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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: Cybertech Informática LTDA · Clear
Snapshot 2026-01-25 Results 4 Page 1 / 1

191.37.131.0/24

Risk Max — LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
191.37.131.0
Broadcast
191.37.131.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-26.1704 , -52.6589
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-09-08 19:30 · 2025-09-12 21:53
Top ASN
AS263359 · Cybertech Informática LTDA
Top organization / ISP
Cybertech Informática LTDA · CyberTech Informática Ltda.
Top geo
Brazil · Paraná · Pato Branco
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →

191.37.130.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.37.130.0
Broadcast
191.37.130.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.1704 , -52.6589
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-07 23:02 · 2025-10-07 23:02
Top ASN
AS263359 · Cybertech Informática LTDA
Top organization / ISP
Cybertech Informática LTDA · CyberTech Informática Ltda.
Top geo
Brazil · Paraná · Pato Branco
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

191.37.129.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.37.129.0
Broadcast
191.37.129.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.1704 , -52.6589
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-24 18:03 · 2025-11-24 18:03
Top ASN
AS263359 · Cybertech Informática LTDA
Top organization / ISP
Cybertech Informática LTDA · CyberTech Informática Ltda.
Top geo
Brazil · Paraná · Pato Branco
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →

191.37.134.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.37.134.0
Broadcast
191.37.134.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.1704 , -52.6589
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-26 18:55 · 2025-08-26 18:55
Top ASN
AS263359 · Cybertech Informática LTDA
Top organization / ISP
Cybertech Informática LTDA · CyberTech Informática Ltda.
Top geo
Brazil · Paraná · Pato Branco
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2
Open report →