IPv4 R&E Routing Table Report 23:05 GMT Sat 01 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: 972710 Prefixes after maximum aggregation (per Origin AS): 372581 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 475293 Number of IPv4 prefixes with a valid ROA: 532674 Number of IPv4 prefixes with an invalid ROA: 1105 Number of IPv4 prefixes with no ROA: 438931 Total ASes present in the Internet Routing Table: 76517 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65655 Origin ASes announcing only one prefix: 26903 Transit ASes present in the Internet Routing Table: 10862 Transit-only ASes present in the Internet Routing Table: 527 Paths with bogon ASNs present in the IPv4 Routing Table: 9 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: 960 Number of instances of unregistered ASNs: 965 Number of 32-bit ASNs allocated by the RIRs: 46217 Number of 32-bit ASNs visible in the Routing Table: 37870 Prefixes from 32-bit ASNs in the Routing Table: 198912 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: 459 Number of addresses announced to Internet: 3109096448 Equivalent to 185 /8s, 81 /16s and 12 /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: 319050 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254993 Total APNIC prefixes after maximum aggregation: 76150 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246908 Unique aggregates announced from the APNIC address blocks: 102620 APNIC Region origin ASes present in the Internet Routing Table: 14499 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 4430 APNIC Region transit ASes present in the Internet Routing Table: 1956 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: 10022 Number of APNIC addresses announced to Internet: 749707520 Equivalent to 44 /8s, 175 /16s and 161 /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: 286687 Total ARIN prefixes after maximum aggregation: 127588 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287820 Unique aggregates announced from the ARIN address blocks: 136003 ARIN Region origin ASes present in the Internet Routing Table: 19183 ARIN Prefixes per ASN: 15.00 ARIN Region origin ASes announcing only one prefix: 7024 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: 5156 Number of ARIN addresses announced to Internet: 1348198656 Equivalent to 80 /8s, 91 /16s and 225 /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: 271800 Total RIPE prefixes after maximum aggregation: 132264 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 269359 Unique aggregates announced from the RIPE address blocks: 172326 RIPE Region origin ASes present in the Internet Routing Table: 28845 RIPE Prefixes per ASN: 9.34 RIPE Region origin ASes announcing only one prefix: 12083 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: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12279 Number of RIPE addresses announced to Internet: 732667392 Equivalent to 43 /8s, 171 /16s and 158 /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: 123184 Total LACNIC prefixes after maximum aggregation: 29166 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120129 Unique aggregates announced from the LACNIC address blocks: 48812 LACNIC Region origin ASes present in the Internet Routing Table: 11193 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2663 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: 9136 Number of LACNIC addresses announced to Internet: 173755904 Equivalent to 10 /8s, 91 /16s and 78 /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: 35086 Total AfriNIC prefixes after maximum aggregation: 6811 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 48035 Unique aggregates announced from the AfriNIC address blocks: 15134 AfriNIC Region origin ASes present in the Internet Routing Table: 1915 AfriNIC Prefixes per ASN: 25.08 AfriNIC Region origin ASes announcing only one prefix: 703 AfriNIC Region transit ASes present in the Internet Routing Table: 371 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: 1277 Number of AfriNIC addresses announced to Internet: 104527360 Equivalent to 6 /8s, 58 /16s and 246 /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 4326 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 3265 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2846 855 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2167 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 12812 39185 3774 AMAZON-02, US 11492 4704 312 566 CABLEONE, US 7155 4175 286 83 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 22773 3371 3035 178 ASN-CXA-ALL-CCI-22773-RDC, US 174 3354 8763 933 COGENT-174, 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 2579 358 336 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 7758 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3907 3395 127 AKAMAI-ASN1, NL 9009 3753 321 1923 M247, RO 12389 2983 2303 893 ROSTELECOM-AS, RU 34984 2367 361 580 TELLCOM-AS, TR 212238 2009 146 1484 CDNEXT, GB 8452 1617 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 62240 1484 98 743 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 11785 3235 589 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 1329 777 211 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 1619 389 16 LINKdotNET-AS, EG 29571 1570 99 102 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1013 523 45 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 847 1083 15 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 36914 552 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 12812 39185 3774 AMAZON-02, US 8151 11785 3235 589 UNINET, MX 9808 10324 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7758 1714 145 UNI2-AS, ES 7545 6216 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4704 312 566 CABLEONE, US 18403 4326 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 11785 11196 UNINET, MX 9808 10324 10236 CHINAMOBILE-CN China Mobile Communications Grou 12479 7758 7613 UNI2-AS, ES 7545 6216 5557 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4326 4301 FPT-AS-AP FPT Telecom Company, VN 11492 4704 4138 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 /16:13920 /17:8226 /18:13623 /19:24443 /20:43714 /21:51693 /22:111934 /23:100714 /24:600032 /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 6712 7758 UNI2-AS, ES 8151 5987 11785 UNINET, MX 11492 3555 4704 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 2279 12812 AMAZON-02, US 30036 2239 2579 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) ---------------------------------------------- 1:2305 2:1502 3:576 4:10 5:4548 6:167 7:6 8:1552 9:1 11:172 12:1379 13:351 14:2511 15:350 16:277 17:356 18:919 20:454 21:4 22:188 23:7284 24:2727 25:2 27:2700 29:19 31:3179 32:35 34:81 35:202 36:2408 37:4605 38:8694 39:897 40:153 41:4193 42:1967 43:2522 44:348 45:18324 46:4999 47:291 49:1978 50:1886 51:590 52:1570 54:302 55:917 56:9 57:240 58:2217 59:1216 60:1167 61:2836 62:2878 63:1827 64:5498 65:2172 66:4607 67:3042 68:1119 69:3959 70:1103 71:607 72:2872 74:2773 75:1648 76:610 77:2668 78:1853 79:1722 80:2196 81:2014 82:2698 83:1382 84:1804 85:3356 86:1032 87:2154 88:1282 89:4315 90:777 91:8302 92:2801 93:2888 94:3905 95:4239 96:1343 97:318 98:973 99:740 100:71 101:1381 102:3653 103:32303 104:4796 105:751 106:997 107:2594 108:1202 109:4096 110:2228 111:3316 112:2039 113:1794 114:1943 115:2122 116:2035 117:2758 118:2877 119:1944 120:1876 121:1355 122:2753 123:2165 124:1607 125:2884 126:94 128:1544 129:953 130:1263 131:1847 132:789 133:449 134:1530 135:329 136:1304 137:1107 138:2899 139:1621 140:1555 141:1472 142:1822 143:1616 144:1059 145:471 146:2130 147:2069 148:2593 149:2866 150:1240 151:1707 152:2102 153:504 154:7689 155:1598 156:3322 157:1897 158:1263 159:2432 160:3553 161:1928 162:3682 163:1843 164:1694 165:2183 166:1361 167:1876 168:4031 169:789 170:5072 171:1002 172:4419 173:3230 174:913 175:1279 176:3623 177:4729 178:3760 179:2254 180:2562 181:4024 182:3371 183:2071 184:2300 185:21437 186:5072 187:4298 188:4200 189:4183 190:9638 191:1489 192:11143 193:9384 194:7741 195:5495 196:3283 197:3758 198:6064 199:8368 200:8020 201:6280 202:10322 203:10515 204:4533 205:3608 206:4566 207:3460 208:4185 209:5169 210:4505 211:2524 212:4507 213:3735 214:1056 215:42 216:6556 217:3108 218:1335 219:374 220:2102 221:1053 222:718 223:2318 End of report