Data as of Nov 11, 2026

154.41.72.0/24

No anonymizer space · no proxy exits in 30 days

Systemes Information Harmonie Mutuelles Sihm · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsRPKI
154.40.0.0/13
since Sep 2006
AS174Internet provider18,375
1,328 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
154.41.0.0/1665,536COGENT-154-41-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992abuse@cogentco.com
└ 154.41.72.0/24256NET-154-41-72-0-1GIE Sihm (C09292431) · FRReassignedMar 10, 2023abuse@cogentco.com
via COGENT-154-41-16

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

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Mar 2022
Current origin since
Mar 2022 · 4.7 yr
Origin networks
1