ASN AS63174 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS63174?

AS63174 is listed under Blue Shield of California.

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.

AS63174 Blue Shield of California

ASN Lookup Tool

Blue Shield of California blueshieldca.com

US 3 Routes

AS Data

AS63174

AS63174 – Blue Shield of California

AS Number	63174
AS Name	LAS-COLO2
Organization	Blue Shield of California(bsc-1)
Country	US
Website	blueshieldca.com
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2014-08-28

ASN Intelligence API for production workflows

Use ASN data for AS63174 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
165.253.43.0/24	AS63174	Blue Shield of California	Blue Shield of California	256
165.253.144.0/24	AS63174	Blue Shield of California	Blue Shield of California	256
165.253.64.0/23	AS63174	Blue Shield of California	Blue Shield of California	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:       63174
ASName:         LAS-COLO2
ASHandle:       AS63174
RegDate:        2014-08-28
Updated:        2014-08-28    
Ref:            https://rdap.arin.net/registry/autnum/63174


OrgName:        Blue Shield of California
OrgId:          BSC-1
Address:        4203 Town Center Blvd
City:           El Dorado Hills
StateProv:      CA
PostalCode:     95762
Country:        US
RegDate:        1993-10-18
Updated:        2021-11-15
Ref:            https://rdap.arin.net/registry/entity/BSC-1


OrgTechHandle: ITNET15-ARIN
OrgTechName:   IT-Network Engineering
OrgTechPhone:  +1-916-350-7507 
OrgTechEmail:  IT-NetworkEngineering@blueshieldca.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ITNET15-ARIN

OrgAbuseHandle: ITSIR-ARIN
OrgAbuseName:   IT-SIRT
OrgAbusePhone:  +1-916-350-7005 
OrgAbuseEmail:  abuse@blueshieldca.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ITSIR-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
AS22911	SINAP-TIX, LLC	US
AS1239	Cogent Communications, LLC	US
AS701	Verizon Business/UUnet	US
AS3356	Level 3 Parent, LLC	US
AS22911	SINAP TIX, LLC	US
AS23005	SWITCH, LTD	US
AS174	Cogent Communications, LLC	US
AS701	Verizon Business	US