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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.

51.89.111.0/24

Risk Max 70 HIGH Footprint 0.391% Hits 329
Prefix / IP version
/24 · IPv4
Network
51.89.111.0
Broadcast
51.89.111.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5081 , -0.1278
Hits / Errors
329 hits · 218 errors
First / Last seen
2024-01-28 04:25 · 2024-01-28 04:27
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2024-01-22 → 2024-01-29 · Updated 2026-01-14 · v2

132.145.42.0/24

Risk Max 54 MED Footprint 0.391% Hits 485
Prefix / IP version
/24 · IPv4
Network
132.145.42.0
Broadcast
132.145.42.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.51769999999999 , -0.6215
Hits / Errors
485 hits · 86 errors
First / Last seen
2025-04-21 16:57 · 2025-04-23 18:43
Top ASN
AS31898 · Oracle Corporation
Top geo
Window / Updated
2025-04-21 → 2025-04-28 · Updated 2026-01-14 · v2

178.79.160.0/24

Risk Max 40 MED Footprint 0.391% Hits 151
Prefix / IP version
/24 · IPv4
Network
178.79.160.0
Broadcast
178.79.160.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5081 , -0.1278
Hits / Errors
151 hits · 0 errors
First / Last seen
2023-08-28 09:59 · 2023-08-28 10:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2023-08-28 → 2023-09-04 · Updated 2026-01-14 · v2

217.154.51.0/24

Risk Max 35 MED Footprint 0.391% Hits 269
Prefix / IP version
/24 · IPv4
Network
217.154.51.0
Broadcast
217.154.51.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5072 , -0.127586
Hits / Errors
269 hits · 61 errors
First / Last seen
2025-03-05 11:45 · 2025-03-05 11:48
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Top geo
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2

172.167.5.0/24

Risk Max 34 LOW Footprint 0.391% Hits 1671
Prefix / IP version
/24 · IPv4
Network
172.167.5.0
Broadcast
172.167.5.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5113 , -0.079212
Hits / Errors
1671 hits · 817 errors
First / Last seen
2024-12-02 15:27 · 2024-12-07 18:00
Top ASN
Top organization / ISP
Window / Updated
2024-12-02 → 2024-12-09 · Updated 2026-01-14 · v2

195.191.219.0/24

Risk Max 28 LOW Footprint 1.562% Hits 1395
Prefix / IP version
/24 · IPv4
Network
195.191.219.0
Broadcast
195.191.219.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
51.50809999999999 , -0.1278
Hits / Errors
1395 hits · 159 errors
First / Last seen
2025-05-19 08:37 · 2025-05-22 13:05
Top ASN
Top geo
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

3.10.213.0/24

Risk Max 20 LOW Footprint 0.391% Hits 130
Prefix / IP version
/24 · IPv4
Network
3.10.213.0
Broadcast
3.10.213.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
130 hits · 0 errors
First / Last seen
2025-09-15 00:22 · 2025-09-15 00:22
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

20.117.181.0/24

Risk Max 20 LOW Footprint 0.391% Hits 71
Prefix / IP version
/24 · IPv4
Network
20.117.181.0
Broadcast
20.117.181.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5113 , -0.079212
Hits / Errors
71 hits · 0 errors
First / Last seen
2023-07-13 19:18 · 2023-07-13 19:20
Top ASN
Window / Updated
2023-07-10 → 2023-07-17 · Updated 2026-01-14 · v2

8.208.28.0/24

Risk Max 15 LOW Footprint 0.391% Hits 94
Prefix / IP version
/24 · IPv4
Network
8.208.28.0
Broadcast
8.208.28.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.508100000000006 , -0.1278
Hits / Errors
94 hits · 88 errors
First / Last seen
2025-02-21 23:28 · 2025-02-21 23:28
Top geo
Window / Updated
2025-02-17 → 2025-02-24 · Updated 2026-01-14 · v2

198.244.229.0/24

Risk Max 14 LOW Footprint 0.391% Hits 286
Prefix / IP version
/24 · IPv4
Network
198.244.229.0
Broadcast
198.244.229.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5081 , -0.1278
Hits / Errors
286 hits · 110 errors
First / Last seen
2025-07-29 08:35 · 2025-07-29 08:36
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

78.153.140.0/24

Risk Max 12 LOW Footprint 0.781% Hits 51
Prefix / IP version
/24 · IPv4
Network
78.153.140.0
Broadcast
78.153.140.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
51.5164 , -0.09300000000000001
Hits / Errors
51 hits · 0 errors
First / Last seen
2025-12-29 18:32 · 2025-12-30 20:13
Top ASN
AS202306 · HOSTGLOBAL.PLUS LTD
Top organization / ISP
Window / Updated
2025-12-29 → 2026-01-05 · Updated 2026-01-14 · v2

196.241.66.0/24

Risk Max 11 LOW Footprint 0.391% Hits 71
Prefix / IP version
/24 · IPv4
Network
196.241.66.0
Broadcast
196.241.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5081 , -0.1278
Hits / Errors
71 hits · 65 errors
First / Last seen
2025-03-31 17:35 · 2025-03-31 17:38
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-03-31 → 2025-04-07 · Updated 2026-01-14 · v2

109.228.37.0/24

Risk Max 11 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
109.228.37.0
Broadcast
109.228.37.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5072 , -0.127586
Hits / Errors
2 hits · 0 errors
First / Last seen
2023-12-13 06:56 · 2023-12-13 06:56
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Top geo
Window / Updated
2023-12-11 → 2023-12-18 · Updated 2026-01-14 · v2

87.106.199.0/24

Risk Max 9 LOW Footprint 0.391% Hits 94
Prefix / IP version
/24 · IPv4
Network
87.106.199.0
Broadcast
87.106.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.507200000000005 , -0.127586
Hits / Errors
94 hits · 86 errors
First / Last seen
2024-09-30 08:43 · 2024-10-01 09:06
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Top geo
Window / Updated
2024-09-30 → 2024-10-07 · Updated 2026-01-14 · v2

132.145.74.0/24

Risk Max 9 LOW Footprint 0.391% Hits 49
Prefix / IP version
/24 · IPv4
Network
132.145.74.0
Broadcast
132.145.74.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5177 , -0.6215
Hits / Errors
49 hits · 44 errors
First / Last seen
2025-01-03 18:18 · 2025-01-03 18:20
Top ASN
AS31898 · Oracle Corporation
Top geo
Window / Updated
2024-12-30 → 2025-01-06 · Updated 2026-01-14 · v2

144.21.57.0/24

Risk Max 9 LOW Footprint 0.391% Hits 47
Prefix / IP version
/24 · IPv4
Network
144.21.57.0
Broadcast
144.21.57.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.51769999999999 , -0.6215
Hits / Errors
47 hits · 44 errors
First / Last seen
2024-12-10 08:40 · 2024-12-10 08:43
Top ASN
AS31898 · Oracle Corporation
Top geo
Window / Updated
2024-12-09 → 2024-12-16 · Updated 2026-01-14 · v2

8.211.199.0/24

Risk Max 9 LOW Footprint 0.391% Hits 47
Prefix / IP version
/24 · IPv4
Network
8.211.199.0
Broadcast
8.211.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.508100000000006 , -0.1278
Hits / Errors
47 hits · 44 errors
First / Last seen
2024-11-16 08:30 · 2024-11-16 08:32
Top geo
Window / Updated
2024-11-11 → 2024-11-18 · Updated 2026-01-14 · v2

8.208.79.0/24

Risk Max 9 LOW Footprint 0.391% Hits 46
Prefix / IP version
/24 · IPv4
Network
8.208.79.0
Broadcast
8.208.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.508100000000006 , -0.1278
Hits / Errors
46 hits · 43 errors
First / Last seen
2024-09-28 00:45 · 2024-09-28 00:47
Top geo
Window / Updated
2024-09-23 → 2024-09-30 · Updated 2026-01-14 · v2

35.178.113.0/24

Risk Max 8 LOW Footprint 0.391% Hits 136
Prefix / IP version
/24 · IPv4
Network
35.178.113.0
Broadcast
35.178.113.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
136 hits · 124 errors
First / Last seen
2023-10-21 08:26 · 2023-10-21 11:30
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-10-16 → 2023-10-23 · Updated 2026-01-14 · v2

18.170.98.0/24

Risk Max 8 LOW Footprint 0.391% Hits 95
Prefix / IP version
/24 · IPv4
Network
18.170.98.0
Broadcast
18.170.98.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
95 hits · 63 errors
First / Last seen
2023-11-03 06:03 · 2023-11-03 06:59
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-10-30 → 2023-11-06 · Updated 2026-01-14 · v2

8.211.222.0/24

Risk Max 8 LOW Footprint 0.391% Hits 46
Prefix / IP version
/24 · IPv4
Network
8.211.222.0
Broadcast
8.211.222.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.508100000000006 , -0.1278
Hits / Errors
46 hits · 43 errors
First / Last seen
2024-10-02 16:08 · 2024-10-02 16:13
Top geo
Window / Updated
2024-09-30 → 2024-10-07 · Updated 2026-01-14 · v2

179.61.253.0/24

Risk Max 7 LOW Footprint 1.172% Hits 199
Prefix / IP version
/24 · IPv4
Network
179.61.253.0
Broadcast
179.61.253.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
51.507200000000005 , -0.127586
Hits / Errors
199 hits · 0 errors
First / Last seen
2024-11-11 07:08 · 2024-11-15 01:55
Top ASN
Top organization / ISP
Ipxo · IPXO
Top geo
Window / Updated
2024-11-11 → 2024-11-18 · Updated 2026-01-14 · v2

18.169.157.0/24

Risk Max 7 LOW Footprint 0.391% Hits 93
Prefix / IP version
/24 · IPv4
Network
18.169.157.0
Broadcast
18.169.157.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
93 hits · 67 errors
First / Last seen
2023-11-05 06:11 · 2023-11-05 09:27
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-10-30 → 2023-11-06 · Updated 2026-01-14 · v2

13.40.23.0/24

Risk Max 6 LOW Footprint 0.391% Hits 84
Prefix / IP version
/24 · IPv4
Network
13.40.23.0
Broadcast
13.40.23.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
84 hits · 65 errors
First / Last seen
2023-11-11 08:31 · 2023-11-11 11:47
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-11-06 → 2023-11-13 · Updated 2026-01-14 · v2

13.40.170.0/24

Risk Max 6 LOW Footprint 0.391% Hits 59
Prefix / IP version
/24 · IPv4
Network
13.40.170.0
Broadcast
13.40.170.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
59 hits · 28 errors
First / Last seen
2023-12-19 06:30 · 2023-12-19 09:08
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-12-18 → 2023-12-25 · Updated 2026-01-14 · v2

193.218.35.0/24

Risk Max 5 LOW Footprint 0.391% Hits 574
Prefix / IP version
/24 · IPv4
Network
193.218.35.0
Broadcast
193.218.35.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5081 , -0.1278
Hits / Errors
574 hits · 0 errors
First / Last seen
2024-01-05 01:35 · 2024-01-05 01:43
Top ASN
AS62240 · Clouvider
Top geo
Window / Updated
2024-01-01 → 2024-01-08 · Updated 2026-01-14 · v2

18.132.16.0/24

Risk Max 5 LOW Footprint 0.391% Hits 68
Prefix / IP version
/24 · IPv4
Network
18.132.16.0
Broadcast
18.132.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
68 hits · 62 errors
First / Last seen
2023-10-31 06:04 · 2023-10-31 07:27
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-10-30 → 2023-11-06 · Updated 2026-01-14 · v2

52.56.213.0/24

Risk Max 5 LOW Footprint 0.391% Hits 53
Prefix / IP version
/24 · IPv4
Network
52.56.213.0
Broadcast
52.56.213.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
53 hits · 26 errors
First / Last seen
2023-12-14 16:10 · 2023-12-15 01:39
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-12-11 → 2023-12-18 · Updated 2026-01-14 · v2

20.90.176.0/24

Risk Max 5 LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
20.90.176.0
Broadcast
20.90.176.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5113 , -0.079212
Hits / Errors
21 hits · 19 errors
First / Last seen
2025-06-23 15:05 · 2025-06-23 15:05
Top ASN
Window / Updated
2025-06-23 → 2025-06-30 · Updated 2026-01-14 · v2

18.132.203.0/24

Risk Max 4 LOW Footprint 0.391% Hits 68
Prefix / IP version
/24 · IPv4
Network
18.132.203.0
Broadcast
18.132.203.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
68 hits · 62 errors
First / Last seen
2023-10-29 06:10 · 2023-10-29 09:16
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-10-23 → 2023-10-30 · Updated 2026-01-14 · v2

18.130.38.0/24

Risk Max 4 LOW Footprint 0.391% Hits 68
Prefix / IP version
/24 · IPv4
Network
18.130.38.0
Broadcast
18.130.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
68 hits · 62 errors
First / Last seen
2023-10-25 07:04 · 2023-10-25 09:06
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-10-23 → 2023-10-30 · Updated 2026-01-14 · v2

18.170.223.0/24

Risk Max 4 LOW Footprint 0.391% Hits 68
Prefix / IP version
/24 · IPv4
Network
18.170.223.0
Broadcast
18.170.223.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
68 hits · 62 errors
First / Last seen
2023-10-23 07:22 · 2023-10-23 11:31
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-10-23 → 2023-10-30 · Updated 2026-01-14 · v2

35.176.45.0/24

Risk Max 4 LOW Footprint 0.391% Hits 67
Prefix / IP version
/24 · IPv4
Network
35.176.45.0
Broadcast
35.176.45.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
67 hits · 61 errors
First / Last seen
2023-10-27 07:03 · 2023-10-27 07:54
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-10-23 → 2023-10-30 · Updated 2026-01-14 · v2

8.208.47.0/24

Risk Max 4 LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
8.208.47.0
Broadcast
8.208.47.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5081 , -0.1278
Hits / Errors
17 hits · 16 errors
First / Last seen
2025-09-08 03:33 · 2025-09-08 03:35
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · 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

85.203.36.0/24

Risk Max 3 LOW Footprint 5.078% Hits 15
Prefix / IP version
/24 · IPv4
Network
85.203.36.0
Broadcast
85.203.36.255
Observed IPs / Subnet size
13 observed · 256 total
Centroid
51.508100000000006 , -0.1278
Hits / Errors
15 hits · 0 errors
First / Last seen
2024-10-07 17:00 · 2024-10-07 17:44
Top ASN
AS62240 · Clouvider
Top organization / ISP
Top geo
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2

154.51.142.0/24

Risk Max 3 LOW Footprint 0.391% Hits 830
Prefix / IP version
/24 · IPv4
Network
154.51.142.0
Broadcast
154.51.142.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5081 , -0.1278
Hits / Errors
830 hits · 816 errors
First / Last seen
2025-09-30 20:57 · 2025-09-30 21:12
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

81.17.57.0/24

Risk Max 3 LOW Footprint 0.391% Hits 130
Prefix / IP version
/24 · IPv4
Network
81.17.57.0
Broadcast
81.17.57.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5182 , -0.0905412
Hits / Errors
130 hits · 0 errors
First / Last seen
2025-05-01 01:24 · 2025-05-01 01:42
Top ASN
AS205544 · Leaseweb UK Limited
Top organization / ISP
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2

109.74.204.0/24

Risk Max 3 LOW Footprint 0.391% Hits 104
Prefix / IP version
/24 · IPv4
Network
109.74.204.0
Broadcast
109.74.204.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5081 , -0.1278
Hits / Errors
104 hits · 37 errors
First / Last seen
2024-11-05 05:55 · 2024-11-05 05:56
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2

13.40.106.0/24

Risk Max 3 LOW Footprint 0.391% Hits 46
Prefix / IP version
/24 · IPv4
Network
13.40.106.0
Broadcast
13.40.106.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.507400000000004 , -0.127758
Hits / Errors
46 hits · 24 errors
First / Last seen
2024-01-25 22:49 · 2024-01-26 06:19
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-01-22 → 2024-01-29 · Updated 2026-01-14 · v2
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