IPv4 R&E Routing Table Report 23:05 GMT Sat 04 Jan, 2025 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: 967262 Prefixes after maximum aggregation (per Origin AS): 369844 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 470255 Number of IPv4 prefixes with a valid ROA: 520338 Number of IPv4 prefixes with an invalid ROA: 1022 Number of IPv4 prefixes with no ROA: 445902 Total ASes present in the Internet Routing Table: 76312 Prefixes per ASN: 12.68 Origin-only ASes present in the Internet Routing Table: 65463 Origin ASes announcing only one prefix: 26801 Transit ASes present in the Internet Routing Table: 10849 Transit-only ASes present in the Internet Routing Table: 519 Paths with bogon ASNs present in the IPv4 Routing Table: 8 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1050 Number of instances of unregistered ASNs: 1055 Number of 32-bit ASNs allocated by the RIRs: 46004 Number of 32-bit ASNs visible in the Routing Table: 37523 Prefixes from 32-bit ASNs in the Routing Table: 196251 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 490 Number of addresses announced to Internet: 3119681024 Equivalent to 185 /8s, 242 /16s and 142 /24s Percentage of available address space announced: 84.3 Percentage of allocated address space announced: 84.3 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: 316595 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253789 Total APNIC prefixes after maximum aggregation: 76102 APNIC Deaggregation factor: 3.33 Prefixes being announced from the APNIC address blocks: 245382 Unique aggregates announced from the APNIC address blocks: 102443 APNIC Region origin ASes present in the Internet Routing Table: 14407 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 4409 APNIC Region transit ASes present in the Internet Routing Table: 1923 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9913 Number of APNIC addresses announced to Internet: 756612864 Equivalent to 45 /8s, 24 /16s and 255 /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: 285656 Total ARIN prefixes after maximum aggregation: 126387 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286908 Unique aggregates announced from the ARIN address blocks: 132586 ARIN Region origin ASes present in the Internet Routing Table: 19155 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1930 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5094 Number of ARIN addresses announced to Internet: 1348430592 Equivalent to 80 /8s, 95 /16s and 107 /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, 393216-402332 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 269196 Total RIPE prefixes after maximum aggregation: 130572 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266183 Unique aggregates announced from the RIPE address blocks: 169999 RIPE Region origin ASes present in the Internet Routing Table: 28784 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12081 RIPE Region transit ASes present in the Internet Routing Table: 3958 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 47 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12160 Number of RIPE addresses announced to Internet: 732923648 Equivalent to 43 /8s, 175 /16s and 135 /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, 53/8, 57/8, 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: 123039 Total LACNIC prefixes after maximum aggregation: 29530 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 120527 Unique aggregates announced from the LACNIC address blocks: 49218 LACNIC Region origin ASes present in the Internet Routing Table: 11166 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2641 LACNIC Region transit ASes present in the Internet Routing Table: 2489 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9093 Number of LACNIC addresses announced to Internet: 177192960 Equivalent to 10 /8s, 143 /16s and 192 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 34532 Total AfriNIC prefixes after maximum aggregation: 6595 AfriNIC Deaggregation factor: 5.24 Prefixes being announced from the AfriNIC address blocks: 47772 Unique aggregates announced from the AfriNIC address blocks: 15597 AfriNIC Region origin ASes present in the Internet Routing Table: 1905 AfriNIC Prefixes per ASN: 25.08 AfriNIC Region origin ASes announcing only one prefix: 692 AfriNIC Region transit ASes present in the Internet Routing Table: 363 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1263 Number of AfriNIC addresses announced to Internet: 104256256 Equivalent to 6 /8s, 54 /16s and 211 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10098 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6195 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4327 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4058 523 274 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3248 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2830 845 540 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2220 434 194 TATACOMM-AS TATA Communications formerly 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 12591 38848 3277 AMAZON-02, US 11492 4692 312 552 CABLEONE, US 174 4245 8763 869 COGENT-174, US 7155 4171 287 85 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3388 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3243 23513 2058 ATT-INTERNET4, US 396982 2892 3656 438 GOOGLE-CLOUD-PLATFORM, US 16625 2835 1226 2122 AKAMAI-AS, 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 7698 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3880 3395 125 AKAMAI-ASN1, NL 9009 3752 322 1896 M247, RO 12389 2965 2299 884 ROSTELECOM-AS, RU 34984 2368 360 576 TELLCOM-AS, TR 212238 1842 132 1357 CDNEXT, GB 8452 1630 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1497 99 750 CLOUVIDER Clouvider - Global ASN, 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 11535 3227 605 UNINET, MX 10620 3548 494 936 Telmex Colombia S.A., CO 13999 2531 538 368 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad y 28573 1332 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1139 315 486 Axtel, S.A.B. de C.V., MX 6147 1115 371 22 Telefonica del Peru S.A.A., PE 22884 1073 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1001 2503 53 TIM SA, BR 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 1669 593 29 RAYA-AS, EG 24863 1643 389 18 LINKdotNET-AS, EG 29571 1483 94 56 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1001 521 42 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 832 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 534 82 3 KENET-AS, KE 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 16509 12591 38848 3277 AMAZON-02, US 8151 11535 3227 605 UNINET, MX 9808 10098 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7698 1709 143 UNI2-AS, ES 7545 6195 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4692 312 552 CABLEONE, US 18403 4327 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4245 8763 869 COGENT-174, US 7155 4171 287 85 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 8151 11535 10930 UNINET, MX 9808 10098 10011 CHINAMOBILE-CN China Mobile Communications Grou 12479 7698 7555 UNI2-AS, ES 7545 6195 5532 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4327 4304 FPT-AS-AP FPT Telecom Company, VN 11492 4692 4140 CABLEONE, US 7155 4171 4086 VIASAT-SP-BACKBONE, US 7552 3912 3887 VIETEL-AS-AP Viettel Group, VN 9498 4058 3784 BBIL-AP BHARTI Airtel Ltd., IN 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6461 ZAYO-6461, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, 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 /9:16 /10:42 /11:93 /12:311 /13:590 /14:1218 /15:2148 /16:13940 /17:8191 /18:13632 /19:24453 /20:43749 /21:51713 /22:111581 /23:99781 /24:595788 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6670 7698 UNI2-AS, ES 8151 5728 11535 UNINET, MX 11492 3555 4692 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3409 3614 SHAW, CA 7155 3119 4171 VIASAT-SP-BACKBONE, US 22773 2523 3388 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2254 12591 AMAZON-02, US 30036 2226 2565 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2178 3548 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2289 2:1538 3:538 4:9 5:4499 6:165 7:6 8:1550 9:1 11:172 12:1392 13:359 14:2472 15:334 16:270 17:359 18:906 20:447 21:4 22:188 23:7154 24:2729 25:2 27:2662 29:19 31:3032 32:37 34:72 35:176 36:2393 37:4502 38:8978 39:883 40:151 41:4145 42:1989 43:2488 44:340 45:18270 46:4951 47:290 49:2002 50:1864 51:587 52:1574 54:315 55:1029 56:8 57:232 58:2199 59:1179 60:1157 61:2838 62:2881 63:1829 64:5410 65:2208 66:4623 67:3022 68:1285 69:3976 70:1107 71:599 72:2855 74:2776 75:1638 76:627 77:2587 78:1846 79:1692 80:2202 81:2037 82:1794 83:1414 84:1797 85:3202 86:977 87:2153 88:1265 89:4312 90:760 91:8291 92:2739 93:2830 94:3838 95:4185 96:1257 97:308 98:1063 99:736 100:72 101:1368 102:3751 103:32341 104:4464 105:750 106:1013 107:2601 108:1185 109:4069 110:2213 111:3322 112:2036 113:1793 114:1937 115:2157 116:2009 117:2682 118:2881 119:1952 120:1859 121:1330 122:2734 123:2163 124:1588 125:2822 126:62 128:1556 129:938 130:1257 131:1848 132:799 133:450 134:1512 135:323 136:1337 137:1091 138:2899 139:1553 140:1515 141:1450 142:1820 143:1590 144:1027 145:434 146:2117 147:2031 148:2581 149:2832 150:1188 151:1570 152:2106 153:500 154:8121 155:1577 156:3508 157:1856 158:1253 159:2429 160:3435 161:1766 162:3610 163:1771 164:1678 165:2152 166:1343 167:1860 168:4068 169:797 170:5051 171:1000 172:3997 173:3185 174:914 175:1279 176:3566 177:4832 178:3720 179:2239 180:2522 181:3980 182:3349 183:2070 184:2256 185:21293 186:5053 187:4219 188:4220 189:4084 190:9594 191:1551 192:11204 193:9293 194:7663 195:5408 196:3244 197:3617 198:5975 199:8280 200:8032 201:6272 202:10319 203:10470 204:4599 205:3660 206:4619 207:3491 208:4190 209:5082 210:4476 211:2494 212:4507 213:3759 214:1053 215:48 216:6603 217:3071 218:1323 219:375 220:2107 221:1051 222:676 223:2285 End of report