Data as of Nov 4, 2026
204.28.13.0/24
No anonymizer space · no proxy exits in 30 daysUnitedhealthcare · space held by Kelsey-Seybold Clinic
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
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Feb 2009
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 3
- Last change of origin
- Aug 2025
Recorded history
History
- Handoffs
- 3
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS46724 not the origin | RADB | Customer Route - Kelsey Seybold | MAINT-AS35847 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 204.
28. 12. 0/ 22 - Netname
- KELSEY-SEYBOLD-PUBLIC-NETWORK
- Registrant
- Kelsey-Seybold Clinic
- Organization
- Kelsey-Seybold Clinic (KELSE-1)
- Org address
- 11511 Shadow Creek Pkwy, Pearland, TX, 77584
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-28-12-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Dec 10, 2008
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 10, 2008
- Status
- assigned
Report abuse
Abuse contact
- ISNetworkAdministrators@
kelsey-seybold. com - Name
- ENS
- Phone
- +1-713-442-9900
- Handle
- ENS6-ARIN