Data as of Nov 3, 2026
199.178.198.0/24
No anonymizer space · no proxy exits in 30 daysTrinity Health IHA Medical Group · space held by AT&T Services, Inc.
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 |
|---|---|---|---|---|---|---|
| 199.176.0.0/14 | 262,144 | AADSNET-CIDR | AT&T Services, Inc. (ATTSE-Z) · US | Direct Allocation | Feb 17, 1994 | [email protected] |
| └ 199.178.198.0/24 | 256 | INTEGRATED-HEALTH | Trinity Health IHA Medical Group (IHSC-12) · US | Reassigned | Aug 30, 2022 | — |
Network & registry
Registry
Holder
- Organization
- AT&T Services, Inc.
- Handle
- ATTSE-Z
- Range
- 199.176.0.0/14
- Registration type
- Direct Allocation
- Record created
- Feb 17, 1994
- Legacy
- yes
Origin network
AS398085
US
- Name
- Trinity Health IHA Medical Group
- Type
- Business
- Registered
- Aug 11, 2022
- Domain
- trinityhealthmichigan.org
- Industry
- Health Care Services
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jun 2012
- Current origin since
- Oct 2022 · 4.0 yr
- Origin networks
- 2
- Last change of origin
- Oct 2022
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 199.178.198.0/24
- Netname
- INTEGRATED-HEALTH
- Registrant
- Trinity Health IHA Medical Group
- Organization
- Trinity Health IHA Medical Group (IHSC-12)
- Org address
- 24 Frank Lloyd Wright Drive, Ann Arbor, MI, 48105
- Org country
- US
- Type
- Reassigned
- Handle
- NET-199-178-198-0-1
- Parent
- NET-199-176-0-0-1
- Created
- Aug 30, 2022
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 17, 1994
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN