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

201.203.117.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.203.117.0
Broadcast
201.203.117.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 08:03 · 2025-12-17 08:03
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
ZARCERO · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

190.113.249.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.113.249.0
Broadcast
190.113.249.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.1863 , -84.382
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-26 04:13 · 2025-11-26 04:13
Top ASN
AS262241 · COOPERATIVA DE ELECTRIFICACION RURAL DE ALFARO RUIZ R.L.
Top organization / ISP
Cooperativa De Electrificacion Rural De Alfaro Ruiz R.L · Cooperativa De Electrificacion Rural De Alfaro Ruiz R.L.
Top geo
Costa Rica · Alajuela Province · Zarcero
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →

190.113.251.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.113.251.0
Broadcast
190.113.251.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.1863 , -84.382
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-25 04:21 · 2025-11-25 04:21
Top ASN
AS262241 · COOPERATIVA DE ELECTRIFICACION RURAL DE ALFARO RUIZ R.L.
Top organization / ISP
Cooperativa De Electrificacion Rural De Alfaro Ruiz R.L · Cooperativa De Electrificacion Rural De Alfaro Ruiz R.L.
Top geo
Costa Rica · Alajuela Province · Zarcero
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →

138.185.249.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.185.249.0
Broadcast
138.185.249.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.1863 , -84.382
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 10:14 · 2025-11-06 10:14
Top ASN
AS262241 · COOPERATIVA DE ELECTRIFICACION RURAL DE ALFARO RUIZ R.L.
Top organization / ISP
Cooperativa De Electrificacion Rural De Alfaro Ruiz R.L · Cooperativa De Electrificacion Rural De Alfaro Ruiz R.L.
Top geo
Costa Rica · Alajuela Province · Zarcero
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →