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:
Unicom SH
·
Clear
Snapshot
2026-03-10
Results
15
Page
1
/
1
39.91.200.0/24
Risk Max
—
LOW
Footprint
8.594
%
Hits
154
Prefix / IP version
/24 · IPv4
Network
39.91.200.0
Broadcast
39.91.200.255
Observed IPs / Subnet size
22
observed ·
256
total
Centroid
36.6518 , 117.11999999999998
Hits / Errors
154
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS4837 ·
CHINA UNICOM China169 Backbone
Top organization / ISP
— ·
China Unicom Shandong Province Network
Top geo
China
·
Shandong
·
Jinan
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
39.91.140.0/24
Risk Max
—
LOW
Footprint
3.125
%
Hits
60
Prefix / IP version
/24 · IPv4
Network
39.91.140.0
Broadcast
39.91.140.255
Observed IPs / Subnet size
8
observed ·
256
total
Centroid
36.651799999999994 , 117.11999999999998
Hits / Errors
60
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS4837 ·
CHINA UNICOM China169 Backbone
Top organization / ISP
— ·
China Unicom Shandong Province Network
Top geo
China
·
Shandong
·
Jinan
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
27.115.124.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
27.115.124.0
Broadcast
27.115.124.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
31.2222 , 121.4581
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-03-02 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 →
27.46.75.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
27.46.75.0
Broadcast
27.46.75.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
23.1115 , 114.4152
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS17623 ·
China Unicom Shenzen network
Top organization / ISP
— ·
China Unicom Guangdong Province Network
Top geo
China
·
Guangdong
·
Huizhou
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
27.46.125.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
27.46.125.0
Broadcast
27.46.125.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
23.1115 , 114.4152
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 02:00
Top ASN
AS17623 ·
China Unicom Shenzen network
Top organization / ISP
— ·
China Unicom Guangdong Province Network
Top geo
China
·
Guangdong
·
Huizhou
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
58.251.255.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
58.251.255.0
Broadcast
58.251.255.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
23.1291 , 113.264
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS17623 ·
China Unicom Shenzen network
Top organization / ISP
— ·
CNC Group CHINA169 Guangdong Province Network
Top geo
China
·
Guangdong
·
Guangzhou
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
139.227.143.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
139.227.143.0
Broadcast
139.227.143.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
31.2222 , 121.4581
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS17621 ·
China Unicom Shanghai network
Top organization / ISP
Unicom SH
·
China Unicom Shanghai network
Top geo
China
·
Shanghai
·
Shanghai
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
183.190.229.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
183.190.229.0
Broadcast
183.190.229.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.8706 , 112.551
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS4837 ·
CHINA UNICOM China169 Backbone
Top organization / ISP
— ·
China Unicom Shanxi Province Network
Top geo
China
·
Shanxi
·
Taiyuan
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
27.201.217.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
27.201.217.0
Broadcast
27.201.217.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.6518 , 117.12
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS4837 ·
CHINA UNICOM China169 Backbone
Top organization / ISP
— ·
China Unicom Shandong Province Network
Top geo
China
·
Shandong
·
Jinan
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 →
27.213.52.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
27.213.52.0
Broadcast
27.213.52.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.6518 , 117.12
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS4837 ·
CHINA UNICOM China169 Backbone
Top organization / ISP
— ·
China Unicom Shandong Province Network
Top geo
China
·
Shandong
·
Jinan
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
39.82.210.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
39.82.210.0
Broadcast
39.82.210.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.6518 , 117.12
Hits / Errors
1
hits ·
1
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS4837 ·
CHINA UNICOM China169 Backbone
Top organization / ISP
— ·
China Unicom Shandong Province Network
Top geo
China
·
Shandong
·
Jinan
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
27.197.162.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
27.197.162.0
Broadcast
27.197.162.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.6518 , 117.12
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS4837 ·
CHINA UNICOM China169 Backbone
Top organization / ISP
— ·
China Unicom Shandong Province Network
Top geo
China
·
Shandong
·
Jinan
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
27.199.253.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
27.199.253.0
Broadcast
27.199.253.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.6518 , 117.12
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS4837 ·
CHINA UNICOM China169 Backbone
Top organization / ISP
— ·
China Unicom Shandong Province Network
Top geo
China
·
Shandong
·
Jinan
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
27.211.44.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
27.211.44.0
Broadcast
27.211.44.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.6683 , 116.9972
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS4837 ·
CHINA UNICOM China169 Backbone
Top organization / ISP
— ·
China Unicom Shandong Province Network
Top geo
China
·
Shandong
·
Jinan
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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