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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.

57.129.139.0/24

Risk Max LOW Footprint 1.562% Hits 28
Prefix / IP version
/24 · IPv4
Network
57.129.139.0
Broadcast
57.129.139.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
51.4409 , 0.0985
Hits / Errors
28 hits · 3 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

57.129.135.0/24

Risk Max LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
57.129.135.0
Broadcast
57.129.135.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4409 , 0.0985
Hits / Errors
5 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

54.38.214.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
54.38.214.0
Broadcast
54.38.214.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4409 , 0.09849999999999999
Hits / Errors
3 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS16276 · OVH SAS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.154.75.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
81.154.75.0
Broadcast
81.154.75.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4638 , 0.1434
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

84.70.141.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
84.70.141.0
Broadcast
84.70.141.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4416 , 0.14866
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

80.4.56.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
80.4.56.0
Broadcast
80.4.56.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4638 , 0.1434
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
Top organization / ISP
— · Virgin Media
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2