ASN AS2037 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS2037?

AS2037 is listed under California State University at Fresno.

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.

AS2037 California State University at Fresno

ASN Lookup Tool

California State University at Fresno csufresno.edu

US 2 Routes

AS Data

AS2037

AS2037 – California State University at Fresno

AS Number	2037
AS Name	CSUFRESNO
Organization	California State University at Fresno(csuaf-z)
Country	US
Website	csufresno.edu
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	1992-12-07

ASN Intelligence API for production workflows

Use ASN data for AS2037 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
129.8.0.0/16	AS2037	California State University at Fresno	California State University at Fresno	65536
198.207.154.0/23	AS2037	California State University at Fresno	California State University at Fresno	512

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:       2037
ASName:         CSUFRESNO
ASHandle:       AS2037
RegDate:        1992-12-07
Updated:        2024-01-29    
Ref:            https://rdap.arin.net/registry/autnum/2037


OrgName:        California State University at Fresno
OrgId:          CSUAF-Z
Address:        2225 E. San Ramon Ave
City:           Fresno
StateProv:      CA
PostalCode:     93740-0109
Country:        US
RegDate:        2024-01-15
Updated:        2024-01-15
Ref:            https://rdap.arin.net/registry/entity/CSUAF-Z


OrgNOCHandle: HO25-ORG-ARIN
OrgNOCName:   Hostmaster
OrgNOCPhone:  +1-559-278-3923 
OrgNOCEmail:  hostmaster@csufresno.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/HO25-ORG-ARIN

OrgAbuseHandle: HO25-ORG-ARIN
OrgAbuseName:   Hostmaster
OrgAbusePhone:  +1-559-278-3923 
OrgAbuseEmail:  hostmaster@csufresno.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HO25-ORG-ARIN

OrgTechHandle: HO25-ORG-ARIN
OrgTechName:   Hostmaster
OrgTechPhone:  +1-559-278-3923 
OrgTechEmail:  hostmaster@csufresno.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/HO25-ORG-ARIN

RTechHandle: HO25-ORG-ARIN
RTechName:   Hostmaster
RTechPhone:  +1-559-278-3923 
RTechEmail:  hostmaster@csufresno.edu
RTechRef:    https://rdap.arin.net/registry/entity/HO25-ORG-ARIN

RAbuseHandle: HO25-ORG-ARIN
RAbuseName:   Hostmaster
RAbusePhone:  +1-559-278-3923 
RAbuseEmail:  hostmaster@csufresno.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/HO25-ORG-ARIN

RNOCHandle: HO25-ORG-ARIN
RNOCName:   Hostmaster
RNOCPhone:  +1-559-278-3923 
RNOCEmail:  hostmaster@csufresno.edu
RNOCRef:    https://rdap.arin.net/registry/entity/HO25-ORG-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
AS2152	CENIC	US

Upstreams

AS Number	Description	Country
AS2153	CENIC	US
AS2152	CENIC	US