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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.

171.251.237.0/24

Risk Max LOW Footprint 5.469% Hits 15
Prefix / IP version
/24 · IPv4
Network
171.251.237.0
Broadcast
171.251.237.255
Observed IPs / Subnet size
14 observed · 256 total
Centroid
20.241746666666675 , 106.2672666666667
Hits / Errors
15 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.250.162.0/24

Risk Max LOW Footprint 4.297% Hits 12
Prefix / IP version
/24 · IPv4
Network
171.250.162.0
Broadcast
171.250.162.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000004
Hits / Errors
12 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.251.238.0/24

Risk Max LOW Footprint 3.516% Hits 12
Prefix / IP version
/24 · IPv4
Network
171.251.238.0
Broadcast
171.251.238.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
15.569108333333334 , 107.38916666666665
Hits / Errors
12 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.251.236.0/24

Risk Max LOW Footprint 3.125% Hits 8
Prefix / IP version
/24 · IPv4
Network
171.251.236.0
Broadcast
171.251.236.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
20.4222125 , 106.16775000000001
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.236.58.0/24

Risk Max LOW Footprint 3.125% Hits 8
Prefix / IP version
/24 · IPv4
Network
171.236.58.0
Broadcast
171.236.58.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
21.0864125 , 105.6897125
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.225.200.0/24

Risk Max LOW Footprint 2.734% Hits 10
Prefix / IP version
/24 · IPv4
Network
171.225.200.0
Broadcast
171.225.200.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
20.88904 , 106.5153
Hits / Errors
10 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.225.201.0/24

Risk Max LOW Footprint 2.734% Hits 9
Prefix / IP version
/24 · IPv4
Network
171.225.201.0
Broadcast
171.225.201.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
20.87466666666667 , 106.58965555555555
Hits / Errors
9 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.250.161.0/24

Risk Max LOW Footprint 2.734% Hits 8
Prefix / IP version
/24 · IPv4
Network
171.250.161.0
Broadcast
171.250.161.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.225.205.0/24

Risk Max LOW Footprint 2.734% Hits 7
Prefix / IP version
/24 · IPv4
Network
171.225.205.0
Broadcast
171.225.205.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
20.902900000000006 , 106.44359999999999
Hits / Errors
7 hits · 1 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.252.189.0/24

Risk Max LOW Footprint 2.734% Hits 7
Prefix / IP version
/24 · IPv4
Network
171.252.189.0
Broadcast
171.252.189.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.234.8.0/24

Risk Max LOW Footprint 2.344% Hits 9
Prefix / IP version
/24 · IPv4
Network
171.234.8.0
Broadcast
171.234.8.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
12.6675 , 108.0378
Hits / Errors
9 hits · 1 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.234.9.0/24

Risk Max LOW Footprint 2.344% Hits 8
Prefix / IP version
/24 · IPv4
Network
171.234.9.0
Broadcast
171.234.9.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
12.667500000000002 , 108.03780000000003
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.250.167.0/24

Risk Max LOW Footprint 2.344% Hits 6
Prefix / IP version
/24 · IPv4
Network
171.250.167.0
Broadcast
171.250.167.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000001
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.225.202.0/24

Risk Max LOW Footprint 1.953% Hits 7
Prefix / IP version
/24 · IPv4
Network
171.225.202.0
Broadcast
171.225.202.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
20.972199999999997 , 106.0851
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.234.15.0/24

Risk Max LOW Footprint 1.953% Hits 5
Prefix / IP version
/24 · IPv4
Network
171.234.15.0
Broadcast
171.234.15.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
14.622459999999998 , 108.64316
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

116.111.185.0/24

Risk Max LOW Footprint 1.562% Hits 7
Prefix / IP version
/24 · IPv4
Network
116.111.185.0
Broadcast
116.111.185.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.822 , 106.62569999999998
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS24086 · Viettel Corporation
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

116.111.184.0/24

Risk Max LOW Footprint 1.562% Hits 7
Prefix / IP version
/24 · IPv4
Network
116.111.184.0
Broadcast
116.111.184.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.822 , 106.62570000000001
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top ASN
AS24086 · Viettel Corporation
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.250.165.0/24

Risk Max LOW Footprint 1.562% Hits 6
Prefix / IP version
/24 · IPv4
Network
171.250.165.0
Broadcast
171.250.165.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000001
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-11 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.251.235.0/24

Risk Max LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
171.251.235.0
Broadcast
171.251.235.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.666459999999999 , 106.61856
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.225.198.0/24

Risk Max LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
171.225.198.0
Broadcast
171.225.198.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
20.92138 , 106.348
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.250.160.0/24

Risk Max LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
171.250.160.0
Broadcast
171.250.160.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.822 , 106.62570000000001
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

125.235.234.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
125.235.234.0
Broadcast
125.235.234.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.243.63.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
171.243.63.0
Broadcast
171.243.63.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.3444 , 107.0875
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.225.206.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
171.225.206.0
Broadcast
171.225.206.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
20.8567 , 106.6826
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-11 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.243.58.0/24

Risk Max LOW Footprint 1.172% Hits 7
Prefix / IP version
/24 · IPv4
Network
171.243.58.0
Broadcast
171.243.58.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
10.480857142857143 , 106.95555714285715
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.225.185.0/24

Risk Max LOW Footprint 1.172% Hits 4
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
4 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.251.232.0/24

Risk Max LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
171.251.232.0
Broadcast
171.251.232.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
11.1785 , 106.75435
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.224.177.0/24

Risk Max LOW Footprint 1.172% Hits 4
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 , 105.8461
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-11 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.224.179.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.224.179.0
Broadcast
171.224.179.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
21.0184 , 105.84610000000002
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.225.192.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.225.192.0
Broadcast
171.225.192.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
20.8567 , 106.6826
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.236.49.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.236.49.0
Broadcast
171.236.49.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
10.3667 , 106.66699999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

125.235.231.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
125.235.231.0
Broadcast
125.235.231.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
10.821999999999997 , 106.6257
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.224.180.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.224.180.0
Broadcast
171.224.180.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
21.0184 , 105.84610000000002
Hits / Errors
3 hits · 1 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.234.12.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.234.12.0
Broadcast
171.234.12.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
15.111200000000002 , 108.79450000000001
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.241.136.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
171.241.136.0
Broadcast
171.241.136.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.251.234.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
171.251.234.0
Broadcast
171.251.234.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
10.1331 , 106.335
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.225.184.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.225.184.0
Broadcast
171.225.184.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
16.0685 , 108.2215
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.225.203.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.225.203.0
Broadcast
171.225.203.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
20.9645 , 106.12493333333333
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.225.204.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.225.204.0
Broadcast
171.225.204.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
20.9106 , 106.40376666666667
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

171.251.239.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
171.251.239.0
Broadcast
171.251.239.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
14.001833333333332 , 108.08333333333333
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
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