AS31

California Institute of Technology

AS 31 CIT

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

134,156 IP addresses
ASN31
NameCIT
OrganizationCalifornia Institute of Technology
CountryUnited States  
RegistryARIN
IPv4 addresses134,156
IPv6 /64 networks232
Prefixes19
IPv4 Prefixes for AS31 - showing the first 12 of 15 networks
Network Location Addresses
131.215.0.0/16 California Institute of Technology   Pasadena 65,536
131.215.229.0/24 California Institute of Technology   Pasadena 256
131.215.230.0/24 California Institute of Technology   Pasadena 256
131.215.234.0/24 California Institute of Technology   Pasadena 256
131.215.239.0/24 California Institute of Technology   Pasadena 256
131.215.240.0/24 California Institute of Technology   Vidalia 256
131.215.242.0/23 California Institute of Technology   Pasadena 512
131.215.244.0/23 California Institute of Technology   Pasadena 512
134.4.0.0/16 California Institute of Technology   Pasadena 65,536
192.12.19.0/24 California Institute of Technology   Pasadena 256
192.31.43.0/24 California Institute of Technology   Pasadena 256
192.41.208.0/24 California Institute of Technology   Pasadena 256
IPv6 Prefixes for AS31
Network Location /64 Prefixes
2607:f520::/32 California Institute of Technology   Pasadena 232