131.238.0.35
Education
Data retrieved at
Network
ASN
IP Range
Company
University of Dayton
Network
DAYTON
Using networksdb.io for network lookups.
Hostname
Not available.
AS Domain
udayton.edu
Using host.io for pre-visualize domains.
Type
Education
Handle
NET-131-238-0-0-1
Registered
1989-02-03
Last Changed
2023-03-28
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "131.238.0.0",
"length": 16
}
],
"endAddress": "131.238.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-23T14:33:54-05:00"
},
{
"eventAction": "registration",
"eventDate": "2012-05-04T09:30:57-04:00"
}
],
"handle": "NAC92-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NAC92-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
},
{
"href": "https://whois.arin.net/rest/poc/NAC92-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "300 College Park\nMiriam Hall Room 300\nDayton\nOH\n45469-2230\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Admin Contact"
],
[
"org",
{},
"text",
"University of Dayton"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-937-229-3888"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-23T14:33:34-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-03-21T19:30:22-05:00"
}
],
"handle": "NTC7-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NTC7-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
},
{
"href": "https://whois.arin.net/rest/poc/NTC7-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "300 College Park Avenue\nDayton\nOH\n45469\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Technical Contact"
],
[
"org",
{},
"text",
"University of Dayton"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-937-229-3888"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-23T14:34:03-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-03-21T19:30:16-05:00"
}
],
"handle": "NAC36-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NAC36-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
},
{
"href": "https://whois.arin.net/rest/poc/NAC36-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "300 College Park Avenue\nDayton\nOH\n45469\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Abuse Contact"
],
[
"org",
{},
"text",
"University of Dayton"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-937-229-3888"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-23T14:33:45-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-03-21T19:30:18-05:00"
}
],
"handle": "NOC1777-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NOC1777-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
},
{
"href": "https://whois.arin.net/rest/poc/NOC1777-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "300 College Park Avenue\nDayton\nOH\n45469\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Operations Contact"
],
[
"org",
{},
"text",
"University of Dayton"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-937-229-3888"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-03-08T21:12:38-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-03-08T21:12:38-05:00"
}
],
"handle": "UNIVER-139-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNIVER-139-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
},
{
"href": "https://whois.arin.net/rest/org/UNIVER-139-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"University of Dayton"
],
[
"adr",
{
"label": "300 College Park\nDayton\nOH\n45469\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-23T14:33:34-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-03-21T19:30:22-05:00"
}
],
"handle": "NTC7-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NTC7-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
},
{
"href": "https://whois.arin.net/rest/poc/NTC7-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "300 College Park Avenue\nDayton\nOH\n45469\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Technical Contact"
],
[
"org",
{},
"text",
"University of Dayton"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-937-229-3888"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-23T14:34:03-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-03-21T19:30:16-05:00"
}
],
"handle": "NAC36-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NAC36-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
},
{
"href": "https://whois.arin.net/rest/poc/NAC36-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "300 College Park Avenue\nDayton\nOH\n45469\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Abuse Contact"
],
[
"org",
{},
"text",
"University of Dayton"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-937-229-3888"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-23T14:33:45-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-03-21T19:30:18-05:00"
}
],
"handle": "NOC1777-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NOC1777-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
},
{
"href": "https://whois.arin.net/rest/poc/NOC1777-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "300 College Park Avenue\nDayton\nOH\n45469\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Operations Contact"
],
[
"org",
{},
"text",
"University of Dayton"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-937-229-3888"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-03-28T19:52:16-04:00"
},
{
"eventAction": "registration",
"eventDate": "1989-02-03T00:00:00-05:00"
}
],
"handle": "NET-131-238-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/131.238.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
},
{
"href": "https://whois.arin.net/rest/net/NET-131-238-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/131.238.0.35"
}
],
"name": "DAYTON",
"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/131.238.0.35"
}
],
"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/131.238.0.35"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-131-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "131.238.0.0",
"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
131.238.0.0/16
Authorized ASN
Not available.
Abuse Contacts
IP Geolocation
Country
United States
City
Dayton (📍 45419)
Ohio
Time Zone
America/New_York
Coordinates
39.7168, -84.1575
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)