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Data as of Nov 7, 2026

209.77.204.0/24

1 residential-proxy exit · 30 days

County of Sonoma · space held by AT&T Enterprises, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS11212
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
3
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

1 observation

Proxy providers listing exits

  • AnyIP
  • ColaProxy
  • Thordata

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
209.76.0.0/14
since Nov 2021
AS7018Residential1,154
22 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
209.76.0.0/14262,144SBCIS-SIS80AT&T Enterprises, LLC (AEL-360) · USDirect AllocationApr 29, 1997abuse@att.net
└ 209.77.204.0/24256SBCIS-101815-124837Sonoma County (C00209129) · USReassignedAug 15, 2001abuse@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

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
AT&T Enterprises, LLC
Handle
AEL-360
Range
209.76.0.0/14
Registration type
Direct Allocation
Record created
Apr 29, 1997
Legacy
yes
Origin network

AS11212

US
Name
County of Sonoma
Type
Business
Registered
May 21, 2007
Domain
sonomacounty.gov
Industry
Government and Regulatory Agencies, Administrations, Departments, and Services
Spamhaus ASN-DROP
not listed