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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: GIALES FISCHER GRUTZMANN & CIA LTDA · Clear
Snapshot 2026-03-08 Results 3 Page 1 / 1

177.91.146.0/24

Risk Max — LOW Footprint 1.562% Hits 6
Prefix / IP version
/24 · IPv4
Network
177.91.146.0
Broadcast
177.91.146.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-31.2103 , -52.0922
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top ASN
AS263442 · NOVANET TELECOMUNICACOES LTDA
Top organization / ISP
Novanet Telecomunicacoes Ltda · GIALES FISCHER GRUTZMANN & CIA LTDA
Top geo
Brazil · Rio Grande do Sul · São Lourenço do Sul
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

177.91.152.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
177.91.152.0
Broadcast
177.91.152.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-31.2106 , -52.6637
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS263442 · NOVANET TELECOMUNICACOES LTDA
Top organization / ISP
Novanet Telecomunicacoes Ltda · GIALES FISCHER GRUTZMANN & CIA LTDA
Top geo
Brazil · Rio Grande do Sul · Canguçu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

177.91.153.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.91.153.0
Broadcast
177.91.153.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-31.4378 , -53.4225
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-26 02:00
Top ASN
AS263442 · NOVANET TELECOMUNICACOES LTDA
Top organization / ISP
Novanet Telecomunicacoes Ltda · GIALES FISCHER GRUTZMANN & CIA LTDA
Top geo
Brazil · Rio Grande do Sul · Pinheiro Machado
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →