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:84)
| IP | Host | DateTime |
|---|---|---|
| 131.215.100.0 | bridgeannex.net.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.1 | static-100-1.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.2 | static-100-2.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.3 | aurelius.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.4 | dodgson.wonderland.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.5 | autonomy.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.6 | static-100-6.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.7 | windkind.tapir.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.8 | static-100-8.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.9 | autiboot.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.10 | static-100-10.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.11 | momwrath.wonderland.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.12 | terranova.tapir.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.13 | jeeves.tapir.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.14 | elmer.tapir.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.22 | cmtrack2.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.23 | cmtrack3.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.24 | cmtrack4.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.25 | cmtrack5.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.26 | cmtrack6.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.27 | cmtrack7.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.37 | static-100-37.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.71 | tapiola.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.72 | static-100-72.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.74 | static-100-74.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.75 | static-100-75.caltech.edu | 2025-07-14 23:48:52 |
| 131.215.100.77 | tweedledee.wonderland.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.78 | alice.wonderland.caltech.edu | 2025-07-14 23:48:52 |
| 131.215.100.103 | static-100-103.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.196 | dhcp-100-196.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.197 | dhcp-100-197.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.198 | dhcp-100-198.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.199 | dhcp-100-199.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.200 | dhcp-100-200.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.201 | dhcp-100-201.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.202 | dhcp-100-202.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.203 | dhcp-100-203.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.204 | dhcp-100-204.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.205 | dhcp-100-205.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.206 | dhcp-100-206.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.207 | dhcp-100-207.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.208 | dhcp-100-208.caltech.edu | 2025-07-14 23:48:52 |
| 131.215.100.209 | dhcp-100-209.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.210 | dhcp-100-210.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.211 | dhcp-100-211.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.212 | dhcp-100-212.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.213 | dhcp-100-213.caltech.edu | 2025-07-14 23:48:52 |
| 131.215.100.214 | dhcp-100-214.caltech.edu | 2025-07-14 23:48:52 |
| 131.215.100.215 | dhcp-100-215.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.216 | dhcp-100-216.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.217 | dhcp-100-217.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.218 | dhcp-100-218.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.219 | dhcp-100-219.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.220 | dhcp-100-220.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.221 | dhcp-100-221.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.222 | dhcp-100-222.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.223 | dhcp-100-223.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.224 | dhcp-100-224.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.225 | dhcp-100-225.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.226 | dhcp-100-226.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.227 | dhcp-100-227.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.228 | dhcp-100-228.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.229 | dhcp-100-229.caltech.edu | 2025-07-14 23:48:52 |
| 131.215.100.230 | dhcp-100-230.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.231 | dhcp-100-231.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.232 | dhcp-100-232.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.233 | dhcp-100-233.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.234 | dhcp-100-234.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.235 | dhcp-100-235.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.236 | dhcp-100-236.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.237 | dhcp-100-237.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.238 | dhcp-100-238.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.239 | dhcp-100-239.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.240 | dhcp-100-240.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.241 | dhcp-100-241.caltech.edu | 2025-07-14 23:48:52 |
| 131.215.100.242 | dhcp-100-242.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.243 | dhcp-100-243.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.244 | dhcp-100-244.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.245 | dhcp-100-245.caltech.edu | 2025-07-14 23:48:52 |
| 131.215.100.251 | fluke-100.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.252 | bridge-rsw-100.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.253 | kellogg-rsw-100.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.254 | default-100.caltech.edu | 2025-07-20 10:40:44 |
| 131.215.100.255 | broadcast-100.caltech.edu | 2025-07-20 10:40:44 |
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 |