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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.

193.121.51.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
193.121.51.0
Broadcast
193.121.51.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.047 , 3.7206
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS5432 · Proximus NV
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

83.134.65.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
83.134.65.0
Broadcast
83.134.65.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.047 , 3.7205999999999997
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS5432 · Proximus NV
Top organization / ISP
— · Scarlet-TIS
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.244.5.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
81.244.5.0
Broadcast
81.244.5.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.047 , 3.7205999999999997
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS5432 · Proximus NV
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.177.6.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
91.177.6.0
Broadcast
91.177.6.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.047 , 3.7205999999999997
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS5432 · Proximus NV
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

87.64.135.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
87.64.135.0
Broadcast
87.64.135.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.047 , 3.7206
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS5432 · Proximus NV
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.181.251.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
91.181.251.0
Broadcast
91.181.251.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.047 , 3.7206
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS5432 · Proximus NV
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

109.138.123.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.138.123.0
Broadcast
109.138.123.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.047 , 3.7206
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS5432 · Proximus NV
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

81.246.197.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
81.246.197.0
Broadcast
81.246.197.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.047 , 3.7206
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS5432 · Proximus NV
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

193.74.78.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
193.74.78.0
Broadcast
193.74.78.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.047 , 3.7206
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS5432 · Proximus NV
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.177.71.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
91.177.71.0
Broadcast
91.177.71.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.047 , 3.7206
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS5432 · Proximus NV
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2