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Data as of Nov 3, 2026

66.210.0.0/16

143 residential-proxy exits · 30 days

Cox Communications Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS22773
Type
Residential
98% of it

Residential-proxy exits

Proxy exits
143
0.22% of its addresses · 30 days
Always-on exits
11
7.7% of its exits
Spread
76 of 256
/24s with at least one exit
Providers
84
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

44K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
66.210.188.0/2423
66.210.74.0/2414
66.210.228.0/2413
66.210.236.0/2413
66.210.26.0/2413
66.210.184.0/2412
66.210.87.0/2412
66.210.240.0/2411
66.210.95.0/2411
66.210.38.0/2411
66.210.58.0/2409
66.210.131.0/2406
66.210.70.0/2406
66.210.92.0/2406
66.210.35.0/2405
66.210.54.0/2404
66.210.103.0/2403
66.210.69.0/2403
66.210.64.0/2402
66.210.197.0/2402
66.210.234.0/2402
66.210.68.0/2402
66.210.235.0/2402
66.210.44.0/2402

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Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

Arrived
PrefixOriginTypeProxy exitsHolderRPKI
66.210.0.0/21
since Aug 2012
AS22773Residential4Cox Communications Inc.
66.210.8.0/24
since Oct 2007
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.9.0/24
since Sep 2007
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.10.0/24
since Oct 2016
AS19403BusinessCox Communications Inc.
via Cox Communications Inc.
66.210.11.0/24
since Nov 2007
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.12.0/22
since May 2005
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.16.0/21
since Jul 2007
AS22773Residential4Cox Communications Inc.
via Cox Communications Inc.
66.210.24.0/22
since Apr 2008
AS22773Residential4
1 always on
Cox Communications Inc.
via Cox Communications Inc.
66.210.25.0/24
since Jan 2024
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.28.0/22
since May 2005
AS22773Residential1Cox Communications Inc.
via Cox Communications Inc.
66.210.32.0/22
since Aug 2016
AS22773Residential7Cox Communications Inc.
via Cox Communications Inc.
66.210.36.0/22
since Sep 2012
AS22773Residential1
1 always on
Cox Communications Inc.
via Cox Communications Inc.
66.210.39.0/24
since Oct 2021
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.40.0/22
since Apr 2008
AS22773Residential1Cox Communications Inc.
66.210.44.0/23
since Aug 2016
AS22773Residential2Cox Communications Inc.
via Cox Communications Inc.
66.210.44.0/24
since Mar 2025
AS22773Residential2Cox Communications Inc.
via Cox Communications Inc.
66.210.45.0/24
since Mar 2025
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.46.0/23
since Apr 2008
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.48.0/21
since Dec 2005
AS22773Residential5Cox Communications Inc.
via Cox Communications Inc.
66.210.50.0/24
since Mar 2014
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.56.0/22
since Sep 2012
AS22773Residential9Cox Communications Inc.
66.210.59.0/24
since Aug 2012
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.60.0/24
since Sep 2026
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.61.0/24
since May 2005
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.62.0/24
since Feb 2018
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.63.0/24
since May 2005
AS22773Residential1Cox Communications Inc.
via Cox Communications Inc.
66.210.64.0/21
since Aug 2016
AS22773Residential16Cox Communications Inc.
via Cox Communications Inc.
66.210.65.0/24
since Aug 2016
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.74.0/24
since May 2005
AS22773Residential4
1 always on
Cox Communications Inc.
via Cox Communications Inc.
66.210.75.0/24
since Dec 2017
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.76.0/24
since May 2005
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.77.0/24
since Jul 2007
AS14885BusinessCox Communications Inc.
via Cox Communications Inc.
66.210.78.0/23
since Aug 2016
AS22773Residential2Cox Communications Inc.
via Cox Communications Inc.
66.210.80.0/20
since Apr 2008
AS22773Residential14
2 always on
Cox Communications Inc.
via Cox Communications Inc.
66.210.80.0/24
since May 2025
AS22773Residential1Cox Communications Inc.
via Cox Communications Inc.
66.210.83.0/24
since Feb 2015
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.84.0/24
since Jun 2024
AS54131BusinessCox Communications Inc.
via Cox Communications Inc.
66.210.85.0/24
since Aug 2025
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.86.0/24
since May 2005
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.96.0/24
since Aug 2018
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.100.0/22
since May 2005
AS22773Residential4Cox Communications Inc.
via Cox Communications Inc.
66.210.112.0/20
since Dec 2011
AS22773Residential3Cox Communications Inc.
via Cox Communications Inc.
66.210.128.0/18
since Apr 2008
AS22773Residential22
3 always on
Cox Communications Inc.
66.210.130.0/24
since Apr 2008
AS22773ResidentialCox Communications Inc.
66.210.135.0/24
since Sep 2013
AS46787BusinessCox Communications Inc.
66.210.152.0/21
since Feb 2008
AS22773ResidentialCox Communications Inc.
66.210.160.0/21
since Feb 2008
AS22773ResidentialCox Communications Inc.
66.210.175.0/24
since Mar 2022
AS22898ResidentialCox Communications Inc.
66.210.180.0/24
since May 2025
AS22773ResidentialCox Communications Inc.
66.210.182.0/24
since Dec 2005
AS22773ResidentialCox Communications Inc.
66.210.192.0/20
since Apr 2008
AS22773Residential6Cox Communications Inc.
via Cox Communications Inc.
66.210.216.0/21
since Aug 2016
AS22773Residential2Cox Communications Inc.
via Cox Communications Inc.
66.210.217.0/24
since Aug 2016
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.222.0/24
since Apr 2018
AS22773ResidentialCox Communications Inc.
via Cox Communications Inc.
66.210.224.0/20
since Oct 2005
AS22773Residential16
2 always on
Cox Communications Inc.
via Cox Communications Inc.
66.210.240.0/20
since Aug 2012
AS22773Residential15
1 always on
Cox Communications Inc.
via Cox Communications Inc.

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
66.210.0.0/1665,536COX-NET-2BLKCox Communications Inc. (CXA) · USDirect AllocationDec 19, 2001[email protected]
└ 66.210.0.0/221,024NETBLK-PH-OHFC-66-210-0-0unknown———
└ 66.210.4.0/221,024NETBLK-PH-OHFC-66-210-4-0unknown———
└ 66.210.8.0/24256NETBLK-NV-OHFC-66-210-8-0Cox Communications Inc. (CXA) · USReallocatedAug 7, 2007[email protected]
└ 66.210.9.0/24256NETBLK-NV-OHFC-66-210-9-0Cox Communications Inc. (CXA) · USReallocatedAug 7, 2007[email protected]
└ 66.210.10.0/24256NETBLK-WI-OHFC-66-210-10-0Cox Communications Inc. (CXA) · USReallocatedAug 28, 2007[email protected]
└ 66.210.11.0/24256NETBLK-WI-OHFC-66-210-11-0Cox Communications Inc. (CXA) · USReallocatedOct 8, 2007[email protected]
└ 66.210.12.0/221,024NETBLK-WI-OHFC-66-210-12-0Cox Communications Inc. (CXA) · USReallocatedAug 15, 2006[email protected]
└ 66.210.16.0/212,048NETBLK-OK-OHFC-66-210-16-0Cox Communications Inc. (CXA) · USReallocatedFeb 2, 2005[email protected]
└ 66.210.24.0/221,024NETBLK-OK-OHFC-66-210-24-0Cox Communications Inc. (CXA) · USReallocatedFeb 2, 2005[email protected]
└ 66.210.28.0/221,024NETBLK-WI-OHFC-66-210-28-0Cox Communications Inc. (CXA) · USReallocatedAug 31, 2004[email protected]
└ 66.210.32.0/221,024NETBLK-AT-OHFC-66-210-32-0Cox Communications Inc. (CXA) · USReallocatedNov 12, 2007[email protected]
└ 66.210.33.12/304NETBLK-GV-CB-66-210-33-12unknown———
└ 66.210.34.0/24256NETBLK-AT-CTGL-66-210-34-0unknown———
└ 66.210.35.0 - 66.210.35.254255NETBLK-GF-NCNF-OFFHFC-66-210-35-0unknown———
└ 66.210.36.0/221,024NETBLK-PH-OHFC-66-210-36-0Cox Communications Inc. (CXA) · USReallocatedNov 12, 2007[email protected]
└ 66.210.36.0/24256NETBLK-PH-TCA-66-210-36-0unknown———
└ 66.210.44.0/23512NETBLK-OM-OHFC-66-210-44-0Cox Communications Inc. (CXA) · USReallocatedAug 15, 2006[email protected]
└ 66.210.46.0/23512NETBLK-OK-OHFC-66-210-46-0Cox Communications Inc. (CXA) · USReallocatedFeb 2, 2005[email protected]
└ 66.210.48.0/212,048NETBLK-OC-OHFC-66-210-48-0Cox Communications Inc. (CXA) · USReallocatedNov 12, 2007[email protected]
└ 66.210.56.0/23512NETBLK-PH-OHFC-66-210-56-0unknown———
└ 66.210.58.0/23512NETBLK-PH-OHFC-66-210-58-0Cox Communications Inc. (CXA) · USReallocatedAug 17, 2011[email protected]
└ 66.210.60.0/24256NETBLK-BR-OHFC-66-210-60-0Cox Communications Inc. (CXA) · USReallocatedAug 7, 2007[email protected]
└ 66.210.61.0/24256NETBLK-BR-OHFC-66-210-61-0Cox Communications Inc. (CXA) · USReallocatedAug 15, 2006[email protected]
└ 66.210.62.0/24256NETBLK-BR-OHFC-66-210-62-0Cox Communications Inc. (CXA) · USReallocatedAug 28, 2007[email protected]
└ 66.210.63.0/24256NETBLK-BR-OHFC-66-210-63-0Cox Communications Inc. (CXA) · USReallocatedNov 12, 2007[email protected]
└ 66.210.64.0/212,048NETBLK-AT-OHFC-66-210-64-0Cox Communications Inc. (CXA) · USReallocatedNov 12, 2007[email protected]
└ 66.210.66.0 - 66.210.67.254511NETBLK-GF-NCNF-OFFHFC-66-210-66-0unknown———
└ 66.210.68.232/298NETBLK-NITEL-66-210-68-232unknown———
└ 66.210.72.0/23512NETBLK-AT-OHFC-66-210-72-0unknown———
└ 66.210.72.0 - 66.210.73.254511NETBLK-GF-NCNF-OFFHFC-66-210-72-0unknown———
└ 66.210.74.0/24256NETBLK-AT-OHFC-66-210-74-0Cox Communications Inc. (CXA) · USReallocatedAug 15, 2006[email protected]
└ 66.210.75.0/24256NETBLK-WI-OHFC-66-210-75-0Cox Communications Inc. (CXA) · USReallocatedJul 20, 2007[email protected]
└ 66.210.76.0/24256NETBLK-WI-OHFC-66-210-76-0Cox Communications Inc. (CXA) · USReallocatedAug 15, 2006[email protected]
└ 66.210.77.0/24256NETBLK-WI-OHFC-66-210-77-0Cox Communications Inc. (CXA) · USReallocatedJul 2, 2007[email protected]
└ 66.210.78.0/23512NETBLK-AT-OHFC-66-210-78-0Cox Communications Inc. (CXA) · USReallocatedAug 15, 2006[email protected]
└ 66.210.80.0/204,096NETBLK-OK-OHFC-66-210-80-0Cox Communications Inc. (CXA) · USReallocatedFeb 10, 2005[email protected]
└ 66.210.84.0/24256NETBLK-KS-CB-66-210-84-0Oklahoma Heart Hospital (OHH-23) · USReassignedOct 28, 2019—
└ 66.210.96.0/24256NETBLK-BR-OHFC-66-210-96-0Cox Communications Inc. (CXA) · USReallocatedNov 12, 2007[email protected]
└ 66.210.97.0/24256NETBLK-AT-OHFC-66-210-97-0unknown———
└ 66.210.97.0/24256NETBLK-AT-TSSI-66-210-97-0unknown———
└ 66.210.98.0/23512NETBLK-AT-TSSI-OHFC-66-210-98-0unknown———
└ 66.210.100.0/221,024NETBLK-HR-OHFC-66-210-100-0Cox Communications Inc. (CXA) · USReallocatedAug 15, 2006[email protected]
└ 66.210.104.0/212,048NETBLK-OK-OHFC-66-210-104-0unknown———
└ 66.210.112.0/204,096NETBLK-RI-OHFC-66-210-112-0Cox Communications Inc. (CXA) · USReallocatedNov 13, 2007[email protected]
└ 66.210.135.0/24256NETBLK-RXLIN-66-210-135-0Rxlinc LLC (RXLIN) · USReassignedMar 6, 2025—
└ 66.210.175.0/24256NETBLK-OKC-CB-66-210-175-0Atlink Services, LLC (LSL-40) · USReassignedMay 19, 2022—
└ 66.210.192.0/204,096NETBLK-OK-OHFC-66-210-192-0Cox Communications Inc. (CXA) · USReallocatedFeb 15, 2005[email protected]
└ 66.210.208.0/204,096NETBLK-AT-OHFC-66-210-208-0Cox Communications Inc. (CXA) · USReallocatedNov 13, 2007[email protected]
└ 66.210.224.0/204,096NETBLK-NO-OHFC-66-210-224-0Cox Communications Inc. (CXA) · USReallocatedNov 13, 2007[email protected]
└ 66.210.240.0/204,096NETBLK-PH-OHFC-66-210-240-0Cox Communications Inc. (CXA) · USReallocatedNov 13, 2007[email protected]

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses
TypeAddressesShareRanges
Residential64,51298%67
Business1,0241.6%4

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS22773

US
Name
Cox Communications Inc.
Type
Internet provider
Registered
Nov 20, 2001
Domain
cox.com
Website
www.cox.com/peering
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed