Data as of Nov 3, 2026

74.1.36.0/24

Anonymizer · ISP proxy

Cogent Communications, LLC · 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 20, 2005 · reallocated to Internet Utilities NA LLC Oct 10, 2025
2 · Leased from
for its owner GTT Americas, LLC
3 · Announced by
AS174 Cogent Communications, LLC
since Oct 2025 · 13 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 74.1.36.0/24/24s
IPXO
256100%
1
Leased from

Owners leasing their own space

NameIn 74.1.36.0/24/24s
GTT Americas, LLC
256100%
1

Lineage

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

74.1.36.0/24

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. Jan 8, 2006– May 15, 2022
    Announced
    AS18566 GTT Americas, LLC
    as part of 74.0.0.0/15
    74.0.0.0/15
  3. Apr 29, 2023– Nov 2, 2026
    Announced
    AS3257 GTT Communications Inc.
    as part of 74.0.0.0/15
    74.0.0.0/15
  4. Oct 10, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    74.1.0.0/16
  5. Oct 15, 2025– Nov 2, 2026
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  6. Oct 21, 2025
    Route object
    IPXO
    ARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-DCL-577
  7. Oct 22, 2025
    Route object
    IPXO
    RADB route object for AS174 Cogent Communications, LLC, maintainer MAINT-AS834
  8. Oct 29, 2026
    Route object
    IPXO
    RADB route object for AS213784 Tngnet B.V., maintainer MAINT-AS834
  9. today
    Leased from
    IPXO
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
74.0.0.0/15
since Apr 2023
AS3257Internet providerIP broker IPXO (part)159
53 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
74.0.0.0 - 74.3.127.255229,376MEGAPATH-BLK-64-65-66GTT Americas, LLC (GAL-104) · USDirect AllocationDec 20, 2005[email protected]
└ 74.1.0.0/1665,536IPXO-LLCIPXO LLC (IL-845) · USReallocatedOct 6, 2025[email protected]
└ 74.1.0.0/1665,536NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedOct 10, 2025[email protected]

Network & registry

IPv4 market

Holder

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
74.1.0.0/16
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