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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: Ipaussu · Clear
Snapshot 2026-03-21 Results — Page 1 / 1

191.37.48.0/24

Risk Max — LOW Footprint 3.906% Hits 11
Prefix / IP version
/24 · IPv4
Network
191.37.48.0
Broadcast
191.37.48.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
-23.134600000000002 , -49.5093
Hits / Errors
11 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS263347 · CEDNET PROVEDOR INTERNET
Top organization / ISP
Cednet Provedor Internet · Cednet Provedor Internet
Top geo
Brazil · São Paulo · Ipaussu
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

138.255.216.0/24

Risk Max — LOW Footprint 1.562% Hits 6
Prefix / IP version
/24 · IPv4
Network
138.255.216.0
Broadcast
138.255.216.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-23.0851 , -49.605799999999995
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top ASN
AS28220 · Alares Cabo Servicos de Telecomunicacoes S.A.
Top organization / ISP
Alares Cabo Servicos de Telecomunicacoes S.A · Cabo Servicos De Telecomunicacoes Ltda
Top geo
Brazil · São Paulo · Ipaussu
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

191.37.36.0/24

Risk Max — LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
191.37.36.0
Broadcast
191.37.36.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-23.05985 , -49.6645
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS263347 · CEDNET PROVEDOR INTERNET
Top organization / ISP
Cednet Provedor Internet · Cednet Provedor Internet
Top geo
Brazil · São Paulo · Ipaussu
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

138.255.218.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
138.255.218.0
Broadcast
138.255.218.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-23.0851 , -49.6058
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS28220 · Alares Cabo Servicos de Telecomunicacoes S.A.
Top organization / ISP
Alares Cabo Servicos de Telecomunicacoes S.A · Cabo Servicos De Telecomunicacoes Ltda
Top geo
Brazil · São Paulo · Ipaussu
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

138.255.219.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.255.219.0
Broadcast
138.255.219.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0851 , -49.6058
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS28220 · Alares Cabo Servicos de Telecomunicacoes S.A.
Top organization / ISP
Alares Cabo Servicos de Telecomunicacoes S.A · Cabo Servicos De Telecomunicacoes Ltda
Top geo
Brazil · São Paulo · Ipaussu
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →