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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: Estância Velha · Clear
Snapshot 2026-03-04 Results 3 Page 1 / 1

181.192.81.0/24

Risk Max — LOW Footprint 3.125% Hits 16
Prefix / IP version
/24 · IPv4
Network
181.192.81.0
Broadcast
181.192.81.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
-29.6472375 , -51.171025
Hits / Errors
16 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS263520 · VOA TELECOMUNICACOES LTDA
Top organization / ISP
VOA TELECOMUNICACOES LTDA · VOA TELECOMUNICACOES EIRELI - EPP
Top geo
Brazil · Rio Grande do Sul · Estância Velha
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

177.129.223.0/24

Risk Max — LOW Footprint 1.953% Hits 9
Prefix / IP version
/24 · IPv4
Network
177.129.223.0
Broadcast
177.129.223.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
-29.670266666666667 , -51.16698888888889
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS271644 · INFOVALE INFORMATICA LTDA
Top organization / ISP
Infovale Informatica Ltda · Infovale Informatica Ltda
Top geo
Brazil · Rio Grande do Sul · Estância Velha
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

201.37.67.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
201.37.67.0
Broadcast
201.37.67.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-29.97 , -50.2197
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS28573 · Claro NXT Telecomunicacoes Ltda
Top organization / ISP
Claro NXT Telecomunicacoes Ltda · Claro NXT Telecomunicacoes Ltda
Top geo
Brazil · Rio Grande do Sul · Estância Velha
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →