Data as of Nov 5, 2026
128.35.255.0/24
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 |
|---|---|---|---|---|
| 128.35.128.0/17 since Jan 2016 | AS10879 | Business | UnitedHealth Group Incorporated |
Network & registry
Announced by
Covering announcement 128.35.192.0/18
- Prefix
- 128.35.192.0/18
- Announced by
- AS10879 Unitedhealthcare
- Type
- Business
- RPKI
- No RPKI
- Netname
- INTEGRIS-128-35
- Registrant
- UnitedHealth Group Incorporated
- RIR
- ARIN
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
128.35.192.0/18
Routing history
- Pattern
- Stable
- First seen
- Apr 2017
- Current origin since
- Apr 2017 · 9.6 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 128.
35. 0. 0/ 16 - Netname
- INTEGRIS-128-35
- 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-128-35-0-0-1
- Parent
- NET-128-0-0-0-0
- Created
- Jul 6, 1983
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 6, 1983
- Status
- assigned
Report abuse
Abuse contact
- inet_
ops@ uhc. com - Name
- United Healthcare Network OC
- Phone
- +1-763-744-1588
- Handle
- UHNO-ARIN