Data as of Nov 4, 2026
166.88.36.0/24
No anonymizer space · no proxy exits in 30 daysCNServer LLC · space held by Ace Data Centers II, L.L.C.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Jul 2026
from AS203054
IPv4 market
Path
Announced by AS7488 since Jul 2026 · 4 mo ago
1 · Holder
record created Oct 26, 2012 · reallocated to Internet Utilities NA LLC Nov 11, 2025
2 · Leased from
4 · Use
Hosting
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
166.88.36.0/24
From the registry to its use
- Oct 26, 2012Registry recordAce Data Centers II, L.L.C.Direct Allocation166.88.0.0/16
- May 29, 2024– Aug 3, 2025
- Jul 23, 2025– Nov 7, 2025
- Nov 8, 2025– Dec 13, 2025Announced
- Nov 8, 2025– Jan 6, 2026
- Nov 11, 2025ReallocatedInternet Utilities NA LLCReallocated166.88.36.0/24
- Dec 26, 2025– Mar 7, 2026
- Feb 24, 2026– Mar 19, 2026
- Mar 8, 2026– May 30, 2026Announced
- Jul 1, 2026Route objectIPXORADB route object for AS7488 CNServer LLC, maintainer MAINT-AS834
- Jul 1, 2026Route objectIPXOARIN route object for AS7488 CNServer LLC, maintainer MNT-DCL-577
- Jul 6, 2026– today
- todayLeased fromAce Data CentersIP broker
- todayLeased fromIPXOIP 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 |
|---|---|---|---|---|---|---|
| 166.88.0.0/16 | 65,536 | ADCIL | Ace Data Centers II, L.L.C. (ADCIL) · US | Direct Allocation | Oct 26, 2012 | [email protected] |
| └ 166.88.36.0/24 | 256 | IPXO | IPXO LLC (IL-845) · US | Reallocated | Nov 10, 2025 | [email protected] |
| └ 166.88.36.0/24 | 256 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Nov 11, 2025 | [email protected] |
| └ 166.88.36.0/24 | 256 | NET-166-88-36-0-24 | unknown | Reassigned | Jul 1, 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 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
- 166.88.36.0/24
- Reallocated
- Nov 11, 2025
Origin network
AS7488
US
- Name
- CNServer LLC
- Type
- Hosting
- Registered
- Jul 28, 2023
- Domain
- cnserver.com
- Website
- cnserver.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2024
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 7
- Last change of origin
- Jul 2026
Recorded history
History
- Handoffs
- 7
Whois
Registration for this announcement
- Range
- 166.88.36.0/24
- Netname
- NET-166-88-36-0-24
- 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-166-88-36-0-3
- Parent
- NET-166-88-36-0-2
- Created
- Jul 1, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 26, 2012
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN