Data as of Nov 3, 2026
166.0.100.0/24
No anonymizer space · no proxy exits in 30 daysFastnet Data Inc · space held by Ace Data Centers, Inc.
Announcement
this exact prefix
RPKI valid
Announced by
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
record created Jul 10, 2012 · reallocated to Internet Utilities NA LLC Jun 10, 2026
2 · Leased from
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
- Jul 10, 2012Registry recordAce Data Centers, Inc.Direct Allocation166.0.0.0/15
- Apr 5, 2023– Jul 9, 2023
- Jun 28, 2023– Jul 9, 2023
- Dec 25, 2023– Jan 5, 2024
- Jan 6, 2024– Jan 17, 2024
- Jan 6, 2024– Mar 17, 2024
- Feb 17, 2025– Mar 12, 2025
- Jun 10, 2026ReallocatedInternet Utilities NA LLCReallocated166.0.100.0/24
- Jun 11, 2026Route objectIPXORADB route object for AS7488 CNServer LLC, maintainer MAINT-AS834
- Jun 11, 2026Route objectIPXOARIN route object for AS7488 CNServer LLC, maintainer MNT-DCL-577
- Jul 6, 2026– Jul 29, 2026
- Jul 18, 2026– today
- Jul 19, 2026Route objectIPXOARIN route object for AS8796 Fastnet Data Inc, maintainer MNT-DCL-577
- Jul 19, 2026Route objectIPXOARIN route object for AS213840 Ddos Protection Ltd, maintainer MNT-DCL-577
- Jul 20, 2026Route objectIPXORADB route object for AS8796 Fastnet Data Inc, maintainer MAINT-AS834
- Jul 20, 2026Route objectIPXORADB route object for AS213840 Ddos Protection Ltd, maintainer MAINT-AS834
- Sep 24, 2026– Oct 18, 2026
- todayLeased fromAce Data CentersIP broker
- todayLeased fromIPXOIP broker
- todayLeased fromRackdogIP 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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 166.0.0.0/15 | 131,072 | ACE-NETWORK-10 | Ace Data Centers, Inc. (ADC-96) · US | Direct Allocation | Jul 10, 2012 | [email protected] |
| └ 166.0.100.0/24 | 256 | IPXO | IPXO LLC (IL-845) · US | Reallocated | Jun 10, 2026 | [email protected] |
| └ 166.0.100.0/24 | 256 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jun 10, 2026 | [email protected] |
| └ 166.0.100.0/24 | 256 | NET-166-0-100-0-24 | unknown | Reassigned | Jun 11, 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
IPv4 market
Holder
- Organization
- Ace Data Centers, Inc.
- Handle
- ADC-96
- Range
- 166.0.0.0/15
- Registration type
- Direct Allocation
- Record created
- Jul 10, 2012
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated range
- 166.0.100.0/24
- Reallocated
- Jun 10, 2026
Origin network
AS8796
US
- Name
- Fastnet Data Inc
- Type
- Hosting
- Registered
- Apr 4, 2022
- Domain
- fastnetdata.com
- Website
- www.fastnetdata.com
- Industry
- Hosting, Cloud Provider, Data Center, Server Colocation
- Spamhaus ASN-DROP
- not listed
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
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7488 not the origin | RADB | autogen | MAINT-AS834 | Jun 11, 2026 |
| AS7488 not the origin | ARIN | Used by EndUser | MNT-DCL-577 | Jun 11, 2026 |
| AS8796 | ARIN | Used by EndUser | MNT-DCL-577 | Jul 19, 2026 |
| AS8796 | RADB | autogen | MAINT-AS834 | Jul 20, 2026 |
| AS213840 not the origin | ARIN | Used by EndUser | MNT-DCL-577 | Jul 19, 2026 |
| AS213840 not the origin | RADB | autogen | MAINT-AS834 | Jul 20, 2026 |
Whois
Registration for this announcement
- Range
- 166.0.100.0/24
- Netname
- NET-166-0-100-0-24
- Registrant
- Internet Utilities NA LLC
- Organization
- Internet Utilities NA LLC (DCL-577)
- Org address
- 2711 Centerville Road, Wilmington, DE, 19808
- Org country
- US
- Type
- Reassigned
- Handle
- NET-166-0-100-0-3
- Parent
- NET-166-0-100-0-2
- Created
- Jun 11, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 10, 2012
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN