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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.
Active filter: NCG · Clear
Snapshot 2026-01-23 Results 8 Page 1 / 1

220.250.63.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
220.250.63.0
Broadcast
220.250.63.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
39.9042 , 116.407
Hits / Errors
3 hits · 1 errors
First / Last seen
2023-10-19 13:24 · 2023-10-20 07:35
Top ASN
AS4837 · CHINA UNICOM China169 Backbone
Top organization / ISP
Cncgroup FJ FZ MAN · CHINA UNICOM China169 Backbone
Top geo
China · Beijing · Beijing
Window / Updated
2023-10-16 → 2023-10-23 · Updated 2026-01-14 · v2
Open report →

212.219.49.0/24

Risk Max — LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
212.219.49.0
Broadcast
212.219.49.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.6555 , -0.3893
Hits / Errors
14 hits · 5 errors
First / Last seen
2024-12-03 11:53 · 2024-12-04 14:16
Top ASN
AS786 · Jisc Services Limited
Top organization / ISP
NCG · Jisc Services Limited
Top geo
United Kingdom · England · Watford
Window / Updated
2024-12-02 → 2024-12-09 · Updated 2026-01-14 · v2
Open report →

220.250.11.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
220.250.11.0
Broadcast
220.250.11.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
26.0742 , 119.296
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-07-31 17:21 · 2025-07-31 17:21
Top ASN
AS4837 · CHINA UNICOM China169 Backbone
Top organization / ISP
— · CNCGroup CHINA169 FuJian province network
Top geo
China · Fujian · Fuzhou
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →

220.250.62.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
220.250.62.0
Broadcast
220.250.62.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9042 , 116.407
Hits / Errors
2 hits · 1 errors
First / Last seen
2023-09-05 12:38 · 2023-09-05 12:38
Top ASN
AS4837 · CHINA UNICOM China169 Backbone
Top organization / ISP
Cncgroup FJ FZ MAN · CHINA UNICOM China169 Backbone
Top geo
China · Beijing · Beijing
Window / Updated
2023-09-04 → 2023-09-11 · Updated 2026-01-14 · v2
Open report →

220.250.10.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
220.250.10.0
Broadcast
220.250.10.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
26.0742 , 119.296
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-04 11:37 · 2025-07-04 11:37
Top ASN
AS4837 · CHINA UNICOM China169 Backbone
Top organization / ISP
— · CNCGroup CHINA169 FuJian province network
Top geo
China · Fujian · Fuzhou
Window / Updated
2025-06-30 → 2025-07-07 · Updated 2026-01-14 · v2
Open report →

58.23.32.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
58.23.32.0
Broadcast
58.23.32.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
24.4793 , 118.0673
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-03-26 19:15 · 2025-03-26 19:15
Top ASN
AS4837 · CHINA UNICOM China169 Backbone
Top organization / ISP
— · CNCGroup CHINA169 FuJian province network
Top geo
China · Fujian · Xiamen
Window / Updated
2025-03-24 → 2025-03-31 · Updated 2026-01-14 · v2
Open report →

58.23.165.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
58.23.165.0
Broadcast
58.23.165.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
24.4793 , 118.0673
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-04-22 10:56 · 2024-04-22 10:56
Top ASN
AS4837 · CHINA UNICOM China169 Backbone
Top organization / ISP
— · CNCGroup CHINA169 FuJian province network
Top geo
China · Fujian · Xiamen
Window / Updated
2024-04-22 → 2024-04-29 · Updated 2026-01-14 · v2
Open report →

220.250.48.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
220.250.48.0
Broadcast
220.250.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9042 , 116.407
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-10-03 14:13 · 2023-10-03 14:13
Top ASN
AS4837 · CHINA UNICOM China169 Backbone
Top organization / ISP
Cncgroup FJ FZ MAN · CHINA UNICOM China169 Backbone
Top geo
China · Beijing · Beijing
Window / Updated
2023-10-02 → 2023-10-09 · Updated 2026-01-14 · v2
Open report →