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:71)
| IP | Host | DateTime |
|---|---|---|
| 131.215.31.0 | bi-bnorth.net.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.1 | static-31-1.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.2 | static-31-2.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.3 | static-31-3.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.4 | static-31-4.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.5 | static-31-5.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.64 | static-31-64.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.186 | dhcp-31-186.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.187 | dhcp-31-187.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.188 | dhcp-31-188.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.189 | dhcp-31-189.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.190 | dhcp-31-190.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.191 | dhcp-31-191.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.192 | dhcp-31-192.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.193 | dhcp-31-193.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.194 | dhcp-31-194.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.195 | dhcp-31-195.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.196 | dhcp-31-196.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.197 | dhcp-31-197.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.198 | dhcp-31-198.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.199 | dhcp-31-199.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.200 | dhcp-31-200.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.201 | dhcp-31-201.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.202 | dhcp-31-202.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.203 | dhcp-31-203.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.204 | dhcp-31-204.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.205 | dhcp-31-205.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.206 | dhcp-31-206.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.207 | dhcp-31-207.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.208 | dhcp-31-208.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.209 | dhcp-31-209.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.210 | dhcp-31-210.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.211 | dhcp-31-211.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.212 | dhcp-31-212.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.213 | dhcp-31-213.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.214 | dhcp-31-214.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.215 | dhcp-31-215.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.216 | dhcp-31-216.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.217 | dhcp-31-217.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.218 | dhcp-31-218.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.219 | dhcp-31-219.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.220 | dhcp-31-220.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.221 | dhcp-31-221.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.222 | dhcp-31-222.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.223 | dhcp-31-223.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.224 | dhcp-31-224.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.225 | dhcp-31-225.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.226 | dhcp-31-226.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.227 | dhcp-31-227.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.228 | dhcp-31-228.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.229 | dhcp-31-229.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.230 | dhcp-31-230.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.231 | dhcp-31-231.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.232 | dhcp-31-232.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.233 | dhcp-31-233.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.234 | dhcp-31-234.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.235 | dhcp-31-235.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.236 | dhcp-31-236.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.237 | dhcp-31-237.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.238 | dhcp-31-238.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.239 | dhcp-31-239.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.240 | dhcp-31-240.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.241 | dhcp-31-241.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.242 | dhcp-31-242.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.243 | dhcp-31-243.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.244 | dhcp-31-244.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.245 | dhcp-31-245.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.251 | fluke-31.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.252 | bbb-rsw-31.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.253 | bi-rsw-31.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.31.255 | broadcast-31.caltech.edu | 2025-07-14 23:47:30 |
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 |