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Data as of Nov 3, 2026

72.216.192.0/18

36 residential-proxy exits · 30 days

Cox Communications Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS22773
Type
Residential

Residential-proxy exits

Proxy exits
36
0.22% of its addresses · 30 days
Always-on exits
4
11% of its exits
Spread
18 of 64
/24s with at least one exit
Providers
60
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

9.9K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
72.216.240.0/2416
72.216.228.0/2414
72.216.231.0/2414
72.216.229.0/2411
72.216.245.0/2403
72.216.241.0/2402
72.216.247.0/2402
72.216.246.0/2402
72.216.244.0/2402
72.216.203.0/2402
72.216.205.0/2401
72.216.237.0/2401
72.216.201.0/2401
72.216.232.0/2401
72.216.197.0/2401
72.216.206.0/2401
72.216.218.0/2401
72.216.217.0/2401

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Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
72.192.0.0/11AS22773Residential21,059
4,217 always on
Cox Communications Inc.
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

PrefixOriginTypeProxy exitsHolderRPKI
72.216.192.0/20
since Dec 2019
AS22773Residential6Cox Communications Inc.
72.216.208.0/20
since Nov 2019
AS22773Residential2Cox Communications Inc.
72.216.224.0/22
since Aug 2019
AS22773ResidentialCox Communications Inc.
72.216.228.0/22
since Aug 2021
AS22773Residential9
3 always on
Cox Communications Inc.
72.216.228.0/23
since Aug 2021
AS22773Residential5
2 always on
Cox Communications Inc.
72.216.230.0/23
since Aug 2021
AS22773Residential4
1 always on
Cox Communications Inc.
72.216.232.0/21
since Aug 2016
AS22773Residential2Cox Communications Inc.
72.216.240.0/21
since Feb 2017
AS22773Residential17
1 always on
Cox Communications Inc.
72.216.248.0/22
since Mar 2018
AS22773ResidentialCox 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
72.192.0.0/112,097,152NETBLK-COX-ATLANTA-11Cox Communications Inc. (CXA) · USDirect AllocationAug 3, 2005[email protected]
└ 72.216.192.0/204,096NETBLK-PH-CBS-72-216-192-0Cox Communications Inc. (C07472997) · USReassignedDec 12, 2019[email protected]
via NETBLK-COX-ATLANTA-11
└ 72.216.208.0/204,096NETBLK-PH-CBS-72-216-208-0Cox Communications Inc. (C07446276) · USReassignedOct 25, 2019[email protected]
via NETBLK-COX-ATLANTA-11
└ 72.216.228.0/221,024NETBLK-NV-CBS-72-216-228-0Cox Communications Inc. (C07383327) · USReassignedJul 10, 2019[email protected]
via NETBLK-COX-ATLANTA-11
└ 72.216.232.0/212,048NETBLK-GUL-CBS-72-216-232-0Cox Communications Inc. (C03148354) · USReassignedSep 19, 2012[email protected]
via NETBLK-COX-ATLANTA-11
└ 72.216.240.0/204,096NETBLK-HR-RDC-DSG-72-216-240-0Cox Communications Inc. (C03146860) · USReassignedSep 18, 2012[email protected]
via NETBLK-COX-ATLANTA-11

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
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