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:83)
| IP | Host | DateTime |
|---|---|---|
| 131.215.42.0 | cds.net.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.2 | st107.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.3 | qpgfwb136.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.5 | sputnik.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.6 | narya.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.8 | 117steele.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.10 | static-42-10.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.59 | buckyball.kni.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.103 | cedar.cms.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.122 | bentobox.cds.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.135 | kavlinano.cds.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.152 | lambda.cds.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.154 | stl113.cms.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.156 | armidale.cms.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.159 | rcs-steele-08.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.163 | static-42-163.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.164 | static-42-164.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.165 | static-42-165.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.175 | static-42-175.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.186 | dhcp-42-186.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.187 | dhcp-42-187.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.188 | dhcp-42-188.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.189 | dhcp-42-189.caltech.edu | 2025-07-09 13:56:07 |
| 131.215.42.190 | dhcp-42-190.caltech.edu | 2025-07-09 13:56:07 |
| 131.215.42.191 | dhcp-42-191.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.192 | dhcp-42-192.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.193 | dhcp-42-193.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.194 | dhcp-42-194.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.195 | dhcp-42-195.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.196 | dhcp-42-196.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.197 | dhcp-42-197.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.198 | dhcp-42-198.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.199 | dhcp-42-199.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.200 | dhcp-42-200.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.201 | dhcp-42-201.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.202 | dhcp-42-202.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.203 | dhcp-42-203.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.204 | dhcp-42-204.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.205 | dhcp-42-205.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.206 | dhcp-42-206.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.207 | dhcp-42-207.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.208 | dhcp-42-208.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.209 | dhcp-42-209.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.210 | dhcp-42-210.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.211 | dhcp-42-211.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.212 | dhcp-42-212.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.213 | dhcp-42-213.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.214 | dhcp-42-214.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.215 | dhcp-42-215.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.216 | dhcp-42-216.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.217 | dhcp-42-217.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.218 | dhcp-42-218.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.219 | dhcp-42-219.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.220 | dhcp-42-220.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.221 | dhcp-42-221.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.222 | dhcp-42-222.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.223 | dhcp-42-223.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.224 | dhcp-42-224.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.225 | dhcp-42-225.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.226 | dhcp-42-226.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.227 | dhcp-42-227.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.228 | dhcp-42-228.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.229 | dhcp-42-229.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.230 | dhcp-42-230.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.231 | dhcp-42-231.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.232 | dhcp-42-232.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.233 | dhcp-42-233.caltech.edu | 2025-07-09 13:56:07 |
| 131.215.42.234 | dhcp-42-234.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.235 | dhcp-42-235.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.236 | dhcp-42-236.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.237 | dhcp-42-237.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.238 | dhcp-42-238.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.239 | dhcp-42-239.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.240 | dhcp-42-240.caltech.edu | 2025-07-09 13:56:07 |
| 131.215.42.241 | dhcp-42-241.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.242 | dhcp-42-242.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.243 | dhcp-42-243.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.244 | dhcp-42-244.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.245 | dhcp-42-245.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.251 | fluke-42.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.253 | steele-rsw-42.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.254 | default-42.caltech.edu | 2025-07-14 23:47:30 |
| 131.215.42.255 | broadcast-42.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 |