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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 7 Page 1 / 1

191.37.156.0/24

Risk Max — LOW Footprint 3.516% Hits 32
Prefix / IP version
/24 · IPv4
Network
191.37.156.0
Broadcast
191.37.156.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
-2.6495 , -44.3044
Hits / Errors
32 hits · 3 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

191.37.154.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.37.154.0
Broadcast
191.37.154.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-2.6495 , -44.3044
Hits / Errors
2 hits · 1 errors
First / Last seen
2026-02-20 02:00 · 2026-02-21 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

143.208.29.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
143.208.29.0
Broadcast
143.208.29.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-4.0007 , -51.7843
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-17 02:00 · 2026-02-20 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 · Senador José Porfírio
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

191.37.155.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.37.155.0
Broadcast
191.37.155.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-2.6495 , -44.3044
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-19 02:00 · 2026-02-20 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

143.208.31.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
143.208.31.0
Broadcast
143.208.31.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.7017 , -50.7784
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-17 02:00 · 2026-02-18 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

143.208.28.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
143.208.28.0
Broadcast
143.208.28.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.7017 , -50.7784
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-21 02:00 · 2026-02-22 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

191.37.152.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.37.152.0
Broadcast
191.37.152.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-2.6495 , -44.3044
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-19 02:00 · 2026-02-20 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →