AS63138 Blue Shield of California

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	165.253.34.0/24	Blue Shield of California		165.253.0.0/16	ARIN
	165.253.35.0/24	Blue Shield of California		165.253.0.0/16	ARIN
	165.253.42.0/24	Blue Shield of California		165.253.0.0/16	ARIN
	165.253.134.0/24	Blue Shield of California		165.253.0.0/16	ARIN
	165.253.135.0/24	Blue Shield of California		165.253.0.0/16	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS701	UUNET	Verizon Business
	AS174	COGENT-174	Cogent Communications

• IPv4 Upstreams

Country	ASN	Name	Description
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS701	UUNET	Verizon Business
	AS174	COGENT-174	Cogent Communications

IPv4 Upstream Graph

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IPv4 Upstream Graph

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#
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ASNumber:       63138
ASName:         SAC-COLO1
ASHandle:       AS63138
RegDate:        2014-08-07
Updated:        2014-08-07    
Ref:            https://rdap.arin.net/registry/autnum/63138


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


OrgAbuseHandle: ITSIR-ARIN
OrgAbuseName:   IT-SIRT
OrgAbusePhone:  +1-916-350-7005 
OrgAbuseEmail:  abuse@blueshieldca.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ITSIR-ARIN

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


#
# 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.
#