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Data as of Nov 11, 2026

66.78.52.0/24

No anonymizer space · no proxy exits in 30 days

Fast Zone IT · space held by Colocation America Corporation

Announcement
this exact prefix
RPKI valid
Announced by
AS136809
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Oct 22, 2026
from AS4436 GTT Americas, LLC, after 11.5 years unannounced
IPv4 market

Path

Announced by AS136809 since Oct 22, 2026 · 3 wk ago
1 · Holder
Colocation America Corporation
record created Apr 26, 2016 · reallocated to Internet Utilities NA LLC Apr 27, 2026
2 · Leased from
IPXO
3 · Announced by
AS136809 Fast Zone IT
since Oct 22, 2026 · 3 wk ago
4 · Use
Hosting

Lineage

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

66.78.52.0/24

From the registry to its use

  1. May 9, 2005– Aug 22, 2005
    Announced
    AS17252 Colocation America Corporation
    as part of 66.78.0.0/18
    66.78.0.0/18
  2. Sep 1, 2005– Sep 22, 2005
    Announced
    AS21698 TurboNet
    as part of 66.78.0.0/18
    66.78.0.0/18
  3. Oct 1, 2005– Nov 8, 2005
    Announced
    AS17252 Colocation America Corporation
    Hosting
  4. Nov 8, 2005– Apr 1, 2007
    Announced
    AS18942 WebHostPlus Inc
    as part of 66.78.0.0/18
    66.78.0.0/18
  5. Sep 15, 2006– Dec 1, 2007
    Announced
    AS31797 Galaxyvisions Inc
    as part of 66.78.0.0/18
    66.78.0.0/18
  6. Jan 15, 2008– Mar 15, 2008
    Announced
    AS17252 Colocation America Corporation
    as part of 66.78.0.0/18
    66.78.0.0/18
  7. Mar 1, 2009– Aug 22, 2012
    Announced
    AS25973 PacketExchange, Inc
    Internet provider
  8. Sep 1, 2012– Apr 15, 2015
    Announced
    AS4436 GTT Americas, LLC
  9. Apr 26, 2016
    Registry record
    Colocation America Corporation
    Direct Allocation
    66.78.0.0/18
  10. May 1, 2016– today
    Announced
    AS21769 Colocation America Corporation
    as part of 66.78.0.0/18
    66.78.0.0/18
  11. Apr 27, 2026
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    66.78.48.0/21
  12. Oct 22, 2026– today
    Announced
    AS136809 Fast Zone IT
    Hosting
  13. Oct 26, 2026
    Assigned
    Internet Utilities NA LLC
    Reassigned
    66.78.52.0/24
  14. Oct 26, 2026
    Route object
    AS198588 Hangzhou Tungsten Cloud Technology Co., Ltd.
    ARIN route object for AS198588 Hangzhou Tungsten Cloud Technology Co., Ltd., maintainer MNT-CAC-89
  15. Oct 27, 2026
    Route object
    IPXO
    RADB route object for AS136809 Fast Zone IT, maintainer MAINT-AS834
  16. Oct 27, 2026
    Route object
    IPXO
    ARIN route object for AS136809 Fast Zone IT, maintainer MNT-DCL-577
  17. today
    Leased from
    IPXO
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromHolderRPKI
66.78.0.0/18
since May 2016
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
66.78.0.0/1816,384CAC-BLOCK14Colocation America Corporation (CAC-89) · USDirect AllocationApr 26, 2016Abuse@colocationamerica.com
└ 66.78.48.0/212,048IPXO-LLCIPXO LLC (IL-845) · USReallocatedMar 25, 2026abuse@ipxo.com
└ 66.78.48.0/212,048NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedApr 27, 2026report@abuseradar.com
└ 66.78.52.0/24256NET-66-78-52-0-24unknownReassignedOct 26, 2026report@abuseradar.com
via IPXO-LLC

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
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Reactivated
First seen
Oct 2005
Current origin since
Oct 22, 2026 · under a month
Origin networks
4
Last change of origin
Oct 22, 2026
Recorded history

History

Handoffs
3