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Data as of Nov 11, 2026

166.0.100.0/24

No anonymizer space · no proxy exits in 30 days

Fastnet Data Inc · space held by Ace Data Centers, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS8796
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Jul 2026
from AS7488 CNServer LLC
registry: reallocated to Internet Utilities NA LLC by Ace Data Centers, Inc., Jun 10, 2026
IPv4 market

Path

Announced by AS8796 since Jul 2026 · 4 mo ago
1 · Holder
Ace Data Centers, Inc.
record created Jul 10, 2012 · reallocated to Internet Utilities NA LLC Jun 10, 2026
2 · Leased from
Ace Data Centers, IPXO, Rackdog
3 · Announced by
AS8796 Fastnet Data Inc
since Jul 2026 · 4 mo ago
4 · Use
Hosting

Lineage

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

166.0.100.0/24

From the registry to its use

  1. Jul 10, 2012
    Registry record
    Ace Data Centers, Inc.
    Direct Allocation
    166.0.0.0/15
  2. Apr 5, 2023– Jul 9, 2023
    Announced
    AS60721 Bursabil Teknoloji A.S.
    Hosting
  3. Jun 28, 2023– Jul 9, 2023
    Announced
    AS834 IPXO LLC
    Hosting
  4. Dec 25, 2023– Jan 5, 2024
    Announced
    AS11704 Valley Telephone Cooperative, Inc.
    Internet provider
  5. Jan 6, 2024– Jan 17, 2024
    Announced
    AS834 IPXO LLC
    Hosting
  6. Jan 6, 2024– Mar 17, 2024
    Announced
    AS59895 Binary Racks Limited
    Hosting
  7. Feb 17, 2025– Mar 12, 2025
    Announced
    AS215590 DpkgSoft International Limited
    Hosting
  8. Jun 10, 2026
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    166.0.100.0/24
  9. Jun 11, 2026
    Route object
    IPXO
    RADB route object for AS7488 CNServer LLC, maintainer MAINT-AS834
  10. Jun 11, 2026
    Route object
    IPXO
    ARIN route object for AS7488 CNServer LLC, maintainer MNT-DCL-577
  11. Jul 6, 2026– Jul 29, 2026
    Announced
    AS7488 CNServer LLC
    Hosting
  12. Jul 18, 2026– today
    Announced
    AS8796 Fastnet Data Inc
    Hosting
  13. Jul 19, 2026
    Route object
    IPXO
    ARIN route object for AS8796 Fastnet Data Inc, maintainer MNT-DCL-577
  14. Jul 19, 2026
    Route object
    IPXO
    ARIN route object for AS213840 Ddos Protection Ltd, maintainer MNT-DCL-577
  15. Jul 20, 2026
    Route object
    IPXO
    RADB route object for AS8796 Fastnet Data Inc, maintainer MAINT-AS834
  16. Jul 20, 2026
    Route object
    IPXO
    RADB route object for AS213840 Ddos Protection Ltd, maintainer MAINT-AS834
  17. Sep 24, 2026– Oct 18, 2026
    Announced
    AS213840 Ddos Protection Ltd
    Hosting
  18. today
    Leased from
    Ace Data Centers
    IP broker
  19. today
    Leased from
    IPXO
    IP broker
  20. today
    Leased from
    Rackdog
    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
166.0.0.0/15131,072ACE-NETWORK-10Ace Data Centers, Inc. (ADC-96) · USDirect AllocationJul 10, 2012ipabuse@acedatacenter.com
└ 166.0.100.0/24256IPXOIPXO LLC (IL-845) · USReallocatedJun 10, 2026abuse@ipxo.com
└ 166.0.100.0/24256NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJun 10, 2026report@abuseradar.com
└ 166.0.100.0/24256NET-166-0-100-0-24unknownReassignedJun 11, 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
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
Apr 2023
Current origin since
Jul 2026 · 4 mo
Origin networks
8
Last change of origin
Sep 24, 2026
Recorded history

History

Handoffs
8