158.72.0.39
ISP
Data retrieved at
Network
ASN
IP Range
Company
U.S. Dept. of Health and Human Services
Network
NET-HHS3
Using networksdb.io for network lookups.
Hostname
Not available.
Type
ISP
Handle
NET-158-72-0-0-1
Registered
1992-02-15
Last Changed
2021-12-14
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "158.72.0.0",
"length": 16
}
],
"endAddress": "158.72.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-02-11T08:53:35-05:00"
},
{
"eventAction": "registration",
"eventDate": "2022-05-06T00:47:37-04:00"
}
],
"handle": "VOYTA-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/VOYTA-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
},
{
"href": "https://whois.arin.net/rest/poc/VOYTA-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2026-02-11"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "5600 Fisher Lane\nRockville\nMD\n20850\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Steven Voyta"
],
[
"n",
{},
"text",
[
"Voyta",
"Steven",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-240-506-1441"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-05-07T14:21:17-04:00"
},
{
"eventAction": "registration",
"eventDate": "2015-03-23T12:31:18-04:00"
}
],
"handle": "ABUSE5037-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE5037-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE5037-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2025-05-07"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "5600 Fishers Lane\nRockville\nMD\n20852\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Abuse"
],
[
"org",
{},
"text",
"Department of Health & Human Services"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-301-443-2893"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2018-03-26T07:02:29-04:00"
},
{
"eventAction": "registration",
"eventDate": "2015-03-27T09:58:52-04:00"
}
],
"handle": "HNOC10-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/HNOC10-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
},
{
"href": "https://whois.arin.net/rest/poc/HNOC10-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2019-03-26"
],
"title": "Unvalidated POC"
}
],
"roles": [
"noc"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "5600 Fishers Lane\nRockville\nMD\n20852\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"HHS Network Operations Center"
],
[
"org",
{},
"text",
"Department of Health & Human Services"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-301-443-2893"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-30T17:11:26-05:00"
},
{
"eventAction": "registration",
"eventDate": "2025-12-30T17:11:26-05:00"
}
],
"handle": "MILLE3252-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MILLE3252-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
},
{
"href": "https://whois.arin.net/rest/poc/MILLE3252-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "701 5th Ave.\nRM 1544\nSeattle\nWA\n98104\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Tim Miller"
],
[
"n",
{},
"text",
[
"Miller",
"Tim",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-206-615-2450"
],
[
"tel",
{
"type": [
"work",
"cell"
]
},
"text",
"+1-202-821-6838"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-25T07:57:42-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-12-13T13:34:08-05:00"
}
],
"handle": "MOXLE3-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MOXLE3-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
},
{
"href": "https://whois.arin.net/rest/poc/MOXLE3-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc",
"administrative",
"technical",
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "5600 Fisher Lane\n\nRockville\nMD\n20852\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Duane Moxley"
],
[
"n",
{},
"text",
[
"Moxley",
"Duane",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-202-770-5350"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-25T08:51:48-04:00"
},
{
"eventAction": "registration",
"eventDate": "2010-04-14T14:18:41-04:00"
}
],
"handle": "PSC110-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PSC110-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
},
{
"href": "https://whois.arin.net/rest/poc/PSC110-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://www.hhs.gov"
],
"title": "Registration Comments"
}
],
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "Program Support Cente\n5600 Fishers Lane\nRockville\nMD\n20857\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Program Support Center"
],
[
"org",
{},
"text",
"U.S. Department of Health and Human Services (HHS)"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-202-309-3084"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-202-774-2125"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-31T07:49:20-05:00"
},
{
"eventAction": "registration",
"eventDate": "1992-02-15T00:00:00-05:00"
}
],
"handle": "UDHHS",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UDHHS",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
},
{
"href": "https://whois.arin.net/rest/org/UDHHS",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"U.S. Dept. of Health and Human Services"
],
[
"adr",
{
"label": "HHS/ASA/OCIO\r\n5600 Fishers Lane\nRockville\nMD\n20852\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-05-07T14:21:17-04:00"
},
{
"eventAction": "registration",
"eventDate": "2015-03-23T12:31:18-04:00"
}
],
"handle": "ABUSE5037-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE5037-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE5037-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2025-05-07"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "5600 Fishers Lane\nRockville\nMD\n20852\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Abuse"
],
[
"org",
{},
"text",
"Department of Health & Human Services"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-301-443-2893"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-12-14T20:28:46-05:00"
},
{
"eventAction": "registration",
"eventDate": "1992-02-15T00:00:00-05:00"
}
],
"handle": "NET-158-72-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/158.72.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
},
{
"href": "https://whois.arin.net/rest/net/NET-158-72-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
}
],
"name": "NET-HHS3",
"notices": [
{
"description": [
"By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/tou/",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
}
],
"title": "Terms of Service"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://rdap.arin.net/registry/ip/158.72.0.39"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-158-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "158.72.0.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}
Security
No security threats detected for this IP.
VPN
Proxy
Tor
Hosting
Residential Proxy
Bogon
Abuser
Crawler
RPKI
RPKI Origin Validation
RPKI verifies that an IP prefix is legitimately announced by the authorized Autonomous System (ASN) using Route Origin Authorizations (ROAs).
Unknown.
No valid ROA was found for this prefix.
UNKNOWN
Validated Prefix
158.72.0.0/16
Authorized ASN
Not available.
Abuse Contacts
IP Geolocation
Country
United States
City
Silver Spring (📍 20904)
Maryland
Time Zone
America/New_York
Coordinates
39.068, -76.9933
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)