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Data as of Nov 8, 2026

209.236.203.0/24

Anonymizer · ISP proxy

Karolio IT paslaugos, UAB · space held by Colocation America Corporation

Announcement
this exact prefix
RPKI valid
Announced by
AS211440
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Jul 2026
from AS208504
IPv4 market

Path

Announced by AS211440 since Jul 2026 · 4 mo ago
1 · Holder
Colocation America Corporation
record created Sep 17, 2025 · reallocated to Internet Utilities NA LLC Jan 15, 2026
2 · Leased from
Colocation America Corporation
its owner, directly
3 · Announced by
AS211440 Karolio IT paslaugos, UAB
since Jul 2026 · 4 mo ago
4 · Use
Proxy providersnamed IPRoyal
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 209.236.203.0/24/24s
IPRoyal
256100%
1
Leased from

Owners leasing their own space

NameIn 209.236.203.0/24/24s
Colocation America Corporation
256100%
1

Lineage

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

209.236.203.0/24

From the registry to its use

  1. May 9, 2005– Aug 8, 2014
    Announced
    AS1785 Windstream Communications LLC
    as part of 209.236.192.0/19
    209.236.192.0/19
  2. Aug 22, 2012– Jun 15, 2014
    Announced
    AS1785 Windstream Communications LLC
  3. Jun 15, 2014– Sep 8, 2025
    Announced
    AS7029 Windstream Communications LLC
    as part of 209.236.192.0/19
    209.236.192.0/19
  4. Jun 15, 2014– Aug 15, 2014
    Announced
    AS7029 Windstream Communications LLC
    Internet provider
  5. Sep 9, 2025– today
    Announced
    AS21769 Colocation America Corporation
    as part of 209.236.192.0/19
    209.236.192.0/19
  6. Sep 17, 2025
    Registry record
    Colocation America Corporation
    Direct Allocation
    209.236.192.0/19
  7. Jan 15, 2026
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    209.236.200.0/22
  8. Apr 13, 2026– May 6, 2026
    Announced
    AS208504
  9. Jul 6, 2026– today
    Announced
    AS211440 Karolio IT paslaugos, UAB
    Hosting
  10. Jul 9, 2026
    Assigned
    Internet Utilities NA LLC
    Reassigned
    209.236.203.0/24
  11. Jul 9, 2026
    Route object
    IPXO
    RADB route object for AS211440 Karolio IT paslaugos, UAB, maintainer MAINT-AS834
  12. Jul 9, 2026
    Route object
    IPXO
    ARIN route object for AS211440 Karolio IT paslaugos, UAB, maintainer MNT-DCL-577
  13. today
    Leased from
    IPXO
    IP broker
  14. today
    Used
    IPRoyal
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesLeased fromHolderRPKI
209.236.192.0/19
since Sep 2025
AS21769Hosting5126.3%Datacenter proxyIP 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
209.236.192.0/198,192CAC-BLOCK77Colocation America Corporation (CAC-89) · USDirect AllocationSep 17, 2025Abuse@colocationamerica.com
└ 209.236.200.0/221,024IPXOIPXO LLC (IL-845) · USReallocatedJan 15, 2026abuse@ipxo.com
└ 209.236.200.0/221,024NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 15, 2026report@abuseradar.com
└ 209.236.203.0/24256NET-209-236-203-0-24unknownReassignedJul 9, 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
209.236.192.0/19
Registration type
Direct Allocation
Record created
Sep 17, 2025
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
209.236.200.0/22
Reallocated
Jan 15, 2026
Origin network

AS211440

LT
Name
Karolio IT paslaugos, UAB
Type
Hosting
Registered
Apr 21, 2021
Domain
simoresta.lt
Website
simoresta.lt
Spamhaus ASN-DROP
not listed