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Data as of Nov 3, 2026

166.88.22.0/24

No anonymizer space · no proxy exits in 30 days

Check Networks · space held by Ace Data Centers II, L.L.C.

Announcement
this exact prefix
RPKI valid
Announced by
AS150004
Type
Unknown
Risk
40 / 100 · Medium
Leased space
IPv4 market

Path

1 · Holder
Ace Data Centers II, L.L.C.
record created Oct 26, 2012 · reallocated to Internet Utilities NA LLC Oct 30, 2025
2 · Leased from
Ace Data Centers, IPXO
3 · Announced by
AS150004 Check Networks
since Mar 2026 · 8 mo ago
4 · Use
Unknown

Lineage

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

166.88.22.0/24

From the registry to its use

  1. Oct 26, 2012
    Registry record
    Ace Data Centers II, L.L.C.
    Direct Allocation
    166.88.0.0/16
  2. Jul 22, 2015– Sep 7, 2016
    Announced
    AS18779 EGIHosting
    Hosting
  3. Jul 25, 2020– Aug 3, 2025
    Announced
    AS18779 EGIHosting
    Hosting
  4. Jul 23, 2025– Nov 7, 2025
    Announced
    AS401152 Ace Data Centers II, L.L.C.
    Hosting
  5. Oct 27, 2025– Nov 7, 2025
    Announced
    AS834 IPXO LLC
    Hosting
  6. Oct 27, 2025– Jan 30, 2026
    Announced
    AS9304 HGC Global Communications Limited
    Internet provider
  7. Oct 30, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    166.88.22.0/24
  8. Jan 31, 2026– Mar 19, 2026
    Announced
    AS834 IPXO LLC
    Hosting
  9. Mar 8, 2026– today
    Announced
    AS150004 Check Networks
    Internet provider
  10. Mar 11, 2026
    Route object
    IPXO
    RADB route object for AS150004 Check Networks, maintainer MAINT-AS834
  11. Mar 11, 2026
    Route object
    IPXO
    ARIN route object for AS150004 Check Networks, maintainer MNT-DCL-577
  12. today
    Leased from
    Ace Data Centers
    IP broker
  13. today
    Leased from
    IPXO
    IP broker

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
166.88.0.0/1665,536ADCILAce Data Centers II, L.L.C. (ADCIL) · USDirect AllocationOct 26, 2012[email protected]
└ 166.88.22.0/24256IPXOIPXO LLC (IL-845) · USReallocatedOct 30, 2025[email protected]
└ 166.88.22.0/24256NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedOct 30, 2025[email protected]
└ 166.88.22.0/24256NET-166-88-22-0-24Check Networks (C11538053) · AUReassignedMar 10, 2026[email protected]
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
Ace Data Centers II, L.L.C.
Handle
ADCIL
Range
166.88.0.0/16
Registration type
Direct Allocation
Record created
Oct 26, 2012
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
166.88.22.0/24
Reallocated
Oct 30, 2025
Origin network

AS150004

AU
Name
Check Networks
Type
Internet provider
Registered
Jul 4, 2022
Domain
checknetworks.com.au
Website
checknetworks.com.au
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed