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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: FCN · Clear
Snapshot 2026-01-21 Results 4 Page 1 / 1

77.172.252.0/24

Risk Max — LOW Footprint 0.391% Hits 51
Prefix / IP version
/24 · IPv4
Network
77.172.252.0
Broadcast
77.172.252.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.1424 , 5.3674
Hits / Errors
51 hits · 10 errors
First / Last seen
2025-06-25 10:40 · 2025-06-25 10:45
Top ASN
AS1136 · KPN B.V.
Top organization / ISP
— · FCN
Top geo
The Netherlands · Utrecht · Amersfoort
Window / Updated
2025-06-23 → 2025-06-30 · Updated 2026-01-14 · v2
Open report →

77.173.58.0/24

Risk Max — LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
77.173.58.0
Broadcast
77.173.58.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.9156 , 4.5146
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-05-09 03:26 · 2025-05-09 03:27
Top ASN
AS1136 · KPN B.V.
Top organization / ISP
— · FCN
Top geo
The Netherlands · South Holland · Rotterdam
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

77.173.227.0/24

Risk Max — LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
77.173.227.0
Broadcast
77.173.227.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.376 , 4.8702
Hits / Errors
12 hits · 0 errors
First / Last seen
2024-11-03 15:19 · 2024-11-03 15:22
Top ASN
AS1136 · KPN B.V.
Top organization / ISP
— · FCN
Top geo
The Netherlands · North Holland · Amsterdam
Window / Updated
2024-10-28 → 2024-11-04 · Updated 2026-01-14 · v2
Open report →

103.168.224.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
103.168.224.0
Broadcast
103.168.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
22.3396 , 91.8292
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-25 08:38 · 2025-11-25 08:38
Top ASN
AS142547 · Fatickchari Communication Network
Top organization / ISP
FCN Riyad · Fatickchari Communication Network
Top geo
Bangladesh · Chittagong · Chittagong
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →