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.

171.236.48.0/24

Risk Max LOW Footprint 1.562% Hits 6
Prefix / IP version
/24 · IPv4
Network
171.236.48.0
Broadcast
171.236.48.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.4035 , 106.509
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.252.189.0/24

Risk Max LOW Footprint 1.562% Hits 6
Prefix / IP version
/24 · IPv4
Network
171.252.189.0
Broadcast
171.252.189.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000001
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-28 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.236.70.0/24

Risk Max LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
171.236.70.0
Broadcast
171.236.70.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
18.892000000000003 , 105.76388000000001
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-28 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.236.49.0/24

Risk Max LOW Footprint 1.172% Hits 6
Prefix / IP version
/24 · IPv4
Network
171.236.49.0
Broadcast
171.236.49.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
10.350833333333334 , 106.68166666666667
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-25 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.225.207.0/24

Risk Max LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
171.225.207.0
Broadcast
171.225.207.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-03-02 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.225.248.0/24

Risk Max LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
171.225.248.0
Broadcast
171.225.248.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
12.2451 , 109.1943
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-03-02 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.250.164.0/24

Risk Max LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
171.250.164.0
Broadcast
171.250.164.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
10.822 , 106.62570000000001
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.225.202.0/24

Risk Max LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
171.225.202.0
Broadcast
171.225.202.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
21.0184 , 105.84610000000002
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.234.15.0/24

Risk Max LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
171.234.15.0
Broadcast
171.234.15.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
15.1112 , 108.7945
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.255.179.0/24

Risk Max LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
171.255.179.0
Broadcast
171.255.179.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.224.177.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.224.177.0
Broadcast
171.224.177.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
21.0184 , 105.84610000000002
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-03-02 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.250.160.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.250.160.0
Broadcast
171.250.160.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
10.821999999999997 , 106.6257
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-03-01 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.250.167.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.250.167.0
Broadcast
171.250.167.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
10.821999999999997 , 106.6257
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.224.181.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.224.181.0
Broadcast
171.224.181.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
21.0184 , 105.84610000000002
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-28 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.225.185.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.225.185.0
Broadcast
171.225.185.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
16.0685 , 108.2215
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-28 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.243.62.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.243.62.0
Broadcast
171.243.62.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
10.821999999999997 , 106.6257
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.239.38.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
171.239.38.0
Broadcast
171.239.38.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
10.9265 , 107.248
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-28 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.236.56.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
171.236.56.0
Broadcast
171.236.56.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.255.178.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
171.255.178.0
Broadcast
171.255.178.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.243.51.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.243.51.0
Broadcast
171.243.51.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
10.821999999999997 , 106.6257
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.229.214.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
171.229.214.0
Broadcast
171.229.214.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-03-02 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.250.163.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
171.250.163.0
Broadcast
171.250.163.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
2 hits · 1 errors
First / Last seen
2026-02-25 02:00 · 2026-03-02 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.252.38.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
171.252.38.0
Broadcast
171.252.38.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

27.79.120.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
27.79.120.0
Broadcast
27.79.120.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
16.0685 , 108.2215
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.231.18.0/24

Risk Max LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
171.231.18.0
Broadcast
171.231.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
13.979099999999999 , 108.00489999999999
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.245.85.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
171.245.85.0
Broadcast
171.245.85.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
20.8567 , 106.6826
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-26 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.236.144.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.236.144.0
Broadcast
171.236.144.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.821999999999997 , 106.6257
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.243.61.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.243.61.0
Broadcast
171.243.61.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.821999999999997 , 106.6257
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-02 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.228.84.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.228.84.0
Broadcast
171.228.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
20.8161 , 105.34409999999998
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.227.8.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.227.8.0
Broadcast
171.227.8.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.784799999999999 , 106.6349
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.226.19.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.226.19.0
Broadcast
171.226.19.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.821999999999997 , 106.6257
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.236.159.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.236.159.0
Broadcast
171.236.159.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.821999999999997 , 106.6257
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.236.83.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.236.83.0
Broadcast
171.236.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.0278 , 105.834
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.243.60.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.243.60.0
Broadcast
171.243.60.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.821999999999997 , 106.6257
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

115.76.166.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
115.76.166.0
Broadcast
115.76.166.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.821999999999997 , 106.6257
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.228.153.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.228.153.0
Broadcast
171.228.153.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.0278 , 105.834
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.233.54.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.233.54.0
Broadcast
171.233.54.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.0361 , 105.7941
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.234.54.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.234.54.0
Broadcast
171.234.54.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.0278 , 105.834
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.245.89.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.245.89.0
Broadcast
171.245.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
20.8567 , 106.6826
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

171.249.226.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.249.226.0
Broadcast
171.249.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.821999999999997 , 106.6257
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2