137.187.0.40
ISP
Data retrieved at
Network
ASN
IP Range
Company
National Institutes of Health
Network
NIHNET-2
Using networksdb.io for network lookups.
Hostname
itservicedesk.nih.gov
Type
ISP
Handle
NET-137-187-0-0-1
Registered
1989-12-13
Last Changed
2022-10-28
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "137.187.0.0",
"length": 16
}
],
"endAddress": "137.187.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-08T09:19:17-04:00"
},
{
"eventAction": "registration",
"eventDate": "2020-08-11T15:08:58-04:00"
}
],
"handle": "NIHAD-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NIHAD-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/137.187.0.40"
},
{
"href": "https://whois.arin.net/rest/poc/NIHAD-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/137.187.0.40"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"NIHnet administrator"
],
"title": "Registration Comments"
}
],
"roles": [
"noc",
"administrative",
"dns"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "6555 Rock Sping DrRM 3se21m MSC 4805\nBethesda\nMD\n20892-4805\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"NIHadm"
],
[
"org",
{},
"text",
"National Institutes of Health"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-301-402-3141"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-08T09:19:55-04:00"
},
{
"eventAction": "registration",
"eventDate": "2020-06-24T17:20:41-04:00"
}
],
"handle": "NIHTE-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NIHTE-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/137.187.0.40"
},
{
"href": "https://whois.arin.net/rest/poc/NIHTE-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/137.187.0.40"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"routing",
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "6555 Rock Sping Dr\nRM 3se21m MSC 4805\nBethesda\nMD\n20892-4805\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"NIHtechs"
],
[
"org",
{},
"text",
"National Institutes of Health"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-301-402-3141"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-06-05T14:45:07-04:00"
},
{
"eventAction": "registration",
"eventDate": "2022-10-09T12:36:37-04:00"
}
],
"handle": "NIH-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NIH-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/137.187.0.40"
},
{
"href": "https://whois.arin.net/rest/org/NIH-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/137.187.0.40"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"National Institutes of Health"
],
[
"adr",
{
"label": "9000 Rockville Pike\nMSC 4805\nBethesda\nMD\n20892-4805\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-10-28T18:35:07-04:00"
},
{
"eventAction": "registration",
"eventDate": "1989-12-13T00:00:00-05:00"
}
],
"handle": "NET-137-187-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/137.187.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/137.187.0.40"
},
{
"href": "https://whois.arin.net/rest/net/NET-137-187-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/137.187.0.40"
}
],
"name": "NIHNET-2",
"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/137.187.0.40"
}
],
"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/137.187.0.40"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-137-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "137.187.0.0",
"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).
Valid.
This prefix is correctly authorized by a valid ROA.
VALID
Validated Prefix
137.187.0.0/16
Authorized ASN
AS3527
Abuse Contacts
IP Geolocation
Country
United States
City
Frederick (📍 21704)
Maryland
Time Zone
America/New_York
Coordinates
39.3485, -77.382
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)