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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: Energis UK · Clear
Snapshot 2026-03-08 Results 31 Page 1 / 1

81.77.230.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
81.77.230.0
Broadcast
81.77.230.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.6702 , -3.2068
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · Wales · Blackwood
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

84.67.54.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
84.67.54.0
Broadcast
84.67.54.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.462799999999994 , -2.1626
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
Energis UK · Vodafone Limited
Top geo
United Kingdom · England · Manchester
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.241.151.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
90.241.151.0
Broadcast
90.241.151.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.6132 , -2.607
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · England · Bolton
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.241.205.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
90.241.205.0
Broadcast
90.241.205.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.5515 , -2.3311
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · England · Manchester
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

81.77.177.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
81.77.177.0
Broadcast
81.77.177.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5131 , -3.1588
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · Wales · Cardiff
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

81.77.74.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
81.77.74.0
Broadcast
81.77.74.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.520999999999994 , -3.2037
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · Wales · Cardiff
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

81.78.100.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
81.78.100.0
Broadcast
81.78.100.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5825 , -0.3445
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · England · Harrow
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

81.78.190.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
81.78.190.0
Broadcast
81.78.190.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5212 , -0.1825
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · England · City of Westminster
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

84.67.2.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
84.67.2.0
Broadcast
84.67.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.4486 , -1.5499
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
Energis UK · Vodafone Limited
Top geo
United Kingdom · England · Coventry
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

81.79.219.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.79.219.0
Broadcast
81.79.219.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.8557 , -4.2104
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · Scotland · Glasgow
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

81.77.106.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.77.106.0
Broadcast
81.77.106.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.701 , -3.038
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
— · Energis UK
Top geo
United Kingdom · Wales · Pontypool
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

84.66.136.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
84.66.136.0
Broadcast
84.66.136.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.7401 , -1.5988
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
Energis UK · Vodafone Limited
Top geo
United Kingdom · England · Leeds
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.246.125.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.246.125.0
Broadcast
90.246.125.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.6911 , -1.3127
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
— · Energis UK
Top geo
United Kingdom · England · Pontefract
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.247.75.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.247.75.0
Broadcast
90.247.75.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5943 , -0.2491
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
Energis UK · Vodafone Limited
Top geo
United Kingdom · England · Brent
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

81.77.41.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.77.41.0
Broadcast
81.77.41.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.7407 , -1.4903
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · England · Wakefield
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

84.67.71.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
84.67.71.0
Broadcast
84.67.71.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.532 , 0.0884
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
Energis UK · Vodafone Limited
Top geo
United Kingdom · England · Barking
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

81.78.219.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.78.219.0
Broadcast
81.78.219.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5415 , -0.1445
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · England · Camden
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

81.79.148.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.79.148.0
Broadcast
81.79.148.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.4486 , -1.5499
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · England · Coventry
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

84.67.66.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
84.67.66.0
Broadcast
84.67.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.532 , 0.0884
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
Energis UK · Vodafone Limited
Top geo
United Kingdom · England · Barking
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.247.30.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.247.30.0
Broadcast
90.247.30.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.5876 , -1.9828
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
Energis UK · Vodafone Limited
Top geo
United Kingdom · England · Walsall
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

81.77.1.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.77.1.0
Broadcast
81.77.1.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.9169 , -1.5735
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · England · Leeds
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

84.66.247.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
84.66.247.0
Broadcast
84.66.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.0625 , -0.8166
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
Energis UK · Vodafone Limited
Top geo
United Kingdom · England · Milton Keynes
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

81.79.52.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.79.52.0
Broadcast
81.79.52.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5266 , -0.0134
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · England · Bromley-by-Bow
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

84.66.67.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
84.66.67.0
Broadcast
84.66.67.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.8312 , -1.5858
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · England · Burton-on-Trent
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

84.67.57.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
84.67.57.0
Broadcast
84.67.57.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.4628 , -2.1626
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
Energis UK · Vodafone Limited
Top geo
United Kingdom · England · Manchester
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.241.140.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.241.140.0
Broadcast
90.241.140.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.4859 , -2.7412
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · England · St Helens
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.246.71.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.246.71.0
Broadcast
90.246.71.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.7881 , -1.6008
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · England · Leeds
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.247.167.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.247.167.0
Broadcast
90.247.167.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.8306 , -4.2593
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
Energis UK · Vodafone Limited
Top geo
United Kingdom · Scotland · Glasgow
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.241.228.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.241.228.0
Broadcast
90.241.228.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.6235 , -2.3352
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
— · Energis UK
Top geo
United Kingdom · England · Bury
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.247.40.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.247.40.0
Broadcast
90.247.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.4486 , -1.5499
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
Energis UK · Vodafone Limited
Top geo
United Kingdom · England · Coventry
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.252.99.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.252.99.0
Broadcast
90.252.99.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5538 , -0.3102
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS5378 · Vodafone Limited
Top organization / ISP
Cable & Wireless UK P.U.C. · Energis UK
Top geo
United Kingdom · England · Wembley
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →