ASN AS29711 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS29711?

AS29711 is listed under Centura Health Corporation.

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.

AS29711 Centura Health Corporation

ASN Lookup Tool

Centura Health Corporation centura.org

US 2 Routes

AS Data

AS29711

AS29711 – Centura Health Corporation

AS Number	29711
AS Name	CENTURA-HEALTH
Organization	Centura Health Corporation(centu-10)
Country	US
Website	centura.org
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2018-05-21

ASN Intelligence API for production workflows

Use ASN data for AS29711 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
66.97.162.0/24	AS29711	Centura Health Corporation	Centura Health Corporation	256
66.97.163.0/24	AS29711	Centura Health Corporation	Centura Health Corporation	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:       29711
ASName:         CENTURA-HEALTH
ASHandle:       AS29711
RegDate:        2018-05-21
Updated:        2018-05-21    
Ref:            https://rdap.arin.net/registry/autnum/29711


OrgName:        Centura Health Corporation
OrgId:          CENTU-10
Address:        9100 E. Mineral Circle
City:           Englewood
StateProv:      CO
PostalCode:     80112
Country:        US
RegDate:        2004-08-04
Updated:        2025-09-19
Ref:            https://rdap.arin.net/registry/entity/CENTU-10


OrgNOCHandle: NOC33713-ARIN
OrgNOCName:   NOC
OrgNOCPhone:  +1-303-643-4210 
OrgNOCEmail:  arintech@centura.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC33713-ARIN

OrgTechHandle: TECH1427-ARIN
OrgTechName:   TECH
OrgTechPhone:  +1-303-643-4201 
OrgTechEmail:  arintech@centura.org
OrgTechRef:    https://rdap.arin.net/registry/entity/TECH1427-ARIN

OrgAbuseHandle: TECH1427-ARIN
OrgAbuseName:   TECH
OrgAbusePhone:  +1-303-643-4201 
OrgAbuseEmail:  arintech@centura.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TECH1427-ARIN

OrgAbuseHandle: CNA91-ARIN
OrgAbuseName:   CommonSpirit Network Abuse
OrgAbusePhone:  +1-888-307-0222 
OrgAbuseEmail:  network-abuse@commonspirit.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CNA91-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
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS3356	Level 3 Parent, LLC	US
AS33652	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS33652	Comcast Cable Communications, LLC	US

Contacts

Email Contacts

arintech@centura.org

Abuse Contacts

network-abuse@commonspirit.org