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.
Search
Active filter:
Erith
·
Clear
Snapshot
2026-01-20
Results
24
Page
1
/
1
51.77.108.0/24
Risk Max
5
LOW
Footprint
0.391
%
Hits
331
Prefix / IP version
/24 · IPv4
Network
51.77.108.0
Broadcast
51.77.108.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
331
hits ·
28
errors
First / Last seen
2025-09-13 08:52 · 2025-09-13 11:46
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2025-09-08 → 2025-09-15 · Updated
2026-01-14
· v2
Open report →
51.38.81.0/24
Risk Max
1
LOW
Footprint
0.391
%
Hits
17
Prefix / IP version
/24 · IPv4
Network
51.38.81.0
Broadcast
51.38.81.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
17
hits ·
0
errors
First / Last seen
2024-02-20 15:24 · 2024-02-20 15:24
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2024-02-19 → 2024-02-26 · Updated
2026-01-14
· v2
Open report →
57.128.163.0/24
Risk Max
1
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
57.128.163.0
Broadcast
57.128.163.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
4
hits ·
0
errors
First / Last seen
2025-05-13 04:57 · 2025-05-13 04:57
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2025-05-12 → 2025-05-19 · Updated
2026-01-14
· v2
Open report →
51.77.117.0/24
Risk Max
1
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
51.77.117.0
Broadcast
51.77.117.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
2
hits ·
1
errors
First / Last seen
2024-06-05 22:27 · 2024-06-05 22:27
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2024-06-03 → 2024-06-10 · Updated
2026-01-14
· v2
Open report →
57.128.140.0/24
Risk Max
1
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
57.128.140.0
Broadcast
57.128.140.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
2
hits ·
1
errors
First / Last seen
2023-12-30 07:33 · 2023-12-30 07:33
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2023-12-25 → 2024-01-01 · Updated
2026-01-14
· v2
Open report →
57.128.165.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
57.128.165.0
Broadcast
57.128.165.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
4
hits ·
4
errors
First / Last seen
2024-02-25 08:34 · 2024-02-25 10:23
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2024-02-19 → 2024-02-26 · Updated
2026-01-14
· v2
Open report →
51.195.203.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
52
Prefix / IP version
/24 · IPv4
Network
51.195.203.0
Broadcast
51.195.203.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
52
hits ·
0
errors
First / Last seen
2025-01-05 11:55 · 2025-01-05 12:04
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2024-12-30 → 2025-01-06 · Updated
2026-01-14
· v2
Open report →
51.195.202.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
26
Prefix / IP version
/24 · IPv4
Network
51.195.202.0
Broadcast
51.195.202.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
26
hits ·
0
errors
First / Last seen
2025-01-06 08:07 · 2025-01-06 08:10
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2025-01-06 → 2025-01-13 · Updated
2026-01-14
· v2
Open report →
51.195.252.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
22
Prefix / IP version
/24 · IPv4
Network
51.195.252.0
Broadcast
51.195.252.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
22
hits ·
0
errors
First / Last seen
2025-05-30 01:04 · 2025-05-30 01:35
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2025-05-26 → 2025-06-02 · Updated
2026-01-14
· v2
Open report →
57.128.181.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
7
Prefix / IP version
/24 · IPv4
Network
57.128.181.0
Broadcast
57.128.181.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
7
hits ·
4
errors
First / Last seen
2025-02-07 13:30 · 2025-02-07 13:30
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2025-02-03 → 2025-02-10 · Updated
2026-01-14
· v2
Open report →
51.77.105.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
6
Prefix / IP version
/24 · IPv4
Network
51.77.105.0
Broadcast
51.77.105.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.487 , 0.1812
Hits / Errors
6
hits ·
0
errors
First / Last seen
2024-09-24 22:13 · 2024-09-24 22:13
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2024-09-23 → 2024-09-30 · Updated
2026-01-14
· v2
Open report →
57.128.166.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
6
Prefix / IP version
/24 · IPv4
Network
57.128.166.0
Broadcast
57.128.166.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
6
hits ·
3
errors
First / Last seen
2024-02-26 12:19 · 2024-02-26 12:19
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2024-02-26 → 2024-03-04 · Updated
2026-01-14
· v2
Open report →
51.75.168.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
51.75.168.0
Broadcast
51.75.168.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
4
hits ·
1
errors
First / Last seen
2025-04-10 15:03 · 2025-04-10 15:03
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2025-04-07 → 2025-04-14 · Updated
2026-01-14
· v2
Open report →
57.128.168.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
57.128.168.0
Broadcast
57.128.168.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
4
hits ·
0
errors
First / Last seen
2025-01-05 15:35 · 2025-01-05 15:36
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2024-12-30 → 2025-01-06 · Updated
2026-01-14
· v2
Open report →
57.128.161.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
57.128.161.0
Broadcast
57.128.161.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
4
hits ·
2
errors
First / Last seen
2024-11-23 18:25 · 2024-11-23 18:28
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2024-11-18 → 2024-11-25 · Updated
2026-01-14
· v2
Open report →
57.128.180.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
57.128.180.0
Broadcast
57.128.180.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.48080000000001 , 0.174675
Hits / Errors
3
hits ·
1
errors
First / Last seen
2024-12-07 19:37 · 2024-12-07 20:50
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2024-12-02 → 2024-12-09 · Updated
2026-01-14
· v2
Open report →
51.195.232.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
51.195.232.0
Broadcast
51.195.232.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
2
hits ·
0
errors
First / Last seen
2025-02-25 17:02 · 2025-02-25 17:02
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2025-02-24 → 2025-03-03 · Updated
2026-01-14
· v2
Open report →
51.195.233.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
51.195.233.0
Broadcast
51.195.233.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
2
hits ·
0
errors
First / Last seen
2025-02-18 13:23 · 2025-02-18 13:23
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2025-02-17 → 2025-02-24 · Updated
2026-01-14
· v2
Open report →
51.77.110.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
51.77.110.0
Broadcast
51.77.110.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
2
hits ·
0
errors
First / Last seen
2024-11-09 16:11 · 2024-11-09 16:11
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2024-11-04 → 2024-11-11 · Updated
2026-01-14
· v2
Open report →
57.128.164.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
57.128.164.0
Broadcast
57.128.164.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
2
hits ·
2
errors
First / Last seen
2024-02-25 07:15 · 2024-02-25 07:15
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2024-02-19 → 2024-02-26 · Updated
2026-01-14
· v2
Open report →
57.128.171.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
57.128.171.0
Broadcast
57.128.171.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
2
hits ·
0
errors
First / Last seen
2023-12-15 11:17 · 2023-12-15 11:17
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2023-12-11 → 2023-12-18 · Updated
2026-01-14
· v2
Open report →
90.215.73.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
90.215.73.0
Broadcast
90.215.73.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.487 , 0.1812
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-08-20 07:46 · 2025-08-20 07:46
Top ASN
AS5607 ·
Sky UK Limited
Top organization / ISP
Sky Broadband
·
Sky UK Limited
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2025-08-18 → 2025-08-25 · Updated
2026-01-14
· v2
Open report →
57.128.173.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
57.128.173.0
Broadcast
57.128.173.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-04-26 00:42 · 2025-04-26 00:42
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2025-04-21 → 2025-04-28 · Updated
2026-01-14
· v2
Open report →
57.128.141.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
57.128.141.0
Broadcast
57.128.141.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.4808 , 0.174675
Hits / Errors
1
hits ·
1
errors
First / Last seen
2024-02-20 02:07 · 2024-02-20 02:07
Top ASN
AS16276 ·
OVH SAS
Top organization / ISP
OVH Ltd
·
OVH SAS
Top geo
United Kingdom
·
England
·
Erith
Window / Updated
2024-02-19 → 2024-02-26 · Updated
2026-01-14
· v2
Open report →
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