AS15147 - DHSINETNOC - DEPARTMENT OF HOMELAND SECURITY, US

United States
AS Number
AS15147
AS Name
DHSINETNOC
Org Name
DEPARTMENT OF HOMELAND SECURITY
Country / Region
United States
Registry

arin

RegDate

2005-12-05

Updated

2026-05-13

AS15147 Looking Glass
IPv4Prefixes

16

IPv6Prefixes

1

IPv4 NUMs

15,360

IPv6 NUMs(/64)

4,294,967,296

CIDR Description IP Num
64.69.48.0/20
IRR InValid
DEPARTMENT OF HOMELAND SECURITY 4096
161.214.7.0/24
DEPARTMENT OF HOMELAND SECURITY 256
161.214.8.0/22
DEPARTMENT OF HOMELAND SECURITY 1024
161.214.9.0/24
DEPARTMENT OF HOMELAND SECURITY 256
161.214.10.0/24
DEPARTMENT OF HOMELAND SECURITY 256
161.214.17.0/24
DEPARTMENT OF HOMELAND SECURITY 256
161.214.18.0/24
DEPARTMENT OF HOMELAND SECURITY 256
161.214.122.0/24
DEPARTMENT OF HOMELAND SECURITY 256
161.214.123.0/24
DEPARTMENT OF HOMELAND SECURITY 256
161.214.126.0/24
DEPARTMENT OF HOMELAND SECURITY 256
161.214.127.0/24
DEPARTMENT OF HOMELAND SECURITY 256
161.214.183.0/24
IRR Valid
DEPARTMENT OF HOMELAND SECURITY 256
173.255.48.0/21
IRR Valid
DEPARTMENT OF HOMELAND SECURITY 2048
173.255.56.0/21
IRR Valid
DEPARTMENT OF HOMELAND SECURITY 2048
216.81.80.0/21
IRR Valid
DEPARTMENT OF HOMELAND SECURITY 2048
216.81.88.0/21
IRR Valid
DEPARTMENT OF HOMELAND SECURITY 2048
CIDR Description IP NUMs(prefix /64)
2600:400::/32
DEPARTMENT OF HOMELAND SECURITY 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 96,430,080 2,310,693,060,608 IPv4 IPv4
AS13335 CLOUDFLARENET - Cloudflare, Inc., US United States 1,366,016 82,706,169,856 IPv4 IPv4 IPv6 IPv6 
ASNumber:       15147
ASName:         DHSINETNOC
ASHandle:       AS15147
RegDate:        2006-11-03
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/15147

OrgID:          DHS-37
OrgName:        DEPARTMENT OF HOMELAND SECURITY
CanAllocate:    
Street:         Department of Homeland Security
Street:         245 Murray Lane, SW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20528
RegDate:        2005-12-05
Updated:        2026-05-13
OrgAdminHandle  DHSNO2-ARIN
OrgTechHandle   DHSNO2-ARIN
OrgAbuseHandle  DHSNO2-ARIN
OrgNOCHandle    DHSNO2-ARIN
Source:         ARIN

OrgAdminHandleHandle:  DHSNO2-ARIN
OrgAdminHandleName:    DHS-NOC, 
OrgAdminHandlePhone:   +1-877-347-1638
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/DHSNO2-ARIN

OrgTechHandleHandle:  DHSNO2-ARIN
OrgTechHandleName:    DHS-NOC, 
OrgTechHandlePhone:   +1-877-347-1638
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/DHSNO2-ARIN

OrgAbuseHandleHandle:  DHSNO2-ARIN
OrgAbuseHandleName:    DHS-NOC, 
OrgAbuseHandlePhone:   +1-877-347-1638
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/DHSNO2-ARIN

OrgNOCHandleHandle:  DHSNO2-ARIN
OrgNOCHandleName:    DHS-NOC, 
OrgNOCHandlePhone:   +1-877-347-1638
OrgNOCHandleEmail:   [email protected]
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/DHSNO2-ARIN

RTechHandleHandle:  DIA9-ARIN
RTechHandleName:    DHS IPv6 ADMINISTRATION, 
RTechHandlePhone:   +1-703-921-6347
RTechHandleEmail:   [email protected]
RTechHandleRef:     https://rdap.arin.net/registry/entity/DIA9-ARIN

RAbuseHandleHandle:  DIA9-ARIN
RAbuseHandleName:    DHS IPv6 ADMINISTRATION, 
RAbuseHandlePhone:   +1-703-921-6347
RAbuseHandleEmail:   [email protected]
RAbuseHandleRef:     https://rdap.arin.net/registry/entity/DIA9-ARIN

RNOCHandleHandle:  DHSNO1-ARIN
RNOCHandleName:    DHS NOC, 
RNOCHandlePhone:   +1-877-347-1638
RNOCHandleEmail:   [email protected]
RNOCHandleRef:     https://rdap.arin.net/registry/entity/DHSNO1-ARIN