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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: Serra Geral Solucoes Para Internet Ltda · Clear
Snapshot 2026-03-06 Results 5 Page 1 / 1

45.171.78.0/24

Risk Max — LOW Footprint 5.078% Hits 22
Prefix / IP version
/24 · IPv4
Network
45.171.78.0
Broadcast
45.171.78.255
Observed IPs / Subnet size
13 observed · 256 total
Centroid
-28.2567 , -48.744299999999996
Hits / Errors
22 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS263527 · SERRA GERAL SOLUCOES PARA INTERNET LTDA
Top organization / ISP
Serra Geral Solucoes Para Internet Ltda · Serra Geral Solucoes Para Internet Ltda
Top geo
Brazil · Santa Catarina · Garopaba
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

191.253.41.0/24

Risk Max — LOW Footprint 5.078% Hits 21
Prefix / IP version
/24 · IPv4
Network
191.253.41.0
Broadcast
191.253.41.255
Observed IPs / Subnet size
13 observed · 256 total
Centroid
-28.276542857142857 , -49.086
Hits / Errors
21 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS263527 · SERRA GERAL SOLUCOES PARA INTERNET LTDA
Top organization / ISP
Serra Geral Solucoes Para Internet Ltda · Serra Geral Solucoes Para Internet Ltda
Top geo
Brazil · Santa Catarina · Braço do Norte
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

191.253.40.0/24

Risk Max — LOW Footprint 3.516% Hits 17
Prefix / IP version
/24 · IPv4
Network
191.253.40.0
Broadcast
191.253.40.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
-28.270817647058823 , -49.09327058823529
Hits / Errors
17 hits · 2 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS263527 · SERRA GERAL SOLUCOES PARA INTERNET LTDA
Top organization / ISP
Serra Geral Solucoes Para Internet Ltda · Serra Geral Solucoes Para Internet Ltda
Top geo
Brazil · Santa Catarina · Braço do Norte
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

191.253.45.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.253.45.0
Broadcast
191.253.45.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.4712 , -48.8388
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS263527 · SERRA GERAL SOLUCOES PARA INTERNET LTDA
Top organization / ISP
Serra Geral Solucoes Para Internet Ltda · Serra Geral Solucoes Para Internet Ltda
Top geo
Brazil · Santa Catarina · Laguna
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

191.253.43.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.253.43.0
Broadcast
191.253.43.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.4712 , -48.8388
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS263527 · SERRA GERAL SOLUCOES PARA INTERNET LTDA
Top organization / ISP
Serra Geral Solucoes Para Internet Ltda · Serra Geral Solucoes Para Internet Ltda
Top geo
Brazil · Santa Catarina · Laguna
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →