IPv4 R&E Routing Table Report 23:05 GMT Mon 03 Mar, 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: 973068 Prefixes after maximum aggregation (per Origin AS): 372810 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 475397 Number of IPv4 prefixes with a valid ROA: 533057 Number of IPv4 prefixes with an invalid ROA: 1097 Number of IPv4 prefixes with no ROA: 438914 Total ASes present in the Internet Routing Table: 76503 Prefixes per ASN: 12.72 Origin-only ASes present in the Internet Routing Table: 65643 Origin ASes announcing only one prefix: 26901 Transit ASes present in the Internet Routing Table: 10860 Transit-only ASes present in the Internet Routing Table: 525 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 972 Number of instances of unregistered ASNs: 973 Number of 32-bit ASNs allocated by the RIRs: 46224 Number of 32-bit ASNs visible in the Routing Table: 37857 Prefixes from 32-bit ASNs in the Routing Table: 198726 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 464 Number of addresses announced to Internet: 3109037824 Equivalent to 185 /8s, 80 /16s and 39 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 319055 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255037 Total APNIC prefixes after maximum aggregation: 76073 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246832 Unique aggregates announced from the APNIC address blocks: 102558 APNIC Region origin ASes present in the Internet Routing Table: 14489 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4429 APNIC Region transit ASes present in the Internet Routing Table: 1954 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10009 Number of APNIC addresses announced to Internet: 749595136 Equivalent to 44 /8s, 173 /16s and 234 /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: 287050 Total ARIN prefixes after maximum aggregation: 127911 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 288035 Unique aggregates announced from the ARIN address blocks: 136003 ARIN Region origin ASes present in the Internet Routing Table: 19185 ARIN Prefixes per ASN: 15.01 ARIN Region origin ASes announcing only one prefix: 7027 ARIN Region transit ASes present in the Internet Routing Table: 1915 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: 5157 Number of ARIN addresses announced to Internet: 1348192512 Equivalent to 80 /8s, 91 /16s and 201 /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: 271653 Total RIPE prefixes after maximum aggregation: 132180 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 269347 Unique aggregates announced from the RIPE address blocks: 172371 RIPE Region origin ASes present in the Internet Routing Table: 28829 RIPE Prefixes per ASN: 9.34 RIPE Region origin ASes announcing only one prefix: 12073 RIPE Region transit ASes present in the Internet Routing Table: 3957 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12270 Number of RIPE addresses announced to Internet: 732768256 Equivalent to 43 /8s, 173 /16s and 40 /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: 29195 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120131 Unique aggregates announced from the LACNIC address blocks: 48834 LACNIC Region origin ASes present in the Internet Routing Table: 11205 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2496 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: 9149 Number of LACNIC addresses announced to Internet: 173683712 Equivalent to 10 /8s, 90 /16s and 52 /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: 35176 Total AfriNIC prefixes after maximum aggregation: 6843 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 48259 Unique aggregates announced from the AfriNIC address blocks: 15232 AfriNIC Region origin ASes present in the Internet Routing Table: 1912 AfriNIC Prefixes per ASN: 25.24 AfriNIC Region origin ASes announcing only one prefix: 700 AfriNIC Region transit ASes present in the Internet Routing Table: 370 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1272 Number of AfriNIC addresses announced to Internet: 104557568 Equivalent to 6 /8s, 59 /16s and 108 /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 10324 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6216 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4372 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4241 530 276 BBIL-AP BHARTI Airtel Ltd., IN 7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3689 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3267 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2847 855 532 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2169 434 196 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 12775 39182 3779 AMAZON-02, US 11492 4705 312 566 CABLEONE, US 7155 4175 286 83 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 174 3416 8767 957 COGENT-174, US 22773 3371 3036 179 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 16625 2954 1252 2179 AKAMAI-AS, US 396982 2935 3660 453 GOOGLE-CLOUD-PLATFORM, US 30036 2554 353 393 MEDIACOM-ENTERPRISE-BUSINESS, 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 7764 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3905 3395 127 AKAMAI-ASN1, NL 9009 3751 320 1921 M247, RO 12389 2983 2303 893 ROSTELECOM-AS, RU 34984 2367 361 580 TELLCOM-AS, TR 212238 2007 145 1483 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1522 1852 14 TE-AS TE-AS, EG 62240 1485 98 744 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 11765 3211 597 UNINET, MX 10620 3547 492 953 Telmex Colombia S.A., CO 13999 2513 539 370 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1350 2436 268 Claro NXT Telecomunicacoes Ltda, BR 3816 1330 781 212 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1173 371 22 Telefonica del Peru S.A.A., PE 11664 1167 278 33 Techtel LMDS Comunicaciones Interactivas 6503 1128 374 163 Axtel, S.A.B. de C.V., MX 22884 1048 82 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1683 599 30 RAYA-AS, EG 24863 1618 389 16 LINKdotNET-AS, EG 29571 1572 99 103 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1022 523 45 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 863 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 544 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 12775 39182 3779 AMAZON-02, US 8151 11765 3211 597 UNINET, MX 9808 10324 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7764 1714 145 UNI2-AS, ES 7545 6216 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4705 312 566 CABLEONE, US 18403 4372 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4241 530 276 BBIL-AP BHARTI Airtel Ltd., IN 7155 4175 286 83 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 11765 11168 UNINET, MX 9808 10324 10236 CHINAMOBILE-CN China Mobile Communications Grou 12479 7764 7619 UNI2-AS, ES 7545 6216 5557 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4372 4347 FPT-AS-AP FPT Telecom Company, VN 11492 4705 4139 CABLEONE, US 7155 4175 4092 VIASAT-SP-BACKBONE, US 9498 4241 3965 BBIL-AP BHARTI Airtel Ltd., IN 7552 3921 3895 VIETEL-AS-AP Viettel Group, VN 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 23.140.16.0/24 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 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 /10:42 /11:92 /12:304 /13:583 /14:1215 /15:2143 /16:13914 /17:8236 /18:13618 /19:24453 /20:43727 /21:51664 /22:111860 /23:100744 /24:600441 /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 6718 7764 UNI2-AS, ES 8151 5976 11765 UNINET, MX 11492 3555 4705 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 22773 2509 3371 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2268 12775 AMAZON-02, US 30036 2214 2554 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2187 3547 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) ---------------------------------------------- 1:2335 2:1503 3:576 4:10 5:4543 6:167 7:6 8:1548 9:1 11:172 12:1377 13:342 14:2512 15:350 16:277 17:355 18:921 20:455 21:4 22:188 23:7278 24:2726 25:2 27:2704 29:19 31:3185 32:35 34:81 35:202 36:2408 37:4569 38:8711 39:897 40:153 41:4207 42:1969 43:2519 44:351 45:18315 46:4999 47:291 49:1978 50:1885 51:590 52:1567 54:301 55:1118 56:9 57:240 58:2216 59:1218 60:1167 61:2821 62:2904 63:1826 64:5497 65:2172 66:4603 67:3038 68:1118 69:3962 70:1103 71:607 72:2867 74:2776 75:1648 76:611 77:2670 78:1852 79:1715 80:2195 81:2012 82:2701 83:1389 84:1799 85:3351 86:1032 87:2158 88:1282 89:4310 90:778 91:8304 92:2797 93:2886 94:3910 95:4248 96:1387 97:318 98:974 99:740 100:71 101:1381 102:3651 103:32259 104:4790 105:744 106:997 107:2592 108:1205 109:4098 110:2226 111:3310 112:2040 113:1807 114:1942 115:2123 116:2033 117:2758 118:2876 119:1945 120:1876 121:1357 122:2753 123:2168 124:1606 125:2884 126:88 128:1547 129:949 130:1262 131:1847 132:788 133:450 134:1507 135:329 136:1307 137:1111 138:2885 139:1626 140:1550 141:1467 142:1822 143:1625 144:1060 145:471 146:2134 147:2071 148:2595 149:2871 150:1240 151:1719 152:2105 153:504 154:7879 155:1598 156:3362 157:1895 158:1260 159:2432 160:3548 161:1927 162:3677 163:1847 164:1695 165:2185 166:1367 167:1876 168:4020 169:791 170:5068 171:1002 172:4414 173:3219 174:913 175:1277 176:3624 177:4695 178:3765 179:2233 180:2563 181:4028 182:3370 183:2071 184:2300 185:21442 186:5075 187:4297 188:4198 189:4189 190:9638 191:1530 192:11141 193:9374 194:7732 195:5492 196:3295 197:3761 198:6068 199:8368 200:8020 201:6290 202:10309 203:10517 204:4531 205:3628 206:4570 207:3461 208:4182 209:5169 210:4505 211:2524 212:4494 213:3739 214:1066 215:42 216:6561 217:3095 218:1335 219:374 220:2101 221:1053 222:718 223:2321 End of report