Data as of Nov 3, 2026
170.138.53.0/24
No anonymizer space · no proxy exits in 30 daysUnitedhealthcare · space held by UnitedHealth Group Incorporated
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 170.138.0.0/16 since Aug 2025 | AS10879 | Business | UnitedHealth Group Incorporated |
Network & registry
Origin network
AS10879
US
- Name
- Unitedhealthcare
- Type
- Business
- Registered
- Dec 17, 1997
- Domain
- uhc.com
- Website
- www.uhc.com
- Industry
- Recreation, Sports, and Performing Arts
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2025
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 170.138.0.0/16
- Netname
- EMDEON-BUSINESS-SERVICES-LLC
- Registrant
- UnitedHealth Group Incorporated
- Organization
- UnitedHealth Group Incorporated (UHC-5)
- Org address
- IP & DNS Team, Plymouth, MN, 55442
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-170-138-0-0-1
- Parent
- NET-170-0-0-0-0
- Created
- May 18, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- May 18, 1994
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- United Healthcare Network OC
- Phone
- +1-763-744-1588
- Handle
- UHNO-ARIN