Data as of Nov 9, 2026
143.203.133.0/24
No anonymizer space · no proxy exits in 30 daysFast Zone IT · space held by Syniac
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Oct 22, 2026
its first announcement on record
registry: reallocated to Internet Utilities NA LLC by Syniac, Oct 8, 2026
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
143.203.133.0/24
From the registry to its use
- Oct 2, 2026Registry recordSyniacDirect Allocation143.203.132.0/22
- Oct 8, 2026ReallocatedInternet Utilities NA LLCReallocated143.203.132.0/22
- Oct 22, 2026AssignedInternet Utilities NA LLCReassigned143.203.133.0/24
- Oct 22, 2026Route objectIPXORADB route object for AS214962 Goh Jing Ming, maintainer MAINT-AS834
- Oct 22, 2026Route objectIPXOARIN route object for AS214962 Goh Jing Ming, maintainer MNT-DCL-577
- Oct 22, 2026– today
- Oct 25, 2026Route objectIPXORADB route object for AS136809 Fast Zone IT, maintainer MAINT-AS834
- Oct 25, 2026Route objectIPXOARIN route object for AS136809 Fast Zone IT, maintainer MNT-DCL-577
- 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 |
|---|---|---|---|---|---|---|
| 143.203.132.0/22 | 1,024 | SYNIAC-L | Syniac (AS-3989) · US | Direct Allocation | Oct 2, 2026 | abusedept@ |
| └ 143.203.132.0/22 | 1,024 | SYNIAC-22 | IPXO LLC (IL-845) · US | Reallocated | Oct 6, 2026 | abuse@ |
| └ 143.203.132.0/22 | 1,024 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Oct 8, 2026 | report@ |
| └ 143.203.133.0/24 | 256 | NET-143-203-133-0-24 | unknown | Reassigned | Oct 22, 2026 | report@ via SYNIAC-L |
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
Registry
Holder
- Organization
- Syniac
- Handle
- AS-3989
- Range
- 143.
203. 132. 0/ 22 - Registration type
- Direct Allocation
- Record created
- Oct 2, 2026
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated
- Oct 8, 2026
Origin network
AS136809
BD
- Name
- Fast Zone IT
- Type
- Hosting
- Registered
- Jun 11, 2026
- Domain
- whiteprivacy.com
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 22, 2026
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 1
RPKI
Route origin authorizations
Whois
Registration for this announcement
- Range
- 143.
203. 133. 0/ 24 - Netname
- NET-143-203-133-0-24
- 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-143-203-133-0-1
- Parent
- NET-143-203-132-0-3
- Created
- Oct 22, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 2, 2026
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN