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:
PTK CENTERTEL MOBILE data services
·
Clear
Snapshot
2026-01-22
Results
16
Page
1
/
1
31.61.186.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
111
Prefix / IP version
/24 · IPv4
Network
31.61.186.0
Broadcast
31.61.186.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.2396 , 21.0649
Hits / Errors
111
hits ·
6
errors
First / Last seen
2024-09-10 02:30 · 2024-09-10 13:22
Top ASN
AS5617 ·
Orange Polska Spolka Akcyjna
Top organization / ISP
PTK CENTERTEL MOBILE data services
·
Orange Polska S.A.
Top geo
Poland
·
Mazovia
·
Warsaw
Window / Updated
2024-09-09 → 2024-09-16 · Updated
2026-01-14
· v2
Open report →
37.47.198.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
28
Prefix / IP version
/24 · IPv4
Network
37.47.198.0
Broadcast
37.47.198.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.68149999999999 , 19.1
Hits / Errors
28
hits ·
2
errors
First / Last seen
2025-05-14 20:29 · 2025-05-14 20:30
Top ASN
AS5617 ·
Orange Polska Spolka Akcyjna
Top organization / ISP
PTK CENTERTEL MOBILE data services
·
Orange Polska S.A.
Top geo
Poland
·
Kujawsko-Pomorskie
·
Szpetal Górny
Window / Updated
2025-05-12 → 2025-05-19 · Updated
2026-01-14
· v2
Open report →
37.47.116.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
24
Prefix / IP version
/24 · IPv4
Network
37.47.116.0
Broadcast
37.47.116.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.0545 , 19.9417
Hits / Errors
24
hits ·
0
errors
First / Last seen
2025-03-04 17:45 · 2025-03-04 22:53
Top ASN
AS5617 ·
Orange Polska Spolka Akcyjna
Top organization / ISP
PTK CENTERTEL MOBILE data services
·
Orange Polska S.A.
Top geo
Poland
·
Lesser Poland
·
Krakow
Window / Updated
2025-03-03 → 2025-03-10 · Updated
2026-01-14
· v2
Open report →
37.225.21.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
21
Prefix / IP version
/24 · IPv4
Network
37.225.21.0
Broadcast
37.225.21.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.76519999999999 , 19.4544
Hits / Errors
21
hits ·
1
errors
First / Last seen
2025-01-27 20:02 · 2025-01-27 20:15
Top ASN
AS5617 ·
Orange Polska Spolka Akcyjna
Top organization / ISP
PTK CENTERTEL MOBILE data services
·
Orange Polska S.A.
Top geo
Poland
·
Łódź Voivodeship
·
Lodz
Window / Updated
2025-01-27 → 2025-02-03 · Updated
2026-01-14
· v2
Open report →
31.61.243.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
17
Prefix / IP version
/24 · IPv4
Network
31.61.243.0
Broadcast
31.61.243.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.2311 , 20.963
Hits / Errors
17
hits ·
0
errors
First / Last seen
2025-03-01 14:37 · 2025-03-01 14:38
Top ASN
AS5617 ·
Orange Polska Spolka Akcyjna
Top organization / ISP
PTK-Centertel
·
PTK CENTERTEL MOBILE data services
Top geo
Poland
·
Mazovia
·
Warsaw
Window / Updated
2025-02-24 → 2025-03-03 · Updated
2026-01-14
· v2
Open report →
46.134.149.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
16
Prefix / IP version
/24 · IPv4
Network
46.134.149.0
Broadcast
46.134.149.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.2746 , 18.9936
Hits / Errors
16
hits ·
0
errors
First / Last seen
2025-01-17 19:13 · 2025-01-17 19:15
Top ASN
AS5617 ·
Orange Polska Spolka Akcyjna
Top organization / ISP
PTK-Centertel
·
PTK CENTERTEL MOBILE data services
Top geo
Poland
·
Silesia
·
Katowice
Window / Updated
2025-01-13 → 2025-01-20 · Updated
2026-01-14
· v2
Open report →
31.61.245.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
15
Prefix / IP version
/24 · IPv4
Network
31.61.245.0
Broadcast
31.61.245.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.2309 , 20.9727
Hits / Errors
15
hits ·
0
errors
First / Last seen
2025-03-02 23:08 · 2025-03-02 23:08
Top ASN
AS5617 ·
Orange Polska Spolka Akcyjna
Top organization / ISP
PTK-Centertel
·
PTK CENTERTEL MOBILE data services
Top geo
Poland
·
Mazovia
·
Warsaw
Window / Updated
2025-02-24 → 2025-03-03 · Updated
2026-01-14
· v2
Open report →
31.61.166.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
7
Prefix / IP version
/24 · IPv4
Network
31.61.166.0
Broadcast
31.61.166.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.2463 , 21.0483
Hits / Errors
7
hits ·
0
errors
First / Last seen
2024-12-04 14:02 · 2024-12-04 14:02
Top ASN
AS5617 ·
Orange Polska Spolka Akcyjna
Top organization / ISP
PTK CENTERTEL MOBILE data services
·
Orange Polska S.A.
