DigitalOcean Referral Badge
cloud1
cloud2
cloud3
cloud4
cloud5
cloud6

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.

13.58.13.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
13.58.13.0
Broadcast
13.58.13.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

13.58.235.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
13.58.235.0
Broadcast
13.58.235.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

13.58.99.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
13.58.99.0
Broadcast
13.58.99.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

18.190.26.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
18.190.26.0
Broadcast
18.190.26.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

18.216.126.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
18.216.126.0
Broadcast
18.216.126.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

18.217.225.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
18.217.225.0
Broadcast
18.217.225.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

3.138.143.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.138.143.0
Broadcast
3.138.143.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

3.15.231.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.15.231.0
Broadcast
3.15.231.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

3.22.118.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.22.118.0
Broadcast
3.22.118.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

3.22.194.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.22.194.0
Broadcast
3.22.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.182.99.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
51.182.99.0
Broadcast
51.182.99.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3339 , -6.2271
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 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

51.183.1.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
51.183.1.0
Broadcast
51.183.1.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3339 , -6.2271
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 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

51.187.108.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
51.187.108.0
Broadcast
51.187.108.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3498 , -6.26031
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-28 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

84.203.71.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
84.203.71.0
Broadcast
84.203.71.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3843 , -6.4203
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-25 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

89.100.233.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
89.100.233.0
Broadcast
89.100.233.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3837 , -6.1936
Hits / Errors
4 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top organization / ISP
— · NTL Ireland
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

18.222.207.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
18.222.207.0
Broadcast
18.222.207.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.228.221.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
37.228.221.0
Broadcast
37.228.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3641 , -6.2923
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top organization / ISP
— · NTL Ireland
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

46.7.18.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
46.7.18.0
Broadcast
46.7.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3402 , -6.2712
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-27 02:00
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

13.58.183.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
13.58.183.0
Broadcast
13.58.183.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

18.189.30.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
18.189.30.0
Broadcast
18.189.30.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

18.218.30.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
18.218.30.0
Broadcast
18.218.30.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

18.222.29.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
18.222.29.0
Broadcast
18.222.29.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

3.129.87.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.129.87.0
Broadcast
3.129.87.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

3.133.138.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.133.138.0
Broadcast
3.133.138.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

3.14.1.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.14.1.0
Broadcast
3.14.1.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

3.144.135.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.144.135.0
Broadcast
3.144.135.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

3.147.68.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.147.68.0
Broadcast
3.147.68.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.182.77.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
51.182.77.0
Broadcast
51.182.77.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3339 , -6.2271
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 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

84.203.57.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
84.203.57.0
Broadcast
84.203.57.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.2428 , -6.1774
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-26 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

176.61.81.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
176.61.81.0
Broadcast
176.61.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3402 , -6.2712
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-25 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

18.217.60.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
18.217.60.0
Broadcast
18.217.60.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

18.218.146.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
18.218.146.0
Broadcast
18.218.146.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

3.21.248.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.21.248.0
Broadcast
3.21.248.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

51.186.243.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
51.186.243.0
Broadcast
51.186.243.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.2916 , -6.41503
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 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

20.166.38.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
20.166.38.0
Broadcast
20.166.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3478 , -6.2597
Hits / Errors
4 hits · 2 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

109.76.54.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
109.76.54.0
Broadcast
109.76.54.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3843 , -6.4203
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 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

80.111.34.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
80.111.34.0
Broadcast
80.111.34.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3037 , -6.1831
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 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

86.41.72.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
86.41.72.0
Broadcast
86.41.72.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3068 , -6.261500000000001
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 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

86.44.36.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
86.44.36.0
Broadcast
86.44.36.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3627 , -6.2342
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 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

3.16.142.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
3.16.142.0
Broadcast
3.16.142.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2