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Data as of Nov 3, 2026

72.172.226.0/24

No anonymizer space · no proxy exits in 30 days

Synoptek, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS26914
Type
Hosting
Risk
50 / 100 · Medium
IPv4 market

Path

1 · Holder
Synoptek, LLC
record created Jan 3, 2007
2 · Leased from
IPv4.Global
3 · Announced by
AS26914 Synoptek, LLC
since Mar 2017 · 9.6 yr ago
4 · Use
Hosting

Lineage

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

72.172.226.0/24

From the registry to its use

  1. Jan 3, 2007
    Registry record
    Synoptek, LLC
    Direct Allocation
    72.172.224.0/19
  2. Apr 1, 2007– Oct 22, 2008
    Announced
    AS40427 Cisco Systems Ironport Division
    Business
  3. Mar 19, 2017– today
    Announced
    AS26914 Synoptek, LLC
    Business
  4. May 3, 2022
    Reallocated
    Synoptek, LLC
    Reallocated
    72.172.226.0/24
  5. May 3, 2022
    Route object
    AS26914 Synoptek, LLC
    ARIN route object for AS26914 Synoptek, LLC, maintainer MNT-SL-1189
  6. 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, 2007[email protected]
└ 72.172.226.0/24256SYNOPTEK-MCG-WASHINGTON-01Synoptek, LLC (SL-1189) · USReallocatedMay 3, 2022[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Synoptek, LLC
Handle
SL-1189
Range
72.172.224.0/19
Registration type
Direct Allocation
Record created
Jan 3, 2007
Origin network

AS26914

US
Name
Synoptek, LLC
Type
Business
Registered
Dec 17, 2002
Domain
synoptek.com
Website
synoptek.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed