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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.

217.182.73.0/24

Risk Max LOW Footprint 0.781% Hits 32
Prefix / IP version
/24 · IPv4
Network
217.182.73.0
Broadcast
217.182.73.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
51.098 , 17.0321
Hits / Errors
32 hits · 0 errors
First / Last seen
2025-05-30 00:56 · 2025-05-30 01:30
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

145.239.135.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
145.239.135.0
Broadcast
145.239.135.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
51.09799999999999 , 17.0321
Hits / Errors
3 hits · 1 errors
First / Last seen
2025-08-04 07:03 · 2025-08-05 04:04
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

145.239.81.0/24

Risk Max LOW Footprint 0.391% Hits 55
Prefix / IP version
/24 · IPv4
Network
145.239.81.0
Broadcast
145.239.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.101 , 17.0295
Hits / Errors
55 hits · 5 errors
First / Last seen
2025-05-30 00:56 · 2025-05-30 01:33
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

145.239.87.0/24

Risk Max LOW Footprint 0.391% Hits 49
Prefix / IP version
/24 · IPv4
Network
145.239.87.0
Broadcast
145.239.87.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.101 , 17.0295
Hits / Errors
49 hits · 0 errors
First / Last seen
2025-05-30 00:56 · 2025-05-30 01:32
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

145.239.89.0/24

Risk Max LOW Footprint 0.391% Hits 39
Prefix / IP version
/24 · IPv4
Network
145.239.89.0
Broadcast
145.239.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.101 , 17.0295
Hits / Errors
39 hits · 0 errors
First / Last seen
2025-05-30 00:58 · 2025-05-30 01:33
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

145.239.83.0/24

Risk Max LOW Footprint 0.391% Hits 35
Prefix / IP version
/24 · IPv4
Network
145.239.83.0
Broadcast
145.239.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.101 , 17.0295
Hits / Errors
35 hits · 2 errors
First / Last seen
2025-05-30 00:56 · 2025-05-30 01:30
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

51.83.243.0/24

Risk Max LOW Footprint 0.391% Hits 24
Prefix / IP version
/24 · IPv4
Network
51.83.243.0
Broadcast
51.83.243.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.09799999999999 , 17.0321
Hits / Errors
24 hits · 2 errors
First / Last seen
2023-10-14 19:52 · 2023-10-14 19:52
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2023-10-09 → 2023-10-16 · Updated 2026-01-14 · v2

104.28.210.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
104.28.210.0
Broadcast
104.28.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.101 , 17.0295
Hits / Errors
20 hits · 1 errors
First / Last seen
2025-07-31 14:34 · 2025-07-31 14:34
Top ASN
AS13335 · Cloudflare, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

104.28.242.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
104.28.242.0
Broadcast
104.28.242.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.101 , 17.0295
Hits / Errors
20 hits · 0 errors
First / Last seen
2025-07-31 14:34 · 2025-07-31 14:34
Top ASN
AS13335 · Cloudflare, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

195.136.69.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
195.136.69.0
Broadcast
195.136.69.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.086 , 17.0551
Hits / Errors
20 hits · 0 errors
First / Last seen
2024-01-30 08:35 · 2024-01-30 08:35
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-01-29 → 2024-02-05 · Updated 2026-01-14 · v2

217.182.77.0/24

Risk Max LOW Footprint 0.391% Hits 19
Prefix / IP version
/24 · IPv4
Network
217.182.77.0
Broadcast
217.182.77.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.098 , 17.0321
Hits / Errors
19 hits · 0 errors
First / Last seen
2025-05-30 00:58 · 2025-05-30 01:33
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

147.135.209.0/24

Risk Max LOW Footprint 0.391% Hits 19
Prefix / IP version
/24 · IPv4
Network
147.135.209.0
Broadcast
147.135.209.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.0958 , 17.0323
Hits / Errors
19 hits · 0 errors
First / Last seen
2025-05-30 00:57 · 2025-05-30 01:32
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

194.181.243.0/24

Risk Max LOW Footprint 0.391% Hits 19
Prefix / IP version
/24 · IPv4
Network
194.181.243.0
Broadcast
194.181.243.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.1141 , 17.1245
Hits / Errors
19 hits · 0 errors
First / Last seen
2025-01-11 19:47 · 2025-01-12 14:42
Top organization / ISP
Top geo
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2

193.28.84.0/24

Risk Max LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
193.28.84.0
Broadcast
193.28.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.0921 , 16.9374
Hits / Errors
18 hits · 2 errors
First / Last seen
2024-12-24 13:50 · 2024-12-24 13:50
Top ASN
Top geo
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2

89.64.0.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
89.64.0.0
Broadcast
89.64.0.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.1046 , 17.03
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-08-04 22:53 · 2025-08-04 22:53
Top ASN
AS9141 · P4 Sp. z o.o.
Top organization / ISP
Top geo
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

78.10.132.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
78.10.132.0
Broadcast
78.10.132.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.102 , 17.0504
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-01-03 16:10 · 2025-01-03 16:11
Top ASN
AS12741 · Netia SA
Top organization / ISP
Top geo
Window / Updated
2024-12-30 → 2025-01-06 · Updated 2026-01-14 · v2

83.27.150.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
83.27.150.0
Broadcast
83.27.150.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.104400000000005 , 17.053
Hits / Errors
15 hits · 2 errors
First / Last seen
2024-11-13 18:22 · 2024-11-13 18:23
Top ASN
Top geo
Window / Updated
2024-11-11 → 2024-11-18 · Updated 2026-01-14 · v2

217.182.79.0/24

Risk Max LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
217.182.79.0
Broadcast
217.182.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.098 , 17.0321
Hits / Errors
14 hits · 0 errors
First / Last seen
2025-05-30 01:02 · 2025-05-30 01:32
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

5.173.232.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
5.173.232.0
Broadcast
5.173.232.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.11769999999999 , 17.0387
Hits / Errors
12 hits · 1 errors
First / Last seen
2024-09-22 22:59 · 2024-09-22 23:01
Top ASN
AS201019 · P4 Sp. z o.o.
Top organization / ISP
Top geo
Window / Updated
2024-09-16 → 2024-09-23 · Updated 2026-01-14 · v2

83.4.205.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
83.4.205.0
Broadcast
83.4.205.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.1215 , 17.0505
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-11-10 10:00 · 2024-11-10 10:01
Top ASN
Top geo
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2

89.64.4.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
89.64.4.0
Broadcast
89.64.4.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.1046 , 17.03
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-05-20 00:02 · 2024-05-20 00:03
Top ASN
AS9141 · P4 Sp. z o.o.
Top organization / ISP
Top geo
Window / Updated
2024-05-13 → 2024-05-20 · Updated 2026-01-14 · v2

145.239.28.0/24

Risk Max LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
145.239.28.0
Broadcast
145.239.28.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.098 , 17.0321
Hits / Errors
7 hits · 3 errors
First / Last seen
2025-08-04 05:33 · 2025-08-05 06:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

93.159.55.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
93.159.55.0
Broadcast
93.159.55.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.1042 , 17.0356
Hits / Errors
6 hits · 0 errors
First / Last seen
2025-10-04 05:22 · 2025-10-04 05:22
Top ASN
AS12887 · Netia SA
Top organization / ISP
Top geo
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

83.26.209.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
83.26.209.0
Broadcast
83.26.209.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.1046 , 17.03
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-08-06 23:20 · 2025-08-06 23:20
Top ASN
Top geo
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

145.239.29.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
145.239.29.0
Broadcast
145.239.29.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.098 , 17.0321
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-08-02 20:01 · 2025-08-02 20:01
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

212.127.78.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
212.127.78.0
Broadcast
212.127.78.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.1086 , 16.9798
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-06-25 13:07 · 2025-06-25 13:07
Top ASN
AS35179 · Korbank S. A.
Top organization / ISP
Top geo
Window / Updated
2025-06-23 → 2025-06-30 · Updated 2026-01-14 · v2

93.159.59.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
93.159.59.0
Broadcast
93.159.59.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.1046 , 17.03
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-06-23 23:52 · 2025-06-23 23:52
Top ASN
AS12887 · Netia SA
Top organization / ISP
Top geo
Window / Updated
2025-06-23 → 2025-06-30 · Updated 2026-01-14 · v2

54.36.172.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
54.36.172.0
Broadcast
54.36.172.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.098 , 17.0321
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-01-25 08:02 · 2025-01-25 08:02
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2

51.83.152.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
51.83.152.0
Broadcast
51.83.152.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.098 , 17.0321
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-12-15 17:40 · 2024-12-15 17:40
Top ASN
AS16276 · OVH SAS
Top organization / ISP
— · OVH SAS
Top geo
Window / Updated
2024-12-09 → 2024-12-16 · Updated 2026-01-14 · v2

83.10.231.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
83.10.231.0
Broadcast
83.10.231.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.0786 , 16.9972
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-11-24 11:23 · 2024-11-24 11:23
Top ASN
Top geo
Window / Updated
2024-11-18 → 2024-11-25 · Updated 2026-01-14 · v2

78.11.8.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
78.11.8.0
Broadcast
78.11.8.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.1093 , 17.0386
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-09-20 11:36 · 2024-09-20 11:36
Top ASN
AS12741 · Netia SA
Top geo
Window / Updated
2024-09-16 → 2024-09-23 · Updated 2026-01-14 · v2

188.121.3.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
188.121.3.0
Broadcast
188.121.3.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.0616 , 17.0423
Hits / Errors
2 hits · 0 errors
First / Last seen
2023-10-19 19:34 · 2023-10-19 19:34
Top ASN
Top organization / ISP
Top geo
Window / Updated
2023-10-16 → 2023-10-23 · Updated 2026-01-14 · v2

31.60.48.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.60.48.0
Broadcast
31.60.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.1046 , 17.03
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-12-21 23:05 · 2025-12-21 23:05
Top ASN
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

145.239.31.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
145.239.31.0
Broadcast
145.239.31.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.098 , 17.0321
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-04 04:21 · 2025-08-04 04:21
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

104.28.129.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
104.28.129.0
Broadcast
104.28.129.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.101 , 17.0295
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-01 08:57 · 2025-08-01 08:57
Top ASN
AS13335 · Cloudflare, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

78.8.58.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.8.58.0
Broadcast
78.8.58.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.0851 , 17.042
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-06-02 15:06 · 2024-06-02 15:06
Top ASN
AS12741 · Netia SA
Top organization / ISP
Top geo
Window / Updated
2024-05-27 → 2024-06-03 · Updated 2026-01-14 · v2

54.36.175.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
54.36.175.0
Broadcast
54.36.175.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.098 , 17.0321
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-11-06 03:25 · 2023-11-06 03:25
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2023-11-06 → 2023-11-13 · Updated 2026-01-14 · v2

54.36.173.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
54.36.173.0
Broadcast
54.36.173.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.098 , 17.0321
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-10-27 12:10 · 2023-10-27 12:10
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2023-10-23 → 2023-10-30 · Updated 2026-01-14 · v2

78.10.134.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.10.134.0
Broadcast
78.10.134.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.102 , 17.0504
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-08-26 13:08 · 2023-08-26 13:08
Top ASN
AS12741 · Netia SA
Top organization / ISP
Top geo
Window / Updated
2023-08-21 → 2023-08-28 · Updated 2026-01-14 · v2

217.97.98.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
217.97.98.0
Broadcast
217.97.98.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.086 , 17.0551
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-21 21:40 · 2023-07-21 21:40
Top ASN
Top geo
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2