IPv4 R&E Routing Table Report 23:05 GMT Fri 11 Apr, 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: 975417 Prefixes after maximum aggregation (per Origin AS): 375129 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 476994 Number of IPv4 prefixes with a valid ROA: 537875 Number of IPv4 prefixes with an invalid ROA: 688 Number of IPv4 prefixes with no ROA: 436854 Total ASes present in the Internet Routing Table: 76637 Prefixes per ASN: 12.73 Origin-only ASes present in the Internet Routing Table: 65746 Origin ASes announcing only one prefix: 26894 Transit ASes present in the Internet Routing Table: 10891 Transit-only ASes present in the Internet Routing Table: 536 Paths with bogon ASNs present in the IPv4 Routing Table: 24 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1091 Number of instances of unregistered ASNs: 1097 Number of 32-bit ASNs allocated by the RIRs: 46168 Number of 32-bit ASNs visible in the Routing Table: 38043 Prefixes from 32-bit ASNs in the Routing Table: 200138 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 457 Number of addresses announced to Internet: 3106461696 Equivalent to 185 /8s, 40 /16s and 216 /24s Percentage of available address space announced: 83.9 Percentage of allocated address space announced: 83.9 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: 320271 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255186 Total APNIC prefixes after maximum aggregation: 76482 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246979 Unique aggregates announced from the APNIC address blocks: 102761 APNIC Region origin ASes present in the Internet Routing Table: 14532 APNIC Prefixes per ASN: 17.00 APNIC Region origin ASes announcing only one prefix: 4441 APNIC Region transit ASes present in the Internet Routing Table: 1968 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 55 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10059 Number of APNIC addresses announced to Internet: 748429568 Equivalent to 44 /8s, 156 /16s and 33 /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, 131072-155961 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: 287925 Total ARIN prefixes after maximum aggregation: 128774 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 288873 Unique aggregates announced from the ARIN address blocks: 137533 ARIN Region origin ASes present in the Internet Routing Table: 19196 ARIN Prefixes per ASN: 15.05 ARIN Region origin ASes announcing only one prefix: 7029 ARIN Region transit ASes present in the Internet Routing Table: 1907 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5171 Number of ARIN addresses announced to Internet: 1349352704 Equivalent to 80 /8s, 109 /16s and 125 /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: 272691 Total RIPE prefixes after maximum aggregation: 133242 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 270602 Unique aggregates announced from the RIPE address blocks: 173632 RIPE Region origin ASes present in the Internet Routing Table: 28875 RIPE Prefixes per ASN: 9.37 RIPE Region origin ASes announcing only one prefix: 12061 RIPE Region transit ASes present in the Internet Routing Table: 3971 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12368 Number of RIPE addresses announced to Internet: 731618048 Equivalent to 43 /8s, 155 /16s and 155 /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: 123187 Total LACNIC prefixes after maximum aggregation: 29232 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119870 Unique aggregates announced from the LACNIC address blocks: 48873 LACNIC Region origin ASes present in the Internet Routing Table: 11218 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2474 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9171 Number of LACNIC addresses announced to Internet: 171776768 Equivalent to 10 /8s, 61 /16s and 27 /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: 35337 Total AfriNIC prefixes after maximum aggregation: 6743 AfriNIC Deaggregation factor: 5.24 Prefixes being announced from the AfriNIC address blocks: 48636 Unique aggregates announced from the AfriNIC address blocks: 13804 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 25.46 AfriNIC Region origin ASes announcing only one prefix: 692 AfriNIC Region transit ASes present in the Internet Routing Table: 372 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1274 Number of AfriNIC addresses announced to Internet: 105049344 Equivalent to 6 /8s, 66 /16s and 237 /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 10306 8753 89 CHINAMOBILE-CN China Mobile Communication 7545 6214 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4281 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4266 530 276 BBIL-AP BHARTI Airtel Ltd., IN 7552 3922 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3672 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3265 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2854 849 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2205 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2175 434 197 TATACOMM-AS TATA Communications formerly 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 13159 39690 4082 AMAZON-02, US 11492 4693 311 586 CABLEONE, US 7155 3829 286 85 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 174 3509 8765 953 COGENT-174, US 22773 3398 3036 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54879 2506 DNIC-AS-00749, US 16625 2973 1246 2203 AKAMAI-AS, US 396982 2951 3649 468 GOOGLE-CLOUD-PLATFORM, US 36352 2647 218 804 AS-COLOCROSSING, 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 7706 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3911 3395 125 AKAMAI-ASN1, NL 9009 3757 324 1953 M247, RO 12389 3067 2303 887 ROSTELECOM-AS, RU 34984 2362 360 580 TELLCOM-AS, TR 212238 2089 148 1539 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1592 1852 14 TE-AS TE-AS, EG 62240 1481 98 745 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 11934 3245 583 UNINET, MX 10620 3536 487 974 Telmex Colombia S.A., CO 13999 2513 539 364 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1357 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1193 371 21 Telefonica del Peru S.A.A., PE 11664 1181 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1050 67 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1043 374 163 Axtel, S.A.B. de C.V., MX 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 1702 599 30 RAYA-AS, EG 24863 1643 389 16 LINKdotNET-AS, EG 29571 1580 102 22 ORANGE-COTE-IVOIRE, CI 36992 1430 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1028 523 45 Vodafone-, EG 20011 981 185 285 INTERNET-SOLUTIONS, ZA 37069 932 1099 15 MOBINIL, EG 6713 562 1861 35 IAM-AS, MA 36914 546 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 13159 39690 4082 AMAZON-02, US 8151 11934 3245 583 UNINET, MX 9808 10306 8753 89 CHINAMOBILE-CN China Mobile Communication 12479 7706 1714 145 UNI2-AS, ES 7545 6214 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4693 311 586 CABLEONE, US 18403 4281 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4266 530 276 BBIL-AP BHARTI Airtel Ltd., IN 7552 3922 1332 26 VIETEL-AS-AP Viettel Group, VN 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 11934 11351 UNINET, MX 9808 10306 10217 CHINAMOBILE-CN China Mobile Communications Grou 12479 7706 7561 UNI2-AS, ES 7545 6214 5558 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4281 4256 FPT-AS-AP FPT Telecom Company, VN 11492 4693 4107 CABLEONE, US 9498 4266 3990 BBIL-AP BHARTI Airtel Ltd., IN 7552 3922 3896 VIETEL-AS-AP Viettel Group, VN 20940 3911 3786 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 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 46639 UNALLOCATED 8.38.73.0/24 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 23.137.68.0/24 Origin: 63129 AIRRABBIT-NETWORK, US 23.137.68.0/24 Transit: 6939 HURRICANE, US 23.137.100.0/24 Origin: 401616 PNL, US 23.137.100.0/24 Transit: 213622 BAREMETAL, AE 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 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 /10:41 /11:93 /12:301 /13:581 /14:1215 /15:2139 /16:13892 /17:8227 /18:13661 /19:24461 /20:43603 /21:51588 /22:111769 /23:101109 /24:602705 /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 6628 7706 UNI2-AS, ES 8151 6139 11934 UNINET, MX 11492 3531 4693 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 2787 3829 VIASAT-SP-BACKBONE, US 22773 2534 3398 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2332 13159 AMAZON-02, US 30036 2213 2553 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2198 3536 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) ---------------------------------------------- 1:2341 2:1516 3:614 4:10 5:4617 6:163 7:6 8:1548 9:1 11:172 12:1370 13:351 14:2509 15:352 16:279 17:365 18:923 20:481 21:4 22:188 23:7378 24:2838 25:2 27:2727 29:19 31:3233 32:37 34:83 35:203 36:2398 37:4658 38:8839 39:897 40:160 41:4228 42:1909 43:2555 44:371 45:18439 46:4968 47:287 49:1924 50:1899 51:590 52:1553 54:299 55:876 56:11 57:248 58:2198 59:1253 60:1171 61:2818 62:2892 63:1826 64:5497 65:2174 66:4622 67:3062 68:1123 69:3978 70:1066 71:612 72:2828 74:2793 75:1604 76:613 77:2736 78:1868 79:1742 80:2193 81:2026 82:3114 83:1420 84:1831 85:3397 86:1040 87:2147 88:1281 89:4324 90:776 91:8312 92:2782 93:2887 94:4072 95:4314 96:1444 97:313 98:995 99:643 100:71 101:1400 102:3749 103:32148 104:4761 105:758 106:989 107:2589 108:1198 109:4094 110:2235 111:3357 112:2042 113:1809 114:1968 115:2174 116:2033 117:2735 118:2895 119:1941 120:1870 121:1364 122:2745 123:2160 124:1611 125:2856 126:91 128:1551 129:958 130:1258 131:1890 132:778 133:451 134:1523 135:332 136:1301 137:1105 138:2877 139:1605 140:1571 141:1482 142:1842 143:1635 144:1076 145:515 146:2154 147:2105 148:2658 149:2901 150:1244 151:1740 152:2097 153:503 154:7960 155:1636 156:3196 157:1885 158:1273 159:2438 160:3562 161:1893 162:3723 163:2010 164:1696 165:2203 166:1452 167:1876 168:4046 169:785 170:5087 171:1003 172:4450 173:3225 174:909 175:1292 176:3679 177:4678 178:3785 179:2301 180:2583 181:4055 182:3367 183:2056 184:2135 185:21485 186:5087 187:4401 188:4188 189:4174 190:9615 191:1462 192:11190 193:9414 194:7779 195:5505 196:3286 197:3708 198:6054 199:8449 200:8061 201:6279 202:10321 203:10516 204:4518 205:3621 206:4576 207:3438 208:4191 209:5143 210:4502 211:2530 212:4505 213:3761 214:1034 215:48 216:6608 217:3097 218:1331 219:377 220:2087 221:1067 222:716 223:2321 End of report