BGP Announced
| AS | CIDR | Description |
|---|---|---|
| AS31 |
131.215.0.0/16
|
CIT - California Institute of Technology, US |
Real Time BGP Data
| AS / Info | IP / Time | AS Path |
|---|---|---|
| Loading... | ||
Reverse DNS List (Total:65)
| IP | Host | DateTime |
|---|---|---|
| 131.215.18.0 | publicevents.net.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.1 | static-18-1.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.2 | static-18-2.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.3 | static-18-3.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.4 | static-18-4.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.5 | static-18-5.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.6 | static-18-6.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.21 | card-18-21.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.23 | static-18-23.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.24 | static-18-24.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.196 | dhcp-18-196.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.197 | dhcp-18-197.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.198 | dhcp-18-198.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.199 | dhcp-18-199.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.200 | dhcp-18-200.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.201 | dhcp-18-201.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.202 | dhcp-18-202.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.203 | dhcp-18-203.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.204 | dhcp-18-204.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.205 | dhcp-18-205.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.206 | dhcp-18-206.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.207 | dhcp-18-207.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.208 | dhcp-18-208.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.209 | dhcp-18-209.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.210 | dhcp-18-210.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.211 | dhcp-18-211.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.212 | dhcp-18-212.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.213 | dhcp-18-213.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.214 | dhcp-18-214.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.215 | dhcp-18-215.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.216 | dhcp-18-216.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.217 | dhcp-18-217.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.218 | dhcp-18-218.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.219 | dhcp-18-219.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.220 | dhcp-18-220.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.221 | dhcp-18-221.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.222 | dhcp-18-222.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.223 | dhcp-18-223.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.224 | dhcp-18-224.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.225 | dhcp-18-225.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.226 | dhcp-18-226.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.227 | dhcp-18-227.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.228 | dhcp-18-228.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.229 | dhcp-18-229.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.230 | dhcp-18-230.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.231 | dhcp-18-231.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.18.232 | dhcp-18-232.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.233 | dhcp-18-233.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.234 | dhcp-18-234.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.235 | dhcp-18-235.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.236 | dhcp-18-236.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.237 | dhcp-18-237.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.238 | dhcp-18-238.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.239 | dhcp-18-239.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.240 | dhcp-18-240.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.241 | dhcp-18-241.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.242 | dhcp-18-242.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.243 | dhcp-18-243.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.244 | dhcp-18-244.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.245 | dhcp-18-245.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.251 | fluke-18.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.252 | bbb-rsw-18.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.253 | bi-rsw-18.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.254 | default-18.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.18.255 | broadcast-18.caltech.edu | 2025-07-14 23:47:13 |
Top 20 countries in total ASN
| Country | Allocated ASNs | ASN IPv4 Number | ASN IPv6 Number(/64) |
|---|---|---|---|
United States
|
31381 | 1463309133 | 1153867275719288914 |
Brazil
|
9037 | 86226398 | 2305871897990729730 |
China
|
6564 | 346799264 | 129893613128288 |
India
|
5969 | 35348480 | 24480594907136 |
Russian Federation
|
5748 | 46622776 | 10705793691720 |
Indonesia
|
3603 | 18073088 | 1225629728768 |
Germany
|
3109 | 112752904 | 69548054544384 |
United Kingdom
|
3108 | 71550336 | 31532536299520 |
Australia
|
3015 | 40588592 | 20514282543104 |
Poland
|
2465 | 19272192 | 15298114229248 |
Canada
|
2443 | 54437736 | 4438988948736 |
France
|
2201 | 75328768 | 12154271827456 |
Ukraine
|
2009 | 8261632 | 5013717516288 |
Bangladesh
|
1870 | 1933568 | 908494569472 |
Netherlands
|
1595 | 51310544 | 26556465939968 |
Argentina
|
1300 | 19708416 | 18815344377856 |
Italy
|
1298 | 52409856 | 28591018606592 |
Hong Kong
|
1280 | 18154148 | 8554605118208 |
Japan
|
1269 | 159027048 | 33573211799552 |
Spain
|
1233 | 34628352 | 7522246791168 |