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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.

52.81.121.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
52.81.121.0
Broadcast
52.81.121.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9288 , 116.3889
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

49.51.245.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
49.51.245.0
Broadcast
49.51.245.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

170.106.107.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
170.106.107.0
Broadcast
170.106.107.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

170.106.147.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
170.106.147.0
Broadcast
170.106.147.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-03-02 02:00
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

49.51.180.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
49.51.180.0
Broadcast
49.51.180.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

170.106.110.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
170.106.110.0
Broadcast
170.106.110.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

8.145.40.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
8.145.40.0
Broadcast
8.145.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.911 , 116.395
Hits / Errors
3 hits · 3 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

139.186.178.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
139.186.178.0
Broadcast
139.186.178.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.5689 , 106.5577
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

116.178.2.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
116.178.2.0
Broadcast
116.178.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9072 , 116.35700000000001
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

49.51.132.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
49.51.132.0
Broadcast
49.51.132.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.11690000000001 , 8.6837
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-28 02:00
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

49.51.36.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
49.51.36.0
Broadcast
49.51.36.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

223.72.54.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
223.72.54.0
Broadcast
223.72.54.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.911 , 116.395
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

140.179.189.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
140.179.189.0
Broadcast
140.179.189.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9288 , 116.38889999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

54.223.83.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
54.223.83.0
Broadcast
54.223.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9288 , 116.38889999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

54.222.230.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
54.222.230.0
Broadcast
54.222.230.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9288 , 116.38889999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

54.223.95.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
54.223.95.0
Broadcast
54.223.95.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9288 , 116.38889999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

52.80.175.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
52.80.175.0
Broadcast
52.80.175.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9288 , 116.38889999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

52.80.179.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
52.80.179.0
Broadcast
52.80.179.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9288 , 116.38889999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

52.80.66.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
52.80.66.0
Broadcast
52.80.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9288 , 116.38889999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

52.81.2.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
52.81.2.0
Broadcast
52.81.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9288 , 116.38889999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

52.81.111.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
52.81.111.0
Broadcast
52.81.111.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9288 , 116.38889999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

111.31.239.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
111.31.239.0
Broadcast
111.31.239.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9155 , 116.36
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS23841 · TJBTN
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

49.51.33.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
49.51.33.0
Broadcast
49.51.33.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

183.241.148.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
183.241.148.0
Broadcast
183.241.148.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.911 , 116.395
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

42.83.147.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
42.83.147.0
Broadcast
42.83.147.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9042 , 116.407
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top organization / ISP
— · CRITICAL
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

183.131.42.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
183.131.42.0
Broadcast
183.131.42.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.0464 , 119.954
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

162.62.132.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
162.62.132.0
Broadcast
162.62.132.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1169 , 8.6837
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

117.162.49.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
117.162.49.0
Broadcast
117.162.49.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9155 , 116.36
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

49.51.178.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
49.51.178.0
Broadcast
49.51.178.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-28 02:00
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

170.106.160.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
170.106.160.0
Broadcast
170.106.160.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-28 02:00
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

49.235.136.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
49.235.136.0
Broadcast
49.235.136.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
31.2222 , 121.4581
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

170.106.73.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
170.106.73.0
Broadcast
170.106.73.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-27 02:00
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

71.131.231.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
71.131.231.0
Broadcast
71.131.231.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9288 , 116.3889
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

183.242.123.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
183.242.123.0
Broadcast
183.242.123.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.911 , 116.395
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

120.244.50.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
120.244.50.0
Broadcast
120.244.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.911 , 116.395
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

170.106.167.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
170.106.167.0
Broadcast
170.106.167.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-25 02:00
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

106.54.62.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
106.54.62.0
Broadcast
106.54.62.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
31.2222 , 121.4581
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

223.83.157.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
223.83.157.0
Broadcast
223.83.157.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9155 , 116.36
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

116.148.212.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
116.148.212.0
Broadcast
116.148.212.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9072 , 116.357
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

116.177.180.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
116.177.180.0
Broadcast
116.177.180.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9072 , 116.357
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2