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Interesting Subnets

Directory of active subnets observed by Syndu. Each row is the latest cached SubnetSnapshot per subnet and includes: density, traffic, geo/ASN representatives, and risk distribution.
Active filter: Arnhem · Clear
Snapshot 2026-01-20 Results 6 Page 1 / 1

178.231.16.0/24

Risk Max — LOW Footprint 0.391% Hits 36
Prefix / IP version
/24 · IPv4
Network
178.231.16.0
Broadcast
178.231.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.9901 , 5.9009
Hits / Errors
36 hits · 0 errors
First / Last seen
2025-02-21 19:59 · 2025-02-21 20:01
Top ASN
AS31615 · Odido Netherlands B.V.
Top organization / ISP
Odido Netherlands · Odido Netherlands B.V.
Top geo
The Netherlands · Gelderland · Arnhem
Window / Updated
2025-02-17 → 2025-02-24 · Updated 2026-01-14 · v2
Open report →

77.174.27.0/24

Risk Max — LOW Footprint 0.391% Hits 30
Prefix / IP version
/24 · IPv4
Network
77.174.27.0
Broadcast
77.174.27.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.9777 , 5.9037
Hits / Errors
30 hits · 0 errors
First / Last seen
2025-04-05 08:49 · 2025-04-05 08:49
Top ASN
AS1136 · KPN B.V.
Top organization / ISP
Concepts ICT Holding B.V. · Concepts ICT B.V.
Top geo
The Netherlands · Gelderland · Arnhem
Window / Updated
2025-03-31 → 2025-04-07 · Updated 2026-01-14 · v2
Open report →

143.177.221.0/24

Risk Max — LOW Footprint 0.391% Hits 30
Prefix / IP version
/24 · IPv4
Network
143.177.221.0
Broadcast
143.177.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.989 , 5.9167
Hits / Errors
30 hits · 2 errors
First / Last seen
2024-11-27 18:39 · 2024-11-27 18:40
Top ASN
AS50266 · Odido Netherlands B.V.
Top organization / ISP
— · TMONL
Top geo
The Netherlands · Gelderland · Arnhem
Window / Updated
2024-11-25 → 2024-12-02 · Updated 2026-01-14 · v2
Open report →

195.240.102.0/24

Risk Max — LOW Footprint 0.391% Hits 24
Prefix / IP version
/24 · IPv4
Network
195.240.102.0
Broadcast
195.240.102.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.989 , 5.9167
Hits / Errors
24 hits · 2 errors
First / Last seen
2024-12-03 00:24 · 2024-12-03 00:26
Top ASN
AS1136 · KPN B.V.
Top organization / ISP
— · KPN B.V
Top geo
The Netherlands · Gelderland · Arnhem
Window / Updated
2024-12-02 → 2024-12-09 · Updated 2026-01-14 · v2
Open report →

94.157.44.0/24

Risk Max — LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
94.157.44.0
Broadcast
94.157.44.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.9439 , 5.8939
Hits / Errors
17 hits · 0 errors
First / Last seen
2025-01-19 16:26 · 2025-01-19 17:10
Top ASN
AS50266 · Odido Netherlands B.V.
Top organization / ISP
Odido Netherlands B.V · Odido Netherlands B.V.
Top geo
The Netherlands · Gelderland · Arnhem
Window / Updated
2025-01-13 → 2025-01-20 · Updated 2026-01-14 · v2
Open report →

217.103.105.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
217.103.105.0
Broadcast
217.103.105.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.9777 , 5.9037
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-11-23 22:09 · 2024-11-23 22:09
Top ASN
AS33915 · Vodafone Libertel B.V.
Top organization / ISP
Ziggo Services B.V. · Vodafone Ziggo
Top geo
The Netherlands · Gelderland · Arnhem
Window / Updated
2024-11-18 → 2024-11-25 · Updated 2026-01-14 · v2
Open report →