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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: Cartago Province · Clear
Snapshot 2026-01-26 Results 5 Page 1 / 1

45.130.162.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
45.130.162.0
Broadcast
45.130.162.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
9.8641 , -83.9141
Hits / Errors
3 hits · 1 errors
First / Last seen
2025-12-17 09:15 · 2025-12-17 23:43
Top ASN
AS274032 · SERVICIOS FEMAROCA TV SOCIEDAD ANONIMA
Top organization / ISP
Servicios Femaroca TV S.A · Servicios Femaroca TV Sociedad Anonima
Top geo
Costa Rica · Cartago Province · Cartago
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

152.231.186.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
152.231.186.0
Broadcast
152.231.186.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.8703 , -83.9018
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 07:25 · 2025-12-14 07:25
Top ASN
AS52228 · Cable Tica
Top organization / ISP
Cable Tica · Cable Tica
Top geo
Costa Rica · Cartago Province · San Rafael
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

138.94.57.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.94.57.0
Broadcast
138.94.57.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.8641 , -83.9141
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 05:14 · 2025-12-14 05:14
Top ASN
AS263749 · Junta Administrativa del Servicio Eléctrico Municipal de Cartago(JASEC)
Top organization / ISP
— · Junta Administrativa del Servicio Eléctrico Municipal de Cartago
Top geo
Costa Rica · Cartago Province · Cartago
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

204.199.208.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
204.199.208.0
Broadcast
204.199.208.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.8647 , -83.9645
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-17 11:52 · 2025-09-17 11:52
Top ASN
AS3549 · Level 3 Parent, LLC
Top organization / ISP
CTL LATAM, CTL Costa Rica · Level 3 Communications, Inc.
Top geo
Costa Rica · Cartago Province · Cartago
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →

181.194.172.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.194.172.0
Broadcast
181.194.172.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.8641 , -83.9141
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-07 19:12 · 2025-09-07 19:12
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Cartago DHCP · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Cartago Province · Cartago
Window / Updated
2025-09-01 → 2025-09-08 · Updated 2026-01-14 · v2
Open report →