AS15147 DEPARTMENT OF HOMELAND SECURITY

DHSINETNOC

IPv4 Addresses: 12,544

Number of Peers: 2

Number of Prefixes: 11

ASN Allocated: Assigned

ASN
Prefixes
Peers
Upstreams
Graphs
World Map
Raw Whois

AS15147 Summary

Regional Registry:

IANA

Allocation Status:

Assigned

AS15147 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

dhsnoscinfrastructurenetworkmanagementtools@hq.dhs.gov

dhs.ipv6.admin@dhs.gov

dhs.noc@dhs.gov

Abuse Contacts:

dhsnoscinfrastructurenetworkmanagementtools@hq.dhs.gov

Address:

Department of Homeland Security,

300 7th St SW,

Washington,

DC,

20024,

IPv4 Prefixes
IPv6 Prefixes

Announced Prefix	Description	Parent Prefix	RIR
64.69.48.0/21	DEPARTMENT OF HOMELAND SECURITY	63.133.128.0/18	ARIN
64.69.56.0/24	DEPARTMENT OF HOMELAND SECURITY	64.69.48.0/20	ARIN
64.69.58.0/23	DEPARTMENT OF HOMELAND SECURITY	64.69.48.0/20	ARIN
64.69.60.0/22	DEPARTMENT OF HOMELAND SECURITY	64.69.48.0/20	ARIN
161.214.182.0/24	DEPARTMENT OF HOMELAND SECURITY	161.214.0.0/16	ARIN
161.214.183.0/24	DEPARTMENT OF HOMELAND SECURITY	161.214.0.0/16	ARIN
173.255.48.0/21	DEPARTMENT OF HOMELAND SECURITY	173.255.48.0/20	ARIN
173.255.56.0/21	DEPARTMENT OF HOMELAND SECURITY	173.255.48.0/20	ARIN
216.81.80.0/21	DEPARTMENT OF HOMELAND SECURITY	216.81.80.0/20	ARIN
216.81.88.0/21	DEPARTMENT OF HOMELAND SECURITY	216.81.80.0/20	ARIN

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2600:400::/32	DEPARTMENT OF HOMELAND SECURITY		2600:400::/32	ARIN

IPv4 Peers
IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS13335	CLOUDFLARENET	Cloudflare, Inc.

Country	ASN	Name	Description	IPv4
	AS13335	CLOUDFLARENET	Cloudflare, Inc.

IPv4 Upstreams
IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS13335	CLOUDFLARENET	Cloudflare, Inc.

IPv4 Upstream Graph

Country	ASN	Name	Description	IPv4
	AS13335	CLOUDFLARENET	Cloudflare, Inc.

IPv6 Upstream Graph

#
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# 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/
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# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       15147
ASName:         DHSINETNOC
ASHandle:       AS15147
RegDate:        2006-11-03
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/15147


OrgName:        DEPARTMENT OF HOMELAND SECURITY
OrgId:          DHS-37
Address:        Department of Homeland Security
Address:        300 7th St SW
City:           Washington
StateProv:      DC
PostalCode:     20024
Country:        US
RegDate:        2005-12-05
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/DHS-37


OrgTechHandle: DHSNO2-ARIN
OrgTechName:   DHS-NOC
OrgTechPhone:  +1-877-347-1638 
OrgTechEmail:  DHSNOSCInfrastructureNetworkManagementTools@hq.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/DHSNO2-ARIN

OrgNOCHandle: DHSNO2-ARIN
OrgNOCName:   DHS-NOC
OrgNOCPhone:  +1-877-347-1638 
OrgNOCEmail:  DHSNOSCInfrastructureNetworkManagementTools@hq.dhs.gov
OrgNOCRef:    https://rdap.arin.net/registry/entity/DHSNO2-ARIN

OrgAbuseHandle: DHSNO2-ARIN
OrgAbuseName:   DHS-NOC
OrgAbusePhone:  +1-877-347-1638 
OrgAbuseEmail:  DHSNOSCInfrastructureNetworkManagementTools@hq.dhs.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DHSNO2-ARIN

RTechHandle: DIA9-ARIN
RTechName:   DHS IPv6 ADMINISTRATION
RTechPhone:  +1-703-921-6347 
RTechEmail:  DHS.IPv6.ADMIN@dhs.gov
RTechRef:    https://rdap.arin.net/registry/entity/DIA9-ARIN

RAbuseHandle: DIA9-ARIN
RAbuseName:   DHS IPv6 ADMINISTRATION
RAbusePhone:  +1-703-921-6347 
RAbuseEmail:  DHS.IPv6.ADMIN@dhs.gov
RAbuseRef:    https://rdap.arin.net/registry/entity/DIA9-ARIN

RNOCHandle: DHSNO1-ARIN
RNOCName:   DHS NOC
RNOCPhone:  +1-877-347-1638 
RNOCEmail:  DHS.NOC@dhs.gov
RNOCRef:    https://rdap.arin.net/registry/entity/DHSNO1-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.
#

Country	IX	Name	IPv4	IPv6	Port Speed