Data as of Nov 12, 2026
64.252.243.0/24
No anonymizer space · no proxy exits in 30 daysYale-New Haven Health Services Corporation · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 64.252.192.0/18 since Dec 2017 | AS7018 | Residential | 185 25 always on | AT&T Enterprises, LLC |
Network & registry
Origin network
AS20442
US
- Name
- Yale-New Haven Health Services Corporation
- Type
- Business
- Registered
- Sep 10, 2007
- Domain
- ynhh.org
- Industry
- Hospitals and Medical Centers
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2007
- Current origin since
- Sep 2007 · 19 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS20442 | RADB | Yale-New Haven Health Services | MAINT-AS20442 | May 12, 2026 |
Whois
Registration for this announcement
- Range
- 64.
252. 192. 0/ 18 - Netname
- SBCIS-SIS80-1005
- Registrant
- AT&T Enterprises, LLC
- Organization
- AT&T Enterprises, LLC (AEL-360)
- Org address
- 208 S. Akard St., Dallas, TX, 75202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-64-252-192-0-1
- Parent
- NET-64-0-0-0-0
- Created
- Jan 4, 2000
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 4, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN