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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.

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
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

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
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.132.199.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
212.132.199.0
Broadcast
212.132.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.3359 , -0.0771
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

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
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.132.225.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
212.132.225.0
Broadcast
212.132.225.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.477 , -0.1959
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

149.13.212.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
149.13.212.0
Broadcast
149.13.212.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.8835 , -1.60023
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS213094 · Full Fibre Limited
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

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
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

92.18.144.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
92.18.144.0
Broadcast
92.18.144.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.5039 , -2.1959
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.132.244.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
212.132.244.0
Broadcast
212.132.244.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.32 , -0.1409
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

92.234.239.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
92.234.239.0
Broadcast
92.234.239.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4841 , -0.3608
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
— · Virgin Media
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

149.102.6.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
149.102.6.0
Broadcast
149.102.6.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.138 , -0.4898
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS210874 · Box Broadband Limited
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

92.19.231.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
92.19.231.0
Broadcast
92.19.231.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5072 , -0.127586
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.159.21.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
212.159.21.0
Broadcast
212.159.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.694 , -1.69128
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
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.151.212.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.151.212.0
Broadcast
81.151.212.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.6771 , -1.9208
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

92.22.38.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
92.22.38.0
Broadcast
92.22.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.8298 , -2.0509
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.148.241.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.148.241.0
Broadcast
81.148.241.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3507 , -2.3342
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

92.23.58.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
92.23.58.0
Broadcast
92.23.58.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6077 , -2.4593
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.147.71.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.147.71.0
Broadcast
81.147.71.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.8936 , 0.9154
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

147.147.53.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
147.147.53.0
Broadcast
147.147.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5263 , -0.3559
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
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.147.122.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.147.122.0
Broadcast
81.147.122.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.7714 , 0.1027
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.146.53.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.146.53.0
Broadcast
81.146.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.1346 , -0.4663
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

147.12.225.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
147.12.225.0
Broadcast
147.12.225.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5081 , -0.1278
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.136.46.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.136.46.0
Broadcast
81.136.46.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.6449 , -0.043
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.135.121.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.135.121.0
Broadcast
81.135.121.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.8151 , -1.4532
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

92.25.38.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
92.25.38.0
Broadcast
92.25.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5783 , -0.1954
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.132.243.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.132.243.0
Broadcast
81.132.243.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.4072 , -0.0738
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

92.26.105.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
92.26.105.0
Broadcast
92.26.105.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6259 , 1.3032
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.131.109.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.131.109.0
Broadcast
81.131.109.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6259 , 1.3032
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

92.27.134.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
92.27.134.0
Broadcast
92.27.134.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.3653 , -2.95901
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

92.28.126.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
92.28.126.0
Broadcast
92.28.126.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5597 , -0.0528
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

212.221.229.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
212.221.229.0
Broadcast
212.221.229.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.8738 , 0.5414
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS207995 · LF Holdco 2 Limited
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.111.126.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.111.126.0
Broadcast
81.111.126.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6667 , 0.1667
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
— · Virgin Media
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

146.90.79.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
146.90.79.0
Broadcast
146.90.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5897 , -0.249103
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
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.110.241.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.110.241.0
Broadcast
81.110.241.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.9292 , -1.1065
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.109.211.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.109.211.0
Broadcast
81.109.211.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
54.532 , -1.3025
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

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
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.109.181.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.109.181.0
Broadcast
81.109.181.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.8119 , -3.0226
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.107.22.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.107.22.0
Broadcast
81.107.22.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
54.5504 , -1.2532
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
— · Virgin Media
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.107.14.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.107.14.0
Broadcast
81.107.14.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.4798 , -2.3307
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
— · Virgin Media
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.106.12.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.106.12.0
Broadcast
81.106.12.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5768 , 0.02463
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top organization / ISP
— · Virgin Media
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2