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:
WiscNet
·
Clear
Snapshot
2026-01-21
Results
16
Page
1
/
1
205.213.112.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
431
Prefix / IP version
/24 · IPv4
Network
205.213.112.0
Broadcast
205.213.112.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.103 , -89.5073
Hits / Errors
431
hits ·
23
errors
First / Last seen
2024-12-16 16:23 · 2024-12-20 21:04
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
WiscNet
·
WiscNet
Top geo
United States
·
Wisconsin
·
Middleton
Window / Updated
2024-12-16 → 2024-12-23 · Updated
2026-01-14
· v2
Open report →
216.56.9.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
40
Prefix / IP version
/24 · IPv4
Network
216.56.9.0
Broadcast
216.56.9.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.1154 , -88.0346
Hits / Errors
40
hits ·
0
errors
First / Last seen
2025-05-23 20:25 · 2025-05-23 20:42
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
WiscNet
·
WiscNet
Top geo
United States
·
Wisconsin
·
Milwaukee
Window / Updated
2025-05-19 → 2025-05-26 · Updated
2026-01-14
· v2
Open report →
216.56.105.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
28
Prefix / IP version
/24 · IPv4
Network
216.56.105.0
Broadcast
216.56.105.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.067 , -87.9682
Hits / Errors
28
hits ·
0
errors
First / Last seen
2025-03-19 22:27 · 2025-03-19 22:27
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
WiscNet
·
WiscNet
Top geo
United States
·
Wisconsin
·
Milwaukee
Window / Updated
2025-03-17 → 2025-03-24 · Updated
2026-01-14
· v2
Open report →
216.56.4.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
25
Prefix / IP version
/24 · IPv4
Network
216.56.4.0
Broadcast
216.56.4.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.0818 , -87.892
Hits / Errors
25
hits ·
0
errors
First / Last seen
2025-01-23 20:13 · 2025-01-23 21:42
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
WiscNet
·
WiscNet
Top geo
United States
·
Wisconsin
·
Milwaukee
Window / Updated
2025-01-20 → 2025-01-27 · Updated
2026-01-14
· v2
Open report →
216.56.80.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
25
Prefix / IP version
/24 · IPv4
Network
216.56.80.0
Broadcast
216.56.80.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.9896 , -88.08760000000001
Hits / Errors
25
hits ·
2
errors
First / Last seen
2024-11-09 09:47 · 2024-11-09 09:48
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
WiscNet
·
WiscNet
Top geo
United States
·
Wisconsin
·
New Berlin
Window / Updated
2024-11-04 → 2024-11-11 · Updated
2026-01-14
· v2
Open report →
216.56.84.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
22
Prefix / IP version
/24 · IPv4
Network
216.56.84.0
Broadcast
216.56.84.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.9896 , -88.0876
Hits / Errors
22
hits ·
0
errors
First / Last seen
2025-05-29 21:32 · 2025-05-29 21:32
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
WiscNet
·
WiscNet
Top geo
United States
·
Wisconsin
·
New Berlin
Window / Updated
2025-05-26 → 2025-06-02 · Updated
2026-01-14
· v2
Open report →
216.56.74.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
20
Prefix / IP version
/24 · IPv4
Network
216.56.74.0
Broadcast
216.56.74.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.0742 , -87.9149
Hits / Errors
20
hits ·
0
errors
First / Last seen
2025-04-08 15:58 · 2025-04-08 16:11
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
WiscNet
·
WiscNet
Top geo
United States
·
Wisconsin
·
Milwaukee
Window / Updated
2025-04-07 → 2025-04-14 · Updated
2026-01-14
· v2
Open report →
216.56.22.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
12
Prefix / IP version
/24 · IPv4
Network
216.56.22.0
Broadcast
216.56.22.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
44.181099999999994 , -88.4762
Hits / Errors
12
hits ·
1
errors
First / Last seen
2024-11-14 20:44 · 2024-11-14 20:45
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
WiscNet
·
WiscNet
Top geo
United States
·
Wisconsin
·
Neenah
Window / Updated
2024-11-11 → 2024-11-18 · Updated
2026-01-14
· v2
Open report →
199.197.71.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
11
Prefix / IP version
/24 · IPv4
Network
199.197.71.0
Broadcast
199.197.71.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.1205 , -89.3523
Hits / Errors
11
hits ·
0
errors
First / Last seen
2024-12-17 19:39 · 2024-12-17 19:41
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
Madison Metropolitan School District
·
WiscNet
Top geo
United States
·
Wisconsin
·
Madison
Window / Updated
2024-12-16 → 2024-12-23 · Updated
2026-01-14
· v2
Open report →
216.56.13.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
216.56.13.0
Broadcast
216.56.13.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
44.9334 , -91.39119999999998
Hits / Errors
3
hits ·
0
errors
First / Last seen
2024-11-20 12:24 · 2024-11-20 12:24
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
WiscNet
·
WiscNet
Top geo
United States
·
Wisconsin
·
Chippewa Falls
Window / Updated
2024-11-18 → 2024-11-25 · Updated
2026-01-14
· v2
Open report →
216.56.21.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
216.56.21.0
Broadcast
216.56.21.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
44.1811 , -88.4762
Hits / Errors
2
hits ·
1
errors
First / Last seen
2024-12-02 22:23 · 2024-12-02 22:23
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
WiscNet
·
WiscNet
Top geo
United States
·
Wisconsin
·
Neenah
Window / Updated
2024-12-02 → 2024-12-09 · Updated
2026-01-14
· v2
Open report →
216.56.6.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
216.56.6.0
Broadcast
216.56.6.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.0818 , -87.892
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-04-03 20:51 · 2025-04-03 20:51
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
WiscNet
·
WiscNet
Top geo
United States
·
Wisconsin
·
Milwaukee
Window / Updated
2025-03-31 → 2025-04-07 · Updated
2026-01-14
· v2
Open report →
216.56.250.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
216.56.250.0
Broadcast
216.56.250.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.1783 , -89.6915
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-03-07 21:52 · 2025-03-07 21:52
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
WiscNet
·
WiscNet
Top geo
United States
·
Wisconsin
·
Merrill
Window / Updated
2025-03-03 → 2025-03-10 · Updated
2026-01-14
· v2
Open report →
216.56.26.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
216.56.26.0
Broadcast
216.56.26.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.7009 , -88.5462
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-03-06 00:02 · 2025-03-06 00:02
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
WiscNet
·
WiscNet
Top geo
United States
·
Wisconsin
·
Elkhorn
Window / Updated
2025-03-03 → 2025-03-10 · Updated
2026-01-14
· v2
Open report →
216.56.162.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
216.56.162.0
Broadcast
216.56.162.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
44.2433 , -88.3564
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-01-14 19:07 · 2025-01-14 19:07
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
WiscNet
·
WiscNet
Top geo
United States
·
Wisconsin
·
Appleton
Window / Updated
2025-01-13 → 2025-01-20 · Updated
2026-01-14
· v2
Open report →
216.56.68.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
216.56.68.0
Broadcast
216.56.68.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.1386 , -90.3401
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-01-08 18:40 · 2025-01-08 18:40
Top ASN
AS2381 ·
WiscNet
Top organization / ISP
WiscNet
·
WiscNet
Top geo
United States
·
Wisconsin
·
Medford
Window / Updated
2025-01-06 → 2025-01-13 · Updated
2026-01-14
· v2
Open report →
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