ASN AS21803 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21803?

AS21803 is listed under Cedar Networks.

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.

AS21803 Cedar Networks | IPGeolocation.io

ASN Lookup Tool

Cedar Networks cedarnetworks.com

US 54 Routes

AS Data

AS21803

AS21803 – Cedar Networks

AS Number	21803
AS Name	CEDAR-NETWORKS
Organization	Cedar Networks(zippy-1)
Country	US
Website	cedarnetworks.com
Number of IPv4 Routes	54
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2001-06-21

ASN Intelligence API for production workflows

Use ASN data for AS21803 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

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
69.39.23.0/24	AS21803	Cedar Networks	Cedar Networks	256
69.39.28.0/24	AS21803	Cedar Networks	Cedar Networks	256
69.39.14.0/24	AS21803	Cedar Networks	Cedar Networks	256
209.140.4.0/24	AS21803	Cedar Networks	Cedar Networks	256
67.223.164.0/24	AS21803	Cedar Networks	Cedar Networks	256
209.140.15.0/24	AS21803	Cedar Networks	Cedar Networks	256
69.39.0.0/24	AS21803	Cedar Networks	Cedar Networks	256
67.223.167.0/24	AS21803	Cedar Networks	Cedar Networks	256
69.39.7.0/24	AS21803	Cedar Networks	Cedar Networks	256
67.223.170.0/24	AS21803	Cedar Networks	Cedar Networks	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:       21803
ASName:         CEDAR-NETWORKS
ASHandle:       AS21803
RegDate:        2001-06-21
Updated:        2025-09-12    
Ref:            https://rdap.arin.net/registry/autnum/21803


OrgName:        Cedar Networks
OrgId:          ZIPPY-1
Address:        10 Town Plaza #152
City:           Durango
StateProv:      CO
PostalCode:     81301
Country:        US
RegDate:        2010-03-02
Updated:        2025-09-29
Ref:            https://rdap.arin.net/registry/entity/ZIPPY-1

ReferralServer:  rwhois://rwhois.1cis.com:4321

OrgTechHandle: LEVYR7-ARIN
OrgTechName:   Levy, Reg 
OrgTechPhone:  +1-323-880-0831 
OrgTechEmail:  rlevy@tucows.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LEVYR7-ARIN

OrgAbuseHandle: AST150-ARIN
OrgAbuseName:   Abuse Security Team
OrgAbusePhone:  +1-888-511-7284 
OrgAbuseEmail:  abuse@ting.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AST150-ARIN

OrgTechHandle: SPT8-ARIN
OrgTechName:   St. Pierre, Tim 
OrgTechPhone:  +1-289-225-0010 
OrgTechEmail:  tstpierre@ting.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SPT8-ARIN

OrgTechHandle: CLEAR13-ARIN
OrgTechName:   Clearnetworx Admin
OrgTechPhone:  +1-970-240-6600 
OrgTechEmail:  admin@clearnetworx.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CLEAR13-ARIN

OrgTechHandle: DIACO-ARIN
OrgTechName:   Diaconita, Dragos 
OrgTechPhone:  +1-416-535-0123 
OrgTechEmail:  ddiaconita@tucows.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DIACO-ARIN

OrgTechHandle: MELEC-ARIN
OrgTechName:   Mele, Christopher 
OrgTechPhone:  +1-416-535-0123 
OrgTechEmail:  cmele@ting.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MELEC-ARIN

RTechHandle: VERME5-ARIN
RTechName:   Vermeer, Arnoud 
RTechPhone:  +1-416-535-0123 
RTechEmail:  avermeer@ting.com
RTechRef:    https://rdap.arin.net/registry/entity/VERME5-ARIN

RTechHandle: LEHEU-ARIN
RTechName:   Le Heux, Alex 
RTechPhone:  +1-416-535-0123 
RTechEmail:  aleheux@tucowsinc.com
RTechRef:    https://rdap.arin.net/registry/entity/LEHEU-ARIN

RTechHandle: MPE54-ARIN
RTechName:   Peterson, Matt 
RTechPhone:  +1-510-315-1948 
RTechEmail:  matt+arin@peterson.org
RTechRef:    https://rdap.arin.net/registry/entity/MPE54-ARIN

RTechHandle: DIACO-ARIN
RTechName:   Diaconita, Dragos 
RTechPhone:  +1-416-535-0123 
RTechEmail:  ddiaconita@tucows.com
RTechRef:    https://rdap.arin.net/registry/entity/DIACO-ARIN

RTechHandle: CLEAR13-ARIN
RTechName:   Clearnetworx Admin
RTechPhone:  +1-970-240-6600 
RTechEmail:  admin@clearnetworx.com
RTechRef:    https://rdap.arin.net/registry/entity/CLEAR13-ARIN

RTechHandle: JEFFA-ARIN
RTechName:   Fink, Jeff A
RTechPhone:  +1-970-385-2500 
RTechEmail:  jfink@cedarnetworks.com
RTechRef:    https://rdap.arin.net/registry/entity/JEFFA-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
AS6653	Vero Broadband	US
AS209	CenturyLink Communications, LLC	US
AS3356	Level 3 Parent, LLC	US
AS394195	Clearnetworx	US

Upstreams

AS Number	Description	Country
AS6653	Vero Broadband	US
AS209	CenturyLink Communications, LLC	US
AS3356	Level 3 Parent, LLC	US
AS394195	Clearnetworx	US

Contacts

Email Contacts

admin@clearnetworx.com tstpierre@ting.com ddiaconita@tucows.com cmele@ting.com rlevy@tucows.com

Abuse Contacts

abuse@ting.com