AS2021 Unisys Corporation

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	192.59.56.0/22	Unisys Corporation		192.59.0.0/16	ARIN
	192.59.81.0/24	Unisys Corporation		192.59.0.0/16	ARIN
	192.59.155.0/24	Unisys Corporation		192.59.0.0/16	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS52925	Ascenty Data Centers e Telecomunicai¿½i¿½es S/A	Ascenty Data Centers e Telecomunicai¿½i¿½es S/A
	AS2688	ATGS-MMD-AS	AT&T Enterprises, LLC
	AS3549	LVLT-3549	Level 3 Parent, LLC

• IPv4 Upstreams

Country	ASN	Name	Description
	AS2688	ATGS-MMD-AS	AT&T Enterprises, LLC
	AS3549	LVLT-3549	Level 3 Parent, LLC
	AS52925	Ascenty Data Centers e Telecomunicai¿½i¿½es S/A	Ascenty Data Centers e Telecomunicai¿½i¿½es S/A

IPv4 Upstream Graph

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IPv4 Upstream Graph

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#
# 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:       2021
ASName:         UNISYS-INT
ASHandle:       AS2021
RegDate:        1992-11-03
Updated:        2012-06-01    
Ref:            https://rdap.arin.net/registry/autnum/2021


OrgName:        Unisys Corporation
OrgId:          UNISYS-4
Address:        801 Lakeview Drive
Address:        Ste 100
City:           Blue Bell
StateProv:      PA
PostalCode:     19422
Country:        US
RegDate:        1989-09-14
Updated:        2022-12-13
Ref:            https://rdap.arin.net/registry/entity/UNISYS-4


OrgTechHandle: STROP3-ARIN
OrgTechName:   Strop, Brian 
OrgTechPhone:  +1-651-212-7283 
OrgTechEmail:  brian.strop@unisys.com
OrgTechRef:    https://rdap.arin.net/registry/entity/STROP3-ARIN

OrgAbuseHandle: UNISY-ARIN
OrgAbuseName:   Unisys Hostmaster
OrgAbusePhone:  +1-443-921-0355 
OrgAbuseEmail:  hostmaster@unisys.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UNISY-ARIN

OrgTechHandle: UNISY-ARIN
OrgTechName:   Unisys Hostmaster
OrgTechPhone:  +1-443-921-0355 
OrgTechEmail:  hostmaster@unisys.com
OrgTechRef:    https://rdap.arin.net/registry/entity/UNISY-ARIN

RTechHandle: UNISY-ARIN
RTechName:   Unisys Hostmaster
RTechPhone:  +1-443-921-0355 
RTechEmail:  hostmaster@unisys.com
RTechRef:    https://rdap.arin.net/registry/entity/UNISY-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.
#