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:
British Telecommunications PLC
·
Clear
Snapshot
2026-03-11
Results
414
Page
11
/
11
213.31.167.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
213.31.167.0
Broadcast
213.31.167.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
53.4907 , -1.4254
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS6871 ·
Plusnet
Top organization / ISP
PlusNet plc
·
British Telecommunications plc
Top geo
United Kingdom
·
England
·
Barnsley
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
147.148.223.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
147.148.223.0
Broadcast
147.148.223.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
57.6101 , -3.6176
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
BTL
·
British Telecommunications PLC
Top geo
United Kingdom
·
Scotland
·
Forres
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
81.153.251.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
81.153.251.0
Broadcast
81.153.251.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.4539 , -6.383
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
BT Public Internet Service
Top geo
United Kingdom
·
Northern Ireland
·
Craigavon
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
146.199.192.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
146.199.192.0
Broadcast
146.199.192.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.4808 , -3.5231
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS6871 ·
Plusnet
Top organization / ISP
INFONET Services Corporation
·
British Telecommunications PLC
Top geo
United Kingdom
·
England
·
Egremont
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
81.154.137.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
81.154.137.0
Broadcast
81.154.137.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
53.4558 , -1.3756
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
BT Public Internet Service
Top geo
United Kingdom
·
England
·
Rotherham
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
95.147.183.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
95.147.183.0
Broadcast
95.147.183.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
53.3497 , -2.7266
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
EE Limited
Top geo
United Kingdom
·
England
·
Runcorn
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
109.159.32.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
109.159.32.0
Broadcast
109.159.32.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.1278 , -3.0001
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
BT Public Internet Service
Top geo
United Kingdom
·
England
·
Bridgwater
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
95.147.26.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
95.147.26.0
Broadcast
95.147.26.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.5177 , -0.6215
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
EE Limited
Top geo
United Kingdom
·
England
·
Slough
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
81.156.114.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
81.156.114.0
Broadcast
81.156.114.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.521 , -3.2037
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
BT Public Internet Service
Top geo
United Kingdom
·
Wales
·
Cardiff
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
81.156.148.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
81.156.148.0
Broadcast
81.156.148.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
53.8864 , -1.2622
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
BT Public Internet Service
Top geo
United Kingdom
·
England
·
Tadcaster
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
81.156.168.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
81.156.168.0
Broadcast
81.156.168.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.8452 , -5.8155
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
BT Public Internet Service
Top geo
United Kingdom
·
Northern Ireland
·
Larne
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
81.156.28.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
81.156.28.0
Broadcast
81.156.28.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9747 , -2.6071
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
BT Public Internet Service
Top geo
United Kingdom
·
England
·
Yeovil
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
109.155.242.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
109.155.242.0
Broadcast
109.155.242.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
55.6502 , -4.80659
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
BT Public Internet Service
Top geo
United Kingdom
·
Scotland
·
Ardrossan
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
81.158.87.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
81.158.87.0
Broadcast
81.158.87.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.1147 , -0.184
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
BT Public Internet Service
Top geo
United Kingdom
·
England
·
Crawley
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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