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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.

171.225.200.0/24

Risk Max LOW Footprint 6.641% Hits 27
Prefix / IP version
/24 · IPv4
Network
171.225.200.0
Broadcast
171.225.200.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
20.976477777777774 , 106.06297037037038
Hits / Errors
27 hits · 0 errors
First / Last seen
2026-02-22 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

171.250.162.0/24

Risk Max LOW Footprint 6.641% Hits 26
Prefix / IP version
/24 · IPv4
Network
171.250.162.0
Broadcast
171.250.162.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
26 hits · 1 errors
First / Last seen
2026-02-22 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

171.251.237.0/24

Risk Max LOW Footprint 6.250% Hits 25
Prefix / IP version
/24 · IPv4
Network
171.251.237.0
Broadcast
171.251.237.255
Observed IPs / Subnet size
16 observed · 256 total
Centroid
20.242756000000004 , 106.25872000000003
Hits / Errors
25 hits · 0 errors
First / Last seen
2026-02-22 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

171.251.236.0/24

Risk Max LOW Footprint 5.859% Hits 25
Prefix / IP version
/24 · IPv4
Network
171.251.236.0
Broadcast
171.251.236.255
Observed IPs / Subnet size
15 observed · 256 total
Centroid
20.394244 , 106.18336000000001
Hits / Errors
25 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 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

171.234.9.0/24

Risk Max LOW Footprint 3.906% Hits 15
Prefix / IP version
/24 · IPv4
Network
171.234.9.0
Broadcast
171.234.9.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
12.667499999999999 , 108.03780000000003
Hits / Errors
15 hits · 0 errors
First / Last seen
2026-02-22 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

171.252.188.0/24

Risk Max LOW Footprint 3.906% Hits 15
Prefix / IP version
/24 · IPv4
Network
171.252.188.0
Broadcast
171.252.188.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
15 hits · 0 errors
First / Last seen
2026-02-22 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

171.251.232.0/24

Risk Max LOW Footprint 3.516% Hits 20
Prefix / IP version
/24 · IPv4
Network
171.251.232.0
Broadcast
171.251.232.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
11.535 , 106.883
Hits / Errors
20 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 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

171.252.153.0/24

Risk Max LOW Footprint 3.516% Hits 13
Prefix / IP version
/24 · IPv4
Network
171.252.153.0
Broadcast
171.252.153.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
13 hits · 0 errors
First / Last seen
2026-02-22 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

171.236.58.0/24

Risk Max LOW Footprint 3.516% Hits 12
Prefix / IP version
/24 · IPv4
Network
171.236.58.0
Broadcast
171.236.58.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
21.05705833333333 , 105.75300833333334
Hits / Errors
12 hits · 1 errors
First / Last seen
2026-02-22 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

171.251.238.0/24

Risk Max LOW Footprint 3.125% Hits 19
Prefix / IP version
/24 · IPv4
Network
171.251.238.0
Broadcast
171.251.238.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
15.670221052631579 , 107.34600000000002
Hits / Errors
19 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 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

171.225.199.0/24

Risk Max LOW Footprint 3.125% Hits 14
Prefix / IP version
/24 · IPv4
Network
171.225.199.0
Broadcast
171.225.199.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
21.006850000000004 , 105.90585
Hits / Errors
14 hits · 0 errors
First / Last seen
2026-02-22 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

171.225.203.0/24

Risk Max LOW Footprint 3.125% Hits 13
Prefix / IP version
/24 · IPv4
Network
171.225.203.0
Broadcast
171.225.203.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
21.0184 , 105.84609999999999
Hits / Errors
13 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 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

171.250.166.0/24

Risk Max LOW Footprint 3.125% Hits 12
Prefix / IP version
/24 · IPv4
Network
171.250.166.0
Broadcast
171.250.166.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000001
Hits / Errors
12 hits · 0 errors
First / Last seen
2026-02-22 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

171.225.193.0/24

Risk Max LOW Footprint 3.125% Hits 11
Prefix / IP version
/24 · IPv4
Network
171.225.193.0
Broadcast
171.225.193.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
21.0184 , 105.84610000000002
Hits / Errors
11 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 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

171.251.235.0/24

Risk Max LOW Footprint 3.125% Hits 11
Prefix / IP version
/24 · IPv4
Network
171.251.235.0
Broadcast
171.251.235.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
10.053663636363636 , 106.51636363636364
Hits / Errors
11 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 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

171.243.58.0/24

Risk Max LOW Footprint 2.734% Hits 12
Prefix / IP version
/24 · IPv4
Network
171.243.58.0
Broadcast
171.243.58.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
10.821999999999997 , 106.62570000000001
Hits / Errors
12 hits · 1 errors
First / Last seen
2026-02-22 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

171.250.161.0/24

Risk Max LOW Footprint 2.734% Hits 12
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 , 106.62570000000001
Hits / Errors
12 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

171.225.184.0/24

Risk Max LOW Footprint 2.734% Hits 11
Prefix / IP version
/24 · IPv4
Network
171.225.184.0
Broadcast
171.225.184.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
16.0685 , 108.22150000000002
Hits / Errors
11 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 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

171.243.50.0/24

Risk Max LOW Footprint 2.734% Hits 10
Prefix / IP version
/24 · IPv4
Network
171.243.50.0
Broadcast
171.243.50.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
10.822 , 106.62570000000001
Hits / Errors
10 hits · 0 errors
First / Last seen
2026-02-22 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

171.224.179.0/24

Risk Max LOW Footprint 2.734% Hits 9
Prefix / IP version
/24 · IPv4
Network
171.224.179.0
Broadcast
171.224.179.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 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

171.251.239.0/24

Risk Max LOW Footprint 2.734% Hits 8
Prefix / IP version
/24 · IPv4
Network
171.251.239.0
Broadcast
171.251.239.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
13.970812500000001 , 108.24374999999999
Hits / Errors
8 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

171.225.249.0/24

Risk Max LOW Footprint 2.344% Hits 14
Prefix / IP version
/24 · IPv4
Network
171.225.249.0
Broadcast
171.225.249.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
12.245099999999999 , 109.1943
Hits / Errors
14 hits · 1 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

171.225.205.0/24

Risk Max LOW Footprint 2.344% Hits 10
Prefix / IP version
/24 · IPv4
Network
171.225.205.0
Broadcast
171.225.205.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
10 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 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

171.225.201.0/24

Risk Max LOW Footprint 2.344% Hits 9
Prefix / IP version
/24 · IPv4
Network
171.225.201.0
Broadcast
171.225.201.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
21.0184 , 105.84609999999999
Hits / Errors
9 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

171.251.234.0/24

Risk Max LOW Footprint 2.344% Hits 9
Prefix / IP version
/24 · IPv4
Network
171.251.234.0
Broadcast
171.251.234.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
10.1331 , 106.33500000000001
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 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

27.79.122.0/24

Risk Max LOW Footprint 2.344% Hits 8
Prefix / IP version
/24 · IPv4
Network
27.79.122.0
Broadcast
27.79.122.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
16.0685 , 108.2215
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 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

171.225.198.0/24

Risk Max LOW Footprint 2.344% Hits 7
Prefix / IP version
/24 · IPv4
Network
171.225.198.0
Broadcast
171.225.198.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
20.972200000000004 , 106.0851
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-22 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

171.225.206.0/24

Risk Max LOW Footprint 1.953% Hits 9
Prefix / IP version
/24 · IPv4
Network
171.225.206.0
Broadcast
171.225.206.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
21.000433333333334 , 105.93904444444445
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-02-22 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

171.234.8.0/24

Risk Max LOW Footprint 1.953% Hits 9
Prefix / IP version
/24 · IPv4
Network
171.234.8.0
Broadcast
171.234.8.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
12.667499999999999 , 108.0378
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-02-22 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

171.243.63.0/24

Risk Max LOW Footprint 1.953% Hits 8
Prefix / IP version
/24 · IPv4
Network
171.243.63.0
Broadcast
171.243.63.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-22 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

171.224.180.0/24

Risk Max LOW Footprint 1.953% Hits 8
Prefix / IP version
/24 · IPv4
Network
171.224.180.0
Broadcast
171.224.180.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-03-01 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

171.234.13.0/24

Risk Max LOW Footprint 1.953% Hits 6
Prefix / IP version
/24 · IPv4
Network
171.234.13.0
Broadcast
171.234.13.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
14.703916666666666 , 108.66838333333332
Hits / Errors
6 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

27.79.123.0/24

Risk Max LOW Footprint 1.953% Hits 5
Prefix / IP version
/24 · IPv4
Network
27.79.123.0
Broadcast
27.79.123.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
16.0685 , 108.22150000000002
Hits / Errors
5 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

171.224.178.0/24

Risk Max LOW Footprint 1.562% Hits 8
Prefix / IP version
/24 · IPv4
Network
171.224.178.0
Broadcast
171.224.178.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-22 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

171.234.12.0/24

Risk Max LOW Footprint 1.562% Hits 8
Prefix / IP version
/24 · IPv4
Network
171.234.12.0
Broadcast
171.234.12.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
13.5838875 , 108.32156250000001
Hits / Errors
8 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

171.225.204.0/24

Risk Max LOW Footprint 1.562% Hits 8
Prefix / IP version
/24 · IPv4
Network
171.225.204.0
Broadcast
171.225.204.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
20.9981875 , 105.9506625
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-23 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

171.225.192.0/24

Risk Max LOW Footprint 1.562% Hits 7
Prefix / IP version
/24 · IPv4
Network
171.225.192.0
Broadcast
171.225.192.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
21.018400000000003 , 105.8461
Hits / Errors
7 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

171.252.152.0/24

Risk Max LOW Footprint 1.562% Hits 7
Prefix / IP version
/24 · IPv4
Network
171.252.152.0
Broadcast
171.252.152.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.822 , 106.62570000000001
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-22 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

171.243.48.0/24

Risk Max LOW Footprint 1.562% Hits 7
Prefix / IP version
/24 · IPv4
Network
171.243.48.0
Broadcast
171.243.48.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.822 , 106.62569999999998
Hits / Errors
7 hits · 1 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

171.252.154.0/24

Risk Max LOW Footprint 1.562% Hits 6
Prefix / IP version
/24 · IPv4
Network
171.252.154.0
Broadcast
171.252.154.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.821999999999997 , 106.6257
Hits / Errors
6 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
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