DigitalOcean Referral Badge
cloud1
cloud2
cloud3
cloud4
cloud5
cloud6

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.

51.222.41.0/24

Risk Max 5 LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
51.222.41.0
Broadcast
51.222.41.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.3161 , -73.8736
Hits / Errors
8 hits · 4 errors
First / Last seen
2023-12-14 18:47 · 2023-12-14 19:57
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2023-12-11 → 2023-12-18 · Updated 2026-01-14 · v2

37.187.27.0/24

Risk Max 4 LOW Footprint 0.391% Hits 226
Prefix / IP version
/24 · IPv4
Network
37.187.27.0
Broadcast
37.187.27.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.69239999999999 , 3.20113
Hits / Errors
226 hits · 0 errors
First / Last seen
2025-04-29 20:24 · 2025-04-29 20:44
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2

188.165.237.0/24

Risk Max 4 LOW Footprint 0.391% Hits 226
Prefix / IP version
/24 · IPv4
Network
188.165.237.0
Broadcast
188.165.237.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.69239999999999 , 3.20113
Hits / Errors
226 hits · 0 errors
First / Last seen
2025-04-29 04:38 · 2025-04-29 05:07
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2

15.204.25.0/24

Risk Max 4 LOW Footprint 0.391% Hits 40
Prefix / IP version
/24 · IPv4
Network
15.204.25.0
Broadcast
15.204.25.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.5397 , -122.96380000000002
Hits / Errors
40 hits · 0 errors
First / Last seen
2023-10-09 06:19 · 2023-10-09 07:23
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2023-10-09 → 2023-10-16 · Updated 2026-01-14 · v2

51.195.2.0/24

Risk Max 4 LOW Footprint 0.391% Hits 37
Prefix / IP version
/24 · IPv4
Network
51.195.2.0
Broadcast
51.195.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.3986 , 8.07958
Hits / Errors
37 hits · 35 errors
First / Last seen
2025-08-16 01:29 · 2025-08-16 01:31
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2

51.89.33.0/24

Risk Max 4 LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
51.89.33.0
Broadcast
51.89.33.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.50809999999999 , -0.1278
Hits / Errors
12 hits · 0 errors
First / Last seen
2025-05-20 17:47 · 2025-05-21 00:48
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

91.134.248.0/24

Risk Max 4 LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
91.134.248.0
Broadcast
91.134.248.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.2011300000000005
Hits / Errors
6 hits · 3 errors
First / Last seen
2024-11-20 02:46 · 2024-11-20 02:46
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2024-11-18 → 2024-11-25 · Updated 2026-01-14 · v2

15.235.12.0/24

Risk Max 4 LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
15.235.12.0
Broadcast
15.235.12.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.50289999999999 , -73.5723
Hits / Errors
6 hits · 3 errors
First / Last seen
2024-11-06 00:32 · 2024-11-06 00:32
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2

51.68.21.0/24

Risk Max 4 LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
51.68.21.0
Broadcast
51.68.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6916 , 3.20151
Hits / Errors
5 hits · 3 errors
First / Last seen
2025-08-20 20:40 · 2025-08-20 20:40
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-08-18 → 2025-08-25 · Updated 2026-01-14 · v2

54.39.87.0/24

Risk Max 3 LOW Footprint 0.391% Hits 281
Prefix / IP version
/24 · IPv4
Network
54.39.87.0
Broadcast
54.39.87.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.3161 , -73.8736
Hits / Errors
281 hits · 187 errors
First / Last seen
2023-09-16 09:01 · 2023-09-16 09:10
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2023-09-11 → 2023-09-18 · Updated 2026-01-14 · v2

192.99.35.0/24

Risk Max 3 LOW Footprint 0.391% Hits 141
Prefix / IP version
/24 · IPv4
Network
192.99.35.0
Broadcast
192.99.35.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.5029 , -73.5723
Hits / Errors
141 hits · 0 errors
First / Last seen
2025-04-14 18:28 · 2025-04-14 18:37
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-04-14 → 2025-04-21 · Updated 2026-01-14 · v2

139.99.99.0/24

Risk Max 3 LOW Footprint 0.391% Hits 45
Prefix / IP version
/24 · IPv4
Network
139.99.99.0
Broadcast
139.99.99.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.27994 , 103.849
Hits / Errors
45 hits · 0 errors
First / Last seen
2024-01-31 13:40 · 2024-01-31 13:41
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2024-01-29 → 2024-02-05 · Updated 2026-01-14 · v2

135.125.244.0/24

Risk Max 3 LOW Footprint 0.391% Hits 42
Prefix / IP version
/24 · IPv4
Network
135.125.244.0
Broadcast
135.125.244.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.3986 , 8.07958
Hits / Errors
42 hits · 42 errors
First / Last seen
2024-10-14 01:47 · 2024-10-15 09:54
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2024-10-14 → 2024-10-21 · Updated 2026-01-14 · v2

46.105.97.0/24

Risk Max 3 LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
46.105.97.0
Broadcast
46.105.97.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.2011300000000005
Hits / Errors
6 hits · 0 errors
First / Last seen
2025-03-16 01:04 · 2025-03-16 16:57
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-03-10 → 2025-03-17 · Updated 2026-01-14 · v2

51.91.9.0/24

Risk Max 3 LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
51.91.9.0
Broadcast
51.91.9.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.2011300000000005
Hits / Errors
6 hits · 0 errors
First / Last seen
2025-01-29 20:38 · 2025-02-01 00:13
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-01-27 → 2025-02-03 · Updated 2026-01-14 · v2

51.89.129.0/24

Risk Max 2 LOW Footprint 26.172% Hits 83
Prefix / IP version
/24 · IPv4
Network
51.89.129.0
Broadcast
51.89.129.255
Observed IPs / Subnet size
67 observed · 256 total
Centroid
51.5081 , -0.12780000000000005
Hits / Errors
83 hits · 2 errors
First / Last seen
2025-12-12 06:55 · 2025-12-14 23:58
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

51.75.236.0/24

Risk Max 2 LOW Footprint 12.500% Hits 99
Prefix / IP version
/24 · IPv4
Network
51.75.236.0
Broadcast
51.75.236.255
Observed IPs / Subnet size
32 observed · 256 total
Centroid
50.6927 , 3.177850000000001
Hits / Errors
99 hits · 0 errors
First / Last seen
2025-12-17 00:04 · 2025-12-17 23:56
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

5.39.1.0/24

Risk Max 2 LOW Footprint 12.500% Hits 96
Prefix / IP version
/24 · IPv4
Network
5.39.1.0
Broadcast
5.39.1.255
Observed IPs / Subnet size
32 observed · 256 total
Centroid
50.6927 , 3.17785
Hits / Errors
96 hits · 1 errors
First / Last seen
2025-12-17 00:00 · 2025-12-17 23:40
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

94.23.188.0/24

Risk Max 2 LOW Footprint 12.109% Hits 105
Prefix / IP version
/24 · IPv4
Network
94.23.188.0
Broadcast
94.23.188.255
Observed IPs / Subnet size
31 observed · 256 total
Centroid
50.692699999999995 , 3.17785
Hits / Errors
105 hits · 0 errors
First / Last seen
2025-12-17 00:12 · 2025-12-17 23:56
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

37.59.204.0/24

Risk Max 2 LOW Footprint 12.109% Hits 102
Prefix / IP version
/24 · IPv4
Network
37.59.204.0
Broadcast
37.59.204.255
Observed IPs / Subnet size
31 observed · 256 total
Centroid
50.6927 , 3.1778500000000007
Hits / Errors
102 hits · 2 errors
First / Last seen
2025-12-17 00:03 · 2025-12-17 23:32
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

92.222.108.0/24

Risk Max 2 LOW Footprint 11.719% Hits 99
Prefix / IP version
/24 · IPv4
Network
92.222.108.0
Broadcast
92.222.108.255
Observed IPs / Subnet size
30 observed · 256 total
Centroid
48.855800000000016 , 2.3494000000000006
Hits / Errors
99 hits · 0 errors
First / Last seen
2025-12-17 00:05 · 2025-12-17 23:47
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

92.222.104.0/24

Risk Max 2 LOW Footprint 11.328% Hits 99
Prefix / IP version
/24 · IPv4
Network
92.222.104.0
Broadcast
92.222.104.255
Observed IPs / Subnet size
29 observed · 256 total
Centroid
48.855799999999995 , 2.3494000000000006
Hits / Errors
99 hits · 0 errors
First / Last seen
2025-12-17 00:10 · 2025-12-17 23:50
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

54.36.177.0/24

Risk Max 2 LOW Footprint 0.391% Hits 23
Prefix / IP version
/24 · IPv4
Network
54.36.177.0
Broadcast
54.36.177.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
23 hits · 12 errors
First / Last seen
2023-09-20 17:18 · 2023-09-20 17:21
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2023-09-18 → 2023-09-25 · Updated 2026-01-14 · v2

51.77.53.0/24

Risk Max 2 LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
51.77.53.0
Broadcast
51.77.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.2299 , 21.0093
Hits / Errors
18 hits · 15 errors
First / Last seen
2024-06-13 20:17 · 2024-06-13 20:23
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2024-06-10 → 2024-06-17 · Updated 2026-01-14 · v2

198.27.89.0/24

Risk Max 2 LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
198.27.89.0
Broadcast
198.27.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.5029 , -73.5723
Hits / Errors
18 hits · 12 errors
First / Last seen
2024-04-21 13:10 · 2024-04-21 13:19
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2024-04-15 → 2024-04-22 · Updated 2026-01-14 · v2

94.23.252.0/24

Risk Max 2 LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
94.23.252.0
Broadcast
94.23.252.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
18 hits · 8 errors
First / Last seen
2024-02-18 06:06 · 2024-02-18 06:07
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2024-02-12 → 2024-02-19 · Updated 2026-01-14 · v2

37.187.139.0/24

Risk Max 2 LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
37.187.139.0
Broadcast
37.187.139.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6924 , 3.20113
Hits / Errors
14 hits · 0 errors
First / Last seen
2025-05-15 05:46 · 2025-05-17 01:28
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-05-12 → 2025-05-19 · Updated 2026-01-14 · v2

141.95.211.0/24

Risk Max 2 LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
141.95.211.0
Broadcast
141.95.211.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6927 , 3.17785
Hits / Errors
8 hits · 4 errors
First / Last seen
2024-04-30 23:33 · 2024-04-30 23:33
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2024-04-29 → 2024-05-06 · Updated 2026-01-14 · v2

57.128.117.0/24

Risk Max 2 LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
57.128.117.0
Broadcast
57.128.117.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.7012 , 3.21501
Hits / Errors
4 hits · 2 errors
First / Last seen
2025-03-29 14:22 · 2025-03-29 14:22
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-03-24 → 2025-03-31 · Updated 2026-01-14 · v2

198.244.168.0/24

Risk Max 1 LOW Footprint 25.781% Hits 74
Prefix / IP version
/24 · IPv4
Network
198.244.168.0
Broadcast
198.244.168.255
Observed IPs / Subnet size
66 observed · 256 total
Centroid
51.507200000000005 , -0.1275860000000001
Hits / Errors
74 hits · 0 errors
First / Last seen
2025-12-14 00:04 · 2025-12-14 23:52
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

198.244.226.0/24

Risk Max 1 LOW Footprint 25.391% Hits 75
Prefix / IP version
/24 · IPv4
Network
198.244.226.0
Broadcast
198.244.226.255
Observed IPs / Subnet size
65 observed · 256 total
Centroid
51.508100000000006 , -0.12780000000000002
Hits / Errors
75 hits · 1 errors
First / Last seen
2025-12-14 01:16 · 2025-12-14 23:49
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

198.244.240.0/24

Risk Max 1 LOW Footprint 25.000% Hits 69
Prefix / IP version
/24 · IPv4
Network
198.244.240.0
Broadcast
198.244.240.255
Observed IPs / Subnet size
64 observed · 256 total
Centroid
51.508100000000006 , -0.12779999999999997
Hits / Errors
69 hits · 0 errors
First / Last seen
2025-12-14 00:01 · 2025-12-14 23:53
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

54.38.147.0/24

Risk Max 1 LOW Footprint 24.219% Hits 71
Prefix / IP version
/24 · IPv4
Network
54.38.147.0
Broadcast
54.38.147.255
Observed IPs / Subnet size
62 observed · 256 total
Centroid
51.507200000000005 , -0.1275860000000001
Hits / Errors
71 hits · 0 errors
First / Last seen
2025-12-14 01:11 · 2025-12-14 23:50
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

51.195.183.0/24

Risk Max 1 LOW Footprint 22.656% Hits 66
Prefix / IP version
/24 · IPv4
Network
51.195.183.0
Broadcast
51.195.183.255
Observed IPs / Subnet size
58 observed · 256 total
Centroid
51.507200000000005 , -0.127586
Hits / Errors
66 hits · 1 errors
First / Last seen
2025-12-10 20:03 · 2025-12-14 23:48
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

198.244.183.0/24

Risk Max 1 LOW Footprint 20.312% Hits 63
Prefix / IP version
/24 · IPv4
Network
198.244.183.0
Broadcast
198.244.183.255
Observed IPs / Subnet size
52 observed · 256 total
Centroid
51.508100000000006 , -0.1277999999999999
Hits / Errors
63 hits · 0 errors
First / Last seen
2025-12-14 00:00 · 2025-12-14 23:56
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

54.36.148.0/24

Risk Max 1 LOW Footprint 16.797% Hits 69
Prefix / IP version
/24 · IPv4
Network
54.36.148.0
Broadcast
54.36.148.255
Observed IPs / Subnet size
43 observed · 256 total
Centroid
50.69239999999997 , 3.2011300000000023
Hits / Errors
69 hits · 17 errors
First / Last seen
2025-08-25 11:15 · 2025-08-26 03:13
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2

176.31.139.0/24

Risk Max 1 LOW Footprint 12.109% Hits 82
Prefix / IP version
/24 · IPv4
Network
176.31.139.0
Broadcast
176.31.139.255
Observed IPs / Subnet size
31 observed · 256 total
Centroid
50.697700000000005 , 3.1786
Hits / Errors
82 hits · 0 errors
First / Last seen
2025-12-17 00:01 · 2025-12-17 23:56
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

54.37.118.0/24

Risk Max 1 LOW Footprint 11.719% Hits 81
Prefix / IP version
/24 · IPv4
Network
54.37.118.0
Broadcast
54.37.118.255
Observed IPs / Subnet size
30 observed · 256 total
Centroid
50.692700000000016 , 3.1778500000000007
Hits / Errors
81 hits · 0 errors
First / Last seen
2025-12-17 00:15 · 2025-12-17 22:39
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

5.39.109.0/24

Risk Max 1 LOW Footprint 11.719% Hits 69
Prefix / IP version
/24 · IPv4
Network
5.39.109.0
Broadcast
5.39.109.255
Observed IPs / Subnet size
30 observed · 256 total
Centroid
50.69270000000002 , 3.1778500000000007
Hits / Errors
69 hits · 0 errors
First / Last seen
2025-12-16 00:28 · 2025-12-17 22:45
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

51.68.247.0/24

Risk Max 1 LOW Footprint 11.328% Hits 81
Prefix / IP version
/24 · IPv4
Network
51.68.247.0
Broadcast
51.68.247.255
Observed IPs / Subnet size
29 observed · 256 total
Centroid
50.69270000000001 , 3.177850000000002
Hits / Errors
81 hits · 1 errors
First / Last seen
2025-12-17 00:18 · 2025-12-17 23:52
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2