IPv4 R&E Routing Table Report 23:05 GMT Tue 31 Dec, 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: 966846 Prefixes after maximum aggregation (per Origin AS): 369420 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 469204 Number of IPv4 prefixes with a valid ROA: 519798 Number of IPv4 prefixes with an invalid ROA: 770 Number of IPv4 prefixes with no ROA: 446278 Total ASes present in the Internet Routing Table: 76338 Prefixes per ASN: 12.67 Origin-only ASes present in the Internet Routing Table: 65491 Origin ASes announcing only one prefix: 26823 Transit ASes present in the Internet Routing Table: 10847 Transit-only ASes present in the Internet Routing Table: 520 Paths with bogon ASNs present in the IPv4 Routing Table: 6 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: 1041 Number of instances of unregistered ASNs: 1046 Number of 32-bit ASNs allocated by the RIRs: 45996 Number of 32-bit ASNs visible in the Routing Table: 37533 Prefixes from 32-bit ASNs in the Routing Table: 196232 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: 492 Number of addresses announced to Internet: 3115629824 Equivalent to 185 /8s, 180 /16s and 189 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 316678 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253462 Total APNIC prefixes after maximum aggregation: 76059 APNIC Deaggregation factor: 3.33 Prefixes being announced from the APNIC address blocks: 245097 Unique aggregates announced from the APNIC address blocks: 102313 APNIC Region origin ASes present in the Internet Routing Table: 14409 APNIC Prefixes per ASN: 17.01 APNIC Region origin ASes announcing only one prefix: 4423 APNIC Region transit ASes present in the Internet Routing Table: 1922 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: 9919 Number of APNIC addresses announced to Internet: 756605696 Equivalent to 45 /8s, 24 /16s and 227 /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: 285425 Total ARIN prefixes after maximum aggregation: 126288 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286679 Unique aggregates announced from the ARIN address blocks: 132217 ARIN Region origin ASes present in the Internet Routing Table: 19163 ARIN Prefixes per ASN: 14.96 ARIN Region origin ASes announcing only one prefix: 6979 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: 5089 Number of ARIN addresses announced to Internet: 1344132608 Equivalent to 80 /8s, 29 /16s and 214 /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: 269286 Total RIPE prefixes after maximum aggregation: 130544 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266258 Unique aggregates announced from the RIPE address blocks: 169941 RIPE Region origin ASes present in the Internet Routing Table: 28798 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12091 RIPE Region transit ASes present in the Internet Routing Table: 3959 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: 12163 Number of RIPE addresses announced to Internet: 732884480 Equivalent to 43 /8s, 174 /16s and 238 /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: 123180 Total LACNIC prefixes after maximum aggregation: 29290 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120662 Unique aggregates announced from the LACNIC address blocks: 48781 LACNIC Region origin ASes present in the Internet Routing Table: 11172 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2638 LACNIC Region transit ASes present in the Internet Routing Table: 2488 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: 9097 Number of LACNIC addresses announced to Internet: 177488896 Equivalent to 10 /8s, 148 /16s and 68 /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: 34452 Total AfriNIC prefixes after maximum aggregation: 6589 AfriNIC Deaggregation factor: 5.23 Prefixes being announced from the AfriNIC address blocks: 47658 Unique aggregates announced from the AfriNIC address blocks: 15538 AfriNIC Region origin ASes present in the Internet Routing Table: 1906 AfriNIC Prefixes per ASN: 25.00 AfriNIC Region origin ASes announcing only one prefix: 692 AfriNIC Region transit ASes present in the Internet Routing Table: 360 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: 1265 Number of AfriNIC addresses announced to Internet: 104259328 Equivalent to 6 /8s, 54 /16s and 223 /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 10099 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6196 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4372 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4044 523 272 BBIL-AP BHARTI Airtel Ltd., IN 7552 3911 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3672 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3249 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2823 845 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2219 434 193 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 12469 37784 3186 AMAZON-02, US 11492 4692 312 552 CABLEONE, US 174 4248 8763 872 COGENT-174, US 7155 4165 287 85 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3390 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3244 23514 2058 ATT-INTERNET4, US 396982 2892 3656 438 GOOGLE-CLOUD-PLATFORM, US 16625 2836 1230 2120 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 7700 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3879 3395 125 AKAMAI-ASN1, NL 9009 3726 320 1878 M247, RO 12389 2965 2299 884 ROSTELECOM-AS, RU 34984 2368 360 576 TELLCOM-AS, TR 212238 1847 133 1360 CDNEXT, GB 8452 1629 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1496 98 749 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 11530 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 1170 374 163 Axtel, S.A.B. de C.V., MX 6147 1114 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 1647 389 18 LINKdotNET-AS, EG 29571 1470 93 61 ORANGE-COTE-IVOIRE, CI 36992 1425 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 537 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 12469 37784 3186 AMAZON-02, US 8151 11530 3227 605 UNINET, MX 9808 10099 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7700 1709 143 UNI2-AS, ES 7545 6196 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4692 312 552 CABLEONE, US 18403 4372 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4248 8763 872 COGENT-174, US 7155 4165 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 11530 10925 UNINET, MX 9808 10099 10012 CHINAMOBILE-CN China Mobile Communications Grou 12479 7700 7557 UNI2-AS, ES 7545 6196 5533 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4372 4349 FPT-AS-AP FPT Telecom Company, VN 11492 4692 4140 CABLEONE, US 7155 4165 4080 VIASAT-SP-BACKBONE, US 7552 3911 3886 VIETEL-AS-AP Viettel Group, VN 9498 4044 3772 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 /12:310 /13:588 /14:1219 /15:2146 /16:13921 /17:8192 /18:13628 /19:24483 /20:43707 /21:51719 /22:111572 /23:99885 /24:595309 /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 6672 7700 UNI2-AS, ES 8151 5723 11530 UNINET, MX 11492 3555 4692 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3409 3614 SHAW, CA 7155 3113 4165 VIASAT-SP-BACKBONE, US 22773 2526 3390 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2233 12469 AMAZON-02, US 30036 2225 2564 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 2:1539 3:538 4:9 5:4494 6:165 7:6 8:1545 9:1 11:172 12:1396 13:360 14:2472 15:334 16:269 17:360 18:905 20:446 21:4 22:188 23:7151 24:2728 25:2 27:2657 29:19 31:3038 32:37 34:72 35:175 36:2390 37:4503 38:9019 39:881 40:150 41:4156 42:2037 43:2492 44:341 45:18217 46:4950 47:293 49:1998 50:1868 51:586 52:1574 54:315 55:1022 56:8 57:231 58:2200 59:1179 60:1156 61:2829 62:2882 63:1829 64:5409 65:2211 66:4616 67:3023 68:1284 69:3965 70:1106 71:595 72:2855 74:2774 75:1634 76:627 77:2586 78:1846 79:1696 80:2202 81:2035 82:1790 83:1414 84:1796 85:3202 86:975 87:2155 88:1261 89:4315 90:760 91:8303 92:2736 93:2832 94:3836 95:4196 96:1258 97:308 98:1065 99:732 100:72 101:1364 102:3734 103:32270 104:4429 105:743 106:1012 107:2601 108:1182 109:4061 110:2221 111:3283 112:2036 113:1804 114:1940 115:2108 116:2008 117:2664 118:2878 119:1952 120:1857 121:1327 122:2731 123:2162 124:1588 125:2801 126:62 128:1558 129:938 130:1256 131:1843 132:796 133:450 134:1511 135:323 136:1314 137:1091 138:2887 139:1529 140:1510 141:1462 142:1816 143:1588 144:1027 145:430 146:2117 147:2032 148:2577 149:2829 150:1194 151:1530 152:2103 153:500 154:8105 155:1578 156:3494 157:1860 158:1250 159:2426 160:3429 161:1752 162:3606 163:1774 164:1683 165:2152 166:1344 167:1862 168:4087 169:797 170:5043 171:1000 172:3998 173:3167 174:914 175:1277 176:3573 177:4856 178:3721 179:2254 180:2524 181:3974 182:3351 183:2068 184:2251 185:21278 186:5064 187:4225 188:4222 189:4106 190:9595 191:1563 192:11202 193:9290 194:7674 195:5410 196:3197 197:3605 198:5963 199:8271 200:8036 201:6291 202:10286 203:10455 204:4599 205:3654 206:4618 207:3490 208:4188 209:5078 210:4458 211:2496 212:4501 213:3757 214:1053 215:48 216:6596 217:3084 218:1321 219:373 220:2106 221:1050 222:675 223:2285 End of report