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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.

109.76.242.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
109.76.242.0
Broadcast
109.76.242.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
52.90463333333333 , -7.800366666666666
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.228.243.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
37.228.243.0
Broadcast
37.228.243.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.38570000000001 , -6.2403
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top organization / ISP
— · NTL Ireland
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

51.171.220.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
51.171.220.0
Broadcast
51.171.220.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
52.3512 , -7.7063999999999995
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-13 02:00
Top ASN
AS5466 · Eircom Limited
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.228.230.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
37.228.230.0
Broadcast
37.228.230.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.32486666666667 , -6.238566666666666
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top organization / ISP
— · NTL Ireland
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

51.37.253.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
51.37.253.0
Broadcast
51.37.253.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.3868 , -6.18067
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top ASN
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

78.152.219.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
78.152.219.0
Broadcast
78.152.219.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.3597 , -6.4496
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

86.41.76.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
86.41.76.0
Broadcast
86.41.76.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
52.39860000000001 , -6.9449
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Top ASN
AS5466 · Eircom Limited
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

212.129.82.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
212.129.82.0
Broadcast
212.129.82.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.2845 , -6.366600000000001
Hits / Errors
3 hits · 1 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Top ASN
AS15751 · Eircom Limited
Top organization / ISP
— · METEOR-GPRS
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.228.211.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
37.228.211.0
Broadcast
37.228.211.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.3339 , -6.2271
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top organization / ISP
— · NTL Ireland
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

80.233.61.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
80.233.61.0
Broadcast
80.233.61.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.41563333333334 , -7.252109999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-11 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

64.43.39.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
64.43.39.0
Broadcast
64.43.39.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.6138 , -6.3655566666666665
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-10 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

78.152.207.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
78.152.207.0
Broadcast
78.152.207.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.3683 , -6.394266666666667
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-10 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

51.186.221.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
51.186.221.0
Broadcast
51.186.221.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.334900000000005 , -6.383215
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
AS5607 · Sky UK Limited
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

51.37.9.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
51.37.9.0
Broadcast
51.37.9.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.1622 , -7.19111
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

109.76.222.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
109.76.222.0
Broadcast
109.76.222.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.80735 , -8.178195
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

51.37.18.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
51.37.18.0
Broadcast
51.37.18.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.3743 , -7.28167
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

109.76.120.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
109.76.120.0
Broadcast
109.76.120.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
51.8744 , -8.435
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

109.77.15.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
109.77.15.0
Broadcast
109.77.15.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
52.467749999999995 , -7.775135
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

51.37.197.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
51.37.197.0
Broadcast
51.37.197.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
52.6647 , -8.62306
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

89.184.61.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
89.184.61.0
Broadcast
89.184.61.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.35735 , -6.34145
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

64.43.137.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
64.43.137.0
Broadcast
64.43.137.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.4228 , -7.93722
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

86.45.78.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
86.45.78.0
Broadcast
86.45.78.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.2963 , -6.1304
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
AS5466 · Eircom Limited
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

109.77.117.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
109.77.117.0
Broadcast
109.77.117.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
52.7535 , -7.2142599999999995
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

109.78.41.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
109.78.41.0
Broadcast
109.78.41.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.22295 , -8.1976
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

217.183.51.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
217.183.51.0
Broadcast
217.183.51.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.3969 , -6.2069
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
AS5466 · Eircom Limited
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

109.76.112.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
109.76.112.0
Broadcast
109.76.112.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.3931 , -6.42694
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

51.37.240.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
51.37.240.0
Broadcast
51.37.240.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
52.8408 , -6.92611
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top ASN
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

64.43.173.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
64.43.173.0
Broadcast
64.43.173.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
54.126400000000004 , -6.993565
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

109.78.143.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
109.78.143.0
Broadcast
109.78.143.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.8 , -9.51667
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

86.42.25.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
86.42.25.0
Broadcast
86.42.25.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
51.8967 , -8.4683
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
AS5466 · Eircom Limited
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

109.78.42.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
109.78.42.0
Broadcast
109.78.42.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.2724 , -9.05095
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

109.77.42.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
109.77.42.0
Broadcast
109.77.42.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.419 , -6.47375
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

145.79.198.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
145.79.198.0
Broadcast
145.79.198.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.3354 , -6.252
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
AS212238 · Datacamp Limited
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

109.255.146.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
109.255.146.0
Broadcast
109.255.146.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.3382 , -6.2591
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top organization / ISP
— · NTL Ireland
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

84.203.196.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
84.203.196.0
Broadcast
84.203.196.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
52.6669 , -8.6274
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-13 02:00
Top ASN
AS31122 · Digiweb ltd
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

51.171.140.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
51.171.140.0
Broadcast
51.171.140.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.8465 , -9.2967
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
AS5466 · Eircom Limited
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

109.79.21.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
109.79.21.0
Broadcast
109.79.21.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
54.3866 , -7.134650000000001
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

212.129.87.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
212.129.87.0
Broadcast
212.129.87.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.3855 , -6.2836
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-13 02:00
Top ASN
AS15751 · Eircom Limited
Top organization / ISP
— · METEOR-GPRS
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

51.199.61.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
51.199.61.0
Broadcast
51.199.61.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.444 , -6.20334
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-13 02:00
Top ASN
AS5607 · Sky UK Limited
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.228.249.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
37.228.249.0
Broadcast
37.228.249.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
53.3741 , -6.258900000000001
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
— · NTL Ireland
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
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