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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 2026-02-26 Results 5 Page 1 / 1

154.121.18.0/24

Risk Max — LOW Footprint 9.766% Hits 33
Prefix / IP version
/24 · IPv4
Network
154.121.18.0
Broadcast
154.121.18.255
Observed IPs / Subnet size
25 observed · 256 total
Centroid
35.29173333333334 , -0.38226575757575765
Hits / Errors
33 hits · 5 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM02
Top geo
Algeria · Sidi Bel Abbès · Sidi Bel Abbes
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

154.121.16.0/24

Risk Max — LOW Footprint 8.984% Hits 28
Prefix / IP version
/24 · IPv4
Network
154.121.16.0
Broadcast
154.121.16.255
Observed IPs / Subnet size
23 observed · 256 total
Centroid
35.18588214285713 , -0.6593964285714286
Hits / Errors
28 hits · 3 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM02
Top geo
Algeria · Sidi Bel Abbès · Sidi Bel Abbes
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

154.121.17.0/24

Risk Max — LOW Footprint 4.297% Hits 11
Prefix / IP version
/24 · IPv4
Network
154.121.17.0
Broadcast
154.121.17.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
35.673309090909086 , -0.5706127272727275
Hits / Errors
11 hits · 0 errors
First / Last seen
2026-02-16 02:00 · 2026-02-23 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM02
Top geo
Algeria · Oran · Oran
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

154.121.19.0/24

Risk Max — LOW Footprint 3.906% Hits 16
Prefix / IP version
/24 · IPv4
Network
154.121.19.0
Broadcast
154.121.19.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
35.884775000000005 , 0.04417812499999999
Hits / Errors
16 hits · 1 errors
First / Last seen
2026-02-15 02:00 · 2026-02-22 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM02
Top geo
Algeria · Mostaganem · Mostaganem
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · 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
2026-02-21 02:00 · 2026-02-22 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM02
Top geo
Algeria · Mostaganem · Mostaganem
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →