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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: CALLSAT · Clear
Snapshot 2026-03-07 Results 2 Page 1 / 1

81.21.38.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
81.21.38.0
Broadcast
81.21.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.6874 , 33.0366
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-03-01 02:00
Top ASN
AS8544 · Primetel PLC
Top organization / ISP
— · CALLSAT
Top geo
Cyprus · Limassol District · Limassol
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

81.21.41.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.21.41.0
Broadcast
81.21.41.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.6874 , 33.0366
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS8544 · Primetel PLC
Top organization / ISP
— · CALLSAT
Top geo
Cyprus · Limassol District · Limassol
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →