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Data as of Nov 14, 2026

212.124.72.0/22

No anonymizer space · no proxy exits in 30 days

Stackster LLC · space held by Systemec BV

Announcement
this exact prefix
RPKI valid
Announced by
AS48806
Type
Unknown
Risk
40 / 100 · Medium
Leased space · Recently moved
Recent change
New origin Sep 24, 2026
from AS39855 Mod Mission Critical LLC
IPv4 market

Path

Announced by AS48806 since Sep 24, 2026 · 7 wk ago
1 · Holder
Systemec BV
record created Jul 23, 2014
2 · Leased from
PrefixBroker
3 · Announced by
AS48806 Stackster LLC
since Sep 24, 2026 · 7 wk ago
4 · Use
Unknown

Lineage

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

212.124.72.0/22

From the registry to its use

  1. May 9, 2005– Jun 1, 2006
    Announced
    AS9154
  2. Jul 23, 2014
    Registry record
    Systemec BV
    ALLOCATED PA
    212.124.64.0/19
  3. May 22, 2016– today
    Announced
    AS41480 Systemec BV
    as part of 212.124.64.0/20
    212.124.64.0/20
  4. Feb 6, 2017
    Assigned
    MODMC - London - GB
    ASSIGNED PA
    212.124.72.0/22
  5. Feb 23, 2017– Nov 3, 2019
    Announced
    AS54103 MOD Mission Critical, LLC
    Hosting
  6. Feb 25, 2017
    Route object
    AS54103 MOD Mission Critical, LLC
    RIPE route object for AS54103 MOD Mission Critical, LLC, maintainer MODMC-MNT
  7. Jun 21, 2019
    Route object
    AS39855 Mod Mission Critical LLC
    RADB route object for AS39855 Mod Mission Critical LLC, maintainer MAINT-AS54103
    212.124.72.0/24
  8. Jun 21, 2019
    Route object
    AS39855 Mod Mission Critical LLC
    RADB route object for AS39855 Mod Mission Critical LLC, maintainer MAINT-AS54103
    212.124.73.0/24
  9. Jun 21, 2019
    Route object
    AS39855 Mod Mission Critical LLC
    RADB route object for AS39855 Mod Mission Critical LLC, maintainer MAINT-AS54103
    212.124.74.0/24
  10. Jun 21, 2019
    Route object
    AS39855 Mod Mission Critical LLC
    RADB route object for AS39855 Mod Mission Critical LLC, maintainer MAINT-AS54103
    212.124.75.0/24
  11. Oct 23, 2019– Sep 21, 2026
    Announced
    AS39855 Mod Mission Critical LLC
    Hosting
  12. Sep 24, 2026– today
    Announced
    AS48806 Stackster LLC
    Hosting
  13. today
    Leased from
    PrefixBroker
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
212.124.64.0/20
since May 2016
AS41480UnknownSystemec BV
212.124.64.0/19
since May 2016
AS41480UnknownSystemec BV

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
212.124.64.0/198,192NL-SYSTEMEC-990118Systemec BV (ORG-SB270-RIPE) · NLALLOCATED PAJul 23, 2014abuse@systemec.nl
└ 212.124.72.0/221,024SYSTEMEC-MODMC-LON-GBMODMC - London - GBASSIGNED PAFeb 6, 2017abuse@systemec.nl
via NL-SYSTEMEC-990118

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

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Rotating
First seen
May 2005
Current origin since
Sep 24, 2026 · 2 mo
Origin networks
4
Last change of origin
Sep 24, 2026
Recorded history

History

Handoffs
3