35.4.0.35
Education
Data retrieved at
Network
ASN
IP Range
Company
University of Michigan
Network
UMNET-4
Using networksdb.io for network lookups.
Hostname
Not available.
Type
Education
Handle
NET-35-4-0-0-1
Registered
2020-01-15
Last Changed
2020-01-15
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "35.4.0.0",
"length": 16
}
],
"endAddress": "35.4.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-05-01T08:39:49-04:00"
},
{
"eventAction": "registration",
"eventDate": "2007-01-31T09:54:13-05:00"
}
],
"handle": "INA18-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/INA18-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/35.4.0.35"
},
{
"href": "https://whois.arin.net/rest/poc/INA18-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/35.4.0.35"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "4251 Plymouth Road\nBuilding 3, Suite 1400\nAnn Arbor\nMI\n48105-3640\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Internet Numbers Administration"
],
[
"org",
{},
"text",
"University of Michigan"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-734-647-4200"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-10-31T08:13:33-04:00"
},
{
"eventAction": "registration",
"eventDate": "2007-02-12T12:18:21-05:00"
}
],
"handle": "IAI8-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/IAI8-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/35.4.0.35"
},
{
"href": "https://whois.arin.net/rest/poc/IAI8-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/35.4.0.35"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "4251 Plymouth Road\nSuite 3-2100\nAnn Arbor\nMI\n48105-3640\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"IT Abuse Investigation"
],
[
"org",
{},
"text",
"University of Michigan"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-734-764-4357"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-20T09:07:41-04:00"
},
{
"eventAction": "registration",
"eventDate": "1997-09-30T09:05:56-04:00"
}
],
"handle": "UA11-ORG-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UA11-ORG-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/35.4.0.35"
},
{
"href": "https://whois.arin.net/rest/poc/UA11-ORG-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/35.4.0.35"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "4251 Plymouth Road\nBuilding 3, Suite 1400\nAnn Arbor\nMI\n48105-3640\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"UMnet Administration"
],
[
"org",
{},
"text",
"University of Michigan"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-734-647-4200"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2017-01-28T08:32:29-05:00"
},
{
"eventAction": "registration",
"eventDate": "1985-07-23T00:00:00-04:00"
}
],
"handle": "UNIVER-118",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNIVER-118",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/35.4.0.35"
},
{
"href": "https://whois.arin.net/rest/org/UNIVER-118",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/35.4.0.35"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"For DMCA info see http://www.umich.edu/~itua/copyright/"
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"University of Michigan"
],
[
"adr",
{
"label": "IT Communications Services\n4251 Plymouth Road, Suite 2-2200\nAnn Arbor\nMI\n48105-3640\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2020-01-15T13:25:12-05:00"
},
{
"eventAction": "registration",
"eventDate": "2020-01-15T13:25:12-05:00"
}
],
"handle": "NET-35-4-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/35.4.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/35.4.0.35"
},
{
"href": "https://whois.arin.net/rest/net/NET-35-4-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/35.4.0.35"
},
{
"href": "https://rdap.arin.net/registry/ip/35.0.0.0/12",
"rel": "up",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/35.4.0.35"
}
],
"name": "UMNET-4",
"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/35.4.0.35"
}
],
"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/35.4.0.35"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-35-0-0-0-1",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "35.4.0.0",
"status": [
"active"
],
"type": "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
35.4.0.0/16
Authorized ASN
Not available.
Abuse Contacts
IP Geolocation
Country
United States
Time Zone
America/Chicago
Coordinates
37.751, -97.822
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)