Data as of Nov 4, 2026
199.5.30.0/23
No anonymizer space · no proxy exits in 30 daysTenet HealthSystem Medical, Inc. · space held by Vanguard Health Systems
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Jul 2026
its first announcement on record
Network & registry
Origin network
AS19398
US
- Name
- Tenet HealthSystem Medical, Inc.
- Type
- Business
- Registered
- Mar 7, 2023
- Domain
- tenethealth.com
- Industry
- Service
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2026
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 199.5.28.0/22
- Netname
- TENETHEALTH-PHAZ-199-5-28-0
- Registrant
- Vanguard Health Systems
- Organization
- Vanguard Health Systems (VHM-3)
- Org address
- 8620 North 22nd Avenue, Phoenix, AZ, 85021
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-199-5-28-0-1
- Parent
- NET-199-0-0-0-0
- Created
- Oct 15, 2008
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 15, 2008
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-602-674-1400
- Handle
- ABUSE1775-ARIN