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:186)
| IP | Host | DateTime |
|---|---|---|
| 131.215.21.0 | noyes-1-2.net.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.1 | static-21-1.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.2 | noyesstat.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.3 | static-21-3.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.4 | jkpgroupversa500.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.5 | static-21-5.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.6 | static-21-6.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.7 | miller-print.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.8 | static-21-8.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.9 | tachyon.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.10 | static-21-10.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.11 | static-21-11.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.12 | jlbsvr.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.13 | aiomfac.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.14 | avrm1531.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.15 | avrm1532.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.16 | avrm1533.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.17 | avrm1534.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.18 | avrm1535.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.19 | avrm1536.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.20 | avrm1471.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.21 | avrm1472.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.22 | avrm1473.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.21.23 | avrm1474.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.24 | avrm1475.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.25 | avrm1476.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.31 | puffin.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.32 | terrier.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.33 | chacal.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.34 | ram3.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.63 | marcus.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.75 | pjb.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.76 | deann.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.78 | static-21-78.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.85 | lenore.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.86 | static-21-86.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.87 | jkbgroupfreezer.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.88 | static-21-88.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.91 | chemphys.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.92 | static-21-92.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.96 | static-21-96.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.99 | lewis-admin-assistant.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.100 | dhcp-21-100.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.101 | dhcp-21-101.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.102 | dhcp-21-102.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.103 | dhcp-21-103.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.104 | dhcp-21-104.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.105 | dhcp-21-105.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.106 | dhcp-21-106.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.107 | dhcp-21-107.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.108 | dhcp-21-108.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.109 | dhcp-21-109.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.110 | dhcp-21-110.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.111 | dhcp-21-111.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.112 | dhcp-21-112.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.113 | dhcp-21-113.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.114 | millergroup.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.115 | dhcp-21-115.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.116 | dhcp-21-116.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.21.117 | dhcp-21-117.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.118 | dhcp-21-118.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.119 | dhcp-21-119.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.120 | dhcp-21-120.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.121 | dhcp-21-121.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.122 | dhcp-21-122.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.123 | dhcp-21-123.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.124 | dhcp-21-124.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.125 | dhcp-21-125.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.126 | dhcp-21-126.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.127 | dhcp-21-127.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.128 | static-21-128.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.131 | dipole.mo.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.136 | dhcp-21-136.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.137 | dhcp-21-137.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.138 | dhcp-21-138.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.139 | dhcp-21-139.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.140 | dhcp-21-140.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.141 | dhcp-21-141.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.142 | dhcp-21-142.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.143 | dhcp-21-143.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.144 | dhcp-21-144.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.145 | dhcp-21-145.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.146 | dhcp-21-146.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.147 | dhcp-21-147.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.148 | dhcp-21-148.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.149 | dhcp-21-149.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.21.150 | dhcp-21-150.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.151 | dhcp-21-151.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.152 | dhcp-21-152.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.153 | dhcp-21-153.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.154 | dhcp-21-154.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.155 | dhcp-21-155.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.156 | dhcp-21-156.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.157 | dhcp-21-157.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.21.158 | dhcp-21-158.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.159 | dhcp-21-159.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.21.160 | dhcp-21-160.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.161 | dhcp-21-161.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.21.162 | dhcp-21-162.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.163 | dhcp-21-163.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.164 | dhcp-21-164.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.165 | dhcp-21-165.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.166 | dhcp-21-166.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.167 | dhcp-21-167.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.168 | dhcp-21-168.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.169 | dhcp-21-169.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.21.170 | dhcp-21-170.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.171 | dhcp-21-171.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.172 | dhcp-21-172.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.173 | dhcp-21-173.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.174 | dhcp-21-174.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.175 | dhcp-21-175.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.176 | dhcp-21-176.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.177 | dhcp-21-177.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.178 | dhcp-21-178.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.179 | dhcp-21-179.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.180 | dhcp-21-180.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.181 | dhcp-21-181.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.182 | dhcp-21-182.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.183 | dhcp-21-183.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.184 | dhcp-21-184.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.185 | dhcp-21-185.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.186 | dhcp-21-186.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.187 | dhcp-21-187.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.188 | dhcp-21-188.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.189 | dhcp-21-189.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.190 | dhcp-21-190.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.191 | dhcp-21-191.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.192 | dhcp-21-192.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.193 | dhcp-21-193.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.194 | dhcp-21-194.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.21.195 | dhcp-21-195.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.196 | dhcp-21-196.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.197 | dhcp-21-197.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.198 | dhcp-21-198.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.199 | dhcp-21-199.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.200 | dhcp-21-200.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.201 | dhcp-21-201.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.202 | dhcp-21-202.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.203 | dhcp-21-203.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.204 | dhcp-21-204.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.205 | dhcp-21-205.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.206 | dhcp-21-206.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.207 | dhcp-21-207.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.208 | dhcp-21-208.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.209 | dhcp-21-209.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.210 | dhcp-21-210.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.211 | dhcp-21-211.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.212 | dhcp-21-212.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.213 | dhcp-21-213.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.214 | dhcp-21-214.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.215 | dhcp-21-215.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.216 | dhcp-21-216.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.217 | dhcp-21-217.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.218 | dhcp-21-218.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.219 | dhcp-21-219.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.220 | dhcp-21-220.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.221 | dhcp-21-221.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.222 | dhcp-21-222.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.223 | dhcp-21-223.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.224 | dhcp-21-224.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.225 | dhcp-21-225.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.226 | dhcp-21-226.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.227 | dhcp-21-227.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.228 | dhcp-21-228.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.229 | dhcp-21-229.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.230 | dhcp-21-230.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.231 | dhcp-21-231.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.232 | dhcp-21-232.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.233 | dhcp-21-233.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.234 | dhcp-21-234.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.235 | dhcp-21-235.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.236 | dhcp-21-236.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.237 | dhcp-21-237.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.238 | dhcp-21-238.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.239 | dhcp-21-239.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.240 | dhcp-21-240.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.241 | dhcp-21-241.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.242 | dhcp-21-242.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.243 | dhcp-21-243.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.244 | dhcp-21-244.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.245 | dhcp-21-245.caltech.edu | 2025-07-09 13:55:50 |
| 131.215.21.251 | fluke-21.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.252 | noyes-rsw-21.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.254 | default-21.caltech.edu | 2025-07-14 23:47:13 |
| 131.215.21.255 | broadcast-21.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 |