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Data as of Nov 8, 2026

216.254.6.0/24

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 Nov 17, 1999 · 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 216.254.6.0/24/24s
ARISK
256100%
1
Leased from

Owners leasing their own space

NameIn 216.254.6.0/24/24s
GTT Americas, LLC
256100%
1

Lineage

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

216.254.6.0/24

From the registry to its use

  1. Nov 17, 1999
    Registry record
    GTT Americas, LLC
    Direct Allocation
    216.254.0.0/17
  2. May 9, 2005– Jun 8, 2016
    Announced
    AS23504 GTT Americas, LLC
    as part of 216.254.0.0/17
    216.254.0.0/17
  3. May 22, 2011– Feb 15, 2016
    Announced
    AS18566 GTT Americas, LLC
  4. Jun 15, 2016– May 15, 2022
    Announced
    AS18566 GTT Americas, LLC
    as part of 216.254.0.0/17
    216.254.0.0/17
  5. Apr 29, 2023– today
    Announced
    AS3257 GTT Communications Inc.
    as part of 216.254.0.0/17
    216.254.0.0/17
  6. Nov 7, 2025
    Reallocated
    Arisk Communications inc.
    Reallocated
    216.254.6.0/24
  7. Nov 7, 2025
    Route object
    AS2914 NTT America, Inc.
    ARIN route object for AS2914 NTT America, Inc., maintainer MNT-GAL-104
  8. Nov 8, 2025– today
    Announced
    AS2914 NTT America, Inc.
    Internet provider
  9. today
    Leased from
    ARISK
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
216.254.0.0/17
since Apr 2023
AS3257Internet provider6GTT 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
216.254.0.0/1732,768MEGAPATH-BLK-71GTT Americas, LLC (GAL-104) · USDirect AllocationNov 17, 1999abuse@gtt.net
└ 216.254.6.0/24256GTT-ARISK-NETArisk Communications inc. (AC-5396) · USReallocatedNov 7, 2025support@ariskisp.com
└ 216.254.6.0/24256GTTunknownReassignedJan 12, 2026support@ariskisp.com
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
216.254.0.0/17
Registration type
Direct Allocation
Record created
Nov 17, 1999
Reallocated to
Arisk Communications inc. (AC-5396)
Reallocated range
216.254.6.0/24
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