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:
upc.pl
·
Clear
Snapshot
2026-01-21
Results
16
Page
1
/
1
89.76.208.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
89.76.208.0
Broadcast
89.76.208.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
52.1475 , 21.069
Hits / Errors
2
hits ·
0
errors
First / Last seen
2023-11-19 03:28 · 2023-11-19 16:16
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o.
·
UPC.pl
Top geo
Poland
·
Mazovia
·
Warsaw
Window / Updated
2023-11-13 → 2023-11-20 · Updated
2026-01-14
· v2
Open report →
89.64.26.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
30
Prefix / IP version
/24 · IPv4
Network
89.64.26.0
Broadcast
89.64.26.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.3813 , 18.591600000000003
Hits / Errors
30
hits ·
0
errors
First / Last seen
2025-03-19 15:04 · 2025-03-19 15:04
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o.
·
UPC.pl
Top geo
Poland
·
Pomerania
·
Gdansk
Window / Updated
2025-03-17 → 2025-03-24 · Updated
2026-01-14
· v2
Open report →
89.66.224.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
25
Prefix / IP version
/24 · IPv4
Network
89.66.224.0
Broadcast
89.66.224.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.2407 , 21.0798
Hits / Errors
25
hits ·
3
errors
First / Last seen
2024-11-03 10:47 · 2024-11-03 11:15
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o
·
UPC.pl
Top geo
Poland
·
Mazovia
·
Warsaw
Window / Updated
2024-10-28 → 2024-11-04 · Updated
2026-01-14
· v2
Open report →
89.64.39.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
22
Prefix / IP version
/24 · IPv4
Network
89.64.39.0
Broadcast
89.64.39.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.0325 , 19.9279
Hits / Errors
22
hits ·
1
errors
First / Last seen
2025-01-04 22:59 · 2025-01-04 23:00
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o.
·
UPC.pl
Top geo
Poland
·
Lesser Poland
·
Krakow
Window / Updated
2024-12-30 → 2025-01-06 · Updated
2026-01-14
· v2
Open report →
89.64.0.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
16
Prefix / IP version
/24 · IPv4
Network
89.64.0.0
Broadcast
89.64.0.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.1046 , 17.03
Hits / Errors
16
hits ·
0
errors
First / Last seen
2025-08-04 22:53 · 2025-08-04 22:53
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o.
·
UPC.pl
Top geo
Poland
·
Lower Silesia
·
Wroclaw
Window / Updated
2025-08-04 → 2025-08-11 · Updated
2026-01-14
· v2
Open report →
89.64.55.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
13
Prefix / IP version
/24 · IPv4
Network
89.64.55.0
Broadcast
89.64.55.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.0158 , 19.8999
Hits / Errors
13
hits ·
0
errors
First / Last seen
2024-02-01 10:56 · 2024-02-01 11:11
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o.
·
UPC.pl
Top geo
Poland
·
Lesser Poland
·
Krakow
Window / Updated
2024-01-29 → 2024-02-05 · Updated
2026-01-14
· v2
Open report →
89.64.4.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
11
Prefix / IP version
/24 · IPv4
Network
89.64.4.0
Broadcast
89.64.4.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.1046 , 17.03
Hits / Errors
11
hits ·
0
errors
First / Last seen
2024-05-20 00:02 · 2024-05-20 00:03
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o.
·
UPC.pl
Top geo
Poland
·
Lower Silesia
·
Wroclaw
Window / Updated
2024-05-13 → 2024-05-20 · Updated
2026-01-14
· v2
Open report →
89.64.95.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
89.64.95.0
Broadcast
89.64.95.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.2299 , 21.0093
Hits / Errors
4
hits ·
0
errors
First / Last seen
2025-10-04 20:15 · 2025-10-04 20:15
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o.
·
UPC.pl
Top geo
Poland
·
Mazovia
·
Warsaw
Window / Updated
2025-09-29 → 2025-10-06 · Updated
2026-01-14
· v2
Open report →
89.64.75.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
89.64.75.0
Broadcast
89.64.75.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.2299 , 21.0093
Hits / Errors
2
hits ·
1
errors
First / Last seen
2025-10-11 11:48 · 2025-10-11 11:48
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o.
·
UPC.pl
Top geo
Poland
·
Mazovia
·
Warsaw
Window / Updated
2025-10-06 → 2025-10-13 · Updated
2026-01-14
· v2
Open report →
89.64.56.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
89.64.56.0
Broadcast
89.64.56.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.0619 , 19.968
Hits / Errors
2
hits ·
0
errors
First / Last seen
2025-01-02 09:37 · 2025-01-02 09:38
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o.
·
UPC.pl
Top geo
Poland
·
Lesser Poland
·
Krakow
Window / Updated
2024-12-30 → 2025-01-06 · Updated
2026-01-14
· v2
Open report →
89.64.25.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
89.64.25.0
Broadcast
89.64.25.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.3752 , 18.6019
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-06-23 07:36 · 2025-06-23 07:36
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o.
·
UPC.pl
Top geo
Poland
·
Pomerania
·
Gdansk
Window / Updated
2025-06-23 → 2025-06-30 · Updated
2026-01-14
· v2
Open report →
87.206.72.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
87.206.72.0
Broadcast
87.206.72.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.8466 , 16.5759
Hits / Errors
1
hits ·
0
errors
First / Last seen
2024-02-23 12:01 · 2024-02-23 12:01
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o.
·
upc.pl
Top geo
Poland
·
Greater Poland
·
Leszno
Window / Updated
2024-02-19 → 2024-02-26 · Updated
2026-01-14
· v2
Open report →
89.70.231.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
89.70.231.0
Broadcast
89.70.231.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.3183 , 18.5839
Hits / Errors
1
hits ·
0
errors
First / Last seen
2024-01-21 01:07 · 2024-01-21 01:07
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o.
·
UPC.pl
Top geo
Poland
·
Pomerania
·
Gdansk
Window / Updated
2024-01-15 → 2024-01-22 · Updated
2026-01-14
· v2
Open report →
89.74.23.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
89.74.23.0
Broadcast
89.74.23.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.7714 , 16.2843
Hits / Errors
1
hits ·
0
errors
First / Last seen
2023-12-23 03:05 · 2023-12-23 03:05
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o.
·
UPC.pl
Top geo
Poland
·
Lower Silesia
·
Wałbrzych
Window / Updated
2023-12-18 → 2023-12-25 · Updated
2026-01-14
· v2
Open report →
89.66.64.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
89.66.64.0
Broadcast
89.66.64.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.262 , 20.9779
Hits / Errors
1
hits ·
0
errors
First / Last seen
2023-10-06 10:04 · 2023-10-06 10:04
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o
·
UPC.pl
Top geo
Poland
·
Mazovia
·
Warsaw
Window / Updated
2023-10-02 → 2023-10-09 · Updated
2026-01-14
· v2
Open report →
89.64.36.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
89.64.36.0
Broadcast
89.64.36.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.0619 , 19.968
Hits / Errors
1
hits ·
0
errors
First / Last seen
2023-09-27 01:07 · 2023-09-27 01:07
Top ASN
AS9141 ·
P4 Sp. z o.o.
Top organization / ISP
UPC Polska Sp. z o.o.
·
UPC.pl
Top geo
Poland
·
Lesser Poland
·
Krakow
Window / Updated
2023-09-25 → 2023-10-02 · Updated
2026-01-14
· v2
Open report →
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