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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.

81.71.99.0/24

Risk Max LOW Footprint 1.172% Hits 119
Prefix / IP version
/24 · IPv4
Network
81.71.99.0
Broadcast
81.71.99.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.1181 , 113.25390000000002
Hits / Errors
119 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.71.101.0/24

Risk Max LOW Footprint 0.781% Hits 167
Prefix / IP version
/24 · IPv4
Network
81.71.101.0
Broadcast
81.71.101.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
23.1181 , 113.2539
Hits / Errors
167 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.68.118.0/24

Risk Max LOW Footprint 0.781% Hits 76
Prefix / IP version
/24 · IPv4
Network
81.68.118.0
Broadcast
81.68.118.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
31.2222 , 121.4581
Hits / Errors
76 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.71.98.0/24

Risk Max LOW Footprint 0.781% Hits 49
Prefix / IP version
/24 · IPv4
Network
81.71.98.0
Broadcast
81.71.98.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
23.118100000000002 , 113.2539
Hits / Errors
49 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.68.120.0/24

Risk Max LOW Footprint 0.391% Hits 46
Prefix / IP version
/24 · IPv4
Network
81.68.120.0
Broadcast
81.68.120.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
31.222199999999997 , 121.45810000000002
Hits / Errors
46 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.68.110.0/24

Risk Max LOW Footprint 0.391% Hits 29
Prefix / IP version
/24 · IPv4
Network
81.68.110.0
Broadcast
81.68.110.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
31.2222 , 121.4581
Hits / Errors
29 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.68.121.0/24

Risk Max LOW Footprint 0.391% Hits 27
Prefix / IP version
/24 · IPv4
Network
81.68.121.0
Broadcast
81.68.121.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
31.2222 , 121.4581
Hits / Errors
27 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.71.94.0/24

Risk Max LOW Footprint 0.391% Hits 23
Prefix / IP version
/24 · IPv4
Network
81.71.94.0
Broadcast
81.71.94.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
23.1181 , 113.2539
Hits / Errors
23 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.68.111.0/24

Risk Max LOW Footprint 0.391% Hits 19
Prefix / IP version
/24 · IPv4
Network
81.68.111.0
Broadcast
81.68.111.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
31.2222 , 121.4581
Hits / Errors
19 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

85.148.248.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
85.148.248.0
Broadcast
85.148.248.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.9317 , 4.6022
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS5390 · EuroNet
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

85.148.40.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
85.148.40.0
Broadcast
85.148.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.3402 , 4.9084
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS5390 · EuroNet
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

85.148.38.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
85.148.38.0
Broadcast
85.148.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.2829 , 4.8287
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS5390 · EuroNet
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2