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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.

51.38.187.0/24

Risk Max LOW Footprint 1.172% Hits 12
Prefix / IP version
/24 · IPv4
Network
51.38.187.0
Broadcast
51.38.187.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
50.6924 , 3.2011300000000005
Hits / Errors
12 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.68.236.0/24

Risk Max LOW Footprint 1.172% Hits 10
Prefix / IP version
/24 · IPv4
Network
51.68.236.0
Broadcast
51.68.236.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
50.6924 , 3.2011300000000005
Hits / Errors
10 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

92.184.121.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
92.184.121.0
Broadcast
92.184.121.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
50.554833333333335 , 2.6272933333333337
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-27 02:00
Top ASN
AS3215 · Orange S.A.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.75.23.0/24

Risk Max LOW Footprint 0.781% Hits 24
Prefix / IP version
/24 · IPv4
Network
51.75.23.0
Broadcast
51.75.23.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
50.6924 , 3.2011300000000005
Hits / Errors
24 hits · 2 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.91.255.0/24

Risk Max LOW Footprint 0.781% Hits 14
Prefix / IP version
/24 · IPv4
Network
51.91.255.0
Broadcast
51.91.255.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
50.692400000000006 , 3.20113
Hits / Errors
14 hits · 4 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.91.254.0/24

Risk Max LOW Footprint 0.781% Hits 12
Prefix / IP version
/24 · IPv4
Network
51.91.254.0
Broadcast
51.91.254.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
50.6924 , 3.2011300000000005
Hits / Errors
12 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.66.150.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
37.66.150.0
Broadcast
37.66.150.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
50.319725 , 2.29417
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.196.152.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
91.196.152.0
Broadcast
91.196.152.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
50.6977 , 3.1786
Hits / Errors
2 hits · 1 errors
First / Last seen
2026-02-25 02:00 · 2026-02-27 02:00
Top ASN
AS213412 · ONYPHE SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.66.151.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
37.66.151.0
Broadcast
37.66.151.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
49.9405 , 1.38717
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

147.135.214.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
147.135.214.0
Broadcast
147.135.214.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
17 hits · 1 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.75.24.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
51.75.24.0
Broadcast
51.75.24.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.2011300000000005
Hits / Errors
12 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.187.27.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
37.187.27.0
Broadcast
37.187.27.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.2011300000000005
Hits / Errors
12 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.68.235.0/24

Risk Max LOW Footprint 0.391% Hits 10
Prefix / IP version
/24 · IPv4
Network
51.68.235.0
Broadcast
51.68.235.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
10 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.75.18.0/24

Risk Max LOW Footprint 0.391% Hits 9
Prefix / IP version
/24 · IPv4
Network
51.75.18.0
Broadcast
51.75.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
9 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.75.118.0/24

Risk Max LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
51.75.118.0
Broadcast
51.75.118.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.75.21.0/24

Risk Max LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
51.75.21.0
Broadcast
51.75.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
8 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.77.210.0/24

Risk Max LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
51.77.210.0
Broadcast
51.77.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.91.242.0/24

Risk Max LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
51.91.242.0
Broadcast
51.91.242.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

46.105.40.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
46.105.40.0
Broadcast
46.105.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.2011300000000005
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.68.102.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
51.68.102.0
Broadcast
51.68.102.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6916 , 3.2015100000000003
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

193.70.46.0/24

Risk Max LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
193.70.46.0
Broadcast
193.70.46.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
5 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

149.202.71.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
149.202.71.0
Broadcast
149.202.71.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.2011300000000005
Hits / Errors
3 hits · 1 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.91.250.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
51.91.250.0
Broadcast
51.91.250.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.2011300000000005
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.38.189.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
51.38.189.0
Broadcast
51.38.189.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.2011300000000005
Hits / Errors
3 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-25 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

88.165.194.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
88.165.194.0
Broadcast
88.165.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6977 , 3.1786
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS12322 · Free SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

88.191.110.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
88.191.110.0
Broadcast
88.191.110.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6977 , 3.1786
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-28 02:00
Top ASN
AS12322 · Free SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

145.239.65.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
145.239.65.0
Broadcast
145.239.65.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
2 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

193.70.33.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
193.70.33.0
Broadcast
193.70.33.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

193.70.81.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
193.70.81.0
Broadcast
193.70.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.254.133.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
51.254.133.0
Broadcast
51.254.133.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

176.147.21.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
176.147.21.0
Broadcast
176.147.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6977 , 3.1786
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

176.181.90.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
176.181.90.0
Broadcast
176.181.90.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6977 , 3.1786
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

176.31.158.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
176.31.158.0
Broadcast
176.31.158.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6916 , 3.20151
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.38.185.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
51.38.185.0
Broadcast
51.38.185.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.66.148.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.66.148.0
Broadcast
37.66.148.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6977 , 3.1786
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.66.149.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.66.149.0
Broadcast
37.66.149.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6977 , 3.1786
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

62.34.21.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
62.34.21.0
Broadcast
62.34.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6977 , 3.1786
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.49.130.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.49.130.0
Broadcast
81.49.130.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6977 , 3.1786
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS3215 · Orange S.A.
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
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