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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.

103.145.113.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
103.145.113.0
Broadcast
103.145.113.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
24.851 , 89.3711
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 12:54 · 2025-12-17 15:54
Top ASN
AS139808 · Sony Cyber Net
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

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
Window / Updated
2024-12-16 → 2024-12-23 · Updated 2026-01-14 · v2

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
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

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
Window / Updated
2025-03-17 → 2025-03-24 · Updated 2026-01-14 · v2

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
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2

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
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2

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
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

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
Window / Updated
2025-04-07 → 2025-04-14 · Updated 2026-01-14 · v2

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
Window / Updated
2024-11-11 → 2024-11-18 · Updated 2026-01-14 · v2

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
Window / Updated
2024-12-16 → 2024-12-23 · Updated 2026-01-14 · v2

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
Window / Updated
2024-11-18 → 2024-11-25 · Updated 2026-01-14 · v2

187.17.189.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
187.17.189.0
Broadcast
187.17.189.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-6.5949 , -39.1202
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-18 20:51 · 2025-09-18 20:51
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

191.240.134.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
191.240.134.0
Broadcast
191.240.134.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-27.1003 , -52.6296
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-18 03:06 · 2025-09-18 03:06
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

103.145.112.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
103.145.112.0
Broadcast
103.145.112.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
24.851 , 89.3711
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-10 14:50 · 2025-09-10 14:50
Top ASN
AS139808 · Sony Cyber Net
Top organization / ISP
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

196.15.221.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
196.15.221.0
Broadcast
196.15.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-33.0153 , 27.9116
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-07 04:53 · 2025-09-07 04:53
Top ASN
AS5713 · Telkom SA Ltd.
Top organization / ISP
Window / Updated
2025-09-01 → 2025-09-08 · Updated 2026-01-14 · v2

186.226.127.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.226.127.0
Broadcast
186.226.127.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.755 , -53.1824
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-08-06 04:51 · 2025-08-06 04:51
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

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
Window / Updated
2024-12-02 → 2024-12-09 · Updated 2026-01-14 · v2

201.76.100.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.76.100.0
Broadcast
201.76.100.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-6.2883 , -38.0191
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-01-01 04:33 · 2026-01-01 04:33
Top ASN
Window / Updated
2025-12-29 → 2026-01-05 · Updated 2026-01-14 · v2

168.181.217.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
168.181.217.0
Broadcast
168.181.217.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.755 , -53.1824
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 13:36 · 2025-12-17 13:36
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

191.240.128.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.240.128.0
Broadcast
191.240.128.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-27.1003 , -52.6296
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 09:26 · 2025-12-17 09:26
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

186.226.126.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.226.126.0
Broadcast
186.226.126.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.755 , -53.1824
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-27 23:46 · 2025-11-27 23:46
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2

168.181.216.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
168.181.216.0
Broadcast
168.181.216.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.755 , -53.1824
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-23 23:36 · 2025-11-23 23:36
Window / Updated
2025-11-17 → 2025-11-24 · Updated 2026-01-14 · v2

201.76.111.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.76.111.0
Broadcast
201.76.111.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.7537 , -47.4976
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-22 17:16 · 2025-11-22 17:16
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-11-17 → 2025-11-24 · Updated 2026-01-14 · v2

190.182.160.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.182.160.0
Broadcast
190.182.160.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-30.9362 , -61.5655
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 23:25 · 2025-11-06 23:25
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

191.240.133.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.240.133.0
Broadcast
191.240.133.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-27.1003 , -52.6296
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 20:32 · 2025-11-06 20:32
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

191.240.132.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.240.132.0
Broadcast
191.240.132.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-27.1003 , -52.6296
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 18:04 · 2025-11-06 18:04
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

191.240.129.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.240.129.0
Broadcast
191.240.129.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-27.1003 , -52.6296
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-11-06 09:36 · 2025-11-06 09:36
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

201.76.101.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.76.101.0
Broadcast
201.76.101.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-11.5588 , -43.2848
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 06:14 · 2025-11-06 06:14
Top ASN
Top geo
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

186.226.120.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.226.120.0
Broadcast
186.226.120.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.755 , -53.1824
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 01:04 · 2025-11-06 01:04
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

201.76.109.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.76.109.0
Broadcast
201.76.109.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-9.7162 , -63.3104
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-10-08 14:36 · 2025-10-08 14:36
Top ASN
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

186.226.115.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.226.115.0
Broadcast
186.226.115.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-27.1003 , -52.6296
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-16 17:29 · 2025-09-16 17:29
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

186.226.123.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.226.123.0
Broadcast
186.226.123.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.755 , -53.1824
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-16 07:19 · 2025-09-16 07:19
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

191.240.131.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.240.131.0
Broadcast
191.240.131.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-27.1003 , -52.6296
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-07 12:11 · 2025-09-07 12:11
Window / Updated
2025-09-01 → 2025-09-08 · Updated 2026-01-14 · v2

201.76.97.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.76.97.0
Broadcast
201.76.97.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-8.0009 , -34.8687
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-04 02:30 · 2025-08-04 02:30
Top ASN
Top geo
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

43.239.199.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
43.239.199.0
Broadcast
43.239.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.0748 , 72.8856
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-02 22:55 · 2025-08-02 22:55
Top ASN
AS134866 · Sscn Pvt Ltd
Top organization / ISP
— · Suvidha Cable
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

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
Window / Updated
2025-03-31 → 2025-04-07 · Updated 2026-01-14 · v2

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
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2

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
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2

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
Window / Updated
2025-01-13 → 2025-01-20 · Updated 2026-01-14 · v2

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
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2