Top geo
Poland
·
Mazovia
·
Warsaw
Window / Updated
2024-12-02 → 2024-12-09 · 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 →
31.61.167.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
31.61.167.0
Broadcast
31.61.167.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.2463 , 21.0483
Hits / Errors
3
hits ·
0
errors
First / Last seen
2024-12-04 14:02 · 2024-12-04 14:02
Top ASN
AS5617 ·
Orange Polska Spolka Akcyjna
Top organization / ISP
PTK CENTERTEL MOBILE data services
·
Orange Polska S.A.
Top geo
Poland
·
Mazovia
·
Warsaw
Window / Updated
2024-12-02 → 2024-12-09 · Updated
2026-01-14
· v2
Open report →
5.184.213.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
5.184.213.0
Broadcast
5.184.213.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.2629 , 19.0178
Hits / Errors
2
hits ·
1
errors
First / Last seen
2024-12-13 21:28 · 2024-12-13 21:28
Top ASN
AS5617 ·
Orange Polska Spolka Akcyjna
Top organization / ISP
PTK-Centertel
·
PTK CENTERTEL MOBILE data services
Top geo
Poland
·
Silesia
·
Katowice
Window / Updated
2024-12-09 → 2024-12-16 · Updated
2026-01-14
· v2
Open report →
31.61.182.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
31.61.182.0
Broadcast
31.61.182.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.2594 , 21.0356
Hits / Errors
2
hits ·
1
errors
First / Last seen
2023-12-30 02:19 · 2023-12-30 02:19
Top ASN
AS5617 ·
Orange Polska Spolka Akcyjna
Top organization / ISP
PTK CENTERTEL MOBILE data services
·
Orange Polska S.A.
Top geo
Poland
·
Mazovia
·
Warsaw
Window / Updated
2023-12-25 → 2024-01-01 · Updated
2026-01-14
· v2
Open report →
37.47.104.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
37.47.104.0
Broadcast
37.47.104.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
50.0596 , 19.9338
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-12-31 23:32 · 2025-12-31 23:32
Top ASN
AS5617 ·
Orange Polska Spolka Akcyjna
Top organization / ISP
PTK CENTERTEL MOBILE data services
·
Orange Polska S.A.
Top geo
Poland
·
Lesser Poland
·
Krakow
Window / Updated
2025-12-29 → 2026-01-05 · Updated
2026-01-14
· v2
Open report →
31.60.48.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
31.60.48.0
Broadcast
31.60.48.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.1046 , 17.03
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-12-21 23:05 · 2025-12-21 23:05
Top ASN
AS5617 ·
Orange Polska Spolka Akcyjna
Top organization / ISP
PTK-Centertel
·
PTK CENTERTEL MOBILE data services
Top geo
Poland
·
Lower Silesia
·
Wroclaw
Window / Updated
2025-12-15 → 2025-12-22 · Updated
2026-01-14
· v2
Open report →
37.47.228.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
37.47.228.0
Broadcast
37.47.228.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.6482 , 19.0678
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-09-26 23:02 · 2025-09-26 23:02
Top ASN
AS5617 ·
Orange Polska Spolka Akcyjna
Top organization / ISP
PTK CENTERTEL MOBILE data services
·
Orange Polska S.A.
Top geo
Poland
·
Kujawsko-Pomorskie
·
Włocławek
Window / Updated
2025-09-22 → 2025-09-29 · Updated
2026-01-14
· v2
Open report →
37.225.23.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
37.225.23.0
Broadcast
37.225.23.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
51.7652 , 19.4544
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-08-05 00:30 · 2025-08-05 00:30
Top ASN
AS5617 ·
Orange Polska Spolka Akcyjna
Top organization / ISP
PTK CENTERTEL MOBILE data services
·
Orange Polska S.A.
Top geo
Poland
·
Łódź Voivodeship
·
Lodz
Window / Updated
2025-08-04 → 2025-08-11 · Updated
2026-01-14
· v2
Open report →
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