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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.

78.137.145.0/24

Risk Max LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
78.137.145.0
Broadcast
78.137.145.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
52.6596 , -7.254599999999999
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS31122 · Digiweb ltd
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

86.41.43.0/24

Risk Max LOW Footprint 0.781% Hits 5
Prefix / IP version
/24 · IPv4
Network
86.41.43.0
Broadcast
86.41.43.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
52.6596 , -7.254599999999999
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS5466 · Eircom Limited
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

109.76.249.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
109.76.249.0
Broadcast
109.76.249.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
52.6542 , -7.25222
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-03-01 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.137.150.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
78.137.150.0
Broadcast
78.137.150.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
52.65959999999999 , -7.2546
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top ASN
AS31122 · Digiweb ltd
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

109.78.139.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
109.78.139.0
Broadcast
109.78.139.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.0106 , -8.066345
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-03-02 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

109.77.127.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
109.77.127.0
Broadcast
109.77.127.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
52.731 , -7.84389
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

83.147.166.0/24

Risk Max LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
83.147.166.0
Broadcast
83.147.166.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6596 , -7.254600000000001
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS31122 · Digiweb ltd
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.171.48.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
51.171.48.0
Broadcast
51.171.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6596 , -7.2546
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 02:00
Top ASN
AS5466 · Eircom Limited
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

109.77.99.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
109.77.99.0
Broadcast
109.77.99.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6542 , -7.25222
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-25 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.137.151.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
78.137.151.0
Broadcast
78.137.151.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.65959999999999 , -7.2546
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS31122 · Digiweb ltd
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

86.46.249.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
86.46.249.0
Broadcast
86.46.249.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.65959999999999 , -7.2546
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS5466 · Eircom Limited
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

185.213.135.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
185.213.135.0
Broadcast
185.213.135.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6596 , -7.2546
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS49567 · Aptus Ltd
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

86.46.101.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
86.46.101.0
Broadcast
86.46.101.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6596 , -7.2546
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
AS5466 · Eircom Limited
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

86.46.195.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
86.46.195.0
Broadcast
86.46.195.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6596 , -7.2546
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-27 02:00
Top ASN
AS5466 · Eircom Limited
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.187.210.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
51.187.210.0
Broadcast
51.187.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6542 , -7.25222
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS5607 · Sky UK Limited
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

185.213.133.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
185.213.133.0
Broadcast
185.213.133.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6596 , -7.2546
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS49567 · Aptus Ltd
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.37.222.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
51.37.222.0
Broadcast
51.37.222.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6542 , -7.25222
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

86.41.42.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
86.41.42.0
Broadcast
86.41.42.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6596 , -7.2546
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS5466 · Eircom Limited
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

109.76.127.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.76.127.0
Broadcast
109.76.127.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6542 , -7.25222
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.137.149.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.137.149.0
Broadcast
78.137.149.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6596 , -7.2546
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS31122 · Digiweb ltd
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.171.108.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
51.171.108.0
Broadcast
51.171.108.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6596 , -7.2546
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS5466 · Eircom Limited
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

86.46.102.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
86.46.102.0
Broadcast
86.46.102.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6596 , -7.2546
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS5466 · Eircom Limited
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

89.16.84.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
89.16.84.0
Broadcast
89.16.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6596 , -7.2546
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS31122 · Digiweb ltd
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

109.77.150.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
109.77.150.0
Broadcast
109.77.150.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6542 , -7.25222
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