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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.

123.17.73.0/24

Risk Max LOW Footprint 8.203% Hits 29
Prefix / IP version
/24 · IPv4
Network
123.17.73.0
Broadcast
123.17.73.255
Observed IPs / Subnet size
21 observed · 256 total
Centroid
21.274951724137928 , 105.61898275862072
Hits / Errors
29 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.23.131.0/24

Risk Max LOW Footprint 7.812% Hits 30
Prefix / IP version
/24 · IPv4
Network
123.23.131.0
Broadcast
123.23.131.255
Observed IPs / Subnet size
20 observed · 256 total
Centroid
21.0394 , 105.79300000000003
Hits / Errors
30 hits · 2 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.17.75.0/24

Risk Max LOW Footprint 7.812% Hits 28
Prefix / IP version
/24 · IPv4
Network
123.17.75.0
Broadcast
123.17.75.255
Observed IPs / Subnet size
20 observed · 256 total
Centroid
21.2401 , 105.65118571428577
Hits / Errors
28 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.17.187.0/24

Risk Max LOW Footprint 7.422% Hits 31
Prefix / IP version
/24 · IPv4
Network
123.17.187.0
Broadcast
123.17.187.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
21.274506451612904 , 105.4766322580645
Hits / Errors
31 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.236.0/24

Risk Max LOW Footprint 7.422% Hits 31
Prefix / IP version
/24 · IPv4
Network
222.253.236.0
Broadcast
222.253.236.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000001
Hits / Errors
31 hits · 2 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.218.0/24

Risk Max LOW Footprint 7.422% Hits 31
Prefix / IP version
/24 · IPv4
Network
222.253.218.0
Broadcast
222.253.218.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000001
Hits / Errors
31 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.23.226.0/24

Risk Max LOW Footprint 7.422% Hits 30
Prefix / IP version
/24 · IPv4
Network
123.23.226.0
Broadcast
123.23.226.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
10.588690000000003 , 106.61499000000003
Hits / Errors
30 hits · 4 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.23.238.0/24

Risk Max LOW Footprint 7.422% Hits 28
Prefix / IP version
/24 · IPv4
Network
123.23.238.0
Broadcast
123.23.238.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
14.106164285714287 , 106.35804642857144
Hits / Errors
28 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.221.0/24

Risk Max LOW Footprint 7.422% Hits 25
Prefix / IP version
/24 · IPv4
Network
222.253.221.0
Broadcast
222.253.221.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000004
Hits / Errors
25 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.235.0/24

Risk Max LOW Footprint 7.031% Hits 37
Prefix / IP version
/24 · IPv4
Network
222.253.235.0
Broadcast
222.253.235.255
Observed IPs / Subnet size
18 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000001
Hits / Errors
37 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.238.0/24

Risk Max LOW Footprint 7.031% Hits 32
Prefix / IP version
/24 · IPv4
Network
222.253.238.0
Broadcast
222.253.238.255
Observed IPs / Subnet size
18 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
32 hits · 2 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.21.200.0/24

Risk Max LOW Footprint 7.031% Hits 30
Prefix / IP version
/24 · IPv4
Network
123.21.200.0
Broadcast
123.21.200.255
Observed IPs / Subnet size
18 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000004
Hits / Errors
30 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.21.207.0/24

Risk Max LOW Footprint 7.031% Hits 28
Prefix / IP version
/24 · IPv4
Network
123.21.207.0
Broadcast
123.21.207.255
Observed IPs / Subnet size
18 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
28 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.202.0/24

Risk Max LOW Footprint 7.031% Hits 26
Prefix / IP version
/24 · IPv4
Network
222.253.202.0
Broadcast
222.253.202.255
Observed IPs / Subnet size
18 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
26 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.19.188.0/24

Risk Max LOW Footprint 7.031% Hits 26
Prefix / IP version
/24 · IPv4
Network
123.19.188.0
Broadcast
123.19.188.255
Observed IPs / Subnet size
18 observed · 256 total
Centroid
16.068499999999997 , 108.22150000000005
Hits / Errors
26 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.19.183.0/24

Risk Max LOW Footprint 7.031% Hits 26
Prefix / IP version
/24 · IPv4
Network
123.19.183.0
Broadcast
123.19.183.255
Observed IPs / Subnet size
18 observed · 256 total
Centroid
16.068499999999993 , 108.22150000000005
Hits / Errors
26 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.203.0/24

Risk Max LOW Footprint 7.031% Hits 24
Prefix / IP version
/24 · IPv4
Network
222.253.203.0
Broadcast
222.253.203.255
Observed IPs / Subnet size
18 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000004
Hits / Errors
24 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.23.128.0/24

Risk Max LOW Footprint 7.031% Hits 24
Prefix / IP version
/24 · IPv4
Network
123.23.128.0
Broadcast
123.23.128.255
Observed IPs / Subnet size
18 observed · 256 total
Centroid
21.0394 , 105.793
Hits / Errors
24 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.21.198.0/24

Risk Max LOW Footprint 7.031% Hits 19
Prefix / IP version
/24 · IPv4
Network
123.21.198.0
Broadcast
123.21.198.255
Observed IPs / Subnet size
18 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
19 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.233.0/24

