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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.

123.17.66.0/24

Risk Max LOW Footprint 13.672% Hits 54
Prefix / IP version
/24 · IPv4
Network
123.17.66.0
Broadcast
123.17.66.255
Observed IPs / Subnet size
35 observed · 256 total
Centroid
21.167422222222225 , 105.7130666666667
Hits / Errors
54 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

123.17.67.0/24

Risk Max LOW Footprint 13.672% Hits 47
Prefix / IP version
/24 · IPv4
Network
123.17.67.0
Broadcast
123.17.67.255
Observed IPs / Subnet size
35 observed · 256 total
Centroid
21.1833914893617 , 105.69862127659579
Hits / Errors
47 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

123.17.124.0/24

Risk Max LOW Footprint 11.719% Hits 54
Prefix / IP version
/24 · IPv4
Network
123.17.124.0
Broadcast
123.17.124.255
Observed IPs / Subnet size
30 observed · 256 total
Centroid
21.246848148148157 , 105.6487462962963
Hits / Errors
54 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

123.17.74.0/24

Risk Max LOW Footprint 10.938% Hits 47
Prefix / IP version
/24 · IPv4
Network
123.17.74.0
Broadcast
123.17.74.255
Observed IPs / Subnet size
28 observed · 256 total
Centroid
21.164268085106386 , 105.71585531914893
Hits / Errors
47 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

123.17.83.0/24

Risk Max LOW Footprint 10.547% Hits 46
Prefix / IP version
/24 · IPv4
Network
123.17.83.0
Broadcast
123.17.83.255
Observed IPs / Subnet size
27 observed · 256 total
Centroid
21.190960869565217 , 105.69695869565221
Hits / Errors
46 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

123.17.82.0/24

Risk Max LOW Footprint 10.547% Hits 43
Prefix / IP version
/24 · IPv4
Network
123.17.82.0
Broadcast
123.17.82.255
Observed IPs / Subnet size
27 observed · 256 total
Centroid
21.23131162790698 , 105.66167674418605
Hits / Errors
43 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

123.17.64.0/24

Risk Max LOW Footprint 10.156% Hits 40
Prefix / IP version
/24 · IPv4
Network
123.17.64.0
Broadcast
123.17.64.255
Observed IPs / Subnet size
26 observed · 256 total
Centroid
21.181430000000006 , 105.70202500000002
Hits / Errors
40 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

123.17.113.0/24

Risk Max LOW Footprint 9.766% Hits 42
Prefix / IP version
/24 · IPv4
Network
123.17.113.0
Broadcast
123.17.113.255
Observed IPs / Subnet size
25 observed · 256 total
Centroid
21.171702380952382 , 105.7112928571429
Hits / Errors
42 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

113.181.53.0/24

Risk Max LOW Footprint 9.375% Hits 40
Prefix / IP version
/24 · IPv4
Network
113.181.53.0
Broadcast
113.181.53.255
Observed IPs / Subnet size
24 observed · 256 total
Centroid
21.2330225 , 105.709575
Hits / Errors
40 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

123.17.85.0/24

Risk Max LOW Footprint 9.375% Hits 40
Prefix / IP version
/24 · IPv4
Network
123.17.85.0
Broadcast
123.17.85.255
Observed IPs / Subnet size
24 observed · 256 total
Centroid
20.849790000000002 , 105.6978675
Hits / Errors
40 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

123.17.84.0/24

Risk Max LOW Footprint 8.594% Hits 30
Prefix / IP version
/24 · IPv4
Network
123.17.84.0
Broadcast
123.17.84.255
Observed IPs / Subnet size
22 observed · 256 total
Centroid
20.76608 , 105.69683333333337
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

14.249.146.0/24

Risk Max LOW Footprint 8.594% Hits 30
Prefix / IP version
/24 · IPv4
Network
14.249.146.0
Broadcast
14.249.146.255
Observed IPs / Subnet size
22 observed · 256 total
Centroid
20.956576666666663 , 105.90153333333333
Hits / Errors
30 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

123.17.73.0/24

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

123.17.119.0/24

Risk Max LOW Footprint 7.812% Hits 36
Prefix / IP version
/24 · IPv4
Network
123.17.119.0
Broadcast
123.17.119.255
Observed IPs / Subnet size
20 observed · 256 total
Centroid
21.213563888888885 , 105.67068611111114
Hits / Errors
36 hits · 4 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.17.112.0/24

Risk Max LOW Footprint 7.812% Hits 34
Prefix / IP version
/24 · IPv4
Network
123.17.112.0
Broadcast
123.17.112.255
Observed IPs / Subnet size
20 observed · 256 total
Centroid
21.041664705882354 , 105.70255882352942
Hits / Errors
34 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
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

123.17.86.0/24

Risk Max LOW Footprint 7.422% Hits 29
Prefix / IP version
/24 · IPv4
Network
123.17.86.0
Broadcast
123.17.86.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
21.17136551724138 , 105.71351379310349
Hits / Errors
29 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

123.17.118.0/24

Risk Max LOW Footprint 7.422% Hits 24
Prefix / IP version
/24 · IPv4
Network
123.17.118.0
Broadcast
123.17.118.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
21.189187499999996 , 105.69119583333334
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 organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.17.96.0/24

Risk Max LOW Footprint 7.422% Hits 23
Prefix / IP version
/24 · IPv4
Network
123.17.96.0
Broadcast
123.17.96.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
21.23671304347826 , 105.65698695652175
Hits / Errors
23 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

