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Data as of Nov 9, 2026

174.140.251.0/24

Anonymizer · ISP proxy

LINK4 Communication · space held by Colocation America Corporation

Announcement
this exact prefix
RPKI valid
Announced by
AS152606
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Oct 22, 2026
from AS214483 FiberPower LLC
registry: reallocated to Internet Utilities NA LLC by Colocation America Corporation, Jul 28, 2026
IPv4 market

Path

Announced by AS152606 since Oct 22, 2026 · 3 wk ago
1 · Holder
Colocation America Corporation
record created Dec 1, 2008 · reallocated to Internet Utilities NA LLC Jul 28, 2026
2 · Leased from
Colocation America Corporation
its owner, directly
3 · Announced by
AS152606 LINK4 Communication
since Oct 22, 2026 · 3 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 174.140.251.0/24/24s
Colocation America Corporation
256100%
1

Lineage

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

174.140.251.0/24

From the registry to its use

  1. Dec 1, 2008
    Registry record
    Colocation America Corporation
    Direct Allocation
    174.140.192.0/18
  2. Jul 15, 2011– Nov 18, 2016
    Announced
    AS47013 Colocation America Corporation
    as part of 174.140.224.0/19
    174.140.224.0/19
  3. Nov 7, 2016– today
    Announced
    AS17252 Colocation America Corporation
    as part of 174.140.224.0/19
    174.140.224.0/19
  4. Oct 21, 2017– Mar 21, 2021
    Announced
    AS9009 M247 Europe SRL
    Hosting
  5. Aug 1, 2021– Jul 17, 2026
    Announced
    AS21769 Colocation America Corporation
    Hosting
  6. Jul 28, 2026
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    174.140.250.0/23
  7. Aug 23, 2026– Sep 3, 2026
    Announced
    AS214483 FiberPower LLC
    Hosting
  8. Oct 22, 2026– today
    Announced
    AS152606 LINK4 Communication
    Hosting
  9. Oct 23, 2026
    Assigned
    Internet Utilities NA LLC
    Reassigned
    174.140.251.0/24
  10. Oct 23, 2026
    Route object
    IPXO
    RADB route object for AS152606 LINK4 Communication, maintainer MAINT-AS834
  11. Oct 23, 2026
    Route object
    IPXO
    ARIN route object for AS152606 LINK4 Communication, maintainer MNT-DCL-577
  12. today
    Leased from
    IPXO
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromHolderRPKI
174.140.224.0/19
since Nov 2016
AS17252HostingIP broker IPXO (part)Colocation America Corporation
174.140.192.0/18
since Jul 2026
AS21769HostingColocation America Corporation

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
174.140.192.0/1816,384CAC-BLOCK6Colocation America Corporation (CAC-89) · USDirect AllocationDec 1, 2008Abuse@colocationamerica.com
└ 174.140.250.0/23512IPXOIPXO LLC (IL-845) · USReallocatedJul 28, 2026abuse@ipxo.com
└ 174.140.250.0/23512NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJul 28, 2026report@abuseradar.com
└ 174.140.251.0/24256NET-174-140-251-0-24unknownReassignedOct 23, 2026report@abuseradar.com
via IPXO

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
Colocation America Corporation
Handle
CAC-89
Range
174.140.192.0/18
Registration type
Direct Allocation
Record created
Dec 1, 2008
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
174.140.250.0/23
Reallocated
Jul 28, 2026
Origin network

AS152606

BD
Name
LINK4 Communication
Type
Hosting
Registered
Mar 3, 2024
Domain
link4bd.com
Website
link4bd.com
Spamhaus ASN-DROP
not listed