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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: ATM02 · Clear
Snapshot 2026-01-23 Results 3 Page 1 / 1

154.121.16.0/24

Risk Max — LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
154.121.16.0
Broadcast
154.121.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1899 , -0.63085
Hits / Errors
14 hits · 0 errors
First / Last seen
2025-03-18 15:01 · 2025-03-18 15:01
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM02
Top geo
Algeria · Sidi Bel Abbès · Sidi Bel Abbes
Window / Updated
2025-03-17 → 2025-03-24 · Updated 2026-01-14 · v2
Open report →

154.121.20.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
154.121.20.0
Broadcast
154.121.20.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.9311 , 0.08918
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-24 13:57 · 2025-11-24 13:57
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM02
Top geo
Algeria · Mostaganem · Mostaganem
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →

154.121.18.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
154.121.18.0
Broadcast
154.121.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1899 , -0.63085
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-11-20 00:34 · 2025-11-20 00:34
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM02
Top geo
Algeria · Sidi Bel Abbès · Sidi Bel Abbes
Window / Updated
2025-11-17 → 2025-11-24 · Updated 2026-01-14 · v2
Open report →