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:
Belfast
·
Clear
Snapshot
2026-01-20
Results
28
Page
1
/
1
51.19.25.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
42
Prefix / IP version
/24 · IPv4
Network
51.19.25.0
Broadcast
51.19.25.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.580000000000005 , -5.928
Hits / Errors
42
hits ·
0
errors
First / Last seen
2025-02-02 14:37 · 2025-02-02 14:40
Top ASN
AS5607 ·
Sky UK Limited
Top organization / ISP
Sky Broadband
·
Sky UK Limited
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-01-27 → 2025-02-03 · Updated
2026-01-14
· v2
Open report →
81.101.65.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
41
Prefix / IP version
/24 · IPv4
Network
81.101.65.0
Broadcast
81.101.65.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.57999999999999 , -5.928
Hits / Errors
41
hits ·
6
errors
First / Last seen
2025-01-15 18:49 · 2025-01-15 18:50
Top ASN
AS5089 ·
Virgin Media Limited
Top organization / ISP
Vmcbbuk
·
Virgin Media Limited
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-01-13 → 2025-01-20 · Updated
2026-01-14
· v2
Open report →
62.255.234.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
32
Prefix / IP version
/24 · IPv4
Network
62.255.234.0
Broadcast
62.255.234.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.5917 , -5.93882
Hits / Errors
32
hits ·
0
errors
First / Last seen
2025-02-26 13:12 · 2025-02-26 13:19
Top ASN
AS5089 ·
Virgin Media Limited
Top organization / ISP
— ·
Virgin Media Business
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-02-24 → 2025-03-03 · Updated
2026-01-14
· v2
Open report →
82.132.218.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
28
Prefix / IP version
/24 · IPv4
Network
82.132.218.0
Broadcast
82.132.218.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.596799999999995 , -5.92541
Hits / Errors
28
hits ·
0
errors
First / Last seen
2025-03-09 09:18 · 2025-03-09 09:19
Top ASN
AS35228 ·
Telefonica UK Limited
Top organization / ISP
— ·
O2 Online
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-03-03 → 2025-03-10 · Updated
2026-01-14
· v2
Open report →
2.124.247.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
24
Prefix / IP version
/24 · IPv4
Network
2.124.247.0
Broadcast
2.124.247.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.580000000000005 , -5.928
Hits / Errors
24
hits ·
0
errors
First / Last seen
2025-02-14 18:54 · 2025-02-14 18:59
Top ASN
AS5607 ·
Sky UK Limited
Top organization / ISP
Sky Broadband
·
Sky UK Limited
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-02-10 → 2025-02-17 · Updated
2026-01-14
· v2
Open report →
2.122.122.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
22
Prefix / IP version
/24 · IPv4
Network
2.122.122.0
Broadcast
2.122.122.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
22
hits ·
1
errors
First / Last seen
2025-01-22 18:57 · 2025-01-22 19:21
Top ASN
AS5607 ·
Sky UK Limited
Top organization / ISP
Sky Broadband
·
Sky UK Limited
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-01-20 → 2025-01-27 · Updated
2026-01-14
· v2
Open report →
146.90.90.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
17
Prefix / IP version
/24 · IPv4
Network
146.90.90.0
Broadcast
146.90.90.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
17
hits ·
0
errors
First / Last seen
2025-08-07 20:04 · 2025-08-07 20:05
Top ASN
AS6871 ·
Plusnet
Top organization / ISP
PlusNet Plc
·
PlusNet plc
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-08-04 → 2025-08-11 · Updated
2026-01-14
· v2
Open report →
74.75.196.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
74.75.196.0
Broadcast
74.75.196.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
44.4353 , -69.0111
Hits / Errors
4
hits ·
2
errors
First / Last seen
2025-02-03 01:27 · 2025-02-03 01:28
Top ASN
AS11351 ·
Charter Communications Inc
Top organization / ISP
Spectrum
·
Charter Communications
Top geo
United States
·
Maine
·
Belfast
Window / Updated
2025-02-03 → 2025-02-10 · Updated
2026-01-14
· v2
Open report →
92.25.110.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
92.25.110.0
Broadcast
92.25.110.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
2
hits ·
0
errors
First / Last seen
2025-08-07 17:06 · 2025-08-07 17:06
Top ASN
AS13285 ·
TalkTalk Communications Limited
Top organization / ISP
TalkTalk Communications Limited
·
TalkTalk
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-08-04 → 2025-08-11 · Updated
2026-01-14
· v2
Open report →
81.102.21.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
81.102.21.0
Broadcast
81.102.21.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
2
hits ·
1
errors
First / Last seen
2025-08-04 20:27 · 2025-08-04 20:27
Top ASN
AS5089 ·
Virgin Media Limited
Top organization / ISP
Vmcbbuk
·
Virgin Media Limited
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-08-04 → 2025-08-11 · Updated
2026-01-14
· v2
Open report →
90.200.15.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
90.200.15.0
Broadcast
90.200.15.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
2
hits ·
1
errors
First / Last seen
2025-08-02 22:52 · 2025-08-02 22:52
Top ASN
AS5607 ·
Sky UK Limited
Top organization / ISP
Sky Broadband
·
Sky UK Limited
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-07-28 → 2025-08-04 · Updated
2026-01-14
· v2
Open report →
80.46.182.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
80.46.182.0
Broadcast
80.46.182.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-12-31 23:32 · 2025-12-31 23:32
Top ASN
AS13285 ·
TalkTalk Communications Limited
Top organization / ISP
TalkTalk Communications Limited
·
TalkTalk
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-12-29 → 2026-01-05 · Updated
2026-01-14
· v2
Open report →
86.25.39.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
86.25.39.0
Broadcast
86.25.39.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-08-26 22:23 · 2025-08-26 22:23
Top ASN
AS5089 ·
Virgin Media Limited
Top organization / ISP
Vmcbbuk
·
Virgin Media Limited
