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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.

217.154.91.0/24

Risk Max 100 HIGH Footprint 0.391% Hits 3186
Prefix / IP version
/24 · IPv4
Network
217.154.91.0
Broadcast
217.154.91.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.52 , 13.404999999999998
Hits / Errors
3186 hits · 138 errors
First / Last seen
2025-05-22 20:22 · 2025-05-23 18:37
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

217.154.5.0/24

Risk Max 55 MED Footprint 0.391% Hits 1078
Prefix / IP version
/24 · IPv4
Network
217.154.5.0
Broadcast
217.154.5.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8575 , 2.35138
Hits / Errors
1078 hits · 244 errors
First / Last seen
2025-02-12 20:23 · 2025-02-16 14:01
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Top geo
Window / Updated
2025-02-10 → 2025-02-17 · Updated 2026-01-14 · v2

74.208.77.0/24

Risk Max 36 MED Footprint 0.391% Hits 330
Prefix / IP version
/24 · IPv4
Network
74.208.77.0
Broadcast
74.208.77.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.1008 , -94.5811
Hits / Errors
330 hits · 149 errors
First / Last seen
2025-05-21 18:56 · 2025-05-21 18:59
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

212.227.28.0/24

Risk Max 36 MED Footprint 0.391% Hits 269
Prefix / IP version
/24 · IPv4
Network
212.227.28.0
Broadcast
212.227.28.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8575 , 2.35138
Hits / Errors
269 hits · 61 errors
First / Last seen
2025-02-14 17:15 · 2025-02-14 17:19
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Top geo
Window / Updated
2025-02-10 → 2025-02-17 · 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

217.154.226.0/24

Risk Max 34 LOW Footprint 0.391% Hits 312
Prefix / IP version
/24 · IPv4
Network
217.154.226.0
Broadcast
217.154.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.52 , 13.405
Hits / Errors
312 hits · 139 errors
First / Last seen
2025-06-24 10:27 · 2025-06-24 10:33
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-06-23 → 2025-06-30 · Updated 2026-01-14 · v2

85.215.166.0/24

Risk Max 20 LOW Footprint 0.391% Hits 71
Prefix / IP version
/24 · IPv4
Network
85.215.166.0
Broadcast
85.215.166.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.5234 , 13.3224
Hits / Errors
71 hits · 0 errors
First / Last seen
2023-09-04 02:57 · 2023-09-04 02:59
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2023-09-04 → 2023-09-11 · Updated 2026-01-14 · v2

216.225.199.0/24

Risk Max 19 LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
216.225.199.0
Broadcast
216.225.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.8781 , -87.6298
Hits / Errors
8 hits · 0 errors
First / Last seen
2025-02-08 12:24 · 2025-02-08 12:52
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-02-03 → 2025-02-10 · 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

85.215.190.0/24

Risk Max 10 LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
85.215.190.0
Broadcast
85.215.190.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.110899999999994 , 8.68213
Hits / Errors
12 hits · 8 errors
First / Last seen
2025-05-20 11:31 · 2025-05-24 03:04
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-05-19 → 2025-05-26 · 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

85.215.191.0/24

Risk Max 9 LOW Footprint 0.391% Hits 48
Prefix / IP version
/24 · IPv4
Network
85.215.191.0
Broadcast
85.215.191.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.5234 , 13.3224
Hits / Errors
48 hits · 44 errors
First / Last seen
2024-11-08 14:49 · 2024-11-08 14:50
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2

194.164.167.0/24

Risk Max 9 LOW Footprint 0.391% Hits 46
Prefix / IP version
/24 · IPv4
Network
194.164.167.0
Broadcast
194.164.167.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.4167 , -3.70329
Hits / Errors
46 hits · 42 errors
First / Last seen
2024-06-04 03:47 · 2024-06-04 03:48
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Top geo
Window / Updated
2024-06-03 → 2024-06-10 · Updated 2026-01-14 · v2

217.154.1.0/24

Risk Max 9 LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
217.154.1.0
Broadcast
217.154.1.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8575 , 2.35138
Hits / Errors
15 hits · 6 errors
First / Last seen
2025-09-15 15:23 · 2025-09-15 15:23
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

82.165.252.0/24

Risk Max 8 LOW Footprint 0.391% Hits 24
Prefix / IP version
/24 · IPv4
Network
82.165.252.0
Broadcast
82.165.252.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.45759999999999 , 7.02246
Hits / Errors
24 hits · 0 errors
First / Last seen
2024-05-28 04:50 · 2024-05-28 04:51
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2024-05-27 → 2024-06-03 · Updated 2026-01-14 · v2

104.192.4.0/24

Risk Max 8 LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
104.192.4.0
Broadcast
104.192.4.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.1384 , -95.60110000000002
Hits / Errors
3 hits · 0 errors
First / Last seen
2024-02-18 05:56 · 2024-02-18 05:56
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2024-02-12 → 2024-02-19 · Updated 2026-01-14 · v2

85.215.146.0/24

Risk Max 6 LOW Footprint 0.391% Hits 28
Prefix / IP version
/24 · IPv4
Network
85.215.146.0
Broadcast
85.215.146.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.00690000000001 , 8.40365
Hits / Errors
28 hits · 3 errors
First / Last seen
2025-03-05 19:09 · 2025-03-05 19:10
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2

85.215.125.0/24

Risk Max 4 LOW Footprint 0.391% Hits 169
Prefix / IP version
/24 · IPv4
Network
85.215.125.0
Broadcast
85.215.125.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.5234 , 13.3224
Hits / Errors
169 hits · 80 errors
First / Last seen
2023-11-11 12:04 · 2023-11-11 12:51
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2023-11-06 → 2023-11-13 · Updated 2026-01-14 · v2

74.208.98.0/24

Risk Max 4 LOW Footprint 0.391% Hits 36
Prefix / IP version
/24 · IPv4
Network
74.208.98.0
Broadcast
74.208.98.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.7128 , -74.006
Hits / Errors
36 hits · 0 errors
First / Last seen
2024-01-12 19:34 · 2024-01-12 19:34
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2024-01-08 → 2024-01-15 · Updated 2026-01-14 · v2

82.165.16.0/24

Risk Max 4 LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
82.165.16.0
Broadcast
82.165.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.52 , 13.405
Hits / Errors
12 hits · 5 errors
First / Last seen
2025-09-29 05:32 · 2025-09-29 12:32
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

194.164.169.0/24

Risk Max 4 LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
194.164.169.0
Broadcast
194.164.169.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.4167 , -3.70329
Hits / Errors
11 hits · 9 errors
First / Last seen
2025-07-21 10:50 · 2025-07-21 10:50
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Top geo
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2

212.227.3.0/24

Risk Max 4 LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
212.227.3.0
Broadcast
212.227.3.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.52 , 13.404999999999998
Hits / Errors
5 hits · 3 errors
First / Last seen
2025-11-06 08:02 · 2025-11-06 08:02
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

85.214.12.0/24

Risk Max 4 LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
85.214.12.0
Broadcast
85.214.12.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.5234 , 13.3225
Hits / Errors
5 hits · 3 errors
First / Last seen
2025-09-08 20:41 · 2025-09-08 20:41
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

87.106.81.0/24

Risk Max 3 LOW Footprint 0.391% Hits 100
Prefix / IP version
/24 · IPv4
Network
87.106.81.0
Broadcast
87.106.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.52 , 13.405
Hits / Errors
100 hits · 93 errors
First / Last seen
2025-01-08 14:57 · 2025-01-08 15:01
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2

212.132.115.0/24

Risk Max 3 LOW Footprint 0.391% Hits 71
Prefix / IP version
/24 · IPv4
Network
212.132.115.0
Broadcast
212.132.115.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.52 , 13.405
Hits / Errors
71 hits · 37 errors
First / Last seen
2025-05-27 11:47 · 2025-05-29 06:42
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

77.68.78.0/24

Risk Max 3 LOW Footprint 0.391% Hits 10
Prefix / IP version
/24 · IPv4
Network
77.68.78.0
Broadcast
77.68.78.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5072 , -0.127586
Hits / Errors
10 hits · 9 errors
First / Last seen
2025-03-16 20:33 · 2025-03-16 20:34
Top ASN
AS8560 · IONOS SE
Top geo
Window / Updated
2025-03-10 → 2025-03-17 · Updated 2026-01-14 · v2

85.184.248.0/24

Risk Max 2 LOW Footprint 0.391% Hits 28
Prefix / IP version
/24 · IPv4
Network
85.184.248.0
Broadcast
85.184.248.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1109 , 8.68213
Hits / Errors
28 hits · 12 errors
First / Last seen
2023-12-12 15:35 · 2023-12-12 15:37
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2023-12-11 → 2023-12-18 · Updated 2026-01-14 · v2

87.106.59.0/24

Risk Max 2 LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
87.106.59.0
Broadcast
87.106.59.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1101 , 8.6721
Hits / Errors
8 hits · 4 errors
First / Last seen
2025-01-14 09:36 · 2025-01-14 09:36
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-01-13 → 2025-01-20 · Updated 2026-01-14 · v2

77.68.84.0/24

Risk Max 2 LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
77.68.84.0
Broadcast
77.68.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.50719999999999 , -0.127586
Hits / Errors
6 hits · 4 errors
First / Last seen
2025-07-19 20:19 · 2025-07-19 20:19
Top ASN
AS8560 · IONOS SE
Top geo
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2

82.165.208.0/24

Risk Max 2 LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
82.165.208.0
Broadcast
82.165.208.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.7128 , -74.006
Hits / Errors
6 hits · 4 errors
First / Last seen
2024-05-28 18:06 · 2024-05-29 01:52
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2024-05-27 → 2024-06-03 · Updated 2026-01-14 · v2

212.132.117.0/24

Risk Max 2 LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
212.132.117.0
Broadcast
212.132.117.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.52 , 13.405
Hits / Errors
4 hits · 2 errors
First / Last seen
2025-11-06 10:19 · 2025-11-06 10:19
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

74.208.59.0/24

Risk Max 1 LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
74.208.59.0
Broadcast
74.208.59.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
39.1008 , -94.5811
Hits / Errors
4 hits · 2 errors
First / Last seen
2025-04-21 11:19 · 2025-04-21 12:23
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-04-21 → 2025-04-28 · Updated 2026-01-14 · v2

217.160.38.0/24

Risk Max 1 LOW Footprint 0.391% Hits 189
Prefix / IP version
/24 · IPv4
Network
217.160.38.0
Broadcast
217.160.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1109 , 8.68213
Hits / Errors
189 hits · 0 errors
First / Last seen
2025-08-03 19:43 · 2025-08-03 19:43
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

82.165.84.0/24

Risk Max 1 LOW Footprint 0.391% Hits 97
Prefix / IP version
/24 · IPv4
Network
82.165.84.0
Broadcast
82.165.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4576 , 7.022460000000001
Hits / Errors
97 hits · 62 errors
First / Last seen
2025-05-30 19:10 · 2025-05-30 19:15
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

82.165.236.0/24

Risk Max 1 LOW Footprint 0.391% Hits 54
Prefix / IP version
/24 · IPv4
Network
82.165.236.0
Broadcast
82.165.236.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4576 , 7.02246
Hits / Errors
54 hits · 54 errors
First / Last seen
2023-11-06 05:17 · 2023-11-06 09:20
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2023-11-06 → 2023-11-13 · Updated 2026-01-14 · v2

74.208.106.0/24

Risk Max 1 LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
74.208.106.0
Broadcast
74.208.106.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.7128 , -74.006
Hits / Errors
17 hits · 0 errors
First / Last seen
2024-02-13 02:47 · 2024-02-13 02:47
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2024-02-12 → 2024-02-19 · Updated 2026-01-14 · v2

85.215.76.0/24

Risk Max 1 LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
85.215.76.0
Broadcast
85.215.76.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.5232 , 13.3214
Hits / Errors
17 hits · 0 errors
First / Last seen
2023-12-09 16:04 · 2023-12-09 16:05
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2023-12-04 → 2023-12-11 · Updated 2026-01-14 · v2

82.223.14.0/24

Risk Max 1 LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
82.223.14.0
Broadcast
82.223.14.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.4167 , -3.70329
Hits / Errors
17 hits · 0 errors
First / Last seen
2023-11-09 07:32 · 2023-11-09 07:33
Top ASN
AS8560 · IONOS SE
Top organization / ISP
— · arsys.es
Top geo
Window / Updated
2023-11-06 → 2023-11-13 · Updated 2026-01-14 · v2

77.68.111.0/24

Risk Max 1 LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
77.68.111.0
Broadcast
77.68.111.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5072 , -0.127586
Hits / Errors
8 hits · 3 errors
First / Last seen
2023-12-05 20:35 · 2023-12-06 14:48
Top ASN
AS8560 · IONOS SE
Top geo
Window / Updated
2023-12-04 → 2023-12-11 · Updated 2026-01-14 · v2

212.227.199.0/24

Risk Max 1 LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
212.227.199.0
Broadcast
212.227.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5072 , -0.127586
Hits / Errors
7 hits · 3 errors
First / Last seen
2023-12-07 17:22 · 2023-12-07 17:22
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Top geo
Window / Updated
2023-12-04 → 2023-12-11 · Updated 2026-01-14 · v2
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