Cyso Group B.V. operates AS25151: 16 IPv4 prefixes covering 14,848 addresses, most of them in 
Netherlands.
By IPv4 addresses the network ranks #7,335 worldwide and #136 of 1,310 networks in Netherlands. That is 0.03% of the country’s IPv4 space.
The largest block is 81.24.0.0 to 81.24.11.255 with 3,072 addresses, geolocated to Alkmaar.
- IPv4 addresses
- 14,848
- IPv4 prefixes
- 16
- World rank
- #7,335
- Country share
- 0.03%
- IPv6 ranges
- 3
Addresses by country
- Netherlands 100%
Largest blocks
- 81.24.0.0 Alkmaar3,072
- 109.235.72.0 Amsterdam2,048
- 93.94.224.0 Amsterdam2,048
- 85.158.200.0 Alkmaar2,048
- 37.46.136.0 Amsterdam2,048
- 185.54.112.0 Amsterdam1,024
- 80.85.160.0 Heerhugowaard512
- 193.33.220.0 Waarland256
Networks of similar size
15,104
15,104
15,104
14,848
14,848
14,848IPv4 prefixes
Questions and answers
Who owns AS25151?
Autonomous system AS25151 is operated by Cyso Group B.V..
How many IP addresses does AS25151 have?
The network holds 14,848 IPv4 addresses in 16 prefixes, plus 3 IPv6 ranges.
Which country is AS25151 in?
The main country is Netherlands.
How big is AS25151?
By IPv4 addresses it ranks #7,335 worldwide.
What is the largest address block of AS25151?
81.24.0.0 to 81.24.11.255, 3,072 addresses.