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-08-25 → 2025-09-01 · Updated
2026-01-14
· v2
Open report →
90.198.137.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
90.198.137.0
Broadcast
90.198.137.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-08-23 14:45 · 2025-08-23 14:45
Top ASN
AS5607 ·
Sky UK Limited
Top organization / ISP
Sky Broadband
·
Sky UK Limited
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-08-18 → 2025-08-25 · Updated
2026-01-14
· v2
Open report →
5.71.68.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
5.71.68.0
Broadcast
5.71.68.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-08-21 21:16 · 2025-08-21 21:16
Top ASN
AS5607 ·
Sky UK Limited
Top organization / ISP
Sky Network Services
·
BSkyB Broadband
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-08-18 → 2025-08-25 · Updated
2026-01-14
· v2
Open report →
5.70.94.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
5.70.94.0
Broadcast
5.70.94.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-08-07 11:45 · 2025-08-07 11:45
Top ASN
AS5607 ·
Sky UK Limited
Top organization / ISP
Sky Network Services
·
BSkyB Broadband
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-08-04 → 2025-08-11 · Updated
2026-01-14
· v2
Open report →
80.44.11.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
80.44.11.0
Broadcast
80.44.11.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-08-05 23:45 · 2025-08-05 23:45
Top ASN
AS13285 ·
TalkTalk Communications Limited
Top organization / ISP
TalkTalk Communications Limited
·
TalkTalk
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-08-04 → 2025-08-11 · Updated
2026-01-14
· v2
Open report →
81.158.42.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
81.158.42.0
Broadcast
81.158.42.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.5968 , -5.92541
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-08-05 14:53 · 2025-08-05 14:53
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
BT Public Internet Service
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-08-04 → 2025-08-11 · Updated
2026-01-14
· v2
Open report →
46.65.41.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
46.65.41.0
Broadcast
46.65.41.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-08-04 20:41 · 2025-08-04 20:41
Top ASN
AS5607 ·
Sky UK Limited
Top organization / ISP
Sky Broadband
·
Sky UK Limited
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-08-04 → 2025-08-11 · Updated
2026-01-14
· v2
Open report →
86.162.125.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
86.162.125.0
Broadcast
86.162.125.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-08-02 19:43 · 2025-08-02 19:43
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
BT Public Internet Service
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-07-28 → 2025-08-04 · Updated
2026-01-14
· v2
Open report →
2.125.255.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
2.125.255.0
Broadcast
2.125.255.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-08-02 19:40 · 2025-08-02 19:40
Top ASN
AS5607 ·
Sky UK Limited
Top organization / ISP
Sky Broadband
·
Sky UK Limited
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-07-28 → 2025-08-04 · Updated
2026-01-14
· v2
Open report →
94.9.60.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
94.9.60.0
Broadcast
94.9.60.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-08-02 04:35 · 2025-08-02 04:35
Top ASN
AS5607 ·
Sky UK Limited
Top organization / ISP
Sky Broadband
·
Sky UK Limited
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-07-28 → 2025-08-04 · Updated
2026-01-14
· v2
Open report →
81.104.230.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
81.104.230.0
Broadcast
81.104.230.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-08-01 22:10 · 2025-08-01 22:10
Top ASN
AS5089 ·
Virgin Media Limited
Top organization / ISP
— ·
Virgin Media
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-07-28 → 2025-08-04 · Updated
2026-01-14
· v2
Open report →
81.101.34.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
81.101.34.0
Broadcast
81.101.34.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-07-23 11:36 · 2025-07-23 11:36
Top ASN
AS5089 ·
Virgin Media Limited
Top organization / ISP
— ·
Virgin Media
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-07-21 → 2025-07-28 · Updated
2026-01-14
· v2
Open report →
94.9.52.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
94.9.52.0
Broadcast
94.9.52.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-07-19 20:13 · 2025-07-19 20:13
Top ASN
AS5607 ·
Sky UK Limited
Top organization / ISP
Sky Broadband
·
Sky UK Limited
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-07-14 → 2025-07-21 · Updated
2026-01-14
· v2
Open report →
31.48.49.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
31.48.49.0
Broadcast
31.48.49.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-07-18 05:11 · 2025-07-18 05:11
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
BT Public Internet Service
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-07-14 → 2025-07-21 · Updated
2026-01-14
· v2
Open report →
31.48.34.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
31.48.34.0
Broadcast
31.48.34.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-05-05 13:19 · 2025-05-05 13:19
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
BT Public Internet Service
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2025-05-05 → 2025-05-12 · Updated
2026-01-14
· v2
Open report →
78.145.143.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
78.145.143.0
Broadcast
78.145.143.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.58 , -5.928
Hits / Errors
1
hits ·
0
errors
First / Last seen
2023-07-23 03:28 · 2023-07-23 03:28
Top ASN
AS13285 ·
TalkTalk Communications Limited
Top organization / ISP
TalkTalk Communications Limited
·
TalkTalk
Top geo
United Kingdom
·
Northern Ireland
·
Belfast
Window / Updated
2023-07-17 → 2023-07-24 · Updated
2026-01-14
· v2
Open report →
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