Data as of Nov 11, 2026

37.221.75.0/24

No anonymizer space · no proxy exits in 30 days

Unzer Group GmbH

Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Aug 2026
from AS16509 Amazon.com, Inc.

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
37.221.72.0/221,024DE-UNZER-20181112Unzer Group GmbH (ORG-HSG12-RIPE) · DEALLOCATED PANov 12, 2018abuse@unzer.com
└ 37.221.75.0/24256unzer-aws-eu-c1-pool4Unzer Group GmbH (ORG-HSG12-RIPE) · DEASSIGNED PANov 6, 2023abuse@unzer.com

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
Oct 2020
Current origin since
Aug 2026 · 3 mo
Origin networks
2
Last change of origin
Aug 2026
Recorded history

History

Handoffs
1