Data as of Nov 9, 2026

206.135.148.0/22

Anonymizer · ISP proxy

GTT Communications Inc. · space held by GTT Americas, LLC

Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Aug 2026
from AS2914 NTT America, Inc.
registry: reallocated to IPNetZone by GTT Americas, LLC, Aug 24, 2026
IPv4 market

Path

Reallocated to IPNetZone · Aug 24, 2026 · 11 wk ago · by GTT Americas, LLC
1 · Holder
record created Oct 2, 1995 · reallocated to IPNetZone Aug 24, 2026
2 · Leased from
3 · Announced by
AS3257 GTT Communications Inc.
since Aug 2026 · 11 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Lineage

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

206.135.148.0/22

From the registry to its use

  1. Oct 2, 1995
    Registry record
    GTT Americas, LLC
    Direct Allocation (legacy, pre-1997)
    206.135.0.0/16
  2. May 9, 2005– Jan 29, 2024
    Announced
    AS4565 GTT Americas, LLC
    as part of 206.135.0.0/16
    206.135.0.0/16
  3. Jan 18, 2024– Nov 8, 2026
    Announced
    AS3257 GTT Communications Inc.
    as part of 206.135.0.0/16
    206.135.0.0/16
  4. Nov 8, 2025– Jun 11, 2026
    Announced
    AS199524 G-Core Labs S.A.
    Hosting
  5. Jun 18, 2026
    Route object
    AS7029 Windstream Communications LLC
    ARIN route object for AS7029 Windstream Communications LLC, maintainer MNT-GAL-104
  6. Jun 24, 2026– Aug 10, 2026
    Announced
    AS2914 NTT America, Inc.
    Internet provider
  7. Jul 1, 2026
    Route object
    AS2914 NTT America, Inc.
    ARIN route object for AS2914 NTT America, Inc., maintainer MNT-GAL-104
  8. Aug 23, 2026– Nov 8, 2026
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  9. Aug 24, 2026
    Reallocated
    IPNetZone
    Reallocated
    206.135.148.0/22
  10. Aug 26, 2026
    Route object
    AS3257 GTT Communications Inc.
    ARIN route object for AS3257 GTT Communications Inc., maintainer MNT-GAL-104
  11. today
    Leased from
    IPNetZone
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
206.135.0.0/16
since Jan 2024
AS3257Residential2,479
856 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
206.135.0.0/1665,536MEGAPATH-BLK-40GTT Americas, LLC (GAL-104) · USDirect AllocationOct 2, 1995abuse@gtt.net
└ 206.135.148.0/221,024GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedAug 24, 2026ipabuse@unsi.net

Network & registry

IPv4 market

Holder

Organization
GTT Americas, LLC
Handle
GAL-104
Range
206.135.0.0/16
Registration type
Direct Allocation
Record created
Oct 2, 1995
Legacy
yes
Reallocated to
IPNetZone (IPNET-1)
Reallocated range
206.135.148.0/22
Reallocated
Aug 24, 2026
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