DigitalOcean Referral Badge
cloud1
cloud2
cloud3
cloud4
cloud5
cloud6

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.
Active filter: Shanghai · Clear
Snapshot 2026-03-07 Results 86 Page 3 / 3

121.91.186.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.91.186.0
Broadcast
121.91.186.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
31.2222 , 121.4581
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS133499 · HostRoyale Technologies Pvt Ltd
Top organization / ISP
HostRoyale Technologies · HostRoyale Technologies Pvt Ltd
Top geo
China · Shanghai · Shanghai
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

122.51.209.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
122.51.209.0
Broadcast
122.51.209.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
31.2222 , 121.4581
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS45090 · Shenzhen Tencent Computer Systems Company Limited
Top organization / ISP
Guangzhou Haizhiguang communication technology Limited · Shenzhen Tencent Computer Systems Company Limited
Top geo
China · Shanghai · Shanghai
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

223.166.22.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
223.166.22.0
Broadcast
223.166.22.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
31.2222 , 121.4581
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS17621 · China Unicom Shanghai network
Top organization / ISP
— · China Unicom Shanghai Province Network
Top geo
China · Shanghai · Shanghai
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

183.194.155.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
183.194.155.0
Broadcast
183.194.155.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
31.2222 , 121.4581
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS24400 · Shanghai Mobile Communications Co.,Ltd.
Top organization / ISP
China Mobile Communications Corporation - shanghai company · China Mobile communications corporation
Top geo
China · Shanghai · Shanghai
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

183.167.77.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
183.167.77.0
Broadcast
183.167.77.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
31.2222 , 121.4581
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS4134 · CHINANET-BACKBONE
Top organization / ISP
Chinanet AH · Chinanet
Top geo
China · Shanghai · Shanghai
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

117.135.84.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
117.135.84.0
Broadcast
117.135.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
31.2222 , 121.4581
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS24400 · Shanghai Mobile Communications Co.,Ltd.
Top organization / ISP
China Mobile Communications Corporation - shanghai company · China Mobile communications corporation
Top geo
China · Shanghai · Shanghai
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →
Page 3 of 3
Next › Last »