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:159)
| IP | Host | DateTime |
|---|---|---|
| 131.215.12.0 | braunlab-b1-1.net.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.1 | static-12-1.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.2 | static-12-2.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.3 | wobr.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.4 | wormbase.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.5 | static-12-5.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.6 | static-12-6.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.7 | alaska.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.8 | spell.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.12.9 | altair.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.10 | bagua.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.11 | static-12-11.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.15 | static-12-15.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.16 | guitar2.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.17 | wobrbig.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.18 | static-12-18.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.19 | wb.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.20 | shanfiles.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.23 | wobr1.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.24 | wobr2.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.26 | static-12-26.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.27 | stolen-ip-address.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.28 | hp13dd37.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.29 | static-12-29.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.30 | static-12-30.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.36 | static-12-36.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.37 | micluster.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.38 | oldsaf.bio.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.40 | surplus.bio.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.12.41 | newsaf.bio.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.42 | safserver.bio.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.58 | biologybraun.kronos.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.61 | elbrus.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.71 | shangroup.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.72 | static-12-72.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.74 | jade.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.75 | opal.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.76 | sapphire.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.77 | ruby.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.78 | pyrop.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.79 | jasper.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.80 | agate.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.81 | lapis.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.82 | diamond.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.83 | peridot.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.84 | zirkon.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.85 | amber.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.86 | citrine.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.87 | iolite.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.88 | amethyst.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.89 | apatite.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.90 | quartz.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.91 | ametrine.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.12.92 | seraphnite.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.93 | obsidian.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.94 | aragonite.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.95 | unakite.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.96 | rhodonite.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.97 | sodalite.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.98 | amazonite.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.99 | carnelian.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.100 | chrysolite.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.121 | alexandrite.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.122 | aquamarine.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.123 | tourmaline.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.124 | malachite.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.125 | albite.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.126 | brass.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.127 | californite.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.128 | dollar.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.129 | fancy.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.130 | granat.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.131 | niccolo.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.132 | prase.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.133 | spar.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.12.134 | spinel.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.135 | tigereye.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.136 | viluite.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.155 | sshan.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.167 | spica.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.171 | dhcp-12-171.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.172 | dhcp-12-172.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.173 | dhcp-12-173.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.12.174 | dhcp-12-174.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.175 | dhcp-12-175.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.176 | dhcp-12-176.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.177 | dhcp-12-177.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.178 | dhcp-12-178.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.179 | dhcp-12-179.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.180 | dhcp-12-180.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.181 | dhcp-12-181.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.182 | dhcp-12-182.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.183 | dhcp-12-183.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.184 | dhcp-12-184.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.185 | dhcp-12-185.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.186 | dhcp-12-186.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.187 | dhcp-12-187.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.188 | dhcp-12-188.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.189 | dhcp-12-189.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.190 | dhcp-12-190.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.191 | dhcp-12-191.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.192 | dhcp-12-192.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.193 | dhcp-12-193.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.12.194 | dhcp-12-194.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.195 | dhcp-12-195.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.196 | dhcp-12-196.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.197 | dhcp-12-197.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.198 | dhcp-12-198.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.199 | dhcp-12-199.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.200 | dhcp-12-200.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.201 | dhcp-12-201.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.202 | dhcp-12-202.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.203 | dhcp-12-203.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.204 | dhcp-12-204.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.205 | dhcp-12-205.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.206 | dhcp-12-206.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.207 | dhcp-12-207.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.208 | dhcp-12-208.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.209 | dhcp-12-209.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.210 | dhcp-12-210.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.211 | dhcp-12-211.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.212 | dhcp-12-212.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.213 | dhcp-12-213.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.214 | dhcp-12-214.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.215 | dhcp-12-215.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.216 | dhcp-12-216.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.217 | dhcp-12-217.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.218 | dhcp-12-218.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.219 | dhcp-12-219.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.220 | dhcp-12-220.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.221 | dhcp-12-221.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.222 | dhcp-12-222.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.223 | dhcp-12-223.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.224 | dhcp-12-224.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.225 | dhcp-12-225.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.226 | dhcp-12-226.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.227 | dhcp-12-227.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.228 | dhcp-12-228.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.229 | dhcp-12-229.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.230 | dhcp-12-230.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.231 | dhcp-12-231.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.232 | dhcp-12-232.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.233 | dhcp-12-233.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.234 | dhcp-12-234.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.235 | dhcp-12-235.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.236 | dhcp-12-236.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.237 | dhcp-12-237.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.238 | dhcp-12-238.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.239 | dhcp-12-239.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.240 | dhcp-12-240.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.241 | dhcp-12-241.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.242 | dhcp-12-242.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.243 | dhcp-12-243.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.244 | dhcp-12-244.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.245 | dhcp-12-245.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.251 | fluke-12.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.253 | braun-rsw-12.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.254 | default-12.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.12.255 | broadcast-12.caltech.edu | 2025-07-14 23:47:13 |
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 |