123.17.97.0/24

Risk Max LOW Footprint 7.031% Hits 29
Prefix / IP version
/24 · IPv4
Network
123.17.97.0
Broadcast
123.17.97.255
Observed IPs / Subnet size
18 observed · 256 total
Centroid
21.202931034482763 , 105.68574482758623
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

123.17.87.0/24

Risk Max LOW Footprint 6.641% Hits 33
Prefix / IP version
/24 · IPv4
Network
123.17.87.0
Broadcast
123.17.87.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
21.18971515151515 , 105.6971696969697
Hits / Errors
33 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

123.17.102.0/24

Risk Max LOW Footprint 6.250% Hits 23
Prefix / IP version
/24 · IPv4
Network
123.17.102.0
Broadcast
123.17.102.255
Observed IPs / Subnet size
16 observed · 256 total
Centroid
21.19895652173913 , 105.68936956521739
Hits / Errors
23 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

123.17.80.0/24

Risk Max LOW Footprint 5.859% Hits 20
Prefix / IP version
/24 · IPv4
Network
123.17.80.0
Broadcast
123.17.80.255
Observed IPs / Subnet size
15 observed · 256 total
Centroid
21.203870000000002 , 105.79121500000001
Hits / Errors
20 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

123.17.103.0/24

Risk Max LOW Footprint 5.469% Hits 20
Prefix / IP version
/24 · IPv4
Network
123.17.103.0
Broadcast
123.17.103.255
Observed IPs / Subnet size
14 observed · 256 total
Centroid
21.197250000000004 , 105.69048500000004
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

123.17.115.0/24

Risk Max LOW Footprint 5.078% Hits 22
Prefix / IP version
/24 · IPv4
Network
123.17.115.0
Broadcast
123.17.115.255
Observed IPs / Subnet size
13 observed · 256 total
Centroid
21.19145909090909 , 105.68520909090908
Hits / Errors
22 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.17.121.0/24

Risk Max LOW Footprint 5.078% Hits 20
Prefix / IP version
/24 · IPv4
Network
123.17.121.0
Broadcast
123.17.121.255
Observed IPs / Subnet size
13 observed · 256 total
Centroid
21.150194999999997 , 105.72328999999999
Hits / Errors
20 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.17.78.0/24

Risk Max LOW Footprint 5.078% Hits 17
Prefix / IP version
/24 · IPv4
Network
123.17.78.0
Broadcast
123.17.78.255
Observed IPs / Subnet size
13 observed · 256 total
Centroid
21.322082352941173 , 105.76536470588238
Hits / Errors
17 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

123.17.92.0/24

Risk Max LOW Footprint 4.688% Hits 18
Prefix / IP version
/24 · IPv4
Network
123.17.92.0
Broadcast
123.17.92.255
Observed IPs / Subnet size
12 observed · 256 total
Centroid
21.231288888888894 , 105.66186666666667
Hits / Errors
18 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

123.17.68.0/24

Risk Max LOW Footprint 4.688% Hits 15
Prefix / IP version
/24 · IPv4
Network
123.17.68.0
Broadcast
123.17.68.255
Observed IPs / Subnet size
12 observed · 256 total
Centroid
21.255279999999996 , 105.63718000000003
Hits / Errors
15 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

123.17.100.0/24

Risk Max LOW Footprint 4.688% Hits 14
Prefix / IP version
/24 · IPv4
Network
123.17.100.0
Broadcast
123.17.100.255
Observed IPs / Subnet size
12 observed · 256 total
Centroid
21.229414285714284 , 105.66329285714289
Hits / Errors
14 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

123.17.81.0/24

Risk Max LOW Footprint 4.297% Hits 19
Prefix / IP version
/24 · IPv4
Network
123.17.81.0
Broadcast
123.17.81.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
21.189778947368424 , 105.69748421052633
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

123.17.109.0/24

Risk Max LOW Footprint 4.297% Hits 16
Prefix / IP version
/24 · IPv4
Network
123.17.109.0
Broadcast
123.17.109.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
20.604925 , 105.66992499999999
Hits / Errors
16 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

123.17.111.0/24

Risk Max LOW Footprint 4.297% Hits 14
Prefix / IP version
/24 · IPv4
Network
123.17.111.0
Broadcast
123.17.111.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
21.2274 , 105.66588571428572
Hits / Errors
14 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

123.17.126.0/24

Risk Max LOW Footprint 4.297% Hits 12
Prefix / IP version
/24 · IPv4
Network
123.17.126.0
Broadcast
123.17.126.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
21.262233333333338 , 105.63585000000002
Hits / Errors
12 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

123.17.93.0/24

Risk Max LOW Footprint 3.516% Hits 16
Prefix / IP version
/24 · IPv4
Network
123.17.93.0
Broadcast
123.17.93.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
21.83 , 105.91187500000001
Hits / Errors
16 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

123.17.110.0/24

Risk Max LOW Footprint 3.516% Hits 15
Prefix / IP version
/24 · IPv4
Network
123.17.110.0
Broadcast
123.17.110.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
21.23548 , 105.65785333333335
Hits / Errors
15 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

123.17.108.0/24

Risk Max LOW Footprint 3.516% Hits 15
Prefix / IP version
/24 · IPv4
Network
123.17.108.0
Broadcast
123.17.108.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
21.23422666666666 , 105.65946666666669
Hits / Errors
15 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

123.17.107.0/24

Risk Max LOW Footprint 3.516% Hits 12
Prefix / IP version
/24 · IPv4
Network
123.17.107.0
Broadcast
123.17.107.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
21.215033333333334 , 105.67588333333333
Hits / Errors
12 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
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