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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.

37.204.208.0/24

Risk Max 3 LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
37.204.208.0
Broadcast
37.204.208.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.74870000000001 , 37.6187
Hits / Errors
3 hits · 1 errors
First / Last seen
2025-03-01 02:46 · 2025-03-01 02:46
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-02-24 → 2025-03-03 · Updated 2026-01-14 · v2

77.37.241.0/24

Risk Max LOW Footprint 0.781% Hits 16
Prefix / IP version
/24 · IPv4
Network
77.37.241.0
Broadcast
77.37.241.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
16 hits · 1 errors
First / Last seen
2024-05-23 06:41 · 2024-05-25 09:09
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2024-05-20 → 2024-05-27 · Updated 2026-01-14 · v2

46.242.14.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
46.242.14.0
Broadcast
46.242.14.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 00:44 · 2025-12-17 08:23
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

188.32.188.0/24

Risk Max LOW Footprint 0.391% Hits 97
Prefix / IP version
/24 · IPv4
Network
188.32.188.0
Broadcast
188.32.188.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.74869999999999 , 37.6187
Hits / Errors
97 hits · 0 errors
First / Last seen
2025-01-16 05:03 · 2025-01-16 05:03
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-01-13 → 2025-01-20 · Updated 2026-01-14 · v2

37.204.93.0/24

Risk Max LOW Footprint 0.391% Hits 64
Prefix / IP version
/24 · IPv4
Network
37.204.93.0
Broadcast
37.204.93.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
64 hits · 0 errors
First / Last seen
2024-09-16 04:03 · 2024-09-16 04:10
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2024-09-16 → 2024-09-23 · Updated 2026-01-14 · v2

37.204.132.0/24

Risk Max LOW Footprint 0.391% Hits 44
Prefix / IP version
/24 · IPv4
Network
37.204.132.0
Broadcast
37.204.132.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.4501 , 37.7467
Hits / Errors
44 hits · 0 errors
First / Last seen
2025-09-06 16:44 · 2025-09-06 16:44
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Window / Updated
2025-09-01 → 2025-09-08 · Updated 2026-01-14 · v2

188.32.7.0/24

Risk Max LOW Footprint 0.391% Hits 36
Prefix / IP version
/24 · IPv4
Network
188.32.7.0
Broadcast
188.32.7.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
36 hits · 0 errors
First / Last seen
2025-05-22 11:32 · 2025-05-22 11:32
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

109.173.116.0/24

Risk Max LOW Footprint 0.391% Hits 36
Prefix / IP version
/24 · IPv4
Network
109.173.116.0
Broadcast
109.173.116.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
36 hits · 1 errors
First / Last seen
2025-05-15 00:15 · 2025-05-15 00:16
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-05-12 → 2025-05-19 · Updated 2026-01-14 · v2

37.204.84.0/24

Risk Max LOW Footprint 0.391% Hits 34
Prefix / IP version
/24 · IPv4
Network
37.204.84.0
Broadcast
37.204.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
34 hits · 0 errors
First / Last seen
2025-02-13 12:48 · 2025-02-13 12:48
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-02-10 → 2025-02-17 · Updated 2026-01-14 · v2

90.154.76.0/24

Risk Max LOW Footprint 0.391% Hits 33
Prefix / IP version
/24 · IPv4
Network
90.154.76.0
Broadcast
90.154.76.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
33 hits · 0 errors
First / Last seen
2025-02-21 03:34 · 2025-02-21 03:34
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
Top geo
Window / Updated
2025-02-17 → 2025-02-24 · Updated 2026-01-14 · v2

37.110.50.0/24

Risk Max LOW Footprint 0.391% Hits 33
Prefix / IP version
/24 · IPv4
Network
37.110.50.0
Broadcast
37.110.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
33 hits · 0 errors
First / Last seen
2024-12-23 14:33 · 2024-12-23 14:34
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2

77.37.187.0/24

Risk Max LOW Footprint 0.391% Hits 33
Prefix / IP version
/24 · IPv4
Network
77.37.187.0
Broadcast
77.37.187.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
33 hits · 0 errors
First / Last seen
2024-12-02 11:52 · 2024-12-02 11:52
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2024-12-02 → 2024-12-09 · Updated 2026-01-14 · v2

5.228.64.0/24

Risk Max LOW Footprint 0.391% Hits 31
Prefix / IP version
/24 · IPv4
Network
5.228.64.0
Broadcast
5.228.64.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
31 hits · 0 errors
First / Last seen
2023-10-21 12:53 · 2023-10-21 12:54
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2023-10-16 → 2023-10-23 · Updated 2026-01-14 · v2

95.84.130.0/24

Risk Max LOW Footprint 0.391% Hits 28
Prefix / IP version
/24 · IPv4
Network
95.84.130.0
Broadcast
95.84.130.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
28 hits · 0 errors
First / Last seen
2025-04-06 17:48 · 2025-04-06 17:48
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-03-31 → 2025-04-07 · Updated 2026-01-14 · v2

5.228.144.0/24

Risk Max LOW Footprint 0.391% Hits 22
Prefix / IP version
/24 · IPv4
Network
5.228.144.0
Broadcast
5.228.144.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.74869999999999 , 37.6187
Hits / Errors
22 hits · 0 errors
First / Last seen
2025-02-03 08:36 · 2025-02-03 08:36
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-02-03 → 2025-02-10 · Updated 2026-01-14 · v2

77.37.131.0/24

Risk Max LOW Footprint 0.391% Hits 22
Prefix / IP version
/24 · IPv4
Network
77.37.131.0
Broadcast
77.37.131.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.74869999999999 , 37.6187
Hits / Errors
22 hits · 2 errors
First / Last seen
2024-11-27 21:34 · 2024-11-27 21:34
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2024-11-25 → 2024-12-02 · Updated 2026-01-14 · v2

37.204.20.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
37.204.20.0
Broadcast
37.204.20.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
20 hits · 0 errors
First / Last seen
2025-01-28 13:34 · 2025-01-28 13:35
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-01-27 → 2025-02-03 · Updated 2026-01-14 · v2

188.32.2.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
188.32.2.0
Broadcast
188.32.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
20 hits · 0 errors
First / Last seen
2025-01-10 04:50 · 2025-01-10 04:51
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2

188.255.48.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
188.255.48.0
Broadcast
188.255.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
20 hits · 0 errors
First / Last seen
2024-11-27 21:34 · 2024-11-27 21:34
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2024-11-25 → 2024-12-02 · Updated 2026-01-14 · v2

46.242.78.0/24

Risk Max LOW Footprint 0.391% Hits 19
Prefix / IP version
/24 · IPv4
Network
46.242.78.0
Broadcast
46.242.78.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.74870000000001 , 37.6187
Hits / Errors
19 hits · 0 errors
First / Last seen
2025-05-25 21:02 · 2025-05-25 21:03
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

188.32.190.0/24

Risk Max LOW Footprint 0.391% Hits 19
Prefix / IP version
/24 · IPv4
Network
188.32.190.0
Broadcast
188.32.190.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.74870000000001 , 37.6187
Hits / Errors
19 hits · 1 errors
First / Last seen
2025-01-06 22:09 · 2025-01-06 22:11
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2

77.37.224.0/24

Risk Max LOW Footprint 0.391% Hits 19
Prefix / IP version
/24 · IPv4
Network
77.37.224.0
Broadcast
77.37.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.74870000000001 , 37.6187
Hits / Errors
19 hits · 1 errors
First / Last seen
2025-01-03 23:22 · 2025-01-03 23:23
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2024-12-30 → 2025-01-06 · Updated 2026-01-14 · v2

5.228.180.0/24

Risk Max LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
5.228.180.0
Broadcast
5.228.180.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
18 hits · 0 errors
First / Last seen
2025-02-23 05:45 · 2025-02-23 05:45
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-02-17 → 2025-02-24 · Updated 2026-01-14 · v2

5.228.148.0/24

Risk Max LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
5.228.148.0
Broadcast
5.228.148.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
18 hits · 0 errors
First / Last seen
2025-01-28 07:27 · 2025-01-28 07:29
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-01-27 → 2025-02-03 · Updated 2026-01-14 · v2

188.255.107.0/24

Risk Max LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
188.255.107.0
Broadcast
188.255.107.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
18 hits · 0 errors
First / Last seen
2025-01-09 00:57 · 2025-01-09 00:59
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2

46.242.24.0/24

Risk Max LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
46.242.24.0
Broadcast
46.242.24.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
18 hits · 0 errors
First / Last seen
2025-01-07 04:51 · 2025-01-07 04:53
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2

5.228.149.0/24

Risk Max LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
5.228.149.0
Broadcast
5.228.149.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
18 hits · 0 errors
First / Last seen
2025-01-04 02:59 · 2025-01-04 03:00
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2024-12-30 → 2025-01-06 · Updated 2026-01-14 · v2

46.242.77.0/24

Risk Max LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
46.242.77.0
Broadcast
46.242.77.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
18 hits · 0 errors
First / Last seen
2024-09-16 17:27 · 2024-09-16 17:28
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2024-09-16 → 2024-09-23 · Updated 2026-01-14 · v2

46.242.71.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
46.242.71.0
Broadcast
46.242.71.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
17 hits · 0 errors
First / Last seen
2025-03-20 12:07 · 2025-03-20 12:08
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-03-17 → 2025-03-24 · Updated 2026-01-14 · v2

188.32.54.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
188.32.54.0
Broadcast
188.32.54.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
17 hits · 0 errors
First / Last seen
2023-12-27 17:33 · 2023-12-27 17:33
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2023-12-25 → 2024-01-01 · Updated 2026-01-14 · v2

188.32.185.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
188.32.185.0
Broadcast
188.32.185.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-08-24 02:04 · 2025-08-24 02:05
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-08-18 → 2025-08-25 · Updated 2026-01-14 · v2

5.228.154.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
5.228.154.0
Broadcast
5.228.154.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
16 hits · 1 errors
First / Last seen
2025-04-24 16:00 · 2025-04-24 16:01
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-04-21 → 2025-04-28 · Updated 2026-01-14 · v2

188.255.57.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
188.255.57.0
Broadcast
188.255.57.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-03-02 21:32 · 2025-03-02 21:32
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-02-24 → 2025-03-03 · Updated 2026-01-14 · v2

37.204.71.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
37.204.71.0
Broadcast
37.204.71.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
16 hits · 0 errors
First / Last seen
2024-12-28 16:10 · 2024-12-28 16:11
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2

46.242.68.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
46.242.68.0
Broadcast
46.242.68.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-03-20 23:31 · 2025-03-20 23:31
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-03-17 → 2025-03-24 · Updated 2026-01-14 · v2

46.242.79.0/24

Risk Max LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
46.242.79.0
Broadcast
46.242.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
14 hits · 0 errors
First / Last seen
2025-04-30 10:06 · 2025-04-30 10:07
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2

5.228.150.0/24

Risk Max LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
5.228.150.0
Broadcast
5.228.150.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7487 , 37.6187
Hits / Errors
14 hits · 0 errors
First / Last seen
2025-03-20 12:05 · 2025-03-20 12:06
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2025-03-17 → 2025-03-24 · Updated 2026-01-14 · v2

37.204.193.0/24

Risk Max LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
37.204.193.0
Broadcast
37.204.193.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.9843 , 37.1955
Hits / Errors
14 hits · 0 errors
First / Last seen
2024-05-31 11:11 · 2024-05-31 11:12
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2024-05-27 → 2024-06-03 · Updated 2026-01-14 · v2

46.242.73.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
46.242.73.0
Broadcast
46.242.73.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.74869999999999 , 37.6187
Hits / Errors
11 hits · 1 errors
First / Last seen
2024-12-19 15:10 · 2024-12-19 15:13
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2024-12-16 → 2024-12-23 · Updated 2026-01-14 · v2

188.255.56.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
188.255.56.0
Broadcast
188.255.56.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.74869999999999 , 37.6187
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-12-15 03:22 · 2024-12-15 03:22
Top ASN
AS42610 · PJSC Rostelecom
Top organization / ISP
— · NCNET
Top geo
Window / Updated
2024-12-09 → 2024-12-16 · Updated 2026-01-14 · v2
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