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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: Pilar do Sul · Clear
Snapshot 2026-03-13 Results — Page 1 / 1

177.21.78.0/24

Risk Max — LOW Footprint 3.516% Hits 11
Prefix / IP version
/24 · IPv4
Network
177.21.78.0
Broadcast
177.21.78.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
-23.852 , -47.718599999999995
Hits / Errors
11 hits · 1 errors
First / Last seen
2026-03-01 02:00 · 2026-03-09 02:00
Top ASN
AS53245 · ActiON Infinite Communications, Brazil.
Top organization / ISP
ActiON Infinite Communications, Brazil · ActiON Infinite Communications, Brazil.
Top geo
Brazil · São Paulo · Pilar do Sul
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

177.21.68.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
177.21.68.0
Broadcast
177.21.68.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-23.852 , -47.7186
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-09 02:00
Top ASN
AS53245 · ActiON Infinite Communications, Brazil.
Top organization / ISP
ActiON Infinite Communications, Brazil · ActiON Infinite Communications, Brazil.
Top geo
Brazil · São Paulo · Pilar do Sul
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

201.222.25.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
201.222.25.0
Broadcast
201.222.25.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-23.852 , -47.7186
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
AS61823 · SPINT PROVEDOR DE INTERNET LTDA
Top organization / ISP
Spint Provedor De Internet Ltda · Spint Provedor De Internet Ltda
Top geo
Brazil · São Paulo · Pilar do Sul
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

177.21.66.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.21.66.0
Broadcast
177.21.66.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-23.852 , -47.7186
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-04 02:00
Top ASN
AS53245 · ActiON Infinite Communications, Brazil.
Top organization / ISP
ActiON Infinite Communications, Brazil · ActiON Infinite Communications, Brazil.
Top geo
Brazil · São Paulo · Pilar do Sul
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →