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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: EXPONENTIAL · Clear
Snapshot 2026-01-20 Results 10 Page 1 / 1

5.148.140.0/24

Risk Max — LOW Footprint 0.391% Hits 53
Prefix / IP version
/24 · IPv4
Network
5.148.140.0
Broadcast
5.148.140.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5263 , -0.3559
Hits / Errors
53 hits · 0 errors
First / Last seen
2025-03-26 12:17 · 2025-03-26 12:18
Top ASN
AS25180 · Exponential-E Ltd.
Top organization / ISP
Exponential-E Ltd · EXPONENTIAL
Top geo
United Kingdom · England · Greenford
Window / Updated
2025-03-24 → 2025-03-31 · Updated 2026-01-14 · v2
Open report →

109.231.194.0/24

Risk Max — LOW Footprint 0.391% Hits 31
Prefix / IP version
/24 · IPv4
Network
109.231.194.0
Broadcast
109.231.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5384 , -0.039
Hits / Errors
31 hits · 0 errors
First / Last seen
2025-03-16 15:50 · 2025-03-16 17:15
Top ASN
AS25180 · Exponential-E Ltd.
Top organization / ISP
Exponential-e Ltd · Exponential-e
Top geo
United Kingdom · England · Hackney
Window / Updated
2025-03-10 → 2025-03-17 · Updated 2026-01-14 · v2
Open report →

51.149.249.0/24

Risk Max — LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
51.149.249.0
Broadcast
51.149.249.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5689 , 0.008
Hits / Errors
18 hits · 0 errors
First / Last seen
2023-10-23 22:07 · 2023-10-23 22:07
Top ASN
AS25180 · Exponential-E Ltd.
Top organization / ISP
Ministry of Justice · Exponential-E Ltd.
Top geo
United Kingdom · England · Leytonstone
Window / Updated
2023-10-23 → 2023-10-30 · Updated 2026-01-14 · v2
Open report →

31.221.37.0/24

Risk Max — LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
31.221.37.0
Broadcast
31.221.37.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5005 , -0.1905
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-01-09 15:35 · 2025-01-09 16:35
Top ASN
AS25180 · Exponential-E Ltd.
Top organization / ISP
Exponential-e Ltd · Exponential-e Ltd
Top geo
United Kingdom · England · Kensington
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2
Open report →

167.98.162.0/24

Risk Max — LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
167.98.162.0
Broadcast
167.98.162.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.47169999999999 , -0.1161
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-01-18 13:28 · 2025-01-18 13:29
Top ASN
AS25180 · Exponential-E Ltd.
Top organization / ISP
Exponential-E Ltd · Exponential-E Ltd.
Top geo
United Kingdom · England · Lambeth
Window / Updated
2025-01-13 → 2025-01-20 · Updated 2026-01-14 · v2
Open report →

31.221.25.0/24

Risk Max — LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
31.221.25.0
Broadcast
31.221.25.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.508100000000006 , -0.1278
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-11-19 15:57 · 2024-11-19 16:09
Top ASN
AS25180 · Exponential-E Ltd.
Top organization / ISP
Exponential-E Ltd. · Exponential-E Ltd.
Top geo
United Kingdom · England · Camden
Window / Updated
2024-11-18 → 2024-11-25 · Updated 2026-01-14 · v2
Open report →

5.148.126.0/24

Risk Max — LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
5.148.126.0
Broadcast
5.148.126.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4946 , -0.2098
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-10-14 18:30 · 2024-10-14 19:02
Top ASN
AS25180 · Exponential-E Ltd.
Top organization / ISP
Exponential-E Ltd · Exponential-E Ltd.
Top geo
United Kingdom · England · Fulham
Window / Updated
2024-10-14 → 2024-10-21 · Updated 2026-01-14 · v2
Open report →

31.221.116.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
31.221.116.0
Broadcast
31.221.116.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5564 , 0.0715
Hits / Errors
3 hits · 2 errors
First / Last seen
2024-12-11 14:26 · 2024-12-11 14:26
Top ASN
AS25180 · Exponential-E Ltd.
Top organization / ISP
Exponential-e Ltd · Exponential-e Ltd
Top geo
United Kingdom · England · Ilford
Window / Updated
2024-12-09 → 2024-12-16 · Updated 2026-01-14 · v2
Open report →

167.98.46.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
167.98.46.0
Broadcast
167.98.46.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5415 , -0.1445
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-16 12:50 · 2025-10-16 12:50
Top ASN
AS25180 · Exponential-E Ltd.
Top organization / ISP
Exponential-E Ltd · Exponential-E Ltd.
Top geo
United Kingdom · England · Camden
Window / Updated
2025-10-13 → 2025-10-20 · Updated 2026-01-14 · v2
Open report →

31.221.106.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.221.106.0
Broadcast
31.221.106.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5081 , -0.1278
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-20 02:24 · 2025-07-20 02:24
Top ASN
AS25180 · Exponential-E Ltd.
Top organization / ISP
Exponential-e Ltd · Exponential-e Ltd
Top geo
United Kingdom · England · Camden
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2
Open report →