Data as of Nov 11, 2026
149.111.26.0/23
No anonymizer space · no proxy exits in 30 daysUnitedhealthcare · space held by UnitedHealth Group Incorporated
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 149.111.0.0/16 | 65,536 | UNITEDHEALTH-GROUP-INCORPORATED | UnitedHealth Group Incorporated (UHC-5) · US | Direct Allocation | Jan 28, 1992 | inet_ |
| └ 149.111.26.0/23 | 512 | UHC-IR777-1 | Optum International (C08694920) · IE | Reassigned | Jun 21, 2022 | inet_ via UNITEDHEALTH-GROUP-INCORPORATED |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- UnitedHealth Group Incorporated
- Handle
- UHC-5
- Range
- 149.
111. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jan 28, 1992
- Legacy
- yes
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
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2018
- Current origin since
- Feb 2018 · 8.8 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 149.
111. 26. 0/ 23 - Netname
- UHC-IR777-1
- Registrant
- Optum International
- Organization
- Optum International (C08694920)
- Type
- Reassigned
- Handle
- NET-149-111-26-0-1
- Parent
- NET-149-111-0-0-1
- Created
- Jun 21, 2022
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 28, 1992
- Status
- assigned
Report abuse
Abuse contact
- inet_
ops@ uhc. com - Name
- United Healthcare Network OC
- Phone
- +1-763-744-1588
- Handle
- UHNO-ARIN