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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: Polkomtel Sp. z o.o · Clear
Snapshot 2026-03-04 Results 33 Page 1 / 1

37.209.135.0/24

Risk Max — LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
37.209.135.0
Broadcast
37.209.135.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
52.2299 , 21.009300000000003
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS29167 · Netia SA
Top organization / ISP
Polkomtel Sp. z o.o · Netia SA
Top geo
Poland · Mazovia · Warsaw
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.209.148.0/24

Risk Max — LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
37.209.148.0
Broadcast
37.209.148.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
52.4024 , 16.9282
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
AS29167 · Netia SA
Top organization / ISP
Polkomtel Sp. z o.o · Netia SA
Top geo
Poland · Greater Poland · Poznan
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

78.30.96.0/24

Risk Max — LOW Footprint 0.781% Hits 5
Prefix / IP version
/24 · IPv4
Network
78.30.96.0
Broadcast
78.30.96.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
52.2299 , 21.009300000000003
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-25 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Aero 2 sp. z o.o · AERO 2
Top geo
Poland · Mazovia · Warsaw
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.109.145.0/24

Risk Max — LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
37.109.145.0
Broadcast
37.109.145.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
52.402800000000006 , 20.74015
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-25 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Polkomtel Sp. z o.o · Polkomtel Sp. z o.o.
Top geo
Poland · Mazovia · Jakubów
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.209.134.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
37.209.134.0
Broadcast
37.209.134.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.22990000000001 , 21.0093
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS29167 · Netia SA
Top organization / ISP
Polkomtel Sp. z o.o · Netia SA
Top geo
Poland · Mazovia · Warsaw
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

151.248.33.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
151.248.33.0
Broadcast
151.248.33.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.2557 , 19.0148
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS29167 · Netia SA
Top organization / ISP
Polkomtel Sp. z o.o · Netia SA
Top geo
Poland · Silesia · Katowice
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

31.0.116.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
31.0.116.0
Broadcast
31.0.116.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.17940000000001 , 21.5725
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Cyfrowy Polsat S.A. · Polkomtel S.A.
Top geo
Poland · Mazovia · Mińsk Mazowiecki
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

31.0.2.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
31.0.2.0
Broadcast
31.0.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.7673 , 19.3431
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Polkomtel Sp. z o.o · Polkomtel Sp. z o.o.
Top geo
Poland · Łódź Voivodeship · Lodz
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.98.208.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
37.98.208.0
Broadcast
37.98.208.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.4064 , 16.9252
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Polkomtel Sp. z o.o · Polkomtel Sp. z o.o.
Top geo
Poland · Greater Poland · Poznan
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

31.0.114.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
31.0.114.0
Broadcast
31.0.114.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.1966 , 21.1775
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Cyfrowy Polsat S.A. · Polkomtel S.A.
Top geo
Poland · Mazovia · Wawer
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

78.30.105.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
78.30.105.0
Broadcast
78.30.105.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.2405 , 21.0214
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
AERO2 Mobile Broadband Services · AERO 2
Top geo
Poland · Mazovia · Warsaw
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

31.0.120.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.0.120.0
Broadcast
31.0.120.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.8282 , 22.3647
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Cyfrowy Polsat S.A · Polkomtel S.A
Top geo
Poland · Warmia-Masuria · Ełk
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

84.39.166.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
84.39.166.0
Broadcast
84.39.166.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.104 , 17.0385
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS29167 · Netia SA
Top organization / ISP
Polkomtel Sp. z o.o · Netia SA
Top geo
Poland · Lower Silesia · Wroclaw
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

31.0.125.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.0.125.0
Broadcast
31.0.125.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
54.2199 , 21.3535
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Cyfrowy Polsat S.A · Polkomtel S.A
Top geo
Poland · Warmia-Masuria · Barciany
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

31.0.5.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.0.5.0
Broadcast
31.0.5.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.7673 , 19.3431
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Polkomtel Sp. z o.o · Polkomtel Sp. z o.o.
Top geo
Poland · Łódź Voivodeship · Lodz
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

31.0.50.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.0.50.0
Broadcast
31.0.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.807 , 16.3166
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Polkomtel Sp. z o.o. · Polkomtel S.A.
Top geo
Poland · Lubusz · Wschowa
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.109.155.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.109.155.0
Broadcast
37.109.155.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.6482 , 19.0678
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Polkomtel Sp. z o.o · Polkomtel Sp. z o.o.
Top geo
Poland · Kujawsko-Pomorskie · Włocławek
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.109.163.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.109.163.0
Broadcast
37.109.163.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.7399 , 18.2165
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Polkomtel Sp. z o.o · Polkomtel Sp. z o.o.
Top geo
Poland · Greater Poland · Opatówek
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.209.145.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.209.145.0
Broadcast
37.209.145.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.4031 , 16.9262
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS29167 · Netia SA
Top organization / ISP
Polkomtel Sp. z o.o · Netia SA
Top geo
Poland · Greater Poland · Poznan
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.209.150.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.209.150.0
Broadcast
37.209.150.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.4056 , 16.9302
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS29167 · Netia SA
Top organization / ISP
Polkomtel Sp. z o.o · Netia SA
Top geo
Poland · Greater Poland · Poznan
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.248.151.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.248.151.0
Broadcast
37.248.151.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.1462 , 14.8926
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Cyfrowy Polsat S.A · Polkomtel Sp. z o.o.
Top geo
Poland · West Pomerania · Pyrzyce
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

31.0.7.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.0.7.0
Broadcast
31.0.7.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.7673 , 19.3431
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Polkomtel Sp. z o.o · Polkomtel Sp. z o.o.
Top geo
Poland · Łódź Voivodeship · Lodz
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

151.248.35.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
151.248.35.0
Broadcast
151.248.35.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.2601 , 19.0275
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS29167 · Netia SA
Top organization / ISP
Polkomtel Sp. z o.o · Netia SA
Top geo
Poland · Silesia · Katowice
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

151.248.38.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
151.248.38.0
Broadcast
151.248.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.0642 , 19.9676
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS29167 · Netia SA
Top organization / ISP
Polkomtel Sp. z o.o · Netia SA
Top geo
Poland · Lesser Poland · Grzegórzki
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.209.128.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.209.128.0
Broadcast
37.209.128.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.2365 , 20.9933
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS29167 · Netia SA
Top organization / ISP
Polkomtel Sp. z o.o · Netia SA
Top geo
Poland · Mazovia · Warsaw
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.248.222.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.248.222.0
Broadcast
37.248.222.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.5521 , 14.5718
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Polkomtel Sp. z o.o · Polkomtel Sp. z o.o.
Top geo
Poland · West Pomerania · Police
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

5.172.224.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
5.172.224.0
Broadcast
5.172.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.3014 , 16.9146
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Cyfrowy Polsat S.A. · Polkomtel Sp. z o.o.
Top geo
Poland · Lower Silesia · Oborniki Śląskie
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

78.30.110.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.30.110.0
Broadcast
78.30.110.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.2299 , 21.0093
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
AERO2 Mobile Broadband Services · AERO 2
Top geo
Poland · Mazovia · Warsaw
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

31.0.94.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.0.94.0
Broadcast
31.0.94.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.2299 , 21.0093
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Polkomtel Sp. z o.o · Polkomtel Sp. z o.o.
Top geo
Poland · Mazovia · Warsaw
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.109.147.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.109.147.0
Broadcast
37.109.147.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.7249 , 18.9311
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Polkomtel Sp. z o.o · Polkomtel Sp. z o.o.
Top geo
Poland · Pomerania · Kwidzyn
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.109.170.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.109.170.0
Broadcast
37.109.170.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.9355 , 15.5064
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS8374 · Polkomtel Sp. z o.o.
Top organization / ISP
Polkomtel Sp. z o.o · Polkomtel Sp. z o.o.
Top geo
Poland · Lubusz · Zielona Góra
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.209.132.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.209.132.0
Broadcast
37.209.132.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.2299 , 21.0093
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS29167 · Netia SA
Top organization / ISP
Polkomtel Sp. z o.o · Netia SA
Top geo
Poland · Mazovia · Warsaw
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.209.147.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.209.147.0
Broadcast
37.209.147.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.4056 , 16.9302
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS29167 · Netia SA
Top organization / ISP
Polkomtel Sp. z o.o · Netia SA
Top geo
Poland · Greater Poland · Poznan
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →