129.89.0.2
Education
Data retrieved at
Network
ASN
IP Range
Company
University of Wisconsin - Milwaukee
Network
MILW-IPNET
Using networksdb.io for network lookups.
Hostname
Not available.
Type
Education
Handle
NET-129-89-0-0-1
Registered
1987-10-15
Last Changed
2024-11-05
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "129.89.0.0",
"length": 16
}
],
"endAddress": "129.89.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-17T10:03:25-05:00"
},
{
"eventAction": "registration",
"eventDate": "2019-04-10T15:22:11-04:00"
}
],
"handle": "NOC32970-ARIN",
"links": [
{
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"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
},
{
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"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
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{},
"text",
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"fn",
{},
"text",
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{},
"text",
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{},
"text",
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},
{
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}
],
"handle": "SCHAE291-ARIN",
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{
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"text",
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{},
"text",
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},
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}
],
"handle": "TTS43-ARIN",
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{
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"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
},
{
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],
"objectClassName": "entity",
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],
"vcardArray": [
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"text",
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[
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},
"text",
[
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]
],
[
"fn",
{},
"text",
"thomas thomas sly-lundasi"
],
[
"n",
{},
"text",
[
"sly-lundasi",
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"",
""
]
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"text",
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"eventDate": "2024-11-05T15:49:16-05:00"
},
{
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"eventDate": "2024-11-05T15:49:16-05:00"
}
],
"handle": "WJG7-ARIN",
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{
"href": "https://rdap.arin.net/registry/entity/WJG7-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
},
{
"href": "https://whois.arin.net/rest/poc/WJG7-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
}
],
"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 2025-11-05"
],
"title": "Unvalidated POC"
}
],
"roles": [
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],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "2025 E. Newport Ave. #7498\nMilwaukee\nWI\n53211\nUnited States"
},
"text",
[
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""
]
],
[
"fn",
{},
"text",
"William John Gaulke"
],
[
"n",
{},
"text",
[
"Gaulke",
"William",
"John",
"",
""
]
],
[
"kind",
{},
"text",
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],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-414-290-1362"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-12T10:26:43-04:00"
},
{
"eventAction": "registration",
"eventDate": "2014-07-30T18:19:07-04:00"
}
],
"handle": "BARAN8-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/BARAN8-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
},
{
"href": "https://whois.arin.net/rest/poc/BARAN8-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
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],
"status": [
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],
"vcardArray": [
"vcard",
[
[
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{},
"text",
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],
[
"adr",
{
"label": "2025 E Newport Ave\nMilwaukee\nWI\n53211\nUnited States"
},
"text",
[
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"",
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"",
""
]
],
[
"fn",
{},
"text",
"Matthew Baran"
],
[
"n",
{},
"text",
[
"Baran",
"Matthew",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
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]
},
"text",
"+1-414-861-8102"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-11-19T23:30:08-05:00"
},
{
"eventAction": "registration",
"eventDate": "2004-03-15T16:08:52-05:00"
}
],
"handle": "ACU5-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ACU5-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
},
{
"href": "https://whois.arin.net/rest/poc/ACU5-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
}
],
"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 2022-11-19"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "UWM Information and Media Technologies\r\nNetwork Operations Center\r\nUITS NOC NWQB 7487\r\nP.O. Box 413\nMilwaukee\nWI\n53201\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Abuse contact for UWM"
],
[
"org",
{},
"text",
"University of Wisconsin - Milwaukee"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
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]
},
"text",
"+1-414-229-4004"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-12T13:54:25-04:00"
}
],
"handle": "UWM",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UWM",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
},
{
"href": "https://whois.arin.net/rest/org/UWM",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"UWM 24 x 7 Help Desk, phone: +1-414-229-4040"
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
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[
[
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{},
"text",
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],
[
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{},
"text",
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],
[
"adr",
{
"label": "UWM University Information Technology Services\r\nNetwork Operations Center\r\nNWQ B room 7487\r\nP.O. Box 413\nMilwaukee\nWI\n53201\nUnited States"
},
"text",
[
"",
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""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
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"eventDate": "2026-02-17T10:03:25-05:00"
},
{
"eventAction": "registration",
"eventDate": "2019-04-10T15:22:11-04:00"
}
],
"handle": "NOC32970-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NOC32970-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
},
{
"href": "https://whois.arin.net/rest/poc/NOC32970-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "Network Operations\nP.O. Box 413\nMilwaukee\nWI\n53201\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"NOC"
],
[
"org",
{},
"text",
"University of Wisconsin - Milwaukee"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
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"voice"
]
},
"text",
"+1-414-229-5800"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-12T10:26:43-04:00"
},
{
"eventAction": "registration",
"eventDate": "2014-07-30T18:19:07-04:00"
}
],
"handle": "BARAN8-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/BARAN8-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
},
{
"href": "https://whois.arin.net/rest/poc/BARAN8-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "2025 E Newport Ave\nMilwaukee\nWI\n53211\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Matthew Baran"
],
[
"n",
{},
"text",
[
"Baran",
"Matthew",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-414-861-8102"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-11-05T16:34:11-05:00"
},
{
"eventAction": "registration",
"eventDate": "1987-10-15T00:00:00-04:00"
}
],
"handle": "NET-129-89-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/129.89.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
},
{
"href": "https://whois.arin.net/rest/net/NET-129-89-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.89.0.2"
}
],
"name": "MILW-IPNET",
"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/129.89.0.2"
}
],
"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/129.89.0.2"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-129-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"remarks": [
{
"description": [
"UWM Help Desk, phone: +1-414-229-4040"
],
"title": "Registration Comments"
}
],
"startAddress": "129.89.0.0",
"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
129.89.0.0/16
Authorized ASN
AS3128, AS7050
Abuse Contacts
Not available.
IP Geolocation
Country
United States
City
Milwaukee (📍 53211)
Wisconsin
Time Zone
America/Chicago
Coordinates
43.0818, -87.892
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)