16s and 10 /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: 272929 Total ARIN prefixes after maximum aggregation: 123562 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277659 Unique aggregates announced from the ARIN address blocks: 132625 ARIN Region origin ASes present in the Internet Routing Table: 19082 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1904 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: 4856 Number of ARIN addresses announced to Internet: 1270068224 Equivalent to 75 /8s, 179 /16s and 180 /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: 262955 Total RIPE prefixes after maximum aggregation: 126106 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257569 Unique aggregates announced from the RIPE address blocks: 162329 RIPE Region origin ASes present in the Internet Routing Table: 28567 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12134 RIPE Region transit ASes present in the Internet Routing Table: 3894 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: 11648 Number of RIPE addresses announced to Internet: 714571776 Equivalent to 42 /8s, 151 /16s and 128 /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: 120925 Total LACNIC prefixes after maximum aggregation: 28747 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119382 Unique aggregates announced from the LACNIC address blocks: 49527 LACNIC Region origin ASes present in the Internet Routing Table: 11058 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2631 LACNIC Region transit ASes present in the Internet Routing Table: 2357 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: 8912 Number of LACNIC addresses announced to Internet: 177419520 Equivalent to 10 /8s, 147 /16s and 53 /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: 30437 Total AfriNIC prefixes after maximum aggregation: 6058 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 40350 Unique aggregates announced from the AfriNIC address blocks: 13471 AfriNIC Region origin ASes present in the Internet Routing Table: 1810 AfriNIC Prefixes per ASN: 22.29 AfriNIC Region origin ASes announcing only one prefix: 649 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1172 Number of AfriNIC addresses announced to Internet: 106253312 Equivalent to 6 /8s, 85 /16s and 76 /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 9808 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5653 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4571 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 3509 495 250 BBIL-AP BHARTI Airtel Ltd., IN 45899 3285 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2753 863 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2191 434 196 TATACOMM-AS TATA Communications formerl 45090 2150 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 9688 11329 3346 AMAZON-02, US 11492 4579 304 644 CABLEONE, US 7155 4179 288 95 VIASAT-SP-BACKBONE, US 22773 3601 3044 291 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3596 1320 75 SHAW, CA 174 3341 6644 671 COGENT-174, US 749 3200 54920 2452 DNIC-AS-00749, US 16625 3167 1374 2268 AKAMAI-AS, US 367 2919 3648 1404 DNIC-ASBLK-00306-00371, US 396982 2755 3638 405 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 7609 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3854 3395 125 AKAMAI-ASN1, NL 9009 3264 283 1593 M247, RO 12389 2894 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 1521 1852 14 TE-AS TE-AS, EG 44477 1491 98 712 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 12567 3377 499 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2505 339 652 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 1208 349 490 Axtel, S.A.B. de C.V., MX 11664 1143 179 424 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1066 114 380 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 1520 389 20 LINKdotNET-AS, EG 36992 1368 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1172 75 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 520 55 53 WANANCHI-, KE 36914 489 82 3 KENET-AS, KE 24757 427 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 12567 3377 499 UNINET, MX 9808 9808 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9688 11329 3346 AMAZON-02, US 12479 7609 1714 147 UNI2-AS, ES 7545 5653 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4579 304 644 CABLEONE, US 18403 4571 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4179 288 95 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 9808 9756 CHINAMOBILE-CN China Mobile Communications Grou 12479 7609 7462 UNI2-AS, ES 16509 9688 6342 AMAZON-02, US 7545 5653 4979 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4571 4546 FPT-AS-AP FPT Telecom Company, VN 7155 4179 4084 VIASAT-SP-BACKBONE, US 11492 4579 3935 CABLEONE, US 7552 3839 3819 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: 136800 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3491 BTN-ASN, US 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 /11:98 /12:300 /13:574 /14:1192 /15:2058 /16:13335 /17:8106 /18:13575 /19:24525 /20:43070 /21:50848 /22:110069 /23:98106 /24:568753 /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 6723 7609 UNI2-AS, ES 8151 6484 12567 UNINET, MX 11492 3492 4579 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3394 3596 SHAW, CA 7155 3124 4179 VIASAT-SP-BACKBONE, US 22773 2648 3601 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2505 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) ---------------------------------------------- 1:2267 2:1561 3:311 4:6 5:4505 6:162 7:6 8:1497 9:1 11:172 12:1468 13:380 14:2356 15:312 16:208 17:368 18:745 20:354 21:4 22:188 23:6606 24:2700 25:2 27:2629 29:19 31:2641 32:46 34:46 35:122 36:2202 37:4489 38:7381 39:894 40:140 41:4062 42:2198 43:2300 44:319 45:16841 46:4356 47:295 49:1894 50:1902 51:572 52:1587 54:311 55:882 56:5 57:152 58:1972 59:1121 60:1022 61:2610 62:2692 63:1900 64:5517 65:2320 66:4665 67:3051 68:1339 69:4061 70:1196 71:573 72:2899 74:2576 75:1550 76:631 77:2399 78:1843 79:2475 80:2159 81:1935 82:1502 83:1255 84:1644 85:3082 86:830 87:1979 88:1240 89:4008 90:681 91:7980 92:2182 93:2629 94:3638 95:4108 96:1289 97:312 98:1034 99:739 100:92 101:1162 102:3075 103:32458 104:4768 105:635 106:928 107:2751 108:1128 109:4062 110:2138 111:3188 112:2059 113:1760 114:1770 115:2000 116:1876 117:2616 118:2813 119:1956 120:1784 121:1268 122:2677 123:2195 124:1606 125:2832 126:28 128:1444 129:913 130:1085 131:1799 132:805 133:410 134:1706 135:313 136:934 137:1022 138:2793 139:1557 140:1370 141:1355 142:1553 143:1476 144:1015 145:340 146:2024 147:1705 148:2493 149:2526 150:1084 151:1327 152:1971 153:525 154:5811 155:1361 156:2237 157:1595 158:1098 159:2231 160:2593 161:1631 162:3596 163:1704 164:1619 165:2110 166:1067 167:1707 168:3916 169:784 170:4696 171:991 172:3828 173:3030 174:899 175:1215 176:3648 177:4471 178:3572 179:2229 180:2371 181:3674 182:3393 183:2027 184:2262 185:20584 186:4916 187:4417 188:4022 189:4076 190:9311 191:1434 192:10942 193:9029 194:7435 195:5246 196:3137 197:2550 198:5907 199:7428 200:7988 201:6352 202:10186 203:10134 204:4557 205:3712 206:4445 207:3413 208:4135 209:4982 210:4382 211:2475 212:4317 213:3405 214:1106 215:44 216:6759 217:2818 218:1312 219:409 220:1826 221:1023 222:695 223:2206 End of report