IPv4 R&E Routing Table Report 23:05 GMT Thu 27 Feb, 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: 972169 Prefixes after maximum aggregation (per Origin AS): 372695 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 476171 Number of IPv4 prefixes with a valid ROA: 531805 Number of IPv4 prefixes with an invalid ROA: 1139 Number of IPv4 prefixes with no ROA: 439225 Total ASes present in the Internet Routing Table: 76512 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65638 Origin ASes announcing only one prefix: 26926 Transit ASes present in the Internet Routing Table: 10874 Transit-only ASes present in the Internet Routing Table: 528 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: 973 Number of instances of unregistered ASNs: 978 Number of 32-bit ASNs allocated by the RIRs: 46208 Number of 32-bit ASNs visible in the Routing Table: 37852 Prefixes from 32-bit ASNs in the Routing Table: 198789 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: 3108718848 Equivalent to 185 /8s, 75 /16s and 73 /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: 318904 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254859 Total APNIC prefixes after maximum aggregation: 76189 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246857 Unique aggregates announced from the APNIC address blocks: 102691 APNIC Region origin ASes present in the Internet Routing Table: 14495 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 4436 APNIC Region transit ASes present in the Internet Routing Table: 1957 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: 10018 Number of APNIC addresses announced to Internet: 749723392 Equivalent to 44 /8s, 175 /16s and 223 /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: 286565 Total ARIN prefixes after maximum aggregation: 127623 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287950 Unique aggregates announced from the ARIN address blocks: 136071 ARIN Region origin ASes present in the Internet Routing Table: 19198 ARIN Prefixes per ASN: 15.00 ARIN Region origin ASes announcing only one prefix: 7035 ARIN Region transit ASes present in the Internet Routing Table: 1921 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: 5160 Number of ARIN addresses announced to Internet: 1348237312 Equivalent to 80 /8s, 92 /16s and 120 /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: 271648 Total RIPE prefixes after maximum aggregation: 132194 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 269213 Unique aggregates announced from the RIPE address blocks: 173069 RIPE Region origin ASes present in the Internet Routing Table: 28824 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: 3960 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: 12266 Number of RIPE addresses announced to Internet: 732264704 Equivalent to 43 /8s, 165 /16s and 121 /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: 122980 Total LACNIC prefixes after maximum aggregation: 29267 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119916 Unique aggregates announced from the LACNIC address blocks: 48894 LACNIC Region origin ASes present in the Internet Routing Table: 11197 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2490 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: 9137 Number of LACNIC addresses announced to Internet: 173758720 Equivalent to 10 /8s, 91 /16s and 89 /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: 35144 Total AfriNIC prefixes after maximum aggregation: 6814 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 47774 Unique aggregates announced from the AfriNIC address blocks: 15047 AfriNIC Region origin ASes present in the Internet Routing Table: 1915 AfriNIC Prefixes per ASN: 24.95 AfriNIC Region origin ASes announcing only one prefix: 704 AfriNIC Region transit ASes present in the Internet Routing Table: 374 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: 1271 Number of AfriNIC addresses announced to Internet: 104494848 Equivalent to 6 /8s, 58 /16s and 119 /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 10321 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6219 844 661 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4334 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4239 530 274 BBIL-AP BHARTI Airtel Ltd., IN 7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3688 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3266 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 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 12784 39184 3785 AMAZON-02, US 11492 4705 312 562 CABLEONE, US 7155 4175 286 83 VIASAT-SP-BACKBONE, US 6327 3623 1320 81 SHAW, CA 22773 3371 3035 178 ASN-CXA-ALL-CCI-22773-RDC, US 174 3358 8763 932 COGENT-174, US 749 3259 54879 2506 DNIC-AS-00749, US 16625 2939 1248 2169 AKAMAI-AS, US 396982 2935 3660 453 GOOGLE-CLOUD-PLATFORM, US 30036 2585 358 311 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 3894 3395 127 AKAMAI-ASN1, NL 9009 3748 321 1923 M247, RO 12389 2984 2303 893 ROSTELECOM-AS, RU 34984 2366 360 579 TELLCOM-AS, TR 212238 2004 145 1481 CDNEXT, GB 8452 1617 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 62240 1489 98 748 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 3235 592 UNINET, MX 10620 3545 492 952 Telmex Colombia S.A., CO 13999 2515 541 369 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 1164 371 22 Telefonica del Peru S.A.A., PE 6503 1130 374 163 Axtel, S.A.B. de C.V., MX 22884 1048 82 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 11664 1017 278 33 Techtel LMDS Comunicaciones Interactivas 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 1569 99 101 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 558 1861 35 IAM-AS, MA 36914 549 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 12784 39184 3785 AMAZON-02, US 8151 11782 3235 592 UNINET, MX 9808 10321 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7758 1714 145 UNI2-AS, ES 7545 6219 844 661 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4705 312 562 CABLEONE, US 18403 4334 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4239 530 274 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 11190 UNINET, MX 9808 10321 10233 CHINAMOBILE-CN China Mobile Communications Grou 12479 7758 7613 UNI2-AS, ES 7545 6219 5558 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4334 4309 FPT-AS-AP FPT Telecom Company, VN 11492 4705 4143 CABLEONE, US 7155 4175 4092 VIASAT-SP-BACKBONE, US 9498 4239 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 23.135.84.0/24 Origin: 2914 NTT-DATA-2914, US 23.135.84.0/24 Transit: 6453 AS6453, 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 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 /15:2140 /16:13910 /17:8223 /18:13620 /19:24439 /20:43753 /21:51725 /22:111905 /23:100660 /24:599526 /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 5981 11782 UNINET, MX 11492 3556 4705 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3623 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 22773 2509 3371 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2272 12784 AMAZON-02, US 30036 2245 2585 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2185 3545 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 2:1499 3:576 4:10 5:4541 6:167 7:6 8:1554 9:1 11:172 12:1380 13:349 14:2517 15:350 16:276 17:356 18:917 20:454 21:4 22:188 23:7302 24:2728 25:2 27:2667 29:19 31:3160 32:35 34:81 35:201 36:2412 37:4594 38:8707 39:896 40:154 41:4182 42:1973 43:2525 44:351 45:18312 46:4992 47:292 49:1977 50:1889 51:590 52:1569 54:300 55:1092 56:9 57:241 58:2221 59:1215 60:1167 61:2836 62:2888 63:1828 64:5498 65:2173 66:4593 67:3046 68:1118 69:3957 70:1103 71:608 72:2869 74:2776 75:1648 76:611 77:2663 78:1854 79:1724 80:2202 81:2014 82:2705 83:1382 84:1803 85:3354 86:1029 87:2157 88:1280 89:4298 90:777 91:8304 92:2803 93:2880 94:3911 95:4239 96:1342 97:318 98:974 99:740 100:70 101:1360 102:3695 103:32334 104:4794 105:748 106:997 107:2595 108:1206 109:4100 110:2228 111:3316 112:2042 113:1798 114:1942 115:2122 116:2040 117:2761 118:2881 119:1944 120:1876 121:1356 122:2754 123:2164 124:1562 125:2886 126:93 128:1546 129:953 130:1264 131:1842 132:789 133:450 134:1531 135:329 136:1309 137:1105 138:2875 139:1614 140:1554 141:1475 142:1824 143:1617 144:1065 145:471 146:2130 147:2069 148:2585 149:2867 150:1240 151:1704 152:2099 153:504 154:7511 155:1606 156:3186 157:1894 158:1262 159:2424 160:3544 161:1922 162:3686 163:1842 164:1687 165:2181 166:1362 167:1876 168:4013 169:788 170:5059 171:1002 172:4336 173:3232 174:914 175:1268 176:3626 177:4673 178:3760 179:2223 180:2556 181:3998 182:3360 183:2069 184:2299 185:21423 186:5059 187:4300 188:4190 189:4184 190:9623 191:1528 192:11141 193:9382 194:7733 195:5486 196:3284 197:3781 198:6052 199:8338 200:8013 201:6291 202:10296 203:10517 204:4530 205:3616 206:4565 207:3460 208:4186 209:5176 210:4504 211:2524 212:4508 213:3732 214:1059 215:42 216:6567 217:3107 218:1335 219:374 220:2113 221:1052 222:717 223:2322 End of report