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Data as of Nov 3, 2026

166.1.75.0/24

Anonymizer · ISP proxy

GTT Communications Inc. · space held by Ace Data Centers, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS3257
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Aug 2026
from AS401152 Ace Data Centers II, L.L.C.
IPv4 market

Path

Announced by AS3257 since Aug 2026 · 10 wk ago
1 · Holder
Ace Data Centers, Inc.
record created Jul 10, 2012
2 · Leased from
Ace Data Centers
3 · Announced by
AS3257 GTT Communications Inc.
since Aug 2026 · 10 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 166.1.75.0/24/24s
Ace Data Centers
256100%
1

Lineage

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

166.1.75.0/24

From the registry to its use

  1. Jul 10, 2012
    Registry record
    Ace Data Centers, Inc.
    Direct Allocation
    166.0.0.0/15
  2. Mar 30, 2024– Jul 5, 2026
    Announced
    AS58061 Scalaxy B.V.
    Hosting
  3. Jul 18, 2026– Aug 10, 2026
    Announced
    AS401152 Ace Data Centers II, L.L.C.
    Hosting
  4. Aug 18, 2026
    Assigned
    Metronet
    Reassigned
    166.1.75.0/24
  5. Aug 23, 2026– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  6. Aug 25, 2026
    Route object
    AS3257 GTT Communications Inc.
    ARIN route object for AS3257 GTT Communications Inc., maintainer MNT-ADC-96
  7. today
    Leased from
    Ace Data Centers
    IP broker
  8. today
    Leased from
    IPXO
    IP broker

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
166.0.0.0/15131,072ACE-NETWORK-10Ace Data Centers, Inc. (ADC-96) · USDirect AllocationJul 10, 2012[email protected]
└ 166.1.75.0/24256METRONETMetronet (C11684496) · USReassignedAug 18, 2026[email protected]
via ACE-NETWORK-10

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
Ace Data Centers, Inc.
Handle
ADC-96
Range
166.0.0.0/15
Registration type
Direct Allocation
Record created
Jul 10, 2012
Origin network

AS3257

US
Name
GTT Communications Inc.
Type
Internet provider
Registered
Sep 30, 1994
Domain
gtt.net
Website
www.gtt.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
244