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Data as of Nov 9, 2026

216.75.73.0/24

Anonymizer · ISP proxy

Simoresta UAB · space held by Colocation America Corporation

Announcement
this exact prefix
RPKI valid
Announced by
AS212384
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Jul 2026
from AS198250
IPv4 market

Path

Announced by AS212384 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
AS212384 Simoresta UAB
since Jul 2026 · 4 mo ago
4 · Use
Proxy providersnamed IPRoyal
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 216.75.73.0/24/24s
IPRoyal
256100%
1
Leased from

Owners leasing their own space

NameIn 216.75.73.0/24/24s
Colocation America Corporation
256100%
1

Lineage

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

216.75.73.0/24

From the registry to its use

  1. May 9, 2005– Sep 4, 2019
    Announced
    AS12006 Windstream Communications LLC
    as part of 216.75.64.0/19
    216.75.64.0/19
  2. Aug 24, 2019– Jun 4, 2025
    Announced
    AS7029 Windstream Communications LLC
    as part of 216.75.64.0/19
    216.75.64.0/19
  3. Sep 9, 2025– today
    Announced
    AS21769 Colocation America Corporation
    as part of 216.75.64.0/19
    216.75.64.0/19
  4. Sep 17, 2025
    Registry record
    Colocation America Corporation
    Direct Allocation
    216.75.64.0/19
  5. Jan 15, 2026
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    216.75.72.0/22
  6. Apr 1, 2026– Apr 24, 2026
    Announced
    AS198250
  7. Jul 6, 2026– today
    Announced
    AS212384 Simoresta UAB
    Hosting
  8. Jul 9, 2026
    Assigned
    Internet Utilities NA LLC
    Reassigned
    216.75.73.0/24
  9. Jul 9, 2026
    Route object
    IPXO
    RADB route object for AS212384 Simoresta UAB, maintainer MAINT-AS834
  10. Jul 9, 2026
    Route object
    IPXO
    ARIN route object for AS212384 Simoresta UAB, maintainer MNT-DCL-577
  11. today
    Leased from
    IPXO
    IP broker
  12. today
    Used
    IPRoyal
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromHolderRPKI
216.75.64.0/19
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
216.75.64.0/198,192CAC-BLOCK78Colocation America Corporation (CAC-89) · USDirect AllocationSep 17, 2025Abuse@colocationamerica.com
└ 216.75.72.0/221,024IPXOIPXO LLC (IL-845) · USReallocatedJan 15, 2026abuse@ipxo.com
└ 216.75.72.0/221,024NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 15, 2026report@abuseradar.com
└ 216.75.73.0/24256NET-216-75-73-0-24unknownReassignedJul 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
216.75.64.0/19
Registration type
Direct Allocation
Record created
Sep 17, 2025
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
216.75.72.0/22
Reallocated
Jan 15, 2026
Origin network

AS212384

LT
Name
Simoresta UAB
Type
Hosting
Registered
Nov 10, 2020
Domain
simoresta.lt
Website
simoresta.lt
Spamhaus ASN-DROP
not listed