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Data as of Nov 3, 2026

67.200.0.0/19

Anonymizer · ISP proxy

RCN · space held by GTT Americas, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS6079
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
GTT Americas, LLC
record created Aug 16, 2007 · reallocated to Northern Cable and Fiber, LLC Apr 25, 2025
2 · Leased from
Rackdog
for its owner GTT Americas, LLC
3 · Announced by
AS6079 RCN
since Apr 2025 · 19 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 67.200.0.0/19/24s
Rackdog
8,192100%
32
Leased from

Owners leasing their own space

NameIn 67.200.0.0/19/24s
GTT Americas, LLC
8,192100%
32

Lineage

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

67.200.0.0/19

From the registry to its use

  1. Aug 16, 2007
    Registry record
    GTT Americas, LLC
    Direct Allocation
    67.200.0.0/17
  2. Sep 1, 2007– May 17, 2017
    Announced
    AS6517 LAKENETWORKS
    Hosting
  3. Jun 15, 2008– Jun 29, 2018
    Announced
    AS6517 LAKENETWORKS
    as part of 67.200.0.0/17
    67.200.0.0/17
  4. Jun 18, 2018– Nov 2, 2026
    Announced
    AS3257 GTT Communications Inc.
    as part of 67.200.0.0/17
    67.200.0.0/17
  5. Apr 18, 2025– today
    Announced
    AS6079 RCN
    Internet provider
  6. Apr 25, 2025
    Reallocated
    Northern Cable and Fiber, LLC
    Reallocated
    67.200.0.0/19
  7. Apr 25, 2025
    Route object
    Rackdog
    RADB route object for AS6079 RCN, maintainer MAINT-AS398465
  8. today
    Leased from
    Rackdog
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
67.200.0.0/17
since Jun 2018
AS3257Internet provider25GTT 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
67.200.0.0/1732,768RGS-BLK12GTT Americas, LLC (GAL-104) · USDirect AllocationAug 16, 2007[email protected]
└ 67.200.0.0/198,192RACKDOG-GTTRackdog, LLC (RL-859) · USReallocatedApr 24, 2025[email protected]
└ 67.200.0.0/198,192NORTHERN-CABLENorthern Cable and Fiber, LLC (NCFL-7) · USReallocatedApr 25, 2025[email protected]
└ 67.200.0.0/198,192RCNRCN (C11341755) · USReassignedSep 4, 2025[email protected]
via RACKDOG-GTT

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
67.200.0.0/17
Registration type
Direct Allocation
Record created
Aug 16, 2007
Reallocated to
Northern Cable and Fiber, LLC (NCFL-7)
Reallocated range
67.200.0.0/19
Reallocated
Apr 25, 2025
Origin network

AS6079

US
Name
RCN
Type
Internet provider
Registered
Apr 4, 2001
Domain
astound.com
Website
www.astound.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed