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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.

138.121.81.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
138.121.81.0
Broadcast
138.121.81.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.2984 , -59.102
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
AS61500 · ParkNet SRL
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

186.56.81.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.56.81.0
Broadcast
186.56.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.2938 , -59.1063
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

186.56.83.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.56.83.0
Broadcast
186.56.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.2984 , -59.102
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

200.112.146.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
200.112.146.0
Broadcast
200.112.146.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.2938 , -59.1063
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
AS22080 · Broadbandtech S. A.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

138.121.83.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.121.83.0
Broadcast
138.121.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.2984 , -59.102
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS270054 · GLOBALRADIO S.A.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

179.51.204.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
179.51.204.0
Broadcast
179.51.204.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.2938 , -59.1063
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

200.112.152.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
200.112.152.0
Broadcast
200.112.152.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.2984 , -59.102
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS22080 · Broadbandtech S. A.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2