BigDataCloud Logo
Documentation Pricing
Login

ASN Lookup Tool
AS7377 University of California, San Diego

An Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.

ASN Lookup for:

AS7377

Powered By:
ASN Extended Info API
BGP Active Prefixes API
ASN Details JSON View

ASN Details

ASN
AS7377
Organisation
University of California, San Diego
AS Name
UCSD
IPv4 Addresses Announced
12,099,951
IPv4 Prefixes Announced
864
IPv6 Prefixes Announced
33
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#40 out of 75,468
Registry
Arin
Registered Country
US flag US
Registration Date
1996-11-25
Registration Change
2016-01-15

Receiving From

ASN
Organisation
ASN
AS2152
Organisation
US flag California State University, Office of the Chanc..
ASN
AS13335
Organisation
US flag Cloudflare, Inc.
ASN
AS2153
Organisation
US flag California State University, Office of the Chanc..

Transit To

ASN
Organisation
ASN
AS26397
Organisation
US flag The Regents of the University of California - Un..

Active Prefixes IPv4

Prefix
Range From
Range To
Prefix
128.54.0.0/16
Range From
128.54.0.0
Range To
128.54.255.255
Prefix
132.239.0.0/16
Range From
132.239.0.0
Range To
132.239.255.255
Prefix
137.110.0.0/16
Range From
137.110.0.0
Range To
137.110.255.255
Prefix
169.228.0.0/17
Range From
169.228.0.0
Range To
169.228.127.255
Prefix
169.228.128.0/23
Range From
169.228.128.0
Range To
169.228.129.255
Prefix
169.228.133.0/24
Range From
169.228.133.0
Range To
169.228.133.255
Prefix
169.228.134.0/23
Range From
169.228.134.0
Range To
169.228.135.255
Prefix
169.228.136.0/21
Range From
169.228.136.0
Range To
169.228.143.255
Prefix
169.228.144.0/20
Range From
169.228.144.0
Range To
169.228.159.255
Prefix
169.228.160.0/19
Range From
169.228.160.0
Range To
169.228.191.255
Showing 10 of 864 Results View More >

Active Prefixes IPv6

Prefix
Range From
Range To
Prefix
2001:48d0:c000::/34
Range From
2001:48d0:c000::
Range To
2001:48d0:ffff:ffff:ffff:ffff:ffff:ffff
Prefix
2607:f720::/36
Range From
2607:f720::
Range To
2607:f720:fff:ffff:ffff:ffff:ffff:ffff
Prefix
2607:f720:1000::/38
Range From
2607:f720:1000::
Range To
2607:f720:13ff:ffff:ffff:ffff:ffff:ffff
Prefix
2607:f720:1400::/39
Range From
2607:f720:1400::
Range To
2607:f720:15ff:ffff:ffff:ffff:ffff:ffff
Prefix
2607:f720:1600::/40
Range From
2607:f720:1600::
Range To
2607:f720:16ff:ffff:ffff:ffff:ffff:ffff
Prefix
2607:f720:1700::/52
Range From
2607:f720:1700::
Range To
2607:f720:1700:fff:ffff:ffff:ffff:ffff
Prefix
2607:f720:1700:1000::/53
Range From
2607:f720:1700:1000::
Range To
2607:f720:1700:17ff:ffff:ffff:ffff:ffff
Prefix
2607:f720:1700:1800::/55
Range From
2607:f720:1700:1800::
Range To
2607:f720:1700:19ff:ffff:ffff:ffff:ffff
Prefix
2607:f720:1700:1a00::/56
Range From
2607:f720:1700:1a00::
Range To
2607:f720:1700:1aff:ffff:ffff:ffff:ffff
Prefix
2607:f720:1700:1b00::/59
Range From
2607:f720:1700:1b00::
Range To
2607:f720:1700:1b1f:ffff:ffff:ffff:ffff
Showing 10 of 33 Results View More >