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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.

173.252.111.0/24

Risk Max LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
173.252.111.0
Broadcast
173.252.111.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
40.0847 , -82.7988
Hits / Errors
4 hits · 1 errors
First / Last seen
2024-05-14 00:56 · 2024-05-14 00:56
Top ASN
AS32934 · Facebook, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-05-13 → 2024-05-20 · Updated 2026-01-14 · v2

74.134.143.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
74.134.143.0
Broadcast
74.134.143.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.3085 , -85.816
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-04-15 02:36 · 2025-04-15 02:36
Top ASN
Top organization / ISP
Window / Updated
2025-04-14 → 2025-04-21 · Updated 2026-01-14 · v2

104.184.16.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
104.184.16.0
Broadcast
104.184.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0847 , -82.7988
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-08-02 20:52 · 2025-08-02 20:52
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

74.134.136.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
74.134.136.0
Broadcast
74.134.136.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.3085 , -85.816
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-07-26 16:12 · 2025-07-26 16:12
Top ASN
Top organization / ISP
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2

50.20.217.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
50.20.217.0
Broadcast
50.20.217.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.4833 , -89.0075
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-07-24 06:45 · 2025-07-24 06:45
Top ASN
Top organization / ISP
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2

162.154.19.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
162.154.19.0
Broadcast
162.154.19.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.3085 , -85.816
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-07-20 11:45 · 2025-07-20 11:45
Top ASN
Top organization / ISP
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2

99.75.5.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
99.75.5.0
Broadcast
99.75.5.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.3085 , -85.816
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-02-16 16:28 · 2025-02-16 16:28
Top ASN
Top organization / ISP
Window / Updated
2025-02-10 → 2025-02-17 · Updated 2026-01-14 · v2

162.206.119.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
162.206.119.0
Broadcast
162.206.119.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0847 , -82.7988
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-10 14:36 · 2025-08-10 14:36
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

162.210.138.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
162.210.138.0
Broadcast
162.210.138.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.4833 , -89.0075
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-05 10:11 · 2025-08-05 10:11
Top ASN
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

74.138.107.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
74.138.107.0
Broadcast
74.138.107.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.3085 , -85.816
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-04 22:49 · 2025-08-04 22:49
Top ASN
Top organization / ISP
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

50.20.218.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
50.20.218.0
Broadcast
50.20.218.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.4833 , -89.0075
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-21 19:38 · 2025-07-21 19:38
Top ASN
Top organization / ISP
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2

170.253.154.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
170.253.154.0
Broadcast
170.253.154.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.4833 , -89.0075
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-20 10:33 · 2025-07-20 10:33
Top ASN
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2