Data as of Nov 3, 2026

63.192.3.0/24

No anonymizer space · no proxy exits in 30 days

Washington Hospital Healthcare Sysem · space held by AT&T Enterprises, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
63.192.0.0/12
since Oct 2013
AS7018Residential331
38 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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
63.192.0.0/121,048,576SBCIS-SIS80AT&T Enterprises, LLC (AEL-360) · USDirect AllocationMay 10, 1999[email protected]
└ 63.192.3.0/24256SBC-63-192-3-0-24-1210104629Washington Hopsital Healthcare (C03177624) · USReassignedOct 10, 2012[email protected]
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