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Data as of Nov 6, 2026

205.196.153.0/24

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 23, 2026
from AS20473 The Constant Company, LLC
IPv4 market

Path

Announced by AS152606 since Oct 23, 2026 · 2 wk ago
1 · Holder
Colocation America Corporation
record created Sep 17, 2025 · reallocated to Internet Utilities NA LLC Oct 31, 2025
2 · Leased from
Colocation America Corporation
its owner, directly
3 · Announced by
AS152606 LINK4 Communication
since Oct 23, 2026 · 2 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 205.196.153.0/24/24s
Colocation America Corporation
256100%
1

Lineage

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

205.196.153.0/24

From the registry to its use

  1. May 9, 2005– Aug 8, 2014
    Announced
    AS7260 Hawaii Fiber Management LLC
    as part of 205.196.128.0/19
    205.196.128.0/19
  2. Aug 15, 2014– Jun 4, 2025
    Announced
    AS7029 Windstream Communications LLC
    as part of 205.196.128.0/19
    205.196.128.0/19
  3. Sep 9, 2025– today
    Announced
    AS21769 Colocation America Corporation
    as part of 205.196.128.0/19
    205.196.128.0/19
  4. Sep 17, 2025
    Registry record
    Colocation America Corporation
    Direct Allocation
    205.196.128.0/19
  5. Oct 31, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    205.196.144.0/20
  6. Nov 20, 2025– Feb 11, 2026
    Announced
    AS9304 HGC Global Communications Limited
    Internet provider
  7. Jan 31, 2026– Feb 23, 2026
    Announced
    AS214432 Zhilian Technology CO., LTD.
    Hosting
  8. Mar 8, 2026– Aug 10, 2026
    Announced
    AS147034 barebox.com.bd
    Hosting
  9. Aug 23, 2026– Oct 11, 2026
    Announced
    AS20473 The Constant Company, LLC
    Hosting
  10. Aug 25, 2026
    Route object
    AS20473 The Constant Company, LLC
    ARIN route object for AS20473 The Constant Company, LLC, maintainer MNT-CAC-89
  11. Oct 21, 2026
    Assigned
    Internet Utilities NA LLC
    Reassigned
    205.196.153.0/24
  12. Oct 22, 2026
    Route object
    IPXO
    RADB route object for AS152606 LINK4 Communication, maintainer MAINT-AS834
  13. Oct 23, 2026– today
    Announced
    AS152606 LINK4 Communication
    Hosting
  14. today
    Leased from
    IPXO
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromHolderRPKI
205.196.128.0/19
since Sep 2025
AS21769HostingIP broker IPXO (part)Colocation 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
205.196.128.0/198,192CAC-BLOCK73Colocation America Corporation (CAC-89) · USDirect AllocationSep 17, 2025Abuse@colocationamerica.com
└ 205.196.144.0/204,096IPXOIPXO LLC (IL-845) · USReallocatedOct 30, 2025abuse@ipxo.com
└ 205.196.144.0/204,096NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedOct 31, 2025report@abuseradar.com
└ 205.196.153.0/24256NET-205-196-153-0-24unknownReassignedOct 21, 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
205.196.128.0/19
Registration type
Direct Allocation
Record created
Sep 17, 2025
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
205.196.144.0/20
Reallocated
Oct 31, 2025
Origin network

AS152606

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