Data as of Nov 7, 2026

131.143.168.0/24

Anonymizer · ISP proxy

World First Communication Ltd · space held by Synthetix Tech LLC

Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
record created Oct 7, 2025
2 · Leased from
its owner, directly
3 · Announced by
AS213607 World First Communication Ltd
since Jan 2026 · 9 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 131.143.168.0/24/24s
Synthetix Tech LLC
256100%
1

Lineage

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

131.143.168.0/24

From the registry to its use

  1. Oct 7, 2025
    Registry record
    Synthetix Tech LLC
    Direct Allocation
    131.143.168.0/22
  2. Jan 20, 2026
    Assigned
    World First Communication Ltd
    Reassigned
    131.143.168.0/23
  3. Jan 20, 2026
    Route object
    AS213607 World First Communication Ltd
    ARIN route object for AS213607 World First Communication Ltd, maintainer MNT-STL-390
  4. Jan 31, 2026– today
    Announced
    AS213607 World First Communication Ltd
    Hosting

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
131.143.168.0/221,024SYNSynthetix Tech LLC (STL-390) · THDirect AllocationOct 7, 2025rimless-shrug-work@duck.com
└ 131.143.168.0/23512WORLD-FIRST-COMMUNICATION-LTD-AS213607World First Communication Ltd (C11480162) · GBReassignedJan 20, 2026rimless-shrug-work@duck.com
via SYN

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
Synthetix Tech LLC
Handle
STL-390
Range
131.143.168.0/22
Registration type
Direct Allocation
Record created
Oct 7, 2025
Origin network

AS213607

GB
Name
World First Communication Ltd
Type
Hosting
Registered
Jan 10, 2025
Domain
worldfirstmunication.com
Website
worldfirstmunication.com
Spamhaus ASN-DROP
not listed