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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: ATM04 · Clear
Snapshot 2026-03-07 Results 8 Page 1 / 1

154.121.40.0/24

Risk Max — LOW Footprint 4.297% Hits 14
Prefix / IP version
/24 · IPv4
Network
154.121.40.0
Broadcast
154.121.40.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
35.71431428571427 , -0.6573228571428571
Hits / Errors
14 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM04
Top geo
Algeria · Oran · Oran
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

154.121.46.0/24

Risk Max — LOW Footprint 3.906% Hits 13
Prefix / IP version
/24 · IPv4
Network
154.121.46.0
Broadcast
154.121.46.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
35.597915384615376 , -0.6392115384615386
Hits / Errors
13 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM04
Top geo
Algeria · Oran · Oran
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

154.121.47.0/24

Risk Max — LOW Footprint 3.906% Hits 10
Prefix / IP version
/24 · IPv4
Network
154.121.47.0
Broadcast
154.121.47.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
35.76274 , -0.43550400000000017
Hits / Errors
10 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM04
Top geo
Algeria · Oran · Oran
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

154.121.43.0/24

Risk Max — LOW Footprint 3.516% Hits 11
Prefix / IP version
/24 · IPv4
Network
154.121.43.0
Broadcast
154.121.43.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
35.71846363636362 , -0.6631709090909091
Hits / Errors
11 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM04
Top geo
Algeria · Oran · Oran
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

154.121.41.0/24

Risk Max — LOW Footprint 3.516% Hits 10
Prefix / IP version
/24 · IPv4
Network
154.121.41.0
Broadcast
154.121.41.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
35.69388888888889 , -0.6981033333333334
Hits / Errors
10 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM04
Top geo
Algeria · Oran · Oran
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

154.121.42.0/24

Risk Max — LOW Footprint 2.734% Hits 7
Prefix / IP version
/24 · IPv4
Network
154.121.42.0
Broadcast
154.121.42.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
35.677842857142856 , -0.11436142857142859
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM04
Top geo
Algeria · Oran · Oran
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

154.121.45.0/24

Risk Max — LOW Footprint 1.953% Hits 7
Prefix / IP version
/24 · IPv4
Network
154.121.45.0
Broadcast
154.121.45.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
34.547914285714285 , -1.1089771428571429
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM04
Top geo
Algeria · Oran · Oran
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

154.121.44.0/24

Risk Max — LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
154.121.44.0
Broadcast
154.121.44.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
32.581959999999995 , -0.5170920000000001
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM04
Top geo
Algeria · Oran · Oran
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →