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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.

216.227.103.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
216.227.103.0
Broadcast
216.227.103.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
46.942 , -122.606
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS12175 · Rainier Connect
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

217.66.99.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
217.66.99.0
Broadcast
217.66.99.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.458 , 30.5303
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

23.95.72.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
23.95.72.0
Broadcast
23.95.72.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.0544 , -118.244
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

24.93.117.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
24.93.117.0
Broadcast
24.93.117.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.4401 , -82.1258
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 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

31.129.245.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.129.245.0
Broadcast
31.129.245.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.4858 , 30.8971
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

31.131.104.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.131.104.0
Broadcast
31.131.104.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.5305 , 35.8613
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

31.135.130.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.135.130.0
Broadcast
31.135.130.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.9207 , 34.7959
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top geo
Ukraine · Sumy · Sumy
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

31.144.88.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.144.88.0
Broadcast
31.144.88.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8459 , 25.7256
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS21497 · PrJSC "VF UKRAINE"
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

31.202.27.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.202.27.0
Broadcast
31.202.27.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.982 , 36.2566
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS34700 · MAXNET TELECOM, LTD
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

31.202.6.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.202.6.0
Broadcast
31.202.6.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.982 , 36.2566
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS34700 · MAXNET TELECOM, LTD
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

31.31.119.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.31.119.0
Broadcast
31.31.119.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
46.4752 , 30.7338
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

31.31.120.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.31.120.0
Broadcast
31.31.120.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
46.4752 , 30.7338
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

31.42.170.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.42.170.0
Broadcast
31.42.170.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.6772 , 26.585
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

31.42.69.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.42.69.0
Broadcast
31.42.69.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.8184 , 31.1883
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS29688 · Vostok Ltd.
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

31.43.18.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.43.18.0
Broadcast
31.43.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.262 , 28.6722
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 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

31.43.233.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.43.233.0
Broadcast
31.43.233.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.6191 , 22.3025
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.115.80.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.115.80.0
Broadcast
37.115.80.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.5231 , 34.6136
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS15895 · "Kyivstar" PJSC
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.131.75.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.131.75.0
Broadcast
37.131.75.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
26.118 , 50.5011
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 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

37.203.19.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.203.19.0
Broadcast
37.203.19.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
46.4752 , 30.7338
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.229.172.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.229.172.0
Broadcast
37.229.172.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.2395 , 35.5119
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS15895 · "Kyivstar" PJSC
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.229.37.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.229.37.0
Broadcast
37.229.37.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.2395 , 35.5119
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS15895 · "Kyivstar" PJSC
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.46.252.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.46.252.0
Broadcast
37.46.252.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.6223 , 26.2396
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
Top organization / ISP
— · Triolan
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.52.18.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.52.18.0
Broadcast
37.52.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
46.4752 , 30.7338
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC "Ukrtelecom"
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.54.222.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.54.222.0
Broadcast
37.54.222.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.7614 , 25.331
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC "Ukrtelecom"
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.46.247.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.46.247.0
Broadcast
37.46.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.9207 , 34.7959
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
Top organization / ISP
— · Triolan
Top geo
Ukraine · Sumy · Sumy
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.52.126.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.52.126.0
Broadcast
37.52.126.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5156 , 30.7329
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC Ukrtelecom
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.52.255.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.52.255.0
Broadcast
37.52.255.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.458 , 30.5303
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC Ukrtelecom
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.52.67.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.52.67.0
Broadcast
37.52.67.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
46.4752 , 30.7338
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC Ukrtelecom
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.52.98.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.52.98.0
Broadcast
37.52.98.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5156 , 30.7329
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC "Ukrtelecom"
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.53.126.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.53.126.0
Broadcast
37.53.126.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.4443 , 30.5108
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC Ukrtelecom
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.53.143.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.53.143.0
Broadcast
37.53.143.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8152 , 29.3884
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC Ukrtelecom
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.53.195.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.53.195.0
Broadcast
37.53.195.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.6645 , 25.147
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC Ukrtelecom
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.53.199.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.53.199.0
Broadcast
37.53.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.6645 , 25.147
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC Ukrtelecom
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.53.209.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.53.209.0
Broadcast
37.53.209.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
46.9674 , 32.0037
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC Ukrtelecom
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.53.222.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.53.222.0
Broadcast
37.53.222.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
46.9674 , 32.0037
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC Ukrtelecom
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.53.233.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.53.233.0
Broadcast
37.53.233.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.5652 , 31.3327
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC Ukrtelecom
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.53.36.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.53.36.0
Broadcast
37.53.36.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.262 , 28.6722
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC Ukrtelecom
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.53.5.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.53.5.0
Broadcast
37.53.5.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5055 , 31.2933
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC Ukrtelecom
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.53.99.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.53.99.0
Broadcast
37.53.99.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.262 , 28.6722
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC Ukrtelecom
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.54.44.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.54.44.0
Broadcast
37.54.44.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.3294 , 26.5142
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS6849 · JSC Ukrtelecom
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
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