137.53.0.33
Education
Data retrieved at
Network
ASN
IP Range
Company
Oregon Health & Science University
Network
OHSU
Using networksdb.io for network lookups.
Hostname
Not available.
Type
Education
Handle
NET-137-53-0-0-1
Registered
1989-11-02
Last Changed
2021-12-14
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "137.53.0.0",
"length": 16
}
],
"endAddress": "137.53.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-22T16:43:51-04:00"
},
{
"eventAction": "registration",
"eventDate": "2006-01-26T18:15:08-05:00"
}
],
"handle": "OHSUN-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/OHSUN-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/137.53.0.33"
},
{
"href": "https://whois.arin.net/rest/poc/OHSUN-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/137.53.0.33"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"abuse",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "3181 SW Sam Jackson Park Road\nMail Code - ITG05\nInformation Technology Group - NETI\nPortland\nOR\n97239\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"OHSU-Network-Engineering"
],
[
"org",
{},
"text",
"Oregon Health & Science University"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-503-494-2222"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-02-18T13:12:26-05:00"
},
{
"eventAction": "registration",
"eventDate": "1989-11-02T00:00:00-05:00"
}
],
"handle": "OHSU",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/OHSU",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/137.53.0.33"
},
{
"href": "https://whois.arin.net/rest/org/OHSU",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/137.53.0.33"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Oregon Health & Science University"
],
[
"adr",
{
"label": "3181 SW Sam Jackson Park Road\r\nInformation Technogolgy Group - NETI - Mail Code: ITG5\nPortland\nOR\n97201\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-22T16:43:51-04:00"
},
{
"eventAction": "registration",
"eventDate": "2006-01-26T18:15:08-05:00"
}
],
"handle": "OHSUN-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/OHSUN-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/137.53.0.33"
},
{
"href": "https://whois.arin.net/rest/poc/OHSUN-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/137.53.0.33"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "3181 SW Sam Jackson Park Road\nMail Code - ITG05\nInformation Technology Group - NETI\nPortland\nOR\n97239\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"OHSU-Network-Engineering"
],
[
"org",
{},
"text",
"Oregon Health & Science University"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-503-494-2222"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-12-14T20:28:40-05:00"
},
{
"eventAction": "registration",
"eventDate": "1989-11-02T00:00:00-05:00"
}
],
"handle": "NET-137-53-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/137.53.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/137.53.0.33"
},
{
"href": "https://whois.arin.net/rest/net/NET-137-53-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/137.53.0.33"
}
],
"name": "OHSU",
"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/137.53.0.33"
}
],
"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/137.53.0.33"
}
],
"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": "137.53.0.0",
"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
137.53.0.0/16
Authorized ASN
AS11995, AS198949
Abuse Contacts
IP Geolocation
Country
United States
City
Portland (📍 97239)
Oregon
Time Zone
America/Los_Angeles
Coordinates
45.4972, -122.6937
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)