Data as of Nov 14, 2026

37.221.192.0/21

8 residential-proxy exits · 30 days

netcup GmbH

Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting

Residential-proxy exits

Proxy exits
8
0.39% of its addresses · 30 days
Oct 15, 2026 – Nov 13, 2026

Exits seen per day

36K observations

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
37.221.192.0/22
since Nov 2023
AS197540Hostingnetcup GmbH
37.221.196.0/22
since Nov 2023
AS197540Hostingnetcup GmbH

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
37.221.192.0/212,048DE-NETCUP-20120410netcup GmbH (ORG-NG51-RIPE) · DEALLOCATED PAApr 10, 2012abuse@netcup.de
└ 37.221.192.0/221,024NETCUP_NET-4netcup GmbH (ORG-NG51-RIPE) · DEASSIGNED PAApr 23, 2012abuse@netcup.de
└ 37.221.196.0/221,024NETCUP_NET-5netcup GmbH (ORG-NG51-RIPE) · DEASSIGNED PANov 30, 2012abuse@netcup.de

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Apr 2012
Current origin since
Apr 2012 · 15 yr
Origin networks
1