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Data as of Nov 9, 2026

216.175.128.0/18

Anonymizer · ISP proxy

Cox Communications Inc. · space held by GTT Americas, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS22773
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Sep 2026
its first announcement on record
IPv4 market

Path

Announced by AS22773 since Sep 2026 · 8 wk ago
1 · Holder
GTT Americas, LLC
record created Aug 10, 1999 · reallocated to Internet Utilities NA LLC Aug 28, 2025
2 · Leased from
GTT Americas, LLC
its owner, directly
3 · Announced by
AS22773 Cox Communications Inc.
since Sep 2026 · 8 wk ago
4 · Use
Proxy providersnamed Ashburn Proxies
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 216.175.128.0/18/24s
Ashburn Proxies
16,384100%
64
Leased from

Owners leasing their own space

NameIn 216.175.128.0/18/24s
GTT Americas, LLC
16,384100%
64

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

216.175.128.0/18

From the registry to its use

  1. Aug 10, 1999
    Registry record
    GTT Americas, LLC
    Direct Allocation
    216.175.128.0/17
  2. May 9, 2005– Nov 9, 2007
    Announced
    AS7455 Motorists Mutual Insurance Company
    as part of 216.175.128.0/17
    216.175.128.0/17
  3. Nov 15, 2007– Jan 29, 2024
    Announced
    AS4565 GTT Americas, LLC
    as part of 216.175.128.0/17
    216.175.128.0/17
  4. Jan 18, 2024– today
    Announced
    AS3257 GTT Communications Inc.
    as part of 216.175.128.0/17
    216.175.128.0/17
  5. Aug 28, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    216.175.128.0/18
  6. Aug 26, 2026
    Route object
    AS6079 RCN
    ARIN route object for AS6079 RCN, maintainer MNT-GAL-104
  7. Aug 26, 2026
    Route object
    IPXO
    RADB route object for AS6079 RCN, maintainer MAINT-AS834
  8. Aug 26, 2026
    Route object
    AS7029 Windstream Communications LLC
    ARIN route object for AS7029 Windstream Communications LLC, maintainer MNT-GAL-104
  9. Aug 26, 2026
    Route object
    IPXO
    RADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS834
  10. Aug 26, 2026
    Route object
    AS11404 Wave Broadband
    ARIN route object for AS11404 Wave Broadband, maintainer MNT-GAL-104
  11. Aug 26, 2026
    Route object
    IPXO
    RADB route object for AS11404 Wave Broadband, maintainer MAINT-AS834
  12. Aug 26, 2026
    Route object
    AS22773 Cox Communications Inc.
    ARIN route object for AS22773 Cox Communications Inc., maintainer MNT-GAL-104
  13. Aug 26, 2026
    Route object
    IPXO
    RADB route object for AS22773 Cox Communications Inc., maintainer MAINT-AS834
  14. Sep 16, 2026– today
    Announced
    AS22773 Cox Communications Inc.
    Internet provider
  15. today
    Leased from
    IPXO
    IP broker
  16. today
    Used
    Ashburn Proxies
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorProxy exitsHolderRPKI
216.175.128.0/17
since Jan 2024
AS3257Internet provider7682.3%ISP proxyProxy providersoperated by Bunnysold by Novada2GTT Americas, 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
216.175.128.0/1732,768MEGAPATH-BLK-35GTT Americas, LLC (GAL-104) · USDirect AllocationAug 10, 1999abuse@gtt.net
└ 216.175.128.0/1816,384IPXO-LLCIPXO LLC (IL-845) · USReallocatedAug 27, 2025abuse@ipxo.com
└ 216.175.128.0/1816,384NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedAug 28, 2025report@abuseradar.com
└ 216.175.128.0/1816,384NET-216-175-128-0-18Exo Broadband (C11692481) · USReassignedAug 26, 2026report@abuseradar.com
via IPXO-LLC

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
GTT Americas, LLC
Handle
GAL-104
Range
216.175.128.0/17
Registration type
Direct Allocation
Record created
Aug 10, 1999
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
216.175.128.0/18
Reallocated
Aug 28, 2025
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