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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: Ciudad Quesada · Clear
Snapshot 2026-03-15 Results — Page 1 / 1

201.203.187.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
201.203.187.0
Broadcast
201.203.187.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
9.975100000000001 , -84.1063
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-07 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Ciudad Quesada · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Provincia de San José · San José
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

201.203.79.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
201.203.79.0
Broadcast
201.203.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Ciudad Quesada · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

201.203.123.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
201.203.123.0
Broadcast
201.203.123.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Ciudad Quesada · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →