Data as of Nov 3, 2026

74.1.76.0/22

Anonymizer · ISP proxy

RCN · reallocated from 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 AS174 Cogent Communications, LLC
registry: reallocated to RCN by GTT Americas, LLC, Sep 3, 2026
IPv4 market

Path

Reallocated to RCN · Sep 3, 2026 · 9 wk ago · by GTT Americas, LLC
1 · Holder
record created Dec 20, 2005 · reallocated to RCN Sep 3, 2026
2 · Leased from
for its owner GTT Americas, LLC
3 · Announced by
AS6079 RCN
since Aug 2026 · 12 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 74.1.76.0/22/24s
IPXO
1,024100%
4
Leased from

Owners leasing their own space

NameIn 74.1.76.0/22/24s
GTT Americas, LLC
1,024100%
4

Lineage

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

74.1.76.0/22

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. Dec 2, 2025– Jan 30, 2026
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  5. Jul 31, 2026
    Route object
    AS6079 RCN
    ARIN route object for AS6079 RCN, maintainer MNT-GAL-104
  6. Aug 11, 2026– Nov 2, 2026
    Announced
    AS6079 RCN
    Internet provider
  7. Sep 3, 2026
    Reallocated
    RCN
    Reallocated
    74.1.76.0/22
  8. today
    Leased from
    IPNetZone
    IP broker
  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]
└ 74.1.76.0/221,024NET-74-1-76-0-22IPNetZone (IPNET-1) · USReallocatedMay 8, 2026[email protected]
└ 74.1.76.0/221,024RCN-GTTRCN (RTSL-6) · USReallocatedSep 3, 2026[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
RCN (RTSL-6)
Reallocated range
74.1.76.0/22
Reallocated
Sep 3, 2026
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