AS40959 City and County of Denver - Denver International Airport

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	63.156.62.0/24	City and County of Denver - Denver International Airport		61.250.64.0/18	APNIC
	65.120.176.0/24	CenturyLink Communications, LLC		66.63.0.0/18	ARIN
	169.133.32.0/24	CITY AND COUNTY OF DENVER		169.133.0.0/16	ARIN
	198.202.200.0/24	City and County of Denver - Denver International Airport		198.202.200.0/22	ARIN
	198.202.201.0/24	City and County of Denver - Denver International Airport		198.202.200.0/22	ARIN
	198.202.202.0/24	CITY AND COUNTY OF DENVER		198.202.200.0/22	ARIN
	198.202.203.0/24	City and County of Denver - Denver International Airport		198.202.200.0/22	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS209	CENTURYLINK-US-LEGACY-QWEST	CenturyLink Communications, LLC

• IPv4 Upstreams

Country	ASN	Name	Description
	AS209	CENTURYLINK-US-LEGACY-QWEST	CenturyLink Communications, LLC

IPv4 Upstream Graph

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IPv4 Upstream Graph

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#
# 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/
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# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
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ASNumber:       40959
ASName:         HOSTMASTER
ASHandle:       AS40959
RegDate:        2008-06-04
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/40959


OrgName:        City and County of Denver -  Denver International Airport
OrgId:          CCDDIA
Address:        8500 Pena Blvd
Address:        AOB - Telecommunications
City:           Denver
StateProv:      CO
PostalCode:     80249-6205
Country:        US
RegDate:        1993-10-13
Updated:        2020-03-20
Ref:            https://rdap.arin.net/registry/entity/CCDDIA


OrgNOCHandle: DEN49-ARIN
OrgNOCName:   DEN
OrgNOCPhone:  +1-303-342-4717 
OrgNOCEmail:  anthony.costa@flydenver.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/DEN49-ARIN

OrgTechHandle: DEN49-ARIN
OrgTechName:   DEN
OrgTechPhone:  +1-303-342-4717 
OrgTechEmail:  anthony.costa@flydenver.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DEN49-ARIN

OrgAbuseHandle: DEN49-ARIN
OrgAbuseName:   DEN
OrgAbusePhone:  +1-303-342-4717 
OrgAbuseEmail:  anthony.costa@flydenver.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DEN49-ARIN

RTechHandle: HOSTM257-ARIN
RTechName:   Hostmaster
RTechPhone:  +1-303-342-2012 
RTechEmail:  hostmaster@flydenver.com
RTechRef:    https://rdap.arin.net/registry/entity/HOSTM257-ARIN

RAbuseHandle: NETWO282-ARIN
RAbuseName:   Network Abuse
RAbusePhone:  +1-303-342-2012 
RAbuseEmail:  abuse@flydenver.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO282-ARIN

RNOCHandle: NOC1280-ARIN
RNOCName:   NOC
RNOCPhone:  +1-303-342-2012 
RNOCEmail:  noc@flydenver.com
RNOCRef:    https://rdap.arin.net/registry/entity/NOC1280-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 1997-2025, American Registry for Internet Numbers, Ltd.
#