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AS54492 CareFirst Management Company, LLC

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

CareFirst Management Company, LLC carefirst.com

US 1 Routes

AS Data

AS54492

AS54492 – CareFirst Management Company, LLC

AS Number	54492
AS Name	CAREFIRST-BCBS-01
Organization	CareFirst Management Company, LLC(cml-295)
Country	US
Website	carefirst.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2023-05-25

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Use ASN data for AS54492 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
170.22.170.0/23	AS54492	CareFirst Management Company, LLC	CareFirst Management Company, LLC	512

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:       54492
ASName:         CAREFIRST-BCBS-01
ASHandle:       AS54492
RegDate:        2023-05-25
Updated:        2023-05-25    
Ref:            https://rdap.arin.net/registry/autnum/54492


OrgName:        CareFirst Management Company, LLC
OrgId:          CML-295
Address:        1501 S. Clinton St.
City:           Baltimore
StateProv:      MD
PostalCode:     21224
Country:        US
RegDate:        2023-03-24
Updated:        2026-01-09
Ref:            https://rdap.arin.net/registry/entity/CML-295


OrgTechHandle: BLAKE257-ARIN
OrgTechName:   Blake, Christopher 
OrgTechPhone:  +1-410-880-6463 
OrgTechEmail:  Christopher.Blake@carefirst.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BLAKE257-ARIN

OrgAbuseHandle: BLAKE257-ARIN
OrgAbuseName:   Blake, Christopher 
OrgAbusePhone:  +1-410-880-6463 
OrgAbuseEmail:  Christopher.Blake@carefirst.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BLAKE257-ARIN

OrgAbuseHandle: KAB4-ARIN
OrgAbuseName:   Boblits, Keith A.
OrgAbusePhone:  +1-410-998-5576 
OrgAbuseEmail:  keith.boblits@carefirst.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/KAB4-ARIN

OrgTechHandle: KAB4-ARIN
OrgTechName:   Boblits, Keith A.
OrgTechPhone:  +1-410-998-5576 
OrgTechEmail:  keith.boblits@carefirst.com
OrgTechRef:    https://rdap.arin.net/registry/entity/KAB4-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

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US

Frequently Asked Questions

What is ASN AS54492?

ASN AS54492 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS54492?

AS54492 is listed under CareFirst Management Company, LLC.

What do peers, upstreams, and downstreams mean?

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 included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.