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.
Search
Active filter:
Sumy
·
Clear
Snapshot
2026-03-10
Results
70
Page
2
/
2
31.135.152.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
31.135.152.0
Broadcast
31.135.152.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS20539 ·
Technical Centre Radio Systems Ltd.
Top organization / ISP
TC Radio Systems
·
Technical Centre Radio Systems Ltd
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
31.135.148.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
31.135.148.0
Broadcast
31.135.148.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 02:00
Top ASN
AS20539 ·
Technical Centre Radio Systems Ltd.
Top organization / ISP
TC Radio Systems
·
Technical Centre Radio Systems Ltd
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
194.28.146.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
194.28.146.0
Broadcast
194.28.146.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS197058 ·
Pimonenko Sergey
Top organization / ISP
Pimonenko Sergey
·
Physical person-businessman Pimonenko Sergey
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
193.111.240.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
193.111.240.0
Broadcast
193.111.240.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9174 , 34.7991
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS24999 ·
Sumy Online Ltd
Top organization / ISP
Sumy Online Ltd
·
Sumy Online Ltd
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
31.135.155.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
31.135.155.0
Broadcast
31.135.155.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS20539 ·
Technical Centre Radio Systems Ltd.
Top organization / ISP
TC Radio Systems
·
Technical Centre Radio Systems Ltd
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
89.209.124.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
89.209.124.0
Broadcast
89.209.124.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9174 , 34.7991
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS21497 ·
PrJSC VF UKRAINE
Top organization / ISP
VF-Ukraine
·
PrJSC "VF UKRAINE"
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
194.146.180.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
194.146.180.0
Broadcast
194.146.180.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS16327 ·
Pavlabor LTD
Top organization / ISP
Pavlabor LTD
·
Pavlabor LTD
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
91.225.93.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
91.225.93.0
Broadcast
91.225.93.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.2403 , 33.2026
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS44482 ·
TOV "TRK Radioservice"
Top organization / ISP
TOV "TRK Radioservice"
·
TOV "TRK Radioservice"
Top geo
Ukraine
·
Sumy
·
Konotop
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
91.234.140.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
91.234.140.0
Broadcast
91.234.140.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.7577 , 33.4725
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS57726 ·
PE "Teleradiocompania RKT-2"
Top organization / ISP
RKT2 whole
·
PE "Teleradiocompania RKT-2"
Top geo
Ukraine
·
Sumy
·
Romny
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
31.135.136.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
31.135.136.0
Broadcast
31.135.136.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS20539 ·
Technical Centre Radio Systems Ltd.
Top organization / ISP
TC Radio Systems
·
Technical Centre Radio Systems Ltd
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
31.135.151.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
31.135.151.0
Broadcast
31.135.151.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS20539 ·
Technical Centre Radio Systems Ltd.
Top organization / ISP
TC Radio Systems
·
Technical Centre Radio Systems Ltd
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
81.163.127.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
81.163.127.0
Broadcast
81.163.127.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.3596 , 34.8982
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS42530 ·
TOV "Telecommunication company "Plazma"
Top organization / ISP
PlazmaRoute
·
TOV "Telecommunication company "Plazma"
Top geo
Ukraine
·
Sumy
·
Okhtyrka
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
95.47.149.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
95.47.149.0
Broadcast
95.47.149.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS41967 ·
Sumski Telecom Systems Ltd
Top organization / ISP
TKS
·
Sumski Telecom Systems Ltd
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
37.55.57.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
37.55.57.0
Broadcast
37.55.57.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.2403 , 33.2026
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS6849 ·
JSC Ukrtelecom
Top organization / ISP
Ukrtelnet Adsl
·
JSC "Ukrtelecom"
Top geo
Ukraine
·
Sumy
·
Konotop
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
193.34.94.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
193.34.94.0
Broadcast
193.34.94.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS41967 ·
Sumski Telecom Systems Ltd
Top organization / ISP
TKS
·
Sumski Telecom Systems Ltd
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
37.46.245.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
37.46.245.0
Broadcast
37.46.245.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS13188 ·
CONTENT DELIVERY NETWORK LTD
Top organization / ISP
— ·
Triolan
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
37.55.9.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
37.55.9.0
Broadcast
37.55.9.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.551 , 33.3833
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS6849 ·
JSC "Ukrtelecom"
Top organization / ISP
Ukrtelnet Adsl
·
JSC "Ukrtelecom"
Top geo
Ukraine
·
Sumy
·
Krolevets
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
89.19.121.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
89.19.121.0
Broadcast
89.19.121.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21312 ·
GRYGORIY CHEREDA
Top organization / ISP
Chereda Sumy subsidiary
·
Chereda Sumy
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
176.108.234.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
176.108.234.0
Broadcast
176.108.234.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
1
hits ·
1
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS39422 ·
Oleksandr Yaremenko
Top organization / ISP
Sumy Computer Networks
·
Oleksandr Yaremenko
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
31.135.145.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
31.135.145.0
Broadcast
31.135.145.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS20539 ·
Technical Centre Radio Systems Ltd.
Top organization / ISP
TC Radio Systems
·
Technical Centre Radio Systems Ltd
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
94.199.167.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
94.199.167.0
Broadcast
94.199.167.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS20539 ·
Technical Centre Radio Systems Ltd.
Top organization / ISP
MIK Telecom Ltd
·
Technical Centre Radio Systems Ltd.
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
176.108.232.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
176.108.232.0
Broadcast
176.108.232.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS39422 ·
Oleksandr Yaremenko
Top organization / ISP
Sumy Computer Networks
·
Oleksandr Yaremenko
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
193.169.124.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
193.169.124.0
Broadcast
193.169.124.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.6771 , 33.913
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS25553 ·
TRK Gluhov Ltd.
Top organization / ISP
TRK Gluhov Ltd
·
TRK Gluhov Ltd.
Top geo
Ukraine
·
Sumy
·
Hlukhiv
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
194.44.108.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
194.44.108.0
Broadcast
194.44.108.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
49.9198 , 23.7291
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS3255 ·
UARNet-Eksintech
Top organization / ISP
— ·
UARNET-SUMY
Top geo
Ukraine
·
Lviv
·
Ivano-Frankove
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
37.55.20.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
37.55.20.0
Broadcast
37.55.20.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9559 , 34.6058
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS6849 ·
JSC "Ukrtelecom"
Top organization / ISP
Ukrtelnet Adsl
·
JSC "Ukrtelecom"
Top geo
Ukraine
·
Sumy
·
Stepanovka
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
37.55.48.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
37.55.48.0
Broadcast
37.55.48.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.2403 , 33.2026
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS6849 ·
JSC Ukrtelecom
Top organization / ISP
Ukrtelnet Adsl
·
JSC "Ukrtelecom"
Top geo
Ukraine
·
Sumy
·
Konotop
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
91.225.95.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
91.225.95.0
Broadcast
91.225.95.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.2403 , 33.2026
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS44482 ·
TOV "TRK Radioservice"
Top organization / ISP
TOV "TRK Radioservice"
·
TOV "TRK Radioservice"
Top geo
Ukraine
·
Sumy
·
Konotop
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
94.199.166.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
94.199.166.0
Broadcast
94.199.166.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.9207 , 34.7959
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS20539 ·
Technical Centre Radio Systems Ltd.
Top organization / ISP
MIK Telecom Ltd
·
Technical Centre Radio Systems Ltd.
Top geo
Ukraine
·
Sumy
·
Sumy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
37.55.54.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
37.55.54.0
Broadcast
37.55.54.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.8641 , 33.4707
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS6849 ·
JSC "Ukrtelecom"
Top organization / ISP
JSC Ukrtelecom
·
UKRTELECOM
Top geo
Ukraine
·
Sumy
·
Shostka
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
91.225.92.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
91.225.92.0
Broadcast
91.225.92.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.2403 , 33.2026
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS44482 ·
TOV "TRK Radioservice"
Top organization / ISP
TOV "TRK Radioservice"
·
TOV "TRK Radioservice"
Top geo
Ukraine
·
Sumy
·
Konotop
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
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