Data as of Nov 15, 2026

173.239.209.0/24

No anonymizer space · no proxy exits in 30 days

The Constant Company, LLC · space held by LogicWeb Inc.

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

Path

1 · Holder
record created May 6, 2010
2 · Leased from
3 · Announced by
AS20473 The Constant Company, LLC
since Oct 2022 · 4.1 yr ago
4 · Use
Hosting

Lineage

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

173.239.209.0/24

From the registry to its use

  1. May 6, 2010
    Registry record
    LogicWeb Inc.
    Direct Allocation
    173.239.192.0/18
  2. Dec 22, 2013– Aug 8, 2015
    Announced
    AS12025 Iron Mountain Data Center
    Hosting
  3. Mar 22, 2016– Apr 16, 2016
    Announced
    AS63242 Metronet
    Internet provider
  4. Jun 6, 2018– Sep 9, 2018
    Announced
    AS20473 The Constant Company, LLC
    Hosting
  5. May 26, 2020– Sep 22, 2020
    Announced
    AS21859 Zenlayer Inc
    Hosting
  6. Sep 23, 2020– Feb 13, 2021
    Announced
    AS12025 Iron Mountain Data Center
    Hosting
  7. Dec 4, 2020
    Assigned
    Kazuhiro Yokoyama
    Reassigned
    173.239.209.0/24
  8. Feb 2, 2021– Jul 7, 2021
    Announced
    AS64286 LogicWeb Inc.
    Hosting
  9. Jun 26, 2021– Jan 3, 2022
    Announced
    AS1239 Cogent Communications, LLC
  10. Jan 28, 2022– Sep 24, 2022
    Announced
    AS64286 LogicWeb Inc.
    Hosting
  11. Oct 19, 2022– today
    Announced
    AS20473 The Constant Company, LLC
    Hosting
  12. Oct 6, 2025
    Route object
    AS20473 The Constant Company, LLC
    RADB route object for AS20473 The Constant Company, LLC, maintainer MAINT-AS20473
  13. today
    Leased from
    LogicWeb
    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
173.239.192.0/1816,384LOGICWEBLogicWeb Inc. (LOGIC-25) · USDirect AllocationMay 6, 2010abuse@logicweb.com
└ 173.239.209.0/24256DEDICATED-SERVERSKazuhiro Yokoyama (C07701412) · USReassignedDec 4, 2020abuse@logicweb.com
via LOGICWEB

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

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
Dec 2013
Current origin since
Oct 2022 · 4.1 yr
Origin networks
6
Last change of origin
Oct 2022
Recorded history

History

Handoffs
8