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Data as of Nov 3, 2026

66.166.78.0/24

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
IPv4 market

Path

1 · Holder
GTT Americas, LLC
record created Sep 10, 2001 · reallocated to IPNetZone Sep 25, 2025
2 · Leased from
IPNetZone
for its owner GTT Americas, LLC
3 · Announced by
AS22773 Cox Communications Inc.
since Sep 2025 · 13 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 66.166.78.0/24/24s
IPNetZone
256100%
1
Leased from

Owners leasing their own space

NameIn 66.166.78.0/24/24s
GTT Americas, LLC
256100%
1

Lineage

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

66.166.78.0/24

From the registry to its use

  1. Sep 10, 2001
    Registry record
    GTT Americas, LLC
    Direct Allocation
    66.166.0.0/15
  2. Sep 21, 2025– Nov 2, 2026
    Announced
    AS22773 Cox Communications Inc.
    Internet provider
  3. Sep 25, 2025
    Reallocated
    IPNetZone
    Reallocated
    66.166.0.0/16
  4. Oct 22, 2026– Nov 2, 2026
    Announced
    AS22773 Cox Communications Inc.
    as part of 66.166.64.0/20
    66.166.64.0/20
  5. today
    Leased from
    IPNetZone
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
66.166.64.0/20
since Oct 22, 2026
AS22773Unknown1GTT Americas, LLC
via IPNetZone
66.166.0.0/15
since Apr 2023
AS3257Internet provider3GTT 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
66.166.0.0/15131,072MEGAPATH-BLK-55GTT Americas, LLC (GAL-104) · USDirect AllocationSep 10, 2001[email protected]
└ 66.166.0.0/1665,536GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedSep 25, 2025[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
GTT Americas, LLC
Handle
GAL-104
Range
66.166.0.0/15
Registration type
Direct Allocation
Record created
Sep 10, 2001
Reallocated to
IPNetZone (IPNET-1)
Reallocated range
66.166.0.0/16
Reallocated
Sep 25, 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