Longest Match / Networks

Autonomous system

AS1103: SURF B.V.

Netherlands · education

Estimated users is a published estimate of how many people use this network, extrapolated from 15,399 observations over a 60 day window. Large operators often run several networks, so a low figure can mean their customers reach the internet through a sibling network.

What this tells you

• Of those, 24,518 are in Netherlands, 0.1% of everyone online there.
• The same operator runs 71 other networks, the largest listed below.

Countries in this space

Country	IPv4 share	IPv6 share
Netherlands	99%	95%
Not covered by any of these	1%	5%

Organisations holding assignments here

Registered organisations account for 37% of this network's IPv4 space and <0.1% of its IPv6 space.

Organisation	IPv4 share	IPv6 share
SURF B.V.	23%	<0.1%
Radboud Universiteit Nijmegen	2%	<0.1%
Hogeschool van Amsterdam	2%	-
Stichting VU	0.9%	-
TNO	0.9%	-
Erasmus MC	0.9%	-
Wageningen Universiteit	0.9%	-
Erasmus Universiteit Rotterdam	0.9%	-
Not covered by any of these	63%	100%

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 <0.1% of this network's IPv4 space and <0.1% of its IPv6 space.

Category	IPv4 share	IPv6 share
Open proxy	<0.1%	<0.1%
Datacenter	<0.1%	-
VPN	-	<0.1%
Not covered by any of these	100%	100%

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

Other networks from this operator (71 in total)

ASN	Name	Estimated users
AS1147	SURF B.V.	380
AS1152	SURF B.V.	161
AS1102	SURF B.V.	-
AS1105	SURF B.V.	-
AS1106	SURF B.V.	-
AS1107	SURF B.V.	-
AS1108	SURF B.V.	-
AS1125	SURF B.V.	-

See the combined view for SURF B.V., where all 72 of their networks are totalled together.