159.158.0.26
ISP
Data retrieved at
Network
ASN
IP Range
Company
State of WI Dept. of Administration
Network
WIDHSS
Using networksdb.io for network lookups.
Hostname
Not available.
Type
ISP
Handle
NET-159-158-0-0-1
Registered
1992-05-05
Last Changed
2023-06-25
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "159.158.0.0",
"length": 16
}
],
"endAddress": "159.158.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-08-18T15:01:28-04:00"
},
{
"eventAction": "registration",
"eventDate": "2014-02-03T13:35:18-05:00"
}
],
"handle": "ESSC1-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ESSC1-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/159.158.0.26"
},
{
"href": "https://whois.arin.net/rest/poc/ESSC1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/159.158.0.26"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc",
"abuse",
"technical",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "101 E. Wilson St.\nMadison\nWI\n53702\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Enterprise Services Support Center"
],
[
"org",
{},
"text",
"State of Wisconsin Department of Administration"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-608-264-9383"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-04-18T19:24:19-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-04-18T19:24:19-04:00"
}
],
"handle": "SWDA-2-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SWDA-2-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/159.158.0.26"
},
{
"href": "https://whois.arin.net/rest/org/SWDA-2-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/159.158.0.26"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"State of WI Dept. of Administration"
],
[
"adr",
{
"label": "101 East Wilson Street 8th Floor\nP.O. Box 7844\nMadison\nWI\n53702\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2001-10-16T09:48:32-04:00"
},
{
"eventAction": "registration",
"eventDate": "2001-10-16T09:48:32-04:00"
}
],
"handle": "SD818-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SD818-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/159.158.0.26"
},
{
"href": "https://whois.arin.net/rest/poc/SD818-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/159.158.0.26"
}
],
"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 2010-07-23"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "Wisconsin Department of Health and Social Services (NET-WIDHSS)\n1 W. Wilson Street, PO Box 7850,\nMadison\nWI\n53707\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Steven Davidson"
],
[
"n",
{},
"text",
[
"Davidson",
"Steven",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-608-266-3994"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-608-267-3600"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-06-25T16:54:48-04:00"
},
{
"eventAction": "registration",
"eventDate": "1992-05-05T00:00:00-04:00"
}
],
"handle": "NET-159-158-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/159.158.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/159.158.0.26"
},
{
"href": "https://whois.arin.net/rest/net/NET-159-158-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/159.158.0.26"
}
],
"name": "WIDHSS",
"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/159.158.0.26"
}
],
"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/159.158.0.26"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-159-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "159.158.0.0",
"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
159.158.0.0/17
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 $)