Risk Max LOW Footprint 6.641% Hits 34
Prefix / IP version
/24 · IPv4
Network
222.253.233.0
Broadcast
222.253.233.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000001
Hits / Errors
34 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.208.0/24

Risk Max LOW Footprint 6.641% Hits 32
Prefix / IP version
/24 · IPv4
Network
222.253.208.0
Broadcast
222.253.208.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
32 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.21.16.0/24

Risk Max LOW Footprint 6.641% Hits 30
Prefix / IP version
/24 · IPv4
Network
123.21.16.0
Broadcast
123.21.16.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
10.822 , 106.62570000000002
Hits / Errors
30 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.21.203.0/24

Risk Max LOW Footprint 6.641% Hits 28
Prefix / IP version
/24 · IPv4
Network
123.21.203.0
Broadcast
123.21.203.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
28 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.241.0/24

Risk Max LOW Footprint 6.641% Hits 28
Prefix / IP version
/24 · IPv4
Network
222.253.241.0
Broadcast
222.253.241.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
28 hits · 3 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.23.129.0/24

Risk Max LOW Footprint 6.641% Hits 28
Prefix / IP version
/24 · IPv4
Network
123.23.129.0
Broadcast
123.23.129.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
21.0394 , 105.79300000000002
Hits / Errors
28 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.23.230.0/24

Risk Max LOW Footprint 6.641% Hits 27
Prefix / IP version
/24 · IPv4
Network
123.23.230.0
Broadcast
123.23.230.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
12.71411111111111 , 106.47149629629632
Hits / Errors
27 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.200.0/24

Risk Max LOW Footprint 6.641% Hits 27
Prefix / IP version
/24 · IPv4
Network
222.253.200.0
Broadcast
222.253.200.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
27 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.17.179.0/24

Risk Max LOW Footprint 6.641% Hits 26
Prefix / IP version
/24 · IPv4
Network
123.17.179.0
Broadcast
123.17.179.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
20.985376923076924 , 105.37566153846151
Hits / Errors
26 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.21.201.0/24

Risk Max LOW Footprint 6.641% Hits 25
Prefix / IP version
/24 · IPv4
Network
123.21.201.0
Broadcast
123.21.201.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000001
Hits / Errors
25 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.23.233.0/24

Risk Max LOW Footprint 6.641% Hits 25
Prefix / IP version
/24 · IPv4
Network
123.23.233.0
Broadcast
123.23.233.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
10.655344 , 106.53971599999998
Hits / Errors
25 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.237.0/24

Risk Max LOW Footprint 6.641% Hits 22
Prefix / IP version
/24 · IPv4
Network
222.253.237.0
Broadcast
222.253.237.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000004
Hits / Errors
22 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.21.195.0/24

Risk Max LOW Footprint 6.641% Hits 21
Prefix / IP version
/24 · IPv4
Network
123.21.195.0
Broadcast
123.21.195.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
10.822 , 106.62570000000001
Hits / Errors
21 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.239.0/24

Risk Max LOW Footprint 6.641% Hits 20
Prefix / IP version
/24 · IPv4
Network
222.253.239.0
Broadcast
222.253.239.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
20 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.252.0/24

Risk Max LOW Footprint 6.250% Hits 30
Prefix / IP version
/24 · IPv4
Network
222.253.252.0
Broadcast
222.253.252.255
Observed IPs / Subnet size
16 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
30 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.23.132.0/24

Risk Max LOW Footprint 6.250% Hits 28
Prefix / IP version
/24 · IPv4
Network
123.23.132.0
Broadcast
123.23.132.255
Observed IPs / Subnet size
16 observed · 256 total
Centroid
21.0394 , 105.79300000000002
Hits / Errors
28 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.21.192.0/24

Risk Max LOW Footprint 6.250% Hits 28
Prefix / IP version
/24 · IPv4
Network
123.21.192.0
Broadcast
123.21.192.255
Observed IPs / Subnet size
16 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
28 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.17.79.0/24

Risk Max LOW Footprint 6.250% Hits 27
Prefix / IP version
/24 · IPv4
Network
123.17.79.0
Broadcast
123.17.79.255
Observed IPs / Subnet size
16 observed · 256 total
Centroid
21.178674074074074 , 105.69364444444444
Hits / Errors
27 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.17.65.0/24

Risk Max LOW Footprint 6.250% Hits 26
Prefix / IP version
/24 · IPv4
Network
123.17.65.0
Broadcast
123.17.65.255
Observed IPs / Subnet size
16 observed · 256 total
Centroid
21.188015384615383 , 105.6985
Hits / Errors
26 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.249.0/24

Risk Max LOW Footprint 6.250% Hits 24
Prefix / IP version
/24 · IPv4
Network
222.253.249.0
Broadcast
222.253.249.255
Observed IPs / Subnet size
16 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000001
Hits / Errors
24 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

222.253.219.0/24

Risk Max LOW Footprint 6.250% Hits 23
Prefix / IP version
/24 · IPv4
Network
222.253.219.0
Broadcast
222.253.219.255
Observed IPs / Subnet size
16 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000001
Hits / Errors
23 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
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