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:72)
| IP | Host | DateTime |
|---|---|---|
| 131.215.51.0 | steele-3.net.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.2 | static-51-2.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.3 | static-51-3.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.4 | static-51-4.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.5 | static-51-5.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.6 | static-51-6.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.7 | static-51-7.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.8 | static-51-8.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.9 | static-51-9.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.10 | static-51-10.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.11 | static-51-11.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.12 | static-51-12.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.13 | static-51-13.caltech.edu | 2025-07-09 13:56:29 |
| 131.215.51.191 | dhcp-51-191.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.192 | dhcp-51-192.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.193 | dhcp-51-193.caltech.edu | 2025-07-09 13:56:29 |
| 131.215.51.194 | dhcp-51-194.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.195 | dhcp-51-195.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.196 | dhcp-51-196.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.197 | dhcp-51-197.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.198 | dhcp-51-198.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.199 | dhcp-51-199.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.200 | dhcp-51-200.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.201 | dhcp-51-201.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.202 | dhcp-51-202.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.203 | dhcp-51-203.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.204 | dhcp-51-204.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.205 | dhcp-51-205.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.206 | dhcp-51-206.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.207 | dhcp-51-207.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.208 | dhcp-51-208.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.209 | dhcp-51-209.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.210 | dhcp-51-210.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.211 | dhcp-51-211.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.212 | dhcp-51-212.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.213 | dhcp-51-213.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.214 | dhcp-51-214.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.215 | dhcp-51-215.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.216 | dhcp-51-216.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.217 | dhcp-51-217.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.218 | dhcp-51-218.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.219 | dhcp-51-219.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.220 | dhcp-51-220.caltech.edu | 2025-07-09 13:56:29 |
| 131.215.51.221 | dhcp-51-221.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.222 | dhcp-51-222.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.223 | dhcp-51-223.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.224 | dhcp-51-224.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.225 | dhcp-51-225.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.226 | dhcp-51-226.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.227 | dhcp-51-227.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.228 | dhcp-51-228.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.229 | dhcp-51-229.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.230 | dhcp-51-230.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.231 | dhcp-51-231.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.232 | dhcp-51-232.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.233 | dhcp-51-233.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.234 | dhcp-51-234.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.235 | dhcp-51-235.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.236 | dhcp-51-236.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.237 | dhcp-51-237.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.238 | dhcp-51-238.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.239 | dhcp-51-239.caltech.edu | 2025-07-09 13:56:29 |
| 131.215.51.240 | dhcp-51-240.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.241 | dhcp-51-241.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.242 | dhcp-51-242.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.243 | dhcp-51-243.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.244 | dhcp-51-244.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.245 | dhcp-51-245.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.251 | fluke-51.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.253 | steele-rsw-51.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.254 | default-51.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.51.255 | broadcast-51.caltech.edu | 2025-07-14 23:47:51 |
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 |