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Data as of Nov 15, 2026

66.80.172.0/22

Anonymizer · ISP proxy

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

Announcement
this exact prefix
RPKI invalid (origin)
Announced by
AS3257
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
GTT Americas, LLC
record created Feb 16, 2001
2 · Leased from
ARISK
3 · Announced by
AS3257 GTT Communications Inc.
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 66.80.172.0/22/24s
ARISK
1,024100%
4

Lineage

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

66.80.172.0/22

From the registry to its use

  1. Feb 16, 2001
    Registry record
    GTT Americas, LLC
    Direct Allocation
    66.80.0.0/16
  2. May 9, 2005– Aug 22, 2006
    Announced
    AS23215 GTT Americas, LLC
    as part of 66.80.0.0/16
    66.80.0.0/16
  3. Aug 22, 2006– Jan 29, 2024
    Announced
    AS4565 GTT Americas, LLC
    as part of 66.80.0.0/16
    66.80.0.0/16
  4. Jan 18, 2024– Nov 14, 2026
    Announced
    AS3257 GTT Communications Inc.
    as part of 66.80.0.0/16
    66.80.0.0/16
  5. Dec 15, 2025
    Route object
    AS2914 NTT America, Inc.
    ARIN route object for AS2914 NTT America, Inc., maintainer MNT-GAL-104
  6. Dec 15, 2025
    Route object
    AS401783 Tokala Communications Inc.
    ARIN route object for AS401783 Tokala Communications Inc., maintainer MNT-GAL-104
  7. Sep 18, 2026– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  8. today
    Leased from
    ARISK
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
66.80.0.0/16
since Jan 2024
AS3257Internet provider342
197 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
66.80.0.0/1665,536MEGAPATH-BLK-4GTT Americas, LLC (GAL-104) · USDirect AllocationFeb 16, 2001abuse@gtt.net
└ 66.80.172.0/221,024GTT-CUSTOMERunknownReassignedDec 15, 2025abuse@gtt.net
via MEGAPATH-BLK-4

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
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

First seen
Before our records
Origin networks
1