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Data as of Nov 14, 2026

154.36.74.0/24

No anonymizer space · no proxy exits in 30 days

M247 Europe SRL · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS9009
Type
Hosting
Risk
50 / 100 · Medium
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Feb 5, 1992 · reallocated to Aventice LLC Dec 9, 2021
2 · Leased from
Aventice
3 · Announced by
AS9009 M247 Europe SRL
since Apr 2023 · 3.5 yr ago
4 · Use
Hosting

Lineage

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

154.36.74.0/24

From the registry to its use

  1. Feb 5, 1992
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    154.36.0.0/16
  2. Sep 15, 2006– today
    Announced
    AS174 Cogent Communications, LLC
    as part of 154.36.0.0/14
    154.36.0.0/14
  3. Dec 9, 2021
    Reallocated
    Aventice LLC
    Reallocated
    154.36.64.0/18
  4. Apr 29, 2023– today
    Announced
    AS9009 M247 Europe SRL
    Hosting
  5. today
    Leased from
    Aventice
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsRPKI
154.36.0.0/14
since Sep 2006
AS174Internet providerIP broker Aventice (part)1,911
654 always on

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
154.36.0.0/1665,536COGENT-154-36-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992abuse@cogentco.com
└ 154.36.64.0/1816,384AVENTICE-CGNT-NET-13Aventice LLC (AL-584) · USReallocatedDec 9, 2021abuse@aventice.com

Network & registry

AnnouncementRouting historyWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Apr 2023
Current origin since
Apr 2023 · 3.5 yr
Origin networks
1