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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: ATM03 · Clear
Snapshot 2026-03-01 Results 8 Page 1 / 1

154.121.38.0/24

Risk Max — LOW Footprint 14.844% Hits 48
Prefix / IP version
/24 · IPv4
Network
154.121.38.0
Broadcast
154.121.38.255
Observed IPs / Subnet size
38 observed · 256 total
Centroid
32.28789583333333 , 4.908189583333333
Hits / Errors
48 hits · 5 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM03
Top geo
Algeria · Ouargla · Ouargla
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

154.121.39.0/24

Risk Max — LOW Footprint 11.328% Hits 37
Prefix / IP version
/24 · IPv4
Network
154.121.39.0
Broadcast
154.121.39.255
Observed IPs / Subnet size
29 observed · 256 total
Centroid
31.86062702702702 , 5.474446216216215
Hits / Errors
37 hits · 4 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM03
Top geo
Algeria · Ouargla · Ouargla
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

154.121.34.0/24

Risk Max — LOW Footprint 11.328% Hits 34
Prefix / IP version
/24 · IPv4
Network
154.121.34.0
Broadcast
154.121.34.255
Observed IPs / Subnet size
29 observed · 256 total
Centroid
31.64621176470589 , 5.181294705882352
Hits / Errors
34 hits · 5 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM03
Top geo
Algeria · Ouargla · Rouissat
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

154.121.33.0/24

Risk Max — LOW Footprint 10.938% Hits 38
Prefix / IP version
/24 · IPv4
Network
154.121.33.0
Broadcast
154.121.33.255
Observed IPs / Subnet size
28 observed · 256 total
Centroid
32.6788552631579 , 3.785077105263159
Hits / Errors
38 hits · 4 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM03
Top geo
Algeria · Ghardaia · Ghardaïa
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

154.121.35.0/24

Risk Max — LOW Footprint 8.984% Hits 35
Prefix / IP version
/24 · IPv4
Network
154.121.35.0
Broadcast
154.121.35.255
Observed IPs / Subnet size
23 observed · 256 total
Centroid
34.60133999999999 , 5.415850571428569
Hits / Errors
35 hits · 6 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM03
Top geo
Algeria · Biskra · Tolga
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

154.121.32.0/24

Risk Max — LOW Footprint 7.422% Hits 26
Prefix / IP version
/24 · IPv4
Network
154.121.32.0
Broadcast
154.121.32.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
32.79008846153847 , 3.700529615384615
Hits / Errors
26 hits · 3 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM03
Top geo
Algeria · Ghardaia · Ghardaïa
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

154.121.37.0/24

Risk Max — LOW Footprint 5.078% Hits 22
Prefix / IP version
/24 · IPv4
Network
154.121.37.0
Broadcast
154.121.37.255
Observed IPs / Subnet size
13 observed · 256 total
Centroid
33.6826090909091 , 4.005740454545456
Hits / Errors
22 hits · 1 errors
First / Last seen
2026-02-16 02:00 · 2026-02-23 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM03
Top geo
Algeria · Djelfa · Djelfa
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

154.121.36.0/24

Risk Max — LOW Footprint 3.906% Hits 13
Prefix / IP version
/24 · IPv4
Network
154.121.36.0
Broadcast
154.121.36.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
29.62803846153846 , 2.769474615384615
Hits / Errors
13 hits · 1 errors
First / Last seen
2026-02-16 02:00 · 2026-02-22 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM03
Top geo
Algeria · In Salah · In Salah
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →