AS21965 Highmark Inc

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	157.154.3.0/24	Highmark Inc		157.154.0.0/16	ARIN
	157.154.4.0/24	Highmark Inc		157.154.0.0/16	ARIN
	157.154.5.0/24	Highmark Inc		157.154.0.0/16	ARIN
	157.154.6.0/24	Highmark Inc		157.255.0.0/16	APNIC
	157.154.7.0/24	Highmark Inc		157.154.0.0/16	ARIN
	157.154.8.0/24	Highmark Inc		157.154.0.0/16	ARIN
	157.154.11.0/24	Highmark Inc		157.154.0.0/16	ARIN
	157.154.14.0/24	Highmark Inc		157.154.0.0/16	ARIN
	167.164.3.0/24	Highmark Inc		167.164.0.0/16	ARIN
	167.164.4.0/24	Highmark Inc		167.164.0.0/16	ARIN
	167.164.5.0/24	Highmark Inc		167.164.0.0/16	ARIN
	167.164.6.0/24	Highmark Inc		167.164.0.0/16	ARIN
	167.164.7.0/24	Highmark Inc		167.164.0.0/16	ARIN
	167.164.8.0/24	Highmark Inc		167.164.0.0/16	ARIN
	167.164.11.0/24	Highmark Inc		167.164.0.0/16	ARIN
	167.164.14.0/24	Highmark Inc		167.164.0.0/16	ARIN
	167.164.20.0/24	Highmark Inc		167.164.0.0/16	ARIN
	192.152.123.0/24	Highmark Inc		192.152.123.0/24	ARIN
	199.190.160.0/24	Highmark Inc		199.190.160.0/23	ARIN
	199.190.163.0/24	Highmark Inc		199.190.163.0/24	ARIN
	199.190.164.0/24	Highmark Inc		199.190.164.0/24	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS46887	CROWNCASTLE-AS46887	Crown Castle Fiber LLC
	AS7018	ATT-INTERNET4	AT&T Services, Inc.
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS701	UUNET	Verizon Business
	AS22255	ALLEGHENYHEALTHNETWORK	Allegheny Health Network
	AS7016	CCCH-3	Comcast Cable Communications, LLC
	AS15830	Equinix	Equinix (EMEA) Acquisition Enterprises B.V.

• IPv4 Upstreams

Country	ASN	Name	Description
	AS701	UUNET	Verizon Business
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS46887	CROWNCASTLE-AS46887	Crown Castle Fiber LLC
	AS7018	ATT-INTERNET4	AT&T Services, Inc.
	AS15830	Equinix	Equinix (EMEA) Acquisition Enterprises B.V.
	AS7016	CCCH-3	Comcast Cable Communications, LLC

IPv4 Upstream Graph

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IPv4 Upstream Graph

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• IPv4 Downstreams

Country	ASN	Name	Description
	AS22255	ALLEGHENYHEALTHNETWORK	Allegheny Health Network

#
# 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.
#


ASNumber:       21965
ASName:         HIGHMARK
ASHandle:       AS21965
RegDate:        2001-07-19
Updated:        2014-10-27    
Ref:            https://rdap.arin.net/registry/autnum/21965


OrgName:        Highmark Inc
OrgId:          HIGHM-5
Address:        120 Fifth Avenue Place
City:           Pittsburgh
StateProv:      PA
PostalCode:     15222
Country:        US
RegDate:        2012-08-29
Updated:        2012-08-29
Ref:            https://rdap.arin.net/registry/entity/HIGHM-5


OrgAbuseHandle: WWWAD-ARIN
OrgAbuseName:   www-admin
OrgAbusePhone:  +1-717-302-6739 
OrgAbuseEmail:  arinpoc@highmark.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WWWAD-ARIN

OrgNOCHandle: WWWAD-ARIN
OrgNOCName:   www-admin
OrgNOCPhone:  +1-717-302-6739 
OrgNOCEmail:  arinpoc@highmark.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/WWWAD-ARIN

OrgTechHandle: WWWAD-ARIN
OrgTechName:   www-admin
OrgTechPhone:  +1-717-302-6739 
OrgTechEmail:  arinpoc@highmark.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WWWAD-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.
#