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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: Cantagalo · Clear
Snapshot 2026-03-10 Results 8 Page 1 / 1

189.90.117.0/24

Risk Max — LOW Footprint 3.516% Hits 15
Prefix / IP version
/24 · IPv4
Network
189.90.117.0
Broadcast
189.90.117.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
-21.886799999999997 , -42.32539999999999
Hits / Errors
15 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS262808 · Brasilnet Telecomunicações Ltda ME
Top organization / ISP
Brasilnet Telecomunicações Ltda ME · Brasilnet Telecomunicações Ltda ME
Top geo
Brazil · Rio de Janeiro · Cantagalo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

191.37.11.0/24

Risk Max — LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
191.37.11.0
Broadcast
191.37.11.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-25.296 , -52.1499
Hits / Errors
5 hits · 1 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS263348 · DESEMPENHO PROVEDOR DE INTERNET
Top organization / ISP
Desempenho Provedor De Internet · Desempenho Provedor De Internet
Top geo
Brazil · Paraná · Cantagalo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

189.90.121.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
189.90.121.0
Broadcast
189.90.121.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-21.8868 , -42.3254
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS262808 · Brasilnet Telecomunicações Ltda ME
Top organization / ISP
Brasilnet Telecomunicações Ltda ME · Brasilnet Telecomunicações Ltda ME
Top geo
Brazil · Rio de Janeiro · Cantagalo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

191.37.8.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.37.8.0
Broadcast
191.37.8.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-25.296 , -52.1499
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS263348 · DESEMPENHO PROVEDOR DE INTERNET
Top organization / ISP
Desempenho Provedor De Internet · Desempenho Provedor De Internet
Top geo
Brazil · Paraná · Cantagalo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

189.90.122.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
189.90.122.0
Broadcast
189.90.122.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-21.8868 , -42.3254
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS262808 · Brasilnet Telecomunicações Ltda ME
Top organization / ISP
Brasilnet Telecomunicações Ltda ME · Brasilnet Telecomunicações Ltda ME
Top geo
Brazil · Rio de Janeiro · Cantagalo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

189.90.115.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
189.90.115.0
Broadcast
189.90.115.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-21.8868 , -42.3254
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS262808 · Brasilnet Telecomunicações Ltda ME
Top organization / ISP
Brasilnet Telecomunicações Ltda ME · Brasilnet Telecomunicações Ltda ME
Top geo
Brazil · Rio de Janeiro · Cantagalo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

170.81.174.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
170.81.174.0
Broadcast
170.81.174.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-21.9847 , -42.2619
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS264100 · RIO CABLE TELECOM LTDA
Top organization / ISP
RIO CABLE TELECOM LTDA · RIO CABLE TELECOM LTDA
Top geo
Brazil · Rio de Janeiro · Cantagalo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

177.75.39.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.75.39.0
Broadcast
177.75.39.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-21.8868 , -42.3254
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS262808 · Brasilnet Telecomunicações Ltda ME
Top organization / ISP
QoS Tecnologia e Sistemas Ltda · Brasilnet Telecomunicações Ltda ME
Top geo
Brazil · Rio de Janeiro · Cantagalo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →