Organization
UnitedHealth Group Incorporated
UHC-B2
Location
Denver
Colorado, United States (US)
Hostname
—
Geolocation
United States (US) United States
- Country
- United States (US)
- Region
- Colorado
- City
- Denver
- Continent
- North America
- Coordinates
- 39.7392, -104.99 View on map ↗
Network Information
IP Range 168.183.0.0 – 168.183.255.255 CIDR 168.183.0.0/16 Network Name UHC-B2 Handle NET-168-183-0-0-1 Type DIRECT ALLOCATION Parent Network NET-168-0-0-0-0 Organization UnitedHealth Group Incorporated Organization ID UHC-5 Address IP & DNS Team, 6150 Trenton Lane, Plymouth, MN, 55442, United States Country United States (US) Registry ARIN Registered On May 23, 1994 Last Updated Mar 31, 2026 Status
active
ASN & Routing
Origin AS AS22616 AS Name ZSCALER-SJC1 - ZSCALER, INC., US Announced Prefix 168.183.177.0/24 AS Registry ARIN Prefix Country United States (US) Allocated 1994-05-23 RPKI Origin Valid (covered by a matching ROA)
Reverse DNS
No PTR record is published for this address.
Abuse Contact
Raw RDAP Response
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "168.183.0.0",
"length": 16
}
],
"endAddress": "168.183.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-01T08:43:41-04:00"
},
{
"eventAction": "registration",
"eventDate": "2004-02-17T13:15:12-05:00"
}
],
"handle": "UHNO-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UHNO-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/168.183.177.0"
},
{
"href": "https://whois.arin.net/rest/poc/UHNO-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/168.183.177.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"administrative",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "6150 Trenton Lane North\nPlymouth\nMN\n55442\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"United Healthcare Network OC"
],
[
"org",
{},
"text",
"United Healthcare Technologies"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-763-744-1588"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2012-03-15T09:22:00-04:00"
},
{
"eventAction": "registration",
"eventDate": "1994-05-23T00:00:00-04:00"
}
],
"handle": "UHC-5",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UHC-5",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/168.183.177.0"
},
{
"href": "https://whois.arin.net/rest/org/UHC-5",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/168.183.177.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"UnitedHealth Group Incorporated"
],
[
"adr",
{
"label": "IP & DNS Team\r\n6150 Trenton Lane\nPlymouth\nMN\n55442\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-01T08:43:41-04:00"
},
{
"eventAction": "registration",
"eventDate": "2004-02-17T13:15:12-05:00"
}
],
"handle": "UHNO-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UHNO-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/168.183.177.0"
},
{
"href": "https://whois.arin.net/rest/poc/UHNO-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/168.183.177.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"noc",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "6150 Trenton Lane North\nPlymouth\nMN\n55442\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"United Healthcare Network OC"
],
[
"org",
{},
"text",
"United Healthcare Technologies"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-763-744-1588"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-31T14:38:55-04:00"
},
{
"eventAction": "registration",
"eventDate": "1994-05-23T00:00:00-04:00"
}
],
"handle": "NET-168-183-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/168.183.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/168.183.177.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-168-183-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/168.183.177.0"
}
],
"name": "UHC-B2",
"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/168.183.177.0"
}
],
"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/168.183.177.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-168-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"remarks": [
{
"description": [
"-----BEGIN CERTIFICATE-----",
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"ciBDb25uZWN0aXZpdHkxHjAcBgNVBAMMFUludGVybmV0IEdhdGV3YXkoSVNPKTEf",
"MB0GCSqGSIb3DQEJARYQZGFrb3RhQG9wdHVtLmNvbTAeFw0yNjAzMTIwMjI1NTZa",
"Fw0yNzAzMTIwMjI1NTZaMIGqMQswCQYDVQQGEwJVUzESMBAGA1UECAwJTWlubmVz",
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"MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC4FZV7DD31rz3Ncw9cZdqWSMW",
"/XDsa2tfYlrZNhWXbMmRQY2hDyGwigq9++VA0PckNZB/5Xpb+SkJ445AF76VM2Od",
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"AAGjUzBRMB0GA1UdDgQWBBQi8s9V7GXUvY92jA5agqX0y8h6zAfBgNVHSMEGDAW",
"gBQi8s9V7GXUvY92jA5agqX0y8h6zAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3",
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"9NqrYWTILzb00xfLGdoE6PZTKatWflx7ZckyCkQsFuiZSbp15Ou5gElksDM1kfjP",
"dT7GX6x61OOqhSXpi83HYKg2esRRxS8UajRPaK/iriugfLFq4ugG49/37myMu8",
"0yflxbWCl35/sIpUmGdG7YO+3JUuGtp21YvRitUpowVHfPjDpRTxivL6dJWvIt2q",
"rIku7mpoH4Kc63We/gRUu8qAsqqdom4AZmKIsEojDQRdNqmSUZWArmYqFYs7xCp",
"k5xK9RvvShkjITvo36w5D77dzp/V5rFpRz",
"-----END CERTIFICATE-----"
],
"title": "Registration Comments"
}
],
"startAddress": "168.183.0.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
} Contact details of private individuals are redacted.