What is ASN AS400077?

ASN AS400077 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400077?

AS400077 is listed under Pueblo City County Library District.

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.

AS400077 Pueblo City County Library District

ASN Lookup Tool

Pueblo City County Library District pueblolibrary.org

US 1 Routes

AS Data

AS400077

AS400077 – Pueblo City County Library District

AS Number	400077
AS Name	PCCLD-PRIMARY-PUBLIC01
Organization	Pueblo City County Library District(pcld-2)
Country	US
Website	pueblolibrary.org
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2021-09-23

ASN Intelligence API for production workflows

Use ASN data for AS400077 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
66.59.218.0/24	AS400077	Pueblo City County Library District	Pueblo City County Library District	256

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:       400077
ASName:         PCCLD-PRIMARY-PUBLIC01
ASHandle:       AS400077
RegDate:        2021-09-23
Updated:        2021-09-23    
Ref:            https://rdap.arin.net/registry/autnum/400077


OrgName:        Pueblo City-County Library District
OrgId:          PCLD-2
Address:        100 E Abriendo Ave
City:           Pueblo
StateProv:      CO
PostalCode:     81004
Country:        US
RegDate:        2021-08-26
Updated:        2024-09-20
Ref:            https://rdap.arin.net/registry/entity/PCLD-2


OrgNOCHandle: ADMIN8802-ARIN
OrgNOCName:   Administrator
OrgNOCPhone:  +1-719-562-5622 
OrgNOCEmail:  thomas.defrates@pueblolibrary.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/ADMIN8802-ARIN

OrgDNSHandle: ADMIN8802-ARIN
OrgDNSName:   Administrator
OrgDNSPhone:  +1-719-562-5622 
OrgDNSEmail:  thomas.defrates@pueblolibrary.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/ADMIN8802-ARIN

OrgAbuseHandle: ADMIN8802-ARIN
OrgAbuseName:   Administrator
OrgAbusePhone:  +1-719-562-5622 
OrgAbuseEmail:  thomas.defrates@pueblolibrary.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ADMIN8802-ARIN

OrgRoutingHandle: ADMIN8802-ARIN
OrgRoutingName:   Administrator
OrgRoutingPhone:  +1-719-562-5622 
OrgRoutingEmail:  thomas.defrates@pueblolibrary.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ADMIN8802-ARIN

OrgTechHandle: ADMIN8802-ARIN
OrgTechName:   Administrator
OrgTechPhone:  +1-719-562-5622 
OrgTechEmail:  thomas.defrates@pueblolibrary.org
OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN8802-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
AS11686	Zayo Bandwidth	US

Upstreams

AS Number	Description	Country
AS11686	Zayo Bandwidth	US