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:
OT - OPTIMA TELEKOM d.d
·
Clear
Snapshot
2026-03-05
Results
14
Page
1
/
1
89.201.229.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
89.201.229.0
Broadcast
89.201.229.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
45.6782 , 18.4032
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-27 02:00
Top ASN
AS34594 ·
Telemach Hrvatska d.o.o.
Top organization / ISP
— ·
OT - Optima Telekom d.d
Top geo
Croatia
·
County of Osijek-Baranja
·
Belišće
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
151.252.255.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
151.252.255.0
Broadcast
151.252.255.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.5473 , 18.6951
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS34594 ·
Telemach Hrvatska d.o.o.
Top organization / ISP
OT - OPTIMA TELEKOM d.d
·
Telemach Hrvatska d.o.o.
Top geo
Croatia
·
County of Osijek-Baranja
·
Osijek
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
89.201.234.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
89.201.234.0
Broadcast
89.201.234.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.6782 , 18.4032
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS34594 ·
Telemach Hrvatska d.o.o.
Top organization / ISP
— ·
OT - Optima Telekom d.d
Top geo
Croatia
·
County of Osijek-Baranja
·
Belišće
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
89.201.239.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
89.201.239.0
Broadcast
89.201.239.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.6782 , 18.4032
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS34594 ·
Telemach Hrvatska d.o.o.
Top organization / ISP
— ·
OT - Optima Telekom d.d
Top geo
Croatia
·
County of Osijek-Baranja
·
Belišće
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
89.201.208.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
89.201.208.0
Broadcast
89.201.208.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.3253 , 14.4409
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS34594 ·
Telemach Hrvatska d.o.o.
Top organization / ISP
— ·
OT - Optima Telekom d.d
Top geo
Croatia
·
Primorje-Gorski Kotar County
·
Rijeka
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
89.201.236.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
89.201.236.0
Broadcast
89.201.236.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.6782 , 18.4032
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS34594 ·
Telemach Hrvatska d.o.o.
Top organization / ISP
— ·
OT - Optima Telekom d.d
Top geo
Croatia
·
County of Osijek-Baranja
·
Belišće
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
89.201.249.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
89.201.249.0
Broadcast
89.201.249.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.5473 , 18.6951
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS34594 ·
Telemach Hrvatska d.o.o.
Top organization / ISP
— ·
OT - Optima Telekom d.d
Top geo
Croatia
·
County of Osijek-Baranja
·
Osijek
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
95.178.128.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
95.178.128.0
Broadcast
95.178.128.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.5098 , 16.4411
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS34594 ·
Telemach Hrvatska d.o.o.
Top organization / ISP
— ·
OT - Optima Telekom d.d
Top geo
Croatia
·
Split-Dalmatia County
·
Split
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
151.252.242.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
151.252.242.0
Broadcast
151.252.242.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.5473 , 18.6951
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS34594 ·
Telemach Hrvatska d.o.o.
Top organization / ISP
OT - OPTIMA TELEKOM d.d
·
Telemach Hrvatska d.o.o.
Top geo
Croatia
·
County of Osijek-Baranja
·
Osijek
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
89.201.235.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
89.201.235.0
Broadcast
89.201.235.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.6782 , 18.4032
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS34594 ·
Telemach Hrvatska d.o.o.
Top organization / ISP
— ·
OT - Optima Telekom d.d
Top geo
Croatia
·
County of Osijek-Baranja
·
Belišće
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
95.178.225.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
95.178.225.0
Broadcast
95.178.225.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.5098 , 16.4411
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS34594 ·
Telemach Hrvatska d.o.o.
Top organization / ISP
— ·
OT - Optima Telekom d.d
Top geo
Croatia
·
Split-Dalmatia County
·
Split
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
95.178.229.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
95.178.229.0
Broadcast
95.178.229.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.5098 , 16.4411
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS34594 ·
Telemach Hrvatska d.o.o.
Top organization / ISP
— ·
OT - Optima Telekom d.d
Top geo
Croatia
·
Split-Dalmatia County
·
Split
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
151.252.237.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
151.252.237.0
Broadcast
151.252.237.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.5473 , 18.6951
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS34594 ·
Telemach Hrvatska d.o.o.
Top organization / ISP
OT - OPTIMA TELEKOM d.d
·
Telemach Hrvatska d.o.o.
Top geo
Croatia
·
County of Osijek-Baranja
·
Osijek
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
95.178.185.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
95.178.185.0
Broadcast
95.178.185.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.8293 , 15.9793
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS34594 ·
Telemach Hrvatska d.o.o.
Top organization / ISP
— ·
OT - Optima Telekom d.d
Top geo
Croatia
·
City of Zagreb
·
Zagreb
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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