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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.
Active filter: Hyperoptic Ltd. · Clear
Snapshot 2026-03-04 Results 4 Page 1 / 1

137.220.68.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
137.220.68.0
Broadcast
137.220.68.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4959 , -0.2245
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-25 02:00
Top ASN
AS56478 · Hyperoptic Ltd
Top organization / ISP
Hyperoptic Ltd. · Hyperoptic Ltd.
Top geo
United Kingdom · England · London
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

137.220.71.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
137.220.71.0
Broadcast
137.220.71.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4959 , -0.2245
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS56478 · Hyperoptic Ltd
Top organization / ISP
Hyperoptic Ltd. · Hyperoptic Ltd.
Top geo
United Kingdom · England · London
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

137.220.69.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
137.220.69.0
Broadcast
137.220.69.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4959 , -0.2245
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS56478 · Hyperoptic Ltd
Top organization / ISP
Hyperoptic Ltd. · Hyperoptic Ltd.
Top geo
United Kingdom · England · London
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

137.220.79.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
137.220.79.0
Broadcast
137.220.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4959 , -0.2245
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS56478 · Hyperoptic Ltd
Top organization / ISP
Hyperoptic Ltd. · Hyperoptic Ltd.
Top geo
United Kingdom · England · London
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →