Longest Match / Operators

Network operator

Core-Backbone GmbH

3 networks combined into one view.

Operators are grouped by registered network name. Each figure below is the total across every network on this page, which is what a single network page cannot show.

What this tells you

• Address space is concentrated in Germany (86% of the IPv4 space), across 9 countries in total.

Countries in this space

Country	IPv4 share	IPv6 share
Germany	86%	66%
Spain	8%	33%
Switzerland	2%	<0.1%
Italy	1%	-
Czechia	0.6%	-
United Kingdom	0.4%	-
Sweden	0.2%	-
Everything else (2 more)	2%	0.5%

Organisations holding assignments here

Registered organisations account for 91% of these networks' IPv4 space and 67% of their IPv6 space.

Organisation	IPv4 share	IPv6 share
Core-Backbone GmbH	82%	33%
CPC SERVICIOS INFORMATICOS APLICADOS A NUEVAS TECNOLOGIAS SL	8%	33%
Privax Ltd	2%	-
Shellrent S.r.l.	1%	-
Intronet GmbH	1%	-
Schnellno	0.8%	-
WS Audiology	0.3%	-
GZ Systems Ltd d/b/a Purevpn.com	0.2%	-
Not covered by any of these	9%	33%

One address can carry more than one of these, so the rows add up to more than the space they cover.

Anonymizer signals

Flagged space covers 95% of these networks' IPv4 space and 99% of their IPv6 space.

Category	IPv4 share	IPv6 share
Datacenter	95%	99%
VPN	10%	-
Not covered by any of these	5%	0.5%

One address can carry more than one of these, so the rows add up to more than the space they cover.

All 3 networks run by this operator

ASN	Name	Estimated users
AS201011	Core-Backbone GmbH	586
AS51191	Core-Backbone GmbH	399
AS33891	Core-Backbone GmbH	-