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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: NET FIBRA EMPRESAS LTDA · Clear
Snapshot 2026-01-23 Results 4 Page 1 / 1

138.204.79.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
138.204.79.0
Broadcast
138.204.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.8051 , -43.3686
Hits / Errors
3 hits · 1 errors
First / Last seen
2025-12-17 01:15 · 2025-12-17 01:15
Top ASN
AS263879 · NET FIBRA EMPRESAS LTDA
Top organization / ISP
NET FIBRA EMPRESAS LTDA · CR Net Telecomunicações Ltda-Me
Top geo
Brazil · Rio de Janeiro · São João de Meriti
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

138.204.78.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.204.78.0
Broadcast
138.204.78.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.8051 , -43.3686
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-22 21:24 · 2025-10-22 21:24
Top ASN
AS263879 · NET FIBRA EMPRESAS LTDA
Top organization / ISP
Star-Link São Gonçalo Informatica LTDA · NET FIBRA EMPRESAS LTDA
Top geo
Brazil · Rio de Janeiro · São João de Meriti
Window / Updated
2025-10-20 → 2025-10-27 · Updated 2026-01-14 · v2
Open report →

138.204.76.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.204.76.0
Broadcast
138.204.76.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.8051 , -43.3686
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-09 00:07 · 2025-09-09 00:07
Top ASN
AS263879 · NET FIBRA EMPRESAS LTDA
Top organization / ISP
NET FIBRA EMPRESAS LTDA · CR Net Telecomunicações Ltda-Me
Top geo
Brazil · Rio de Janeiro · São João de Meriti
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →

138.204.77.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.204.77.0
Broadcast
138.204.77.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.8051 , -43.3686
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-07 00:39 · 2025-09-07 00:39
Top ASN
AS263879 · NET FIBRA EMPRESAS LTDA
Top organization / ISP
NET FIBRA EMPRESAS LTDA · CR Net Telecomunicações Ltda-Me
Top geo
Brazil · Rio de Janeiro · São João de Meriti
Window / Updated
2025-09-01 → 2025-09-08 · Updated 2026-01-14 · v2
Open report →