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:78)
| IP | Host | DateTime |
|---|---|---|
| 131.215.191.0 | health-center.net.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.2 | sa221.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.3 | static-191-3.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.4 | static-191-4.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.5 | static-191-5.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.6 | static-191-6.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.7 | sa353.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.8 | sa349.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.9 | static-191-9.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.10 | sa373.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.11 | static-191-11.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.13 | sa169.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.14 | static-191-14.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.15 | sa196.caltech.edu | 2025-07-09 13:59:23 |
| 131.215.191.16 | sa187.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.17 | sa197.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.19 | sa194.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.20 | sa206.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.21 | sa195.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.22 | sa191.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.23 | sa215.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.24 | sa201.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.25 | sa218.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.26 | sa188.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.27 | sa227.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.28 | sa225.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.29 | sa226.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.31 | static-191-31.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.32 | static-191-32.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.33 | static-191-33.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.34 | sa369.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.35 | sa371.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.36 | static-191-36.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.37 | sa402.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.38 | sa403.caltech.edu | 2025-07-09 13:59:23 |
| 131.215.191.39 | sa370.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.41 | static-191-41.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.42 | static-191-42.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.43 | static-191-43.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.44 | static-191-44.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.45 | static-191-45.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.46 | static-191-46.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.47 | static-191-47.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.48 | static-191-48.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.216 | dhcp-191-216.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.217 | dhcp-191-217.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.218 | dhcp-191-218.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.219 | dhcp-191-219.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.220 | dhcp-191-220.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.221 | dhcp-191-221.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.222 | dhcp-191-222.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.223 | dhcp-191-223.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.224 | dhcp-191-224.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.225 | dhcp-191-225.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.226 | dhcp-191-226.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.227 | dhcp-191-227.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.228 | dhcp-191-228.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.229 | dhcp-191-229.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.230 | dhcp-191-230.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.231 | dhcp-191-231.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.232 | dhcp-191-232.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.233 | dhcp-191-233.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.234 | dhcp-191-234.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.235 | dhcp-191-235.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.236 | dhcp-191-236.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.237 | dhcp-191-237.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.238 | dhcp-191-238.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.239 | dhcp-191-239.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.240 | dhcp-191-240.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.241 | dhcp-191-241.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.242 | dhcp-191-242.caltech.edu | 2025-07-09 13:59:23 |
| 131.215.191.243 | dhcp-191-243.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.244 | dhcp-191-244.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.245 | dhcp-191-245.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.251 | fluke-191.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.253 | kellogg-rsw-191.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.254 | default-191.caltech.edu | 2025-07-14 23:50:29 |
| 131.215.191.255 | broadcast-191.caltech.edu | 2025-07-14 23:50:29 |
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 |