Data as of Nov 8, 2026

38.165.239.0/24

No anonymizer space · no proxy exits in 30 days

Sondatech S.A.S. · space held by Cogent Communications, LLC

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

Path

1 · Holder
record created Apr 16, 1991 · reallocated to IPXON Networks Oct 19, 2022
2 · Leased from
3 · Announced by
AS263812 Sondatech S.A.S.
since Sep 2025 · 14 mo ago
4 · Use
Hosting

Lineage

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

38.165.239.0/24

From the registry to its use

  1. Apr 16, 1991
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    38.0.0.0/8
  2. Oct 19, 2022
    Reallocated
    IPXON Networks
    Reallocated
    38.165.224.0/19
  3. Sep 2, 2024– Sep 25, 2024
    Announced
    AS263812 Sondatech S.A.S.
    Hosting
  4. Sep 9, 2025– today
    Announced
    AS263812 Sondatech S.A.S.
    Hosting
  5. Sep 19, 2025
    Assigned
    IPXON Networks Argentina - Cordoba
    Reassigned
    38.165.239.0/24
  6. Sep 19, 2025
    Route object
    AS263812 Sondatech S.A.S.
    RADB route object for AS263812 Sondatech S.A.S., maintainer MAINT-AS263812
  7. Sep 18, 2026– today
    Announced
    AS174 Cogent Communications, LLC
    as part of 38.0.0.0/8
    38.0.0.0/8
  8. today
    Leased from
    IPXO
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
38.0.0.0/8AS174Internet providerIP broker Rackdog (part)403,145
78,303 always on
Cogent Communications, LLC

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
38.0.0.0/816,777,216COGENT-ACogent Communications, LLC (COGC) · USDirect AllocationApr 16, 1991abuse@cogentco.com
└ 38.165.224.0/198,192CONEXUM-CGNT-NET-1IPXON Networks (CONEX-18) · USReallocatedOct 19, 2022egonzalez@conexum.co
└ 38.165.239.0/24256AR-COR-01IPXON Networks Argentina - Cordoba (C11359419) · ARReassignedSep 19, 2025egonzalez@conexum.co
via CONEXUM-CGNT-NET-1

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
Cogent Communications, LLC
Handle
COGC
Range
38.0.0.0/8
Registration type
Direct Allocation
Record created
Apr 16, 1991
Legacy
yes
Reallocated to
IPXON Networks (CONEX-18)
Reallocated range
38.165.224.0/19
Reallocated
Oct 19, 2022
Origin network

AS263812

AR
Name
Sondatech S.A.S.
Type
Hosting
Registered
Aug 3, 2015
Domain
ipxon.com
Website
www.ipxon.com/
Spamhaus ASN-DROP
not listed
VPN servers
28
Tor exits
4