Data as of Nov 13, 2026

37.153.138.0/23

No anonymizer space · no proxy exits in 30 days

Cleura AB

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

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
37.153.138.0/23512SE-CITYNETWORK-20120313Cleura AB (ORG-CNHA1-RIPE) · SEALLOCATED PAApr 1, 2015abuse@cleura.com
└ 37.153.138.0/24256CNH-CC-STO2-05City Network Hosting ABASSIGNED PAApr 13, 2015abuse@cleura.com
via SE-CITYNETWORK-20120313
└ 37.153.139.0/24256CNH-CC-STO2-06City Network Hosting ABASSIGNED PAApr 13, 2015abuse@cleura.com
via SE-CITYNETWORK-20120313

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
Stable
First seen
Sep 2012
Current origin since
Apr 2015 · 12 yr
Origin networks
3
Last change of origin
Apr 2015
Recorded history

History

Handoffs
2