Data as of Nov 10, 2026
63.192.3.0/24
No anonymizer space · no proxy exits in 30 daysWashington Hospital Healthcare Sysem · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 63.192.0.0/12 since Oct 2013 | AS7018 | Residential | 321 46 always on | AT&T Enterprises, LLC |
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 |
|---|---|---|---|---|---|---|
| 63.192.0.0/12 | 1,048,576 | SBCIS-SIS80 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | May 10, 1999 | abuse@ |
| └ 63.192.3.0/24 | 256 | SBC-63-192-3-0-24-1210104629 | Washington Hopsital Healthcare (C03177624) · US | Reassigned | Oct 10, 2012 | abuse@ via SBCIS-SIS80 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 63.
192. 0. 0/ 12 - Registration type
- Direct Allocation
- Record created
- May 10, 1999
Origin network
AS13932
US
- Name
- Washington Hospital Healthcare Sysem
- Type
- Education
- Registered
- Sep 25, 2012
- Domain
- whhs.com
- 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
- Dec 2012
- Current origin since
- Dec 2012 · 14 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 63.
192. 3. 0/ 24 - Netname
- SBC-63-192-3-0-24-1210104629
- Registrant
- Washington Hopsital Healthcare
- Organization
- Washington Hopsital Healthcare (C03177624)
- Type
- Reassigned
- Handle
- NET-63-192-3-0-1
- Parent
- NET-63-192-0-0-1
- Created
- Oct 10, 2012
- RIR
- ARIN
- Country
- US
- Delegated
- May 10, 1999
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN