AS396973 - DHS-39H - Department of Homeland Security, US

United States
AS Number
AS396973
AS Name
DHS-39H
Org Name
Department of Homeland Security
Country
United States
Registry

arin

RegDate

2006-04-21

Updated

2025-07-15

AS396973 Looking Glass
IPv4Prefixes

5

IPv6Prefixes

0

IPv4 NUMs

2,048

IPv6 NUMs(/64)

0

2,048 IPv4 Addresses
CIDR Description IP Num
208.73.184.0/21
ROA Signed and Valid
Department of Homeland Security 2048
208.73.185.0/24
ROA Signed and Valid
Department of Homeland Security 256
208.73.188.0/24
ROA Signed and Valid
Department of Homeland Security 256
208.73.189.0/24
ROA Signed and Valid
Department of Homeland Security 256
208.73.190.0/24
ROA Signed and Valid
Department of Homeland Security 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 93,218,560 2,529,754,218,496 IPv4 IPv4
AS13335 CLOUDFLARENET - Cloudflare, Inc., US United States 1,339,392 44,049,956,864 IPv4 IPv4 
ASNumber:       396973
ASName:         DHS-39H
ASHandle:       AS396973
RegDate:        2018-08-06
Updated:        2018-08-06    
Ref:            https://rdap.arin.net/registry/autnum/396973


OrgName:        Department of Homeland Security
OrgId:          DHS-39
Address:        1110 North Glebe Road
City:           Arlington
StateProv:      VA
PostalCode:     22201
Country:        US
RegDate:        2006-04-21
Updated:        2025-07-15
Ref:            https://rdap.arin.net/registry/entity/DHS-39


OrgTechHandle: GROSS398-ARIN
OrgTechName:   Grossman, Stephen 
OrgTechPhone:  +1-301-800-6939 
OrgTechEmail:  stephen.grossman@associates.cisa.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/GROSS398-ARIN

OrgTechHandle: MENDO268-ARIN
OrgTechName:   Mendoza, Luis 
OrgTechPhone:  +1-469-954-0239 
OrgTechEmail:  luis.mendoza@mail.associates.cisa.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/MENDO268-ARIN

OrgTechHandle: SWANS257-ARIN
OrgTechName:   Swanson, Joseph 
OrgTechPhone:  +1-804-334-7410 
OrgTechEmail:  joseph.swanson@associates.hq.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/SWANS257-ARIN

OrgTechHandle: DELON43-ARIN
OrgTechName:   DeLong, Jeremy 
OrgTechPhone:  +1-850-307-7275 
OrgTechEmail:  jeremy.delong@mail.cisa.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/DELON43-ARIN

OrgDNSHandle: DELON43-ARIN
OrgDNSName:   DeLong, Jeremy 
OrgDNSPhone:  +1-850-307-7275 
OrgDNSEmail:  jeremy.delong@mail.cisa.dhs.gov
OrgDNSRef:    https://rdap.arin.net/registry/entity/DELON43-ARIN

OrgTechHandle: AHI54-ARIN
OrgTechName:   Ibrahim, Ali Husni
OrgTechPhone:  +1-315-516-1151 
OrgTechEmail:  ali.h.ibrahim@associates.cbp.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/AHI54-ARIN

OrgTechHandle: MIYAN2-ARIN
OrgTechName:   Miyani, Pratik 
OrgTechPhone:  +1-202-769-6164 
OrgTechEmail:  PRATIK.MIYANI@mail.associates.cisa.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/MIYAN2-ARIN

OrgDNSHandle: STARK172-ARIN
OrgDNSName:   Starkey, Damon 
OrgDNSPhone:  +1-771-202-4748 
OrgDNSEmail:  damon.starkey@associates.cisa.dhs.gov
OrgDNSRef:    https://rdap.arin.net/registry/entity/STARK172-ARIN

OrgTechHandle: LAMME51-ARIN
OrgTechName:   Lammers, Charles 
OrgTechPhone:  +1-703-424-0591 
OrgTechEmail:  charles.lammers@mail.associates.cisa.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/LAMME51-ARIN

OrgAbuseHandle: LAMAN53-ARIN
OrgAbuseName:   lam, anh-thu 
OrgAbusePhone:  +1-202-394-5951 
OrgAbuseEmail:  anh.lam@mail.cisa.dhs.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LAMAN53-ARIN

OrgTechHandle: MURPH652-ARIN
OrgTechName:   Murphy, Marvin 
OrgTechPhone:  +1-850-619-0569 
OrgTechEmail:  marvin.murphy@mail.associates.cisa.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/MURPH652-ARIN

OrgNOCHandle: BEALL59-ARIN
OrgNOCName:   Beall, Nikki 
OrgNOCPhone:  +1-202-320-5578 
OrgNOCEmail:  nikki.beall@mail.cisa.dhs.gov
OrgNOCRef:    https://rdap.arin.net/registry/entity/BEALL59-ARIN

OrgNOCHandle: LAMAN53-ARIN
OrgNOCName:   lam, anh-thu 
OrgNOCPhone:  +1-202-394-5951 
OrgNOCEmail:  anh.lam@mail.cisa.dhs.gov
OrgNOCRef:    https://rdap.arin.net/registry/entity/LAMAN53-ARIN

OrgRoutingHandle: LAMAN53-ARIN
OrgRoutingName:   lam, anh-thu 
OrgRoutingPhone:  +1-202-394-5951 
OrgRoutingEmail:  anh.lam@mail.cisa.dhs.gov
OrgRoutingRef:    https://rdap.arin.net/registry/entity/LAMAN53-ARIN

OrgNOCHandle: DELON43-ARIN
OrgNOCName:   DeLong, Jeremy 
OrgNOCPhone:  +1-850-307-7275 
OrgNOCEmail:  jeremy.delong@mail.cisa.dhs.gov
OrgNOCRef:    https://rdap.arin.net/registry/entity/DELON43-ARIN

OrgTechHandle: LAMAN53-ARIN
OrgTechName:   lam, anh-thu 
OrgTechPhone:  +1-202-394-5951 
OrgTechEmail:  anh.lam@mail.cisa.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/LAMAN53-ARIN

OrgRoutingHandle: DELON43-ARIN
OrgRoutingName:   DeLong, Jeremy 
OrgRoutingPhone:  +1-850-307-7275 
OrgRoutingEmail:  jeremy.delong@mail.cisa.dhs.gov
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DELON43-ARIN

OrgDNSHandle: LAMAN53-ARIN
OrgDNSName:   lam, anh-thu 
OrgDNSPhone:  +1-202-394-5951 
OrgDNSEmail:  anh.lam@mail.cisa.dhs.gov
OrgDNSRef:    https://rdap.arin.net/registry/entity/LAMAN53-ARIN

OrgTechHandle: STARK172-ARIN
OrgTechName:   Starkey, Damon 
OrgTechPhone:  +1-771-202-4748 
OrgTechEmail:  damon.starkey@associates.cisa.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/STARK172-ARIN

OrgTechHandle: KUMAR402-ARIN
OrgTechName:   Kumar, Asim 
OrgTechPhone:  +1-703-395-5745 
OrgTechEmail:  asim.kumar@mail.associates.cisa.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/KUMAR402-ARIN

OrgAbuseHandle: DELON43-ARIN
OrgAbuseName:   DeLong, Jeremy 
OrgAbusePhone:  +1-850-307-7275 
OrgAbuseEmail:  jeremy.delong@mail.cisa.dhs.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DELON43-ARIN

OrgTechHandle: PARKB18-ARIN
OrgTechName:   Park, Brandon 
OrgTechPhone:  +1-202-294-1939 
OrgTechEmail:  brandon.park@mail.associates.cisa.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/PARKB18-ARIN