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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: ALFA TELECOMUNICACOES · Clear
Snapshot 2026-03-08 Results 3 Page 1 / 1

138.59.41.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
138.59.41.0
Broadcast
138.59.41.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-21.38 , -41.149
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS264596 · ALFA TELECOMUNICACOES
Top organization / ISP
Alfa Telecomunicacoes · Alfa Telecomunicacoes
Top geo
Brazil · Rio de Janeiro · São Francisco de Itabapoana
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

138.59.40.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
138.59.40.0
Broadcast
138.59.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-21.38 , -41.149
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-26 02:00
Top ASN
AS264596 · ALFA TELECOMUNICACOES
Top organization / ISP
Alfa Telecomunicacoes · Alfa Telecomunicacoes
Top geo
Brazil · Rio de Janeiro · São Francisco de Itabapoana
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

138.59.42.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.59.42.0
Broadcast
138.59.42.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-21.3769 , -41.1511
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS264596 · ALFA TELECOMUNICACOES
Top organization / ISP
Alfa Telecomunicacoes · Alfa Telecomunicacoes
Top geo
Brazil · Rio de Janeiro · São Francisco de Itabapoana
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →