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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.

154.121.103.0/24

Risk Max LOW Footprint 10.547% Hits 34
Prefix / IP version
/24 · IPv4
Network
154.121.103.0
Broadcast
154.121.103.255
Observed IPs / Subnet size
27 observed · 256 total
Centroid
32.103988235294125 , 6.034280000000001
Hits / Errors
34 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.83.0/24

Risk Max LOW Footprint 9.766% Hits 28
Prefix / IP version
/24 · IPv4
Network
154.121.83.0
Broadcast
154.121.83.255
Observed IPs / Subnet size
25 observed · 256 total
Centroid
32.08713571428571 , 5.2893792857142845
Hits / Errors
28 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.141.0/24

Risk Max LOW Footprint 8.594% Hits 31
Prefix / IP version
/24 · IPv4
Network
154.121.141.0
Broadcast
154.121.141.255
Observed IPs / Subnet size
22 observed · 256 total
Centroid
36.39277741935484 , 1.8059858064516132
Hits / Errors
31 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.140.0/24

Risk Max LOW Footprint 8.594% Hits 29
Prefix / IP version
/24 · IPv4
Network
154.121.140.0
Broadcast
154.121.140.255
Observed IPs / Subnet size
22 observed · 256 total
Centroid
32.56811034482759 , 2.733965862068965
Hits / Errors
29 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.82.0/24

Risk Max LOW Footprint 8.203% Hits 26
Prefix / IP version
/24 · IPv4
Network
154.121.82.0
Broadcast
154.121.82.255
Observed IPs / Subnet size
21 observed · 256 total
Centroid
33.00934230769231 , 3.8742169230769226
Hits / Errors
26 hits · 2 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.94.0/24

Risk Max LOW Footprint 7.812% Hits 26
Prefix / IP version
/24 · IPv4
Network
154.121.94.0
Broadcast
154.121.94.255
Observed IPs / Subnet size
20 observed · 256 total
Centroid
35.939476923076924 , 2.9006680769230773
Hits / Errors
26 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.144.0/24

Risk Max LOW Footprint 7.422% Hits 31
Prefix / IP version
/24 · IPv4
Network
154.121.144.0
Broadcast
154.121.144.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
33.72169677419356 , 3.174837419354839
Hits / Errors
31 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.127.0/24

Risk Max LOW Footprint 7.422% Hits 26
Prefix / IP version
/24 · IPv4
Network
154.121.127.0
Broadcast
154.121.127.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
31.094619230769226 , 5.277544615384614
Hits / Errors
26 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.95.0/24

Risk Max LOW Footprint 7.422% Hits 22
Prefix / IP version
/24 · IPv4
Network
154.121.95.0
Broadcast
154.121.95.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
36.039527272727284 , 3.7071368181818185
Hits / Errors
22 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.113.0/24

Risk Max LOW Footprint 7.422% Hits 21
Prefix / IP version
/24 · IPv4
Network
154.121.113.0
Broadcast
154.121.113.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
33.3203 , 3.414640476190476
Hits / Errors
21 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.126.0/24

Risk Max LOW Footprint 6.641% Hits 24
Prefix / IP version
/24 · IPv4
Network
154.121.126.0
Broadcast
154.121.126.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
31.826054166666665 , 5.6677800000000005
Hits / Errors
24 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.145.0/24

Risk Max LOW Footprint 6.641% Hits 18
Prefix / IP version
/24 · IPv4
Network
154.121.145.0
Broadcast
154.121.145.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
33.509899999999995 , 3.394044444444445
Hits / Errors
18 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.112.0/24

Risk Max LOW Footprint 6.250% Hits 19
Prefix / IP version
/24 · IPv4
Network
154.121.112.0
Broadcast
154.121.112.255
Observed IPs / Subnet size
16 observed · 256 total
Centroid
32.88858947368421 , 3.3971184210526313
Hits / Errors
19 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.150.0/24

Risk Max LOW Footprint 5.859% Hits 28
Prefix / IP version
/24 · IPv4
Network
154.121.150.0
Broadcast
154.121.150.255
Observed IPs / Subnet size
15 observed · 256 total
Centroid
36.425653571428576 , 2.066921785714286
Hits / Errors
28 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.148.0/24

Risk Max LOW Footprint 5.469% Hits 21
Prefix / IP version
/24 · IPv4
Network
154.121.148.0
Broadcast
154.121.148.255
Observed IPs / Subnet size
14 observed · 256 total
Centroid
36.39743333333334 , 1.9559033333333335
Hits / Errors
21 hits · 1 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.123.0/24

Risk Max LOW Footprint 5.469% Hits 20
Prefix / IP version
/24 · IPv4
Network
154.121.123.0
Broadcast
154.121.123.255
Observed IPs / Subnet size
14 observed · 256 total
Centroid
36.12442 , 4.569270000000001
Hits / Errors
20 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.119.0/24

Risk Max LOW Footprint 5.078% Hits 18
Prefix / IP version
/24 · IPv4
Network
154.121.119.0
Broadcast
154.121.119.255
Observed IPs / Subnet size
13 observed · 256 total
Centroid
34.91837222222222 , 5.674346666666665
Hits / Errors
18 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.67.0/24

Risk Max LOW Footprint 5.078% Hits 15
Prefix / IP version
/24 · IPv4
Network
154.121.67.0
Broadcast
154.121.67.255
Observed IPs / Subnet size
13 observed · 256 total
Centroid
36.52837333333332 , 7.314411333333335
Hits / Errors
15 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM All IP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.77.0/24

Risk Max LOW Footprint 4.688% Hits 20
Prefix / IP version
/24 · IPv4
Network
154.121.77.0
Broadcast
154.121.77.255
Observed IPs / Subnet size
12 observed · 256 total
Centroid
35.815215 , -0.326114
Hits / Errors
20 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Algeria · Oran · Oran
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.92.0/24

Risk Max LOW Footprint 4.688% Hits 17
Prefix / IP version
/24 · IPv4
Network
154.121.92.0
Broadcast
154.121.92.255
Observed IPs / Subnet size
12 observed · 256 total
Centroid
36.800735294117636 , 7.709204117647058
Hits / Errors
17 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.146.0/24

Risk Max LOW Footprint 4.688% Hits 15
Prefix / IP version
/24 · IPv4
Network
154.121.146.0
Broadcast
154.121.146.255
Observed IPs / Subnet size
12 observed · 256 total
Centroid
36.43040666666666 , 3.455650666666666
Hits / Errors
15 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.86.0/24

Risk Max LOW Footprint 4.688% Hits 15
Prefix / IP version
/24 · IPv4
Network
154.121.86.0
Broadcast
154.121.86.255
Observed IPs / Subnet size
12 observed · 256 total
Centroid
35.598659999999995 , 6.304719333333334
Hits / Errors
15 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.116.0/24

Risk Max LOW Footprint 4.688% Hits 15
Prefix / IP version
/24 · IPv4
Network
154.121.116.0
Broadcast
154.121.116.255
Observed IPs / Subnet size
12 observed · 256 total
Centroid
36.813539999999996 , 6.157265999999999
Hits / Errors
15 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.105.0/24

Risk Max LOW Footprint 4.297% Hits 15
Prefix / IP version
/24 · IPv4
Network
154.121.105.0
Broadcast
154.121.105.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
36.753053333333334 , 5.859787999999999
Hits / Errors
15 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.142.0/24

Risk Max LOW Footprint 4.297% Hits 15
Prefix / IP version
/24 · IPv4
Network
154.121.142.0
Broadcast
154.121.142.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
36.16574 , 1.472972
Hits / Errors
15 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.73.0/24

Risk Max LOW Footprint 4.297% Hits 15
Prefix / IP version
/24 · IPv4
Network
154.121.73.0
Broadcast
154.121.73.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
36.30829333333333 , 5.637285333333332
Hits / Errors
15 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.75.0/24

Risk Max LOW Footprint 4.297% Hits 14
Prefix / IP version
/24 · IPv4
Network
154.121.75.0
Broadcast
154.121.75.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
35.7964 , 7.39278
Hits / Errors
14 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.147.0/24

Risk Max LOW Footprint 4.297% Hits 14
Prefix / IP version
/24 · IPv4
Network
154.121.147.0
Broadcast
154.121.147.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
36.141771428571424 , 2.0256200000000004
Hits / Errors
14 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.117.0/24

Risk Max LOW Footprint 4.297% Hits 13
Prefix / IP version
/24 · IPv4
Network
154.121.117.0
Broadcast
154.121.117.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
36.32251538461539 , 7.730588461538461
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
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.102.0/24

Risk Max LOW Footprint 3.906% Hits 14
Prefix / IP version
/24 · IPv4
Network
154.121.102.0
Broadcast
154.121.102.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
31.9463 , 5.743231428571428
Hits / Errors
14 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.66.0/24

Risk Max LOW Footprint 3.906% Hits 14
Prefix / IP version
/24 · IPv4
Network
154.121.66.0
Broadcast
154.121.66.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
35.499892857142854 , 6.830864285714286
Hits / Errors
14 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
— · ATM All IP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.80.0/24

Risk Max LOW Footprint 3.906% Hits 13
Prefix / IP version
/24 · IPv4
Network
154.121.80.0
Broadcast
154.121.80.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
36.68254615384616 , 3.0823184615384625
Hits / Errors
13 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.74.0/24

Risk Max LOW Footprint 3.906% Hits 12
Prefix / IP version
/24 · IPv4
Network
154.121.74.0
Broadcast
154.121.74.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
36.711499999999994 , 5.808961666666666
Hits / Errors
12 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.108.0/24

Risk Max LOW Footprint 3.906% Hits 12
Prefix / IP version
/24 · IPv4
Network
154.121.108.0
Broadcast
154.121.108.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
36.76618333333332 , 6.847954166666667
Hits / Errors
12 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.121.0/24

Risk Max LOW Footprint 3.516% Hits 14
Prefix / IP version
/24 · IPv4
Network
154.121.121.0
Broadcast
154.121.121.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
36.8762 , 6.90921
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
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.129.0/24

Risk Max LOW Footprint 3.516% Hits 11
Prefix / IP version
/24 · IPv4
Network
154.121.129.0
Broadcast
154.121.129.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
36.255509090909094 , 1.3216509090909092
Hits / Errors
11 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.98.0/24

Risk Max LOW Footprint 3.516% Hits 11
Prefix / IP version
/24 · IPv4
Network
154.121.98.0
Broadcast
154.121.98.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
35.76854545454545 , 4.726083636363636
Hits / Errors
11 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.114.0/24

Risk Max LOW Footprint 3.516% Hits 10
Prefix / IP version
/24 · IPv4
Network
154.121.114.0
Broadcast
154.121.114.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
35.678779999999996 , 4.628704999999998
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
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.88.0/24

Risk Max LOW Footprint 3.516% Hits 10
Prefix / IP version
/24 · IPv4
Network
154.121.88.0
Broadcast
154.121.88.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
36.68685000000001 , 3.035956
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
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

154.121.151.0/24

Risk Max LOW Footprint 3.125% Hits 11
Prefix / IP version
/24 · IPv4
Network
154.121.151.0
Broadcast
154.121.151.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
36.2825 , 1.5037554545454546
Hits / Errors
11 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS327712 · Telecom Algeria
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
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