IPv4 R&E Routing Table Report 23:05 GMT Wed 01 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: 967082 Prefixes after maximum aggregation (per Origin AS): 369483 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 469323 Number of IPv4 prefixes with a valid ROA: 519650 Number of IPv4 prefixes with an invalid ROA: 1111 Number of IPv4 prefixes with no ROA: 446321 Total ASes present in the Internet Routing Table: 76339 Prefixes per ASN: 12.67 Origin-only ASes present in the Internet Routing Table: 65481 Origin ASes announcing only one prefix: 26810 Transit ASes present in the Internet Routing Table: 10858 Transit-only ASes present in the Internet Routing Table: 523 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: 1049 Number of instances of unregistered ASNs: 1054 Number of 32-bit ASNs allocated by the RIRs: 45997 Number of 32-bit ASNs visible in the Routing Table: 37532 Prefixes from 32-bit ASNs in the Routing Table: 196101 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: 3115728640 Equivalent to 185 /8s, 182 /16s and 63 /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: 316592 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253763 Total APNIC prefixes after maximum aggregation: 76110 APNIC Deaggregation factor: 3.33 Prefixes being announced from the APNIC address blocks: 245392 Unique aggregates announced from the APNIC address blocks: 102408 APNIC Region origin ASes present in the Internet Routing Table: 14405 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4414 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: 9915 Number of APNIC addresses announced to Internet: 756540672 Equivalent to 45 /8s, 23 /16s and 229 /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: 285584 Total ARIN prefixes after maximum aggregation: 126326 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286814 Unique aggregates announced from the ARIN address blocks: 132233 ARIN Region origin ASes present in the Internet Routing Table: 19163 ARIN Prefixes per ASN: 14.97 ARIN Region origin ASes announcing only one prefix: 6974 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: 5090 Number of ARIN addresses announced to Internet: 1344211456 Equivalent to 80 /8s, 31 /16s and 10 /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: 269217 Total RIPE prefixes after maximum aggregation: 130539 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266202 Unique aggregates announced from the RIPE address blocks: 169926 RIPE Region origin ASes present in the Internet Routing Table: 28804 RIPE Prefixes per ASN: 9.24 RIPE Region origin ASes announcing only one prefix: 12094 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: 12168 Number of RIPE addresses announced to Internet: 732974336 Equivalent to 43 /8s, 176 /16s and 77 /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: 123038 Total LACNIC prefixes after maximum aggregation: 29266 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 120529 Unique aggregates announced from the LACNIC address blocks: 48791 LACNIC Region origin ASes present in the Internet Routing Table: 11167 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2638 LACNIC Region transit ASes present in the Internet Routing Table: 2493 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: 9096 Number of LACNIC addresses announced to Internet: 177486336 Equivalent to 10 /8s, 148 /16s and 58 /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: 34431 Total AfriNIC prefixes after maximum aggregation: 6587 AfriNIC Deaggregation factor: 5.23 Prefixes being announced from the AfriNIC address blocks: 47653 Unique aggregates announced from the AfriNIC address blocks: 15551 AfriNIC Region origin ASes present in the Internet Routing Table: 1903 AfriNIC Prefixes per ASN: 25.04 AfriNIC Region origin ASes announcing only one prefix: 690 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: 1263 Number of AfriNIC addresses announced to Internet: 104257024 Equivalent to 6 /8s, 54 /16s and 214 /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 6195 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4362 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4051 523 273 BBIL-AP BHARTI Airtel Ltd., IN 7552 3903 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3249 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2827 845 539 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 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 3245 23514 2059 ATT-INTERNET4, US 396982 2892 3656 438 GOOGLE-CLOUD-PLATFORM, US 16625 2837 1230 2121 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 3725 320 1877 M247, RO 12389 2965 2299 884 ROSTELECOM-AS, RU 34984 2368 360 576 TELLCOM-AS, TR 212238 1846 133 1359 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 1334 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1168 374 163 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 1666 593 29 RAYA-AS, EG 24863 1643 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 559 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 6195 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4692 312 552 CABLEONE, US 18403 4362 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 6195 5532 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4362 4339 FPT-AS-AP FPT Telecom Company, VN 11492 4692 4140 CABLEONE, US 7155 4165 4080 VIASAT-SP-BACKBONE, US 7552 3903 3878 VIETEL-AS-AP Viettel Group, VN 9498 4051 3778 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 23.131.172.0/24 Origin: 61961 NELLICUS-NETWORKS-, US 23.131.172.0/24 Transit: 40217 DACSNX-ISP, 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 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 /13:589 /14:1219 /15:2146 /16:13922 /17:8193 /18:13628 /19:24485 /20:43694 /21:51718 /22:111588 /23:99899 /24:595524 /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 2234 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 5:4493 6:165 7:6 8:1547 9:1 11:172 12:1396 13:360 14:2469 15:334 16:269 17:359 18:905 20:446 21:4 22:188 23:7156 24:2729 25:2 27:2659 29:19 31:3017 32:37 34:72 35:175 36:2390 37:4498 38:9009 39:881 40:150 41:4132 42:2030 43:2486 44:342 45:18227 46:4943 47:293 49:1995 50:1868 51:587 52:1574 54:315 55:1023 56:8 57:231 58:2199 59:1179 60:1156 61:2837 62:2882 63:1829 64:5414 65:2212 66:4623 67:3019 68:1285 69:3972 70:1106 71:595 72:2856 74:2775 75:1634 76:627 77:2581 78:1846 79:1694 80:2203 81:2036 82:1790 83:1414 84:1794 85:3190 86:975 87:2156 88:1263 89:4307 90:760 91:8298 92:2735 93:2832 94:3838 95:4188 96:1258 97:308 98:1065 99:732 100:72 101:1366 102:3738 103:32359 104:4426 105:743 106:1012 107:2601 108:1183 109:4069 110:2218 111:3321 112:2036 113:1807 114:1936 115:2145 116:2009 117:2690 118:2877 119:1952 120:1857 121:1330 122:2734 123:2162 124:1588 125:2816 126:62 128:1559 129:938 130:1255 131:1842 132:795 133:450 134:1508 135:323 136:1335 137:1093 138:2884 139:1546 140:1516 141:1463 142:1816 143:1581 144:1026 145:430 146:2118 147:2031 148:2579 149:2829 150:1192 151:1528 152:2105 153:500 154:8104 155:1577 156:3494 157:1855 158:1250 159:2427 160:3428 161:1756 162:3613 163:1774 164:1685 165:2153 166:1344 167:1862 168:4086 169:799 170:5042 171:1000 172:4001 173:3185 174:914 175:1278 176:3573 177:4834 178:3720 179:2235 180:2523 181:3978 182:3351 183:2067 184:2256 185:21289 186:5034 187:4214 188:4214 189:4086 190:9596 191:1565 192:11202 193:9291 194:7675 195:5410 196:3191 197:3624 198:5973 199:8281 200:8045 201:6288 202:10305 203:10478 204:4598 205:3636 206:4620 207:3494 208:4194 209:5083 210:4475 211:2496 212:4501 213:3757 214:1054 215:48 216:6597 217:3084 218:1321 219:373 220:2107 221:1050 222:675 223:2285 End of report