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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: Rede Speednet Telecom Ltda · Clear
Snapshot 2026-03-03 Results 3 Page 1 / 1

191.37.156.0/24

Risk Max — LOW Footprint 2.344% Hits 14
Prefix / IP version
/24 · IPv4
Network
191.37.156.0
Broadcast
191.37.156.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
-2.6495 , -44.3044
Hits / Errors
14 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS263362 · REDE SPEEDNET TELECOM LTDA
Top organization / ISP
Rede Speednet Telecom Ltda · Rede Speednet Telecom Ltda
Top geo
Brazil · Maranhão · São Luís
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

191.37.155.0/24

Risk Max — LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
191.37.155.0
Broadcast
191.37.155.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-2.6495 , -44.30440000000001
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top ASN
AS263362 · REDE SPEEDNET TELECOM LTDA
Top organization / ISP
Rede Speednet Telecom Ltda · Rede Speednet Telecom Ltda
Top geo
Brazil · Maranhão · São Luís
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

143.208.28.0/24

Risk Max — LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
143.208.28.0
Broadcast
143.208.28.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-3.7017 , -50.7784
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS264079 · REDE SPEEDNET TELECOM LTDA ME
Top organization / ISP
Rede Speednet Telecom Ltda ME · Rede Speednet Telecom Ltda ME
Top geo
Brazil · Pará · Pacajá
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →