Data as of Nov 3, 2026

155.229.75.0/24

Anonymizer · ISP proxy

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

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

Path

1 · Holder
record created Dec 4, 1991 · reallocated to Arisk Communications inc. Oct 21, 2025
2 · Leased from
for its owner GTT Americas, LLC
3 · Announced by
AS2914 NTT America, Inc.
since Oct 2025 · 12 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 155.229.75.0/24/24s
ARISK
256100%
1
Leased from

Owners leasing their own space

NameIn 155.229.75.0/24/24s
GTT Americas, LLC
256100%
1

Lineage

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

155.229.75.0/24

From the registry to its use

  1. Dec 4, 1991
    Registry record
    GTT Americas, LLC
    Direct Allocation (legacy, pre-1997)
    155.229.0.0/16
  2. May 9, 2005– Jan 29, 2024
    Announced
    AS4565 GTT Americas, LLC
    as part of 155.229.0.0/16
    155.229.0.0/16
  3. Jan 18, 2024– Nov 2, 2026
    Announced
    AS3257 GTT Communications Inc.
    as part of 155.229.0.0/16
    155.229.0.0/16
  4. Oct 21, 2025
    Reallocated
    Arisk Communications inc.
    Reallocated
    155.229.75.0/24
  5. Oct 21, 2025
    Route object
    AS2914 NTT America, Inc.
    ARIN route object for AS2914 NTT America, Inc., maintainer MNT-GAL-104
  6. Oct 27, 2025– Nov 2, 2026
    Announced
    AS2914 NTT America, Inc.
    Internet provider
  7. today
    Leased from
    ARISK
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorProxy exitsHolderRPKI
155.229.0.0/16
since Jan 2024
AS3257Internet provider2560.39%ISP proxyProxy providersoperated by Bunny48GTT 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
155.229.0.0/1665,536MEGAPATH-BLK-12GTT Americas, LLC (GAL-104) · USDirect AllocationDec 4, 1991[email protected]
└ 155.229.75.0/24256GTT-ARISK-NETArisk Communications inc. (AC-5396) · USReallocatedOct 21, 2025[email protected]
└ 155.229.75.0/24256GTTunknownReassignedJan 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

IPv4 market

Holder

Organization
GTT Americas, LLC
Handle
GAL-104
Range
155.229.0.0/16
Registration type
Direct Allocation
Record created
Dec 4, 1991
Legacy
yes
Reallocated to
Arisk Communications inc. (AC-5396)
Reallocated range
155.229.75.0/24
Reallocated
Oct 21, 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