AS15147 DEPARTMENT OF HOMELAND SECURITY

DHSINETNOC

IPv4 Addresses: 12,544

Number of Peers: 3

Number of Prefixes: 12

ASN Allocated: 3^rd November 2006

ASN
Prefixes
Peers
Upstreams
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World Map
Raw Whois

AS15147 Summary

Regional Registry:

ARIN

Allocation Status:

Assigned

Allocation Date:

3^rd November 2006

Allocated Country:

AS15147 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

onenetnmt@hq.dhs.gov

dhs.ipv6.admin@dhs.gov

dhs.noc@dhs.gov

Abuse Contacts:

onenetnmt@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
216.81.80.0/24	DEPARTMENT OF HOMELAND SECURITY	216.81.80.0/20	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
	AS32787	PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK	Akamai Technologies, Inc.
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC

Country	ASN	Name	Description	IPv4
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC

IPv4 Upstreams
IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS32787	PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK	Akamai Technologies, Inc.
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC

IPv4 Upstream Graph

Country	ASN	Name	Description	IPv4
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC

IPv6 Upstream Graph

#
# 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:       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:  +1-202-447-4003 
OrgTechEmail:  onenetNMT@hq.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/DHSNO2-ARIN

OrgNOCHandle: DHSNO2-ARIN
OrgNOCName:   DHS-NOC
OrgNOCPhone:  +1-202-447-4003 
OrgNOCEmail:  onenetNMT@hq.dhs.gov
OrgNOCRef:    https://rdap.arin.net/registry/entity/DHSNO2-ARIN

OrgAbuseHandle: DHSNO2-ARIN
OrgAbuseName:   DHS-NOC
OrgAbusePhone:  +1-202-447-4003 
OrgAbuseEmail:  onenetNMT@hq.dhs.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DHSNO2-ARIN

RTechHandle: DIA9-ARIN
RTechName:   DHS IPv6 ADMINISTRATION
RTechPhone:  +1-703-921-7595 
RTechEmail:  DHS.IPv6.ADMIN@dhs.gov
RTechRef:    https://rdap.arin.net/registry/entity/DIA9-ARIN

RAbuseHandle: DIA9-ARIN
RAbuseName:   DHS IPv6 ADMINISTRATION
RAbusePhone:  +1-703-921-7595 
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

AS15147 DEPARTMENT OF HOMELAND SECURITY

DHSINETNOC

AS15147 Summary

Regional Registry:

Allocation Status:

Allocation Date:

Allocated Country:

AS15147 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

Abuse Contacts:

Address:

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