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Data as of Nov 3, 2026

209.166.43.0/24

Anonymizer · ISP proxy

NTT America, Inc. · space held by GTT Americas, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS2914
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
GTT Americas, LLC
record created Dec 10, 1997 · reallocated to Arisk Communications inc. Nov 7, 2025
2 · Leased from
ARISK
for its owner GTT Americas, LLC
3 · Announced by
AS2914 NTT America, Inc.
since Nov 2025 · 12 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 209.166.43.0/24/24s
ARISK
256100%
1
Leased from

Owners leasing their own space

NameIn 209.166.43.0/24/24s
GTT Americas, LLC
256100%
1

Lineage

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

209.166.43.0/24

From the registry to its use

  1. Dec 10, 1997
    Registry record
    GTT Americas, LLC
    Direct Allocation (legacy, pre-1997)
    209.166.0.0/18
  2. May 9, 2005– Nov 9, 2007
    Announced
    AS7455 Motorists Mutual Insurance Company
    as part of 209.166.0.0/18
    209.166.0.0/18
  3. Nov 15, 2007– Jan 29, 2024
    Announced
    AS4565 GTT Americas, LLC
    as part of 209.166.0.0/18
    209.166.0.0/18
  4. Jan 18, 2024– Nov 2, 2026
    Announced
    AS3257 GTT Communications Inc.
    as part of 209.166.0.0/18
    209.166.0.0/18
  5. Nov 7, 2025
    Reallocated
    Arisk Communications inc.
    Reallocated
    209.166.43.0/24
  6. Nov 7, 2025
    Route object
    AS2914 NTT America, Inc.
    ARIN route object for AS2914 NTT America, Inc., maintainer MNT-GAL-104
  7. Nov 8, 2025– Nov 2, 2026
    Announced
    AS2914 NTT America, Inc.
    Internet provider
  8. today
    Leased from
    ARISK
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
209.166.0.0/18
since Jan 2024
AS3257Internet provider24
1 always on
GTT 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
209.166.0.0/1816,384MEGAPATH-BLK-32GTT Americas, LLC (GAL-104) · USDirect AllocationDec 10, 1997[email protected]
└ 209.166.43.0/24256GTT-ARISK-NETArisk Communications inc. (AC-5396) · USReallocatedNov 7, 2025[email protected]
└ 209.166.43.0/24256GTTunknownReassignedJan 12, 2026[email protected]
via GTT-ARISK-NET

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
209.166.0.0/18
Registration type
Direct Allocation
Record created
Dec 10, 1997
Legacy
yes
Reallocated to
Arisk Communications inc. (AC-5396)
Reallocated range
209.166.43.0/24
Reallocated
Nov 7, 2025
Origin network

AS2914

US
Name
NTT America, Inc.
Type
Internet provider
Registered
Dec 7, 1998
Domain
ntt.net
Website
www.gin.ntt.net/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed