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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: DSP RS TELECOMUNICAÇÕES LTDA. · Clear
Snapshot 2026-01-25 Results 3 Page 1 / 1

138.121.10.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.121.10.0
Broadcast
138.121.10.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-29.8246 , -51.1495
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-25 06:35 · 2025-11-25 06:35
Top ASN
AS264274 · DSP RS TELECOMUNICAÇÕES LTDA.
Top organization / ISP
DSP RS TELECOMUNICAÇÕES LTDA · DSP RS TELECOMUNICAÇÕES LTDA.
Top geo
Brazil · Rio Grande do Sul · Sapucaia do Sul
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →

138.121.11.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.121.11.0
Broadcast
138.121.11.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-29.8246 , -51.1495
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-10 04:43 · 2025-10-10 04:43
Top ASN
AS264274 · DSP RS TELECOMUNICAÇÕES LTDA.
Top organization / ISP
DSP RS TELECOMUNICAÇÕES LTDA · DSP RS TELECOMUNICAÇÕES LTDA.
Top geo
Brazil · Rio Grande do Sul · Sapucaia do Sul
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

138.121.9.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.121.9.0
Broadcast
138.121.9.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-29.8246 , -51.1495
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-17 20:31 · 2025-09-17 20:31
Top ASN
AS264274 · DSP RS TELECOMUNICAÇÕES LTDA.
Top organization / ISP
DSP RS TELECOMUNICAÇÕES LTDA · DSP RS TELECOMUNICAÇÕES LTDA.
Top geo
Brazil · Rio Grande do Sul · Sapucaia do Sul
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →