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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.
Active filter: Olsztyn · Clear
Snapshot 2026-01-24 Results 5 Page 1 / 1

88.156.59.0/24

Risk Max — LOW Footprint 0.391% Hits 50
Prefix / IP version
/24 · IPv4
Network
88.156.59.0
Broadcast
88.156.59.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.2604 , 21.0286
Hits / Errors
50 hits · 4 errors
First / Last seen
2025-05-25 01:42 · 2025-05-25 01:42
Top ASN
AS29314 · VECTRA S.A.
Top organization / ISP
Vectra S.A. · Vectra S.A. OLSZTYN
Top geo
Poland · Mazovia · Warsaw
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2
Open report →

5.184.90.0/24

Risk Max — LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
5.184.90.0
Broadcast
5.184.90.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.7815 , 20.494
Hits / Errors
6 hits · 0 errors
First / Last seen
2025-10-05 22:05 · 2025-10-05 22:05
Top ASN
AS5617 · Orange Polska Spolka Akcyjna
Top organization / ISP
PTK-Centertel · PTK CENTERTEL MOBILE data services
Top geo
Poland · Warmia-Masuria · Olsztyn
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2
Open report →

178.42.173.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
178.42.173.0
Broadcast
178.42.173.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.7842 , 20.4857
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-03-03 13:44 · 2025-03-03 13:44
Top ASN
AS5617 · Orange Polska Spolka Akcyjna
Top organization / ISP
Orange Polska S.A. · Orange Polska Spolka Akcyjna
Top geo
Poland · Warmia-Masuria · Olsztyn
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2
Open report →

193.169.255.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
193.169.255.0
Broadcast
193.169.255.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.7702 , 20.4649
Hits / Errors
2 hits · 2 errors
First / Last seen
2023-07-28 03:31 · 2023-07-28 03:31
Top ASN
—
Top organization / ISP
"SPRINT" S.A · "SPRINT" S.A
Top geo
Poland · Warmia-Masuria · Olsztyn
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2
Open report →

213.184.28.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
213.184.28.0
Broadcast
213.184.28.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.7784 , 20.4801
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-09-13 03:01 · 2023-09-13 03:01
Top ASN
AS21064 · University of Warmia and Mazury in Olsztyn, Poland
Top organization / ISP
— · OLMAN-COM
Top geo
Poland · Warmia-Masuria · Olsztyn
Window / Updated
2023-09-11 → 2023-09-18 · Updated 2026-01-14 · v2
Open report →