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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.

20.174.17.0/24

Risk Max 9 LOW Footprint 0.391% Hits 194
Prefix / IP version
/24 · IPv4
Network
20.174.17.0
Broadcast
20.174.17.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
25.266666 , 55.316666
Hits / Errors
194 hits · 98 errors
First / Last seen
2023-12-06 00:57 · 2023-12-07 19:19
Top ASN
Window / Updated
2023-12-04 → 2023-12-11 · Updated 2026-01-14 · v2

20.233.253.0/24

Risk Max 1 LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
20.233.253.0
Broadcast
20.233.253.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
25.266666 , 55.316666000000005
Hits / Errors
11 hits · 3 errors
First / Last seen
2024-10-03 22:03 · 2024-10-06 22:30
Top ASN
Window / Updated
2024-09-30 → 2024-10-07 · Updated 2026-01-14 · v2

20.196.5.0/24

Risk Max 1 LOW Footprint 0.391% Hits 10
Prefix / IP version
/24 · IPv4
Network
20.196.5.0
Broadcast
20.196.5.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
25.266666 , 55.316666
Hits / Errors
10 hits · 3 errors
First / Last seen
2025-08-05 20:54 · 2025-08-05 20:54
Top ASN
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

40.123.227.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
40.123.227.0
Broadcast
40.123.227.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
25.266666 , 55.316666
Hits / Errors
20 hits · 17 errors
First / Last seen
2023-08-09 07:55 · 2023-08-09 07:55
Top ASN
Window / Updated
2023-08-07 → 2023-08-14 · Updated 2026-01-14 · v2

40.120.111.0/24

Risk Max LOW Footprint 0.391% Hits 10
Prefix / IP version
/24 · IPv4
Network
40.120.111.0
Broadcast
40.120.111.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
25.266666 , 55.316666
Hits / Errors
10 hits · 1 errors
First / Last seen
2024-06-09 11:39 · 2024-06-09 11:40
Top ASN
Window / Updated
2024-06-03 → 2024-06-10 · Updated 2026-01-14 · v2

20.203.40.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
20.203.40.0
Broadcast
20.203.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
25.266666 , 55.316666
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-12 06:11 · 2025-09-12 06:11
Top ASN
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

74.243.209.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
74.243.209.0
Broadcast
74.243.209.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
25.266666 , 55.316666
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-07-15 17:55 · 2025-07-15 17:55
Top ASN
Top organization / ISP
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2

20.46.149.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
20.46.149.0
Broadcast
20.46.149.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
25.266666 , 55.316666
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-10-02 03:59 · 2024-10-02 03:59
Top ASN
Window / Updated
2024-09-30 → 2024-10-07 · Updated 2026-01-14 · v2

20.174.8.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
20.174.8.0
Broadcast
20.174.8.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
25.266666 , 55.316666
Hits / Errors
2 hits · 2 errors
First / Last seen
2023-10-11 05:17 · 2023-10-11 09:22
Top ASN
Window / Updated
2023-10-09 → 2023-10-16 · Updated 2026-01-14 · v2

20.203.43.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
20.203.43.0
Broadcast
20.203.43.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
25.266666 , 55.316666
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 13:20 · 2025-11-06 13:20
Top ASN
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

20.203.44.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
20.203.44.0
Broadcast
20.203.44.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
25.266666 , 55.316666
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-10-10 13:24 · 2025-10-10 13:24
Top ASN
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

20.74.166.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
20.74.166.0
Broadcast
20.74.166.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
25.266666 , 55.316666
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-31 16:06 · 2025-07-31 16:06
Top ASN
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

20.203.22.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
20.203.22.0
Broadcast
20.203.22.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
25.266666 , 55.316666
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-09 10:12 · 2025-05-09 10:12
Top ASN
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2