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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: Cgnat O2 CZ · Clear
Snapshot 2026-01-22 Results 3 Page 1 / 1

37.188.136.0/24

Risk Max — LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
37.188.136.0
Broadcast
37.188.136.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.0687 , 14.3947
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-07-16 15:34 · 2025-07-16 15:35
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
Cgnat O2 CZ · O2 Czech Republic, a.s.
Top geo
Czechia · Prague · Prague
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2
Open report →

37.188.155.0/24

Risk Max — LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
37.188.155.0
Broadcast
37.188.155.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.06870000000001 , 14.3947
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-12-11 21:28 · 2024-12-11 21:30
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
Cgnat O2 CZ · O2 Czech Republic, a.s.
Top geo
Czechia · Prague · Prague
Window / Updated
2024-12-09 → 2024-12-16 · Updated 2026-01-14 · v2
Open report →

160.218.97.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
160.218.97.0
Broadcast
160.218.97.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.0883 , 14.4124
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 01:02 · 2025-11-06 01:02
Top ASN
AS5610 · O2 Czech Republic, a.s.
Top organization / ISP
Cgnat O2 CZ · O2 Czech Republic
Top geo
Czechia · Prague · Prague
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →