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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: St Albans · Clear
Snapshot 2026-01-20 Results 4 Page 1 / 1

90.254.231.0/24

Risk Max — LOW Footprint 0.391% Hits 33
Prefix / IP version
/24 · IPv4
Network
90.254.231.0
Broadcast
90.254.231.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.753 , -0.3256
Hits / Errors
33 hits · 0 errors
First / Last seen
2024-11-06 17:35 · 2024-11-06 17:36
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
Vodafone Group PLC · Vodafone UK
Top geo
United Kingdom · England · St Albans
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2
Open report →

146.199.233.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
146.199.233.0
Broadcast
146.199.233.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.7183 , -0.32
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-08-07 07:36 · 2025-08-07 07:36
Top ASN
AS6871 · Plusnet
Top organization / ISP
INFONET Services Corporation · British Telecommunications PLC
Top geo
United Kingdom · England · St Albans
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2
Open report →

81.111.210.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.111.210.0
Broadcast
81.111.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.753 , -0.3256
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-03 05:55 · 2025-08-03 05:55
Top ASN
AS5089 · Virgin Media Limited
Top organization / ISP
Vmcbbuk · Virgin Media Limited
Top geo
United Kingdom · England · St Albans
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →

90.254.232.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.254.232.0
Broadcast
90.254.232.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.753 , -0.3256
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-23 11:43 · 2025-07-23 11:43
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
Vodafone DYN IP · Vodafone Limited
Top geo
United Kingdom · England · St Albans
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2
Open report →