IPv4 R&E Routing Table Report 23:05 GMT Sun 02 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: 972376 Prefixes after maximum aggregation (per Origin AS): 372462 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 475160 Number of IPv4 prefixes with a valid ROA: 532469 Number of IPv4 prefixes with an invalid ROA: 1093 Number of IPv4 prefixes with no ROA: 438814 Total ASes present in the Internet Routing Table: 76506 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65648 Origin ASes announcing only one prefix: 26899 Transit ASes present in the Internet Routing Table: 10858 Transit-only ASes present in the Internet Routing Table: 524 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: 969 Number of instances of unregistered ASNs: 974 Number of 32-bit ASNs allocated by the RIRs: 46224 Number of 32-bit ASNs visible in the Routing Table: 37862 Prefixes from 32-bit ASNs in the Routing Table: 198847 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: 464 Number of addresses announced to Internet: 3109007104 Equivalent to 185 /8s, 79 /16s and 175 /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: 318841 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255052 Total APNIC prefixes after maximum aggregation: 76108 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246902 Unique aggregates announced from the APNIC address blocks: 102608 APNIC Region origin ASes present in the Internet Routing Table: 14498 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 4428 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: 10020 Number of APNIC addresses announced to Internet: 749717504 Equivalent to 44 /8s, 175 /16s and 200 /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: 286681 Total ARIN prefixes after maximum aggregation: 127590 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287828 Unique aggregates announced from the ARIN address blocks: 135969 ARIN Region origin ASes present in the Internet Routing Table: 19186 ARIN Prefixes per ASN: 15.00 ARIN Region origin ASes announcing only one prefix: 7028 ARIN Region transit ASes present in the Internet Routing Table: 1918 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: 5158 Number of ARIN addresses announced to Internet: 1348180480 Equivalent to 80 /8s, 91 /16s and 154 /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: 271593 Total RIPE prefixes after maximum aggregation: 132174 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 269249 Unique aggregates announced from the RIPE address blocks: 172207 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: 12081 RIPE Region transit ASes present in the Internet Routing Table: 3956 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: 12269 Number of RIPE addresses announced to Internet: 732628736 Equivalent to 43 /8s, 171 /16s and 7 /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: 123061 Total LACNIC prefixes after maximum aggregation: 29172 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120004 Unique aggregates announced from the LACNIC address blocks: 48827 LACNIC Region origin ASes present in the Internet Routing Table: 11200 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2660 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: 9140 Number of LACNIC addresses announced to Internet: 173763072 Equivalent to 10 /8s, 91 /16s and 106 /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: 35020 Total AfriNIC prefixes after maximum aggregation: 6811 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 47929 Unique aggregates announced from the AfriNIC address blocks: 15150 AfriNIC Region origin ASes present in the Internet Routing Table: 1912 AfriNIC Prefixes per ASN: 25.07 AfriNIC Region origin ASes announcing only one prefix: 702 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: 1275 Number of AfriNIC addresses announced to Internet: 104476672 Equivalent to 6 /8s, 58 /16s and 48 /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 4325 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 2847 855 532 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2168 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 12788 39183 3772 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 3260 54879 2507 DNIC-AS-00749, US 16625 2954 1252 2179 AKAMAI-AS, US 396982 2935 3660 453 GOOGLE-CLOUD-PLATFORM, US 30036 2572 357 349 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 2982 2303 893 ROSTELECOM-AS, RU 34984 2366 361 580 TELLCOM-AS, TR 212238 2009 146 1484 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1521 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 11782 3234 593 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 1167 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 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 851 1083 15 MOBINIL, EG 6713 557 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 12788 39183 3772 AMAZON-02, US 8151 11782 3234 593 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 4325 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 11782 11189 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 4325 4300 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 /16:13919 /17:8232 /18:13617 /19:24451 /20:43718 /21:51687 /22:111829 /23:100713 /24:599799 /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 5983 11782 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 2275 12788 AMAZON-02, US 30036 2232 2572 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 2:1501 3:576 4:10 5:4549 6:167 7:6 8:1547 9:1 11:172 12:1379 13:350 14:2510 15:350 16:277 17:356 18:919 20:454 21:4 22:188 23:7282 24:2726 25:2 27:2704 29:19 31:3177 32:35 34:81 35:202 36:2407 37:4606 38:8698 39:897 40:153 41:4171 42:1966 43:2523 44:348 45:18309 46:4994 47:291 49:1978 50:1883 51:590 52:1567 54:301 55:916 56:9 57:240 58:2217 59:1217 60:1167 61:2836 62:2905 63:1826 64:5501 65:2172 66:4607 67:3041 68:1119 69:3959 70:1103 71:607 72:2872 74:2774 75:1648 76:611 77:2668 78:1853 79:1719 80:2196 81:2014 82:2699 83:1384 84:1801 85:3337 86:1031 87:2153 88:1280 89:4298 90:777 91:8293 92:2801 93:2882 94:3902 95:4225 96:1345 97:318 98:973 99:740 100:71 101:1381 102:3648 103:32302 104:4794 105:751 106:997 107:2594 108:1201 109:4090 110:2228 111:3315 112:2039 113:1794 114:1941 115:2122 116:2034 117:2759 118:2875 119:1944 120:1876 121:1356 122:2753 123:2162 124:1607 125:2884 126:90 128:1543 129:953 130:1261 131:1844 132:789 133:450 134:1530 135:329 136:1306 137:1107 138:2897 139:1624 140:1543 141:1467 142:1822 143:1617 144:1059 145:471 146:2131 147:2069 148:2594 149:2869 150:1240 151:1707 152:2102 153:504 154:7745 155:1598 156:3332 157:1898 158:1261 159:2429 160:3551 161:1926 162:3683 163:1842 164:1696 165:2183 166:1360 167:1875 168:4024 169:789 170:5067 171:1002 172:4418 173:3225 174:913 175:1279 176:3628 177:4674 178:3758 179:2241 180:2562 181:4021 182:3371 183:2071 184:2300 185:21405 186:5072 187:4290 188:4203 189:4176 190:9640 191:1490 192:11144 193:9386 194:7741 195:5491 196:3263 197:3762 198:6064 199:8363 200:8019 201:6281 202:10319 203:10512 204:4530 205:3625 206:4572 207:3434 208:4184 209:5170 210:4503 211:2524 212:4506 213:3735 214:1060 215:42 216:6558 217:3105 218:1335 219:374 220:2102 221:1055 222:718 223:2321 End of report