ASN AS7377 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS7377?

AS7377 is listed under University of California, San Diego.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS7377 University of California, San Diego

ASN Lookup Tool

University of California, San Diego ucsd.edu

US 20 Routes

AS Data

AS7377

AS7377 – University of California, San Diego

AS Number	7377
AS Name	UCSD
Organization	University of California, San Diego(ucsd-1-z)
Country	US
Website	ucsd.edu
Number of IPv4 Routes	18
Number of IPv6 Routes	2
ASN type	EDUCATION
Registry	ARIN
Date Allocated	1996-11-25

ASN Intelligence API for production workflows

Use ASN data for AS7377 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
69.196.32.0/19	AS7377	University of California, San Diego	The Regents of the University of California University of California, San Diego.	8192
216.151.38.0/24	AS7377	University of California, San Diego	RGnet, LLC	256
2001:48d0:c000::/34	AS7377	University of California, San Diego	San Diego Supercomputer Center	~20×10²⁷
2607:f720::/32	AS7377	University of California, San Diego	University of California, San Diego	~79×10²⁷
192.135.238.0/24	AS7377	University of California, San Diego	Marine Physical Lab/UCSD	256
192.154.1.0/24	AS7377	University of California, San Diego	University of California at San Diego	256
132.239.0.0/16	AS7377	University of California, San Diego	University of California, San Diego	65536
44.0.0.0/9	AS7377	University of California, San Diego	Amateur Radio Digital Communications	8388608
207.34.0.0/24	AS7377	University of California, San Diego	RGnet, LLC	256
128.54.0.0/16	AS7377	University of California, San Diego	University of California, San Diego	65536

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       7377
ASName:         UCSD
ASHandle:       AS7377
RegDate:        1996-11-25
Updated:        2023-12-19    
Ref:            https://rdap.arin.net/registry/autnum/7377


OrgName:        University of California, San Diego
OrgId:          UCSD-1-Z
Address:        IT Services
Address:        9500 Gilman Dr, #0903
Address:        Attn: Hostmaster
City:           La Jolla
StateProv:      CA
PostalCode:     92093-0903
Country:        US
RegDate:        2023-08-23
Updated:        2026-02-11
Ref:            https://rdap.arin.net/registry/entity/UCSD-1-Z


OrgNOCHandle: NOC1807-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-858-822-0249 
OrgNOCEmail:  datacom-mgmt-l@ucsd.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC1807-ARIN

OrgAbuseHandle: UCSDA-ARIN
OrgAbuseName:   UCSD Abuse
OrgAbusePhone:  +1-858-822-4040 
OrgAbuseEmail:  abuse@ucsd.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UCSDA-ARIN

OrgTechHandle: NOC1807-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-858-822-0249 
OrgTechEmail:  datacom-mgmt-l@ucsd.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC1807-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS2153	CENIC	US
AS26397	The Regents of the University of California University of California, San Diego.	US
AS26397	The Regents of the University of California - University of California, San Diego.	US
AS2152	CENIC	US

Upstreams

AS Number	Description	Country
AS2153	CENIC	US
AS2152	CENIC	US

Downstreams

AS Number	Description	Country
AS26397	The Regents of the University of California University of California, San Diego.	US

Contacts

Email Contacts

datacom-mgmt-l@ucsd.edu

Abuse Contacts

abuse@ucsd.edu