What is ASN AS394435?

ASN AS394435 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS394435?

AS394435 is listed under Alameda County Library.

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.

AS394435 Alameda County Library

ASN Lookup Tool

Alameda County Library aclibrary.org

US 1 Routes

AS Data

AS394435

AS394435 – Alameda County Library

AS Number	394435
AS Name	ACLIBRARY
Organization	Alameda County Library(acl-400)
Country	US
Website	aclibrary.org
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2015-09-08

ASN Intelligence API for production workflows

Use ASN data for AS394435 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
166.107.160.0/22	AS394435	Alameda County Library	Alameda County	1024

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:       394435
ASName:         ACLIBRARY
ASHandle:       AS394435
RegDate:        2015-09-08
Updated:        2015-09-08    
Ref:            https://rdap.arin.net/registry/autnum/394435


OrgName:        Alameda County Library
OrgId:          ACL-400
Address:        2450 Stevenson Blvd
City:           Fremont
StateProv:      CA
PostalCode:     94538
Country:        US
RegDate:        2015-08-14
Updated:        2021-03-16
Ref:            https://rdap.arin.net/registry/entity/ACL-400


OrgTechHandle: SHING4-ARIN
OrgTechName:   Shing, Raymond 
OrgTechPhone:  +1-510-815-2487 
OrgTechEmail:  rshing@aclibrary.org
OrgTechRef:    https://rdap.arin.net/registry/entity/SHING4-ARIN

OrgAbuseHandle: ZHAOP2-ARIN
OrgAbuseName:   Zhao, Pam 
OrgAbusePhone:  +1-510-745-1560 
OrgAbuseEmail:  pzhao@aclibrary.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZHAOP2-ARIN

OrgAbuseHandle: SHING4-ARIN
OrgAbuseName:   Shing, Raymond 
OrgAbusePhone:  +1-510-815-2487 
OrgAbuseEmail:  rshing@aclibrary.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SHING4-ARIN

OrgNOCHandle: ZHAOP2-ARIN
OrgNOCName:   Zhao, Pam 
OrgNOCPhone:  +1-510-745-1560 
OrgNOCEmail:  pzhao@aclibrary.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZHAOP2-ARIN

OrgNOCHandle: SHING4-ARIN
OrgNOCName:   Shing, Raymond 
OrgNOCPhone:  +1-510-815-2487 
OrgNOCEmail:  rshing@aclibrary.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/SHING4-ARIN

OrgTechHandle: ZHAOP2-ARIN
OrgTechName:   Zhao, Pam 
OrgTechPhone:  +1-510-745-1560 
OrgTechEmail:  pzhao@aclibrary.org
OrgTechRef:    https://rdap.arin.net/registry/entity/ZHAOP2-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
AS2152	CENIC	US

Upstreams

AS Number	Description	Country
AS2152	CENIC	US