Data as of Nov 9, 2026

63.194.190.0/24

No anonymizer space · no proxy exits in 30 days

County of Santa Cruz · 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
AS7018Residential327
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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
63.192.0.0/121,048,576SBCIS-SIS80AT&T Enterprises, LLC (AEL-360) · USDirect AllocationMay 10, 1999abuse@att.net
└ 63.194.190.0/24256SBCIS990913-81County of Santa Cruz (C00036933) · USReassignedSep 13, 1999abuse@att.net
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

AS36437

US
Name
County of Santa Cruz
Type
Education
Registered
Sep 17, 2018
Domain
santacruzcountyjobs.com
Industry
Education and Research
Spamhaus ASN-DROP
not listed