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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: Vipmax Internet Ltda · Clear
Snapshot 2026-03-03 Results 4 Page 1 / 1

191.243.37.0/24

Risk Max — LOW Footprint 5.859% Hits 19
Prefix / IP version
/24 · IPv4
Network
191.243.37.0
Broadcast
191.243.37.255
Observed IPs / Subnet size
15 observed · 256 total
Centroid
-26.130242105263154 , -49.7355894736842
Hits / Errors
19 hits · 4 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 02:00
Top ASN
AS263492 · VIPMAX INTERNET LTDA
Top organization / ISP
Vipmax Internet Ltda · Vipmax Internet Ltda
Top geo
Brazil · Paraná · Rio Negro
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

191.243.36.0/24

Risk Max — LOW Footprint 5.469% Hits 28
Prefix / IP version
/24 · IPv4
Network
191.243.36.0
Broadcast
191.243.36.255
Observed IPs / Subnet size
14 observed · 256 total
Centroid
-26.089999999999996 , -49.715799999999994
Hits / Errors
28 hits · 3 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 02:00
Top ASN
AS263492 · VIPMAX INTERNET LTDA
Top organization / ISP
Vipmax Internet Ltda · Vipmax Internet Ltda
Top geo
Brazil · Paraná · Rio Negro
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

191.243.38.0/24

Risk Max — LOW Footprint 1.172% Hits 9
Prefix / IP version
/24 · IPv4
Network
191.243.38.0
Broadcast
191.243.38.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-26.172266666666662 , -50.065222222222225
Hits / Errors
9 hits · 1 errors
First / Last seen
2026-02-16 02:00 · 2026-02-22 02:00
Top ASN
AS263492 · VIPMAX INTERNET LTDA
Top organization / ISP
Vipmax Internet Ltda · Vipmax Internet Ltda
Top geo
Brazil · Paraná · Rio Negro
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

191.243.39.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.243.39.0
Broadcast
191.243.39.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.09 , -49.7158
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-18 02:00 · 2026-02-19 02:00
Top ASN
AS263492 · VIPMAX INTERNET LTDA
Top organization / ISP
Vipmax Internet Ltda · Vipmax Internet Ltda
Top geo
Brazil · Paraná · Rio Negro
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →