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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.

51.81.58.0/24

Risk Max 1 LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
51.81.58.0
Broadcast
51.81.58.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.958 , -77.3592
Hits / Errors
8 hits · 0 errors
First / Last seen
2023-08-21 01:17 · 2023-08-21 01:31
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2023-08-21 → 2023-08-28 · Updated 2026-01-14 · v2

135.148.55.0/24

Risk Max 1 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
135.148.55.0
Broadcast
135.148.55.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9609 , -77.3429
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-06-22 02:49 · 2025-06-22 02:49
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-06-16 → 2025-06-23 · Updated 2026-01-14 · v2

158.62.199.0/24

Risk Max LOW Footprint 14.844% Hits 54
Prefix / IP version
/24 · IPv4
Network
158.62.199.0
Broadcast
158.62.199.255
Observed IPs / Subnet size
38 observed · 256 total
Centroid
38.960900000000024 , -77.34290000000007
Hits / Errors
54 hits · 0 errors
First / Last seen
2025-02-03 01:11 · 2025-02-05 15:24
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-02-03 → 2025-02-10 · Updated 2026-01-14 · v2

135.148.195.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
135.148.195.0
Broadcast
135.148.195.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
38.958 , -77.3592
Hits / Errors
4 hits · 2 errors
First / Last seen
2025-04-28 03:03 · 2025-04-30 23:44
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2

135.148.25.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
135.148.25.0
Broadcast
135.148.25.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
38.9556 , -77.3651
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-03-03 06:00 · 2025-03-08 13:31
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2

51.81.111.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
51.81.111.0
Broadcast
51.81.111.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
38.958 , -77.3592
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-02-25 01:42 · 2025-02-25 01:43
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-02-24 → 2025-03-03 · Updated 2026-01-14 · v2

165.154.238.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
165.154.238.0
Broadcast
165.154.238.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
38.9609 , -77.3429
Hits / Errors
3 hits · 2 errors
First / Last seen
2025-10-07 12:16 · 2025-10-10 07:50
Top ASN
AS142002 · Scloud Pte Ltd
Top organization / ISP
Top geo
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

135.148.63.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
135.148.63.0
Broadcast
135.148.63.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
38.947 , -77.3426
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-03-04 15:53 · 2025-03-04 16:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
US · OVH SAS
Top geo
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2

23.27.236.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
23.27.236.0
Broadcast
23.27.236.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
38.9586 , -77.357
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-04-28 02:52 · 2025-04-30 06:49
Top ASN
AS40676 · Psychz Networks
Top organization / ISP
Top geo
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2

23.27.210.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
23.27.210.0
Broadcast
23.27.210.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
38.9586 , -77.357
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-04-29 11:24 · 2025-04-29 12:03
Top ASN
AS40676 · Psychz Networks
Top organization / ISP
Top geo
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2

135.148.213.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
135.148.213.0
Broadcast
135.148.213.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
38.9556 , -77.3651
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-02-24 06:00 · 2025-03-01 13:28
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-02-24 → 2025-03-03 · Updated 2026-01-14 · v2

135.148.10.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
135.148.10.0
Broadcast
135.148.10.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
38.9556 , -77.3651
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-02-24 05:53 · 2025-02-24 05:53
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-02-24 → 2025-03-03 · Updated 2026-01-14 · v2

92.29.20.0/24

Risk Max LOW Footprint 0.391% Hits 64
Prefix / IP version
/24 · IPv4
Network
92.29.20.0
Broadcast
92.29.20.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.774 , -2.7057
Hits / Errors
64 hits · 1 errors
First / Last seen
2025-07-21 21:32 · 2025-07-21 21:44
Top ASN
Top organization / ISP
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2

40.160.3.0/24

Risk Max LOW Footprint 0.391% Hits 27
Prefix / IP version
/24 · IPv4
Network
40.160.3.0
Broadcast
40.160.3.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.958 , -77.3592
Hits / Errors
27 hits · 5 errors
First / Last seen
2025-04-25 23:50 · 2025-04-25 23:51
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-04-21 → 2025-04-28 · Updated 2026-01-14 · v2

40.160.16.0/24

Risk Max LOW Footprint 0.391% Hits 24
Prefix / IP version
/24 · IPv4
Network
40.160.16.0
Broadcast
40.160.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.958 , -77.3592
Hits / Errors
24 hits · 6 errors
First / Last seen
2025-10-28 02:40 · 2025-10-28 02:40
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-10-27 → 2025-11-03 · Updated 2026-01-14 · v2

135.148.138.0/24

Risk Max LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
135.148.138.0
Broadcast
135.148.138.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.958 , -77.3592
Hits / Errors
21 hits · 3 errors
First / Last seen
2025-03-25 11:02 · 2025-03-30 17:22
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-03-24 → 2025-03-31 · Updated 2026-01-14 · v2

152.32.208.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
152.32.208.0
Broadcast
152.32.208.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9609 , -77.3429
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-08-13 03:45 · 2025-08-13 03:46
Top geo
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2

136.226.68.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
136.226.68.0
Broadcast
136.226.68.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9609 , -77.3429
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-04-25 20:57 · 2025-04-25 20:57
Top ASN
AS22616 · ZSCALER, INC.
Top organization / ISP
Top geo
Window / Updated
2025-04-21 → 2025-04-28 · Updated 2026-01-14 · v2

86.191.199.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
86.191.199.0
Broadcast
86.191.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.797 , -2.9305
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-04-21 20:13 · 2025-04-21 20:14
Top ASN
Top organization / ISP
Window / Updated
2025-04-21 → 2025-04-28 · Updated 2026-01-14 · v2

86.26.79.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
86.26.79.0
Broadcast
86.26.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.774 , -2.7057
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-04-08 21:57 · 2025-04-08 22:09
Top ASN
Top organization / ISP
Window / Updated
2025-04-07 → 2025-04-14 · Updated 2026-01-14 · v2

108.56.136.0/24

Risk Max LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
108.56.136.0
Broadcast
108.56.136.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.93 , -77.35
Hits / Errors
14 hits · 0 errors
First / Last seen
2025-04-04 05:01 · 2025-04-04 05:01
Top ASN
AS701 · Verizon Business
Top organization / ISP
Top geo
Window / Updated
2025-03-31 → 2025-04-07 · Updated 2026-01-14 · v2

141.156.185.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
141.156.185.0
Broadcast
141.156.185.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.93 , -77.35
Hits / Errors
12 hits · 1 errors
First / Last seen
2024-04-29 09:42 · 2024-04-29 09:51
Top ASN
AS701 · Verizon Business
Top organization / ISP
Top geo
Window / Updated
2024-04-29 → 2024-05-06 · Updated 2026-01-14 · v2

12.151.182.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
12.151.182.0
Broadcast
12.151.182.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.93 , -77.35
Hits / Errors
12 hits · 1 errors
First / Last seen
2024-01-09 22:03 · 2024-01-09 22:05
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-01-08 → 2024-01-15 · Updated 2026-01-14 · v2

72.13.46.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
72.13.46.0
Broadcast
72.13.46.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9567 , -77.3623
Hits / Errors
11 hits · 2 errors
First / Last seen
2025-09-11 22:07 · 2025-09-11 23:33
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

136.226.38.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
136.226.38.0
Broadcast
136.226.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9609 , -77.3429
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-11-19 18:43 · 2024-11-19 18:43
Top ASN
AS22616 · ZSCALER, INC.
Top organization / ISP
Top geo
Window / Updated
2024-11-18 → 2024-11-25 · Updated 2026-01-14 · v2

136.226.53.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
136.226.53.0
Broadcast
136.226.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9609 , -77.3429
Hits / Errors
11 hits · 1 errors
First / Last seen
2024-10-01 06:39 · 2024-10-01 06:55
Top ASN
AS22616 · ZSCALER, INC.
Top organization / ISP
Top geo
Window / Updated
2024-09-30 → 2024-10-07 · Updated 2026-01-14 · v2

135.148.149.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
135.148.149.0
Broadcast
135.148.149.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.958 , -77.3592
Hits / Errors
11 hits · 1 errors
First / Last seen
2024-09-27 04:27 · 2024-09-27 04:53
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2024-09-23 → 2024-09-30 · Updated 2026-01-14 · v2

135.148.237.0/24

Risk Max LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
135.148.237.0
Broadcast
135.148.237.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.958000000000006 , -77.3592
Hits / Errors
7 hits · 7 errors
First / Last seen
2023-11-19 11:08 · 2023-11-19 11:08
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2023-11-13 → 2023-11-20 · Updated 2026-01-14 · v2

152.32.149.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
152.32.149.0
Broadcast
152.32.149.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9609 , -77.3429
Hits / Errors
6 hits · 1 errors
First / Last seen
2025-03-10 22:44 · 2025-03-10 22:45
Top geo
Window / Updated
2025-03-10 → 2025-03-17 · Updated 2026-01-14 · v2

152.32.206.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
152.32.206.0
Broadcast
152.32.206.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9609 , -77.3429
Hits / Errors
4 hits · 4 errors
First / Last seen
2025-08-03 13:30 · 2025-08-03 13:30
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

94.72.182.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
94.72.182.0
Broadcast
94.72.182.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9609 , -77.3429
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-07-29 23:40 · 2025-08-01 22:43
Top ASN
AS29802 · HIVELOCITY, Inc.
Top organization / ISP
— · Primary
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

152.32.150.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
152.32.150.0
Broadcast
152.32.150.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9609 , -77.3429
Hits / Errors
4 hits · 2 errors
First / Last seen
2025-03-17 09:07 · 2025-03-17 09:08
Top geo
Window / Updated
2025-03-17 → 2025-03-24 · Updated 2026-01-14 · v2

15.204.238.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
15.204.238.0
Broadcast
15.204.238.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9609 , -77.3429
Hits / Errors
4 hits · 2 errors
First / Last seen
2025-02-07 04:55 · 2025-02-07 04:55
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-02-03 → 2025-02-10 · Updated 2026-01-14 · v2

82.43.197.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
82.43.197.0
Broadcast
82.43.197.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.7668 , -2.7217
Hits / Errors
4 hits · 2 errors
First / Last seen
2025-01-11 13:14 · 2025-01-11 13:15
Top ASN
Top organization / ISP
— · Virgin Media
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2

45.67.143.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
45.67.143.0
Broadcast
45.67.143.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9609 , -77.3429
Hits / Errors
4 hits · 0 errors
First / Last seen
2024-12-26 17:33 · 2024-12-26 17:33
Top ASN
Top geo
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2

15.204.216.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
15.204.216.0
Broadcast
15.204.216.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9609 , -77.3429
Hits / Errors
4 hits · 0 errors
First / Last seen
2024-06-03 23:36 · 2024-06-04 08:57
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2024-06-03 → 2024-06-10 · Updated 2026-01-14 · v2

206.212.240.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
206.212.240.0
Broadcast
206.212.240.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9586 , -77.357
Hits / Errors
4 hits · 2 errors
First / Last seen
2023-11-16 14:16 · 2023-11-18 17:15
Top ASN
AS400409 · Pulsar Networks Inc
Top organization / ISP
Top geo
Window / Updated
2023-11-13 → 2023-11-20 · Updated 2026-01-14 · v2

15.204.241.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
15.204.241.0
Broadcast
15.204.241.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9609 , -77.3429
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-09-14 02:33 · 2025-09-14 03:09
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

173.80.212.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
173.80.212.0
Broadcast
173.80.212.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.6637 , -82.7665
Hits / Errors
3 hits · 2 errors
First / Last seen
2025-02-02 03:44 · 2025-02-02 03:44
Top ASN
AS19108 · Optimum
Top organization / ISP
Window / Updated
2025-01-27 → 2025-02-03 · Updated 2026-01-14 · v2

15.204.183.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
15.204.183.0
Broadcast
15.204.183.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.9609 , -77.3429
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-24 21:30 · 2025-10-24 21:30
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2025-10-20 → 2025-10-27 · Updated 2026-01-14 · v2
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