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Data as of Nov 3, 2026

74.2.184.0/23

Anonymizer · ISP proxy

Cogent Communications, LLC · space held by GTT Americas, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS174
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
GTT Americas, LLC
record created Dec 20, 2005 · reallocated to Internet Utilities NA LLC Oct 10, 2025
2 · Leased from
IPXO
for its owner GTT Americas, LLC
3 · Announced by
AS174 Cogent Communications, LLC
since Nov 2025 · 11 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 74.2.184.0/23/24s
IPXO
512100%
2
Leased from

Owners leasing their own space

NameIn 74.2.184.0/23/24s
GTT Americas, LLC
512100%
2

Lineage

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

74.2.184.0/23

From the registry to its use

  1. Dec 20, 2005
    Registry record
    GTT Americas, LLC
    Direct Allocation
    74.0.0.0 - 74.3.127.255
  2. Feb 1, 2007– May 15, 2022
    Announced
    AS18566 GTT Americas, LLC
    as part of 74.2.0.0/16
    74.2.0.0/16
  3. Apr 29, 2023– Nov 2, 2026
    Announced
    AS3257 GTT Communications Inc.
    as part of 74.2.0.0/16
    74.2.0.0/16
  4. Oct 10, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    74.2.176.0/20
  5. Nov 10, 2025
    Assigned
    FiberPower LLC
    Reassigned
    74.2.184.0/23
  6. Nov 10, 2025
    Route object
    IPXO
    RADB route object for AS174 Cogent Communications, LLC, maintainer MAINT-AS834
  7. Nov 10, 2025
    Route object
    IPXO
    ARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-DCL-577
  8. Nov 20, 2025– Nov 2, 2026
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  9. today
    Leased from
    IPXO
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
74.2.0.0/16
since Apr 2023
AS3257Internet providerIP broker IPXO (part)314GTT 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
74.0.0.0 - 74.3.127.255229,376MEGAPATH-BLK-64-65-66GTT Americas, LLC (GAL-104) · USDirect AllocationDec 20, 2005[email protected]
└ 74.2.176.0/204,096IPXO-LLCIPXO LLC (IL-845) · USReallocatedOct 6, 2025[email protected]
└ 74.2.176.0/204,096NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedOct 10, 2025[email protected]
└ 74.2.184.0/23512FIBERPOWER-LLCFiberPower LLC (C11416025) · USReassignedNov 10, 2025[email protected]
via IPXO-LLC

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
74.0.0.0 - 74.3.127.255
Registration type
Direct Allocation
Record created
Dec 20, 2005
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
74.2.176.0/20
Reallocated
Oct 10, 2025
Origin network

AS174

US
Name
Cogent Communications, LLC
Type
Internet provider
Registered
May 16, 1996
Domain
cogentco.com
Website
www.cogentco.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
1,658