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:148)
| IP | Host | DateTime |
|---|---|---|
| 131.215.47.0 | transportation.net.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.96 | dhcp-47-96.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.97 | dhcp-47-97.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.98 | dhcp-47-98.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.99 | dhcp-47-99.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.100 | dhcp-47-100.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.101 | dhcp-47-101.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.102 | dhcp-47-102.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.103 | dhcp-47-103.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.104 | dhcp-47-104.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.105 | dhcp-47-105.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.106 | dhcp-47-106.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.107 | dhcp-47-107.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.108 | dhcp-47-108.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.109 | dhcp-47-109.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.110 | dhcp-47-110.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.111 | dhcp-47-111.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.112 | dhcp-47-112.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.113 | dhcp-47-113.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.114 | dhcp-47-114.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.115 | dhcp-47-115.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.116 | dhcp-47-116.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.118 | dhcp-47-118.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.119 | dhcp-47-119.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.120 | dhcp-47-120.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.121 | dhcp-47-121.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.122 | dhcp-47-122.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.123 | dhcp-47-123.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.124 | dhcp-47-124.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.125 | dhcp-47-125.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.126 | dhcp-47-126.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.127 | dhcp-47-127.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.128 | dhcp-47-128.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.129 | dhcp-47-129.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.130 | dhcp-47-130.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.131 | dhcp-47-131.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.132 | dhcp-47-132.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.133 | dhcp-47-133.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.134 | dhcp-47-134.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.135 | dhcp-47-135.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.136 | dhcp-47-136.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.137 | dhcp-47-137.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.138 | dhcp-47-138.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.139 | dhcp-47-139.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.140 | dhcp-47-140.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.141 | dhcp-47-141.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.142 | dhcp-47-142.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.143 | dhcp-47-143.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.144 | dhcp-47-144.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.145 | dhcp-47-145.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.146 | dhcp-47-146.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.148 | dhcp-47-148.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.149 | dhcp-47-149.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.150 | dhcp-47-150.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.151 | dhcp-47-151.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.152 | dhcp-47-152.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.153 | dhcp-47-153.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.154 | dhcp-47-154.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.155 | dhcp-47-155.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.156 | dhcp-47-156.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.157 | dhcp-47-157.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.158 | dhcp-47-158.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.159 | dhcp-47-159.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.160 | dhcp-47-160.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.161 | dhcp-47-161.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.162 | dhcp-47-162.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.163 | dhcp-47-163.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.164 | dhcp-47-164.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.165 | dhcp-47-165.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.166 | dhcp-47-166.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.167 | dhcp-47-167.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.168 | dhcp-47-168.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.169 | dhcp-47-169.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.170 | dhcp-47-170.caltech.edu | 2025-07-18 22:11:45 |
| 131.215.47.171 | dhcp-47-171.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.172 | dhcp-47-172.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.173 | dhcp-47-173.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.174 | dhcp-47-174.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.175 | dhcp-47-175.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.176 | dhcp-47-176.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.177 | dhcp-47-177.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.178 | dhcp-47-178.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.179 | dhcp-47-179.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.180 | dhcp-47-180.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.181 | dhcp-47-181.caltech.edu | 2025-07-18 22:11:45 |
| 131.215.47.182 | dhcp-47-182.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.183 | dhcp-47-183.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.184 | dhcp-47-184.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.185 | dhcp-47-185.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.186 | dhcp-47-186.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.187 | dhcp-47-187.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.188 | dhcp-47-188.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.189 | dhcp-47-189.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.190 | dhcp-47-190.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.191 | dhcp-47-191.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.192 | dhcp-47-192.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.193 | dhcp-47-193.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.194 | dhcp-47-194.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.195 | dhcp-47-195.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.196 | dhcp-47-196.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.197 | dhcp-47-197.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.198 | dhcp-47-198.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.199 | dhcp-47-199.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.200 | dhcp-47-200.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.201 | dhcp-47-201.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.202 | dhcp-47-202.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.203 | dhcp-47-203.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.204 | dhcp-47-204.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.205 | dhcp-47-205.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.206 | dhcp-47-206.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.207 | dhcp-47-207.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.208 | dhcp-47-208.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.209 | dhcp-47-209.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.210 | dhcp-47-210.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.211 | dhcp-47-211.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.212 | dhcp-47-212.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.214 | dhcp-47-214.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.215 | dhcp-47-215.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.216 | dhcp-47-216.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.217 | dhcp-47-217.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.218 | dhcp-47-218.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.219 | dhcp-47-219.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.220 | dhcp-47-220.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.221 | dhcp-47-221.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.222 | dhcp-47-222.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.223 | dhcp-47-223.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.224 | dhcp-47-224.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.225 | dhcp-47-225.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.226 | dhcp-47-226.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.227 | dhcp-47-227.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.229 | dhcp-47-229.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.230 | dhcp-47-230.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.231 | dhcp-47-231.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.232 | dhcp-47-232.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.233 | dhcp-47-233.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.234 | dhcp-47-234.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.235 | dhcp-47-235.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.236 | dhcp-47-236.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.237 | dhcp-47-237.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.238 | dhcp-47-238.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.239 | dhcp-47-239.caltech.edu | 2025-07-18 22:11:45 |
| 131.215.47.240 | dhcp-47-240.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.241 | dhcp-47-241.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.242 | dhcp-47-242.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.243 | dhcp-47-243.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.244 | dhcp-47-244.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.245 | dhcp-47-245.caltech.edu | 2025-07-14 23:47:51 |
| 131.215.47.254 | default-47.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 |