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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 2026-02-28 Results 7 Page 1 / 1

191.253.41.0/24

Risk Max — LOW Footprint 8.594% Hits 46
Prefix / IP version
/24 · IPv4
Network
191.253.41.0
Broadcast
191.253.41.255
Observed IPs / Subnet size
22 observed · 256 total
Centroid
-28.283595652173908 , -49.07704347826087
Hits / Errors
46 hits · 5 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

191.253.40.0/24

Risk Max — LOW Footprint 8.594% Hits 36
Prefix / IP version
/24 · IPv4
Network
191.253.40.0
Broadcast
191.253.40.255
Observed IPs / Subnet size
22 observed · 256 total
Centroid
-28.263025 , -49.10316666666666
Hits / Errors
36 hits · 4 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

45.171.78.0/24

Risk Max — LOW Footprint 7.422% Hits 35
Prefix / IP version
/24 · IPv4
Network
45.171.78.0
Broadcast
45.171.78.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
-28.20154285714285 , -48.72
Hits / Errors
35 hits · 5 errors
First / Last seen
2026-02-16 02:00 · 2026-02-23 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

191.253.42.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
191.253.42.0
Broadcast
191.253.42.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-28.3198 , -49.03106666666667
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-18 02:00 · 2026-02-20 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

191.253.45.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
191.253.45.0
Broadcast
191.253.45.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.2441 , -49.1272
Hits / Errors
4 hits · 2 errors
First / Last seen
2026-02-19 02:00 · 2026-02-21 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

191.253.47.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.253.47.0
Broadcast
191.253.47.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.4712 , -48.8388
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-18 02:00 · 2026-02-21 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

191.253.46.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.253.46.0
Broadcast
191.253.46.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.4712 , -48.8388
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-16 02:00 · 2026-02-17 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →