Data as of Nov 11, 2026

72.172.239.0/24

No anonymizer space · no proxy exits in 30 days

Synoptek, LLC

Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
IPv4 market

Path

1 · Holder
Synoptek, LLC
record created Jan 3, 2007
2 · Leased from
3 · Announced by
AS26914 Synoptek, LLC
since Apr 2022 · 4.6 yr ago
4 · Use
Hosting

Lineage

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

72.172.239.0/24

From the registry to its use

  1. Jan 3, 2007
    Registry record
    Synoptek, LLC
    Direct Allocation
    72.172.224.0/19
  2. Apr 22, 2022– today
    Announced
    AS26914 Synoptek, LLC
    Business
  3. May 2, 2022
    Reallocated
    Synoptek, LLC
    Reallocated
    72.172.239.0/24
  4. May 3, 2022
    Route object
    AS26914 Synoptek, LLC
    ARIN route object for AS26914 Synoptek, LLC, maintainer MNT-SL-1189
  5. today
    Leased from
    IPv4.Global
    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
72.172.224.0/198,192SYNOPTEK-FS-GNI-4Synoptek, LLC (SL-1189) · USDirect AllocationJan 3, 2007service@synoptek.com
└ 72.172.239.0/24256SYNOPTEK-MCG-CHICAGO-02Synoptek, LLC (SL-1189) · USReallocatedMay 2, 2022service@synoptek.com

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Apr 2022
Current origin since
Apr 2022 · 4.6 yr
Origin networks
1