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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: Campo Belo · Clear
Snapshot 2026-03-03 Results 5 Page 1 / 1

189.51.23.0/24

Risk Max — LOW Footprint 3.906% Hits 12
Prefix / IP version
/24 · IPv4
Network
189.51.23.0
Broadcast
189.51.23.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
-20.925700000000003 , -45.237
Hits / Errors
12 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS28198 · SEMPRE TELECOMUNICACOES LTDA
Top organization / ISP
Sempre Telecomunicacoes Ltda · Sempre Telecomunicacoes Ltda
Top geo
Brazil · Minas Gerais · Campo Belo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

189.51.25.0/24

Risk Max — LOW Footprint 2.734% Hits 11
Prefix / IP version
/24 · IPv4
Network
189.51.25.0
Broadcast
189.51.25.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
-20.925700000000003 , -45.237
Hits / Errors
11 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS28198 · SEMPRE TELECOMUNICACOES LTDA
Top organization / ISP
Sempre Telecomunicacoes Ltda · Sempre Telecomunicacoes Ltda
Top geo
Brazil · Minas Gerais · Campo Belo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

189.51.18.0/24

Risk Max — LOW Footprint 0.781% Hits 6
Prefix / IP version
/24 · IPv4
Network
189.51.18.0
Broadcast
189.51.18.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-20.925700000000003 , -45.237
Hits / Errors
6 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS28198 · SEMPRE TELECOMUNICACOES LTDA
Top organization / ISP
Sempre Telecomunicacoes Ltda · Sempre Telecomunicacoes Ltda
Top geo
Brazil · Minas Gerais · Campo Belo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

189.51.31.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
189.51.31.0
Broadcast
189.51.31.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-20.9257 , -45.237
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS28198 · SEMPRE TELECOMUNICACOES LTDA
Top organization / ISP
Sempre Telecomunicacoes Ltda · Sempre Telecomunicacoes Ltda
Top geo
Brazil · Minas Gerais · Campo Belo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

189.51.26.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
189.51.26.0
Broadcast
189.51.26.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-20.9257 , -45.237
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS28198 · SEMPRE TELECOMUNICACOES LTDA
Top organization / ISP
Sempre Telecomunicacoes Ltda · Sempre Telecomunicacoes Ltda
Top geo
Brazil · Minas Gerais · Campo Belo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →