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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.

123.28.45.0/24

Risk Max LOW Footprint 17.578% Hits 80
Prefix / IP version
/24 · IPv4
Network
123.28.45.0
Broadcast
123.28.45.255
Observed IPs / Subnet size
45 observed · 256 total
Centroid
10.781500000000001 , 106.694
Hits / Errors
80 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.16.0/24

Risk Max LOW Footprint 17.188% Hits 84
Prefix / IP version
/24 · IPv4
Network
123.28.16.0
Broadcast
123.28.16.255
Observed IPs / Subnet size
44 observed · 256 total
Centroid
10.781500000000008 , 106.69400000000005
Hits / Errors
84 hits · 4 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.118.0/24

Risk Max LOW Footprint 17.188% Hits 69
Prefix / IP version
/24 · IPv4
Network
123.28.118.0
Broadcast
123.28.118.255
Observed IPs / Subnet size
44 observed · 256 total
Centroid
10.781500000000003 , 106.69400000000007
Hits / Errors
69 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.220.0/24

Risk Max LOW Footprint 16.797% Hits 90
Prefix / IP version
/24 · IPv4
Network
123.28.220.0
Broadcast
123.28.220.255
Observed IPs / Subnet size
43 observed · 256 total
Centroid
10.781500000000001 , 106.69400000000005
Hits / Errors
90 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.47.0/24

Risk Max LOW Footprint 16.797% Hits 84
Prefix / IP version
/24 · IPv4
Network
123.28.47.0
Broadcast
123.28.47.255
Observed IPs / Subnet size
43 observed · 256 total
Centroid
10.781500000000001 , 106.69400000000005
Hits / Errors
84 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.163.0/24

Risk Max LOW Footprint 16.406% Hits 81
Prefix / IP version
/24 · IPv4
Network
123.28.163.0
Broadcast
123.28.163.255
Observed IPs / Subnet size
42 observed · 256 total
Centroid
10.647102469135806 , 106.316325925926
Hits / Errors
81 hits · 2 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.194.0/24

Risk Max LOW Footprint 16.406% Hits 81
Prefix / IP version
/24 · IPv4
Network
123.28.194.0
Broadcast
123.28.194.255
Observed IPs / Subnet size
42 observed · 256 total
Centroid
10.781500000000003 , 106.69400000000002
Hits / Errors
81 hits · 4 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.180.0/24

Risk Max LOW Footprint 16.406% Hits 77
Prefix / IP version
/24 · IPv4
Network
123.28.180.0
Broadcast
123.28.180.255
Observed IPs / Subnet size
42 observed · 256 total
Centroid
10.667309090909091 , 106.37310909090911
Hits / Errors
77 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.237.0/24

Risk Max LOW Footprint 16.406% Hits 75
Prefix / IP version
/24 · IPv4
Network
123.28.237.0
Broadcast
123.28.237.255
Observed IPs / Subnet size
42 observed · 256 total
Centroid
10.781500000000005 , 106.69400000000005
Hits / Errors
75 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.18.0/24

Risk Max LOW Footprint 16.406% Hits 72
Prefix / IP version
/24 · IPv4
Network
123.28.18.0
Broadcast
123.28.18.255
Observed IPs / Subnet size
42 observed · 256 total
Centroid
10.781500000000001 , 106.69400000000002
Hits / Errors
72 hits · 2 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.185.0/24

Risk Max LOW Footprint 16.016% Hits 85
Prefix / IP version
/24 · IPv4
Network
123.28.185.0
Broadcast
123.28.185.255
Observed IPs / Subnet size
41 observed · 256 total
Centroid
10.678056470588237 , 106.40331058823531
Hits / Errors
85 hits · 3 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.145.0/24

Risk Max LOW Footprint 16.016% Hits 72
Prefix / IP version
/24 · IPv4
Network
123.28.145.0
Broadcast
123.28.145.255
Observed IPs / Subnet size
41 observed · 256 total
Centroid
10.57796527777778 , 106.12204166666669
Hits / Errors
72 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.108.0/24

Risk Max LOW Footprint 15.625% Hits 89
Prefix / IP version
/24 · IPv4
Network
123.28.108.0
Broadcast
123.28.108.255
Observed IPs / Subnet size
40 observed · 256 total
Centroid
10.781500000000008 , 106.69400000000006
Hits / Errors
89 hits · 2 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.35.0/24

Risk Max LOW Footprint 15.625% Hits 87
Prefix / IP version
/24 · IPv4
Network
123.28.35.0
Broadcast
123.28.35.255
Observed IPs / Subnet size
40 observed · 256 total
Centroid
10.781500000000003 , 106.69400000000005
Hits / Errors
87 hits · 3 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.195.0/24

Risk Max LOW Footprint 15.625% Hits 72
Prefix / IP version
/24 · IPv4
Network
123.28.195.0
Broadcast
123.28.195.255
Observed IPs / Subnet size
40 observed · 256 total
Centroid
10.781500000000001 , 106.69400000000003
Hits / Errors
72 hits · 3 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.221.0/24

Risk Max LOW Footprint 15.625% Hits 71
Prefix / IP version
/24 · IPv4
Network
123.28.221.0
Broadcast
123.28.221.255
Observed IPs / Subnet size
40 observed · 256 total
Centroid
10.781500000000003 , 106.69400000000006
Hits / Errors
71 hits · 3 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.177.0/24

Risk Max LOW Footprint 15.625% Hits 63
Prefix / IP version
/24 · IPv4
Network
123.28.177.0
Broadcast
123.28.177.255
Observed IPs / Subnet size
40 observed · 256 total
Centroid
10.59541111111111 , 106.1710666666667
Hits / Errors
63 hits · 2 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.121.0/24

Risk Max LOW Footprint 15.234% Hits 84
Prefix / IP version
/24 · IPv4
Network
123.28.121.0
Broadcast
123.28.121.255
Observed IPs / Subnet size
39 observed · 256 total
Centroid
10.781500000000003 , 106.69400000000003
Hits / Errors
84 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.17.0/24

Risk Max LOW Footprint 15.234% Hits 77
Prefix / IP version
/24 · IPv4
Network
123.28.17.0
Broadcast
123.28.17.255
Observed IPs / Subnet size
39 observed · 256 total
Centroid
10.781500000000007 , 106.69400000000005
Hits / Errors
77 hits · 3 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.192.0/24

Risk Max LOW Footprint 15.234% Hits 71
Prefix / IP version
/24 · IPv4
Network
123.28.192.0
Broadcast
123.28.192.255
Observed IPs / Subnet size
39 observed · 256 total
Centroid
10.781500000000003 , 106.69400000000006
Hits / Errors
71 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.205.0/24

Risk Max LOW Footprint 14.844% Hits 79
Prefix / IP version
/24 · IPv4
Network
123.28.205.0
Broadcast
123.28.205.255
Observed IPs / Subnet size
38 observed · 256 total
Centroid
10.781500000000003 , 106.69400000000003
Hits / Errors
79 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.120.0/24

Risk Max LOW Footprint 14.844% Hits 73
Prefix / IP version
/24 · IPv4
Network
123.28.120.0
Broadcast
123.28.120.255
Observed IPs / Subnet size
38 observed · 256 total
Centroid
10.781500000000003 , 106.69400000000006
Hits / Errors
73 hits · 3 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.224.0/24

Risk Max LOW Footprint 14.844% Hits 68
Prefix / IP version
/24 · IPv4
Network
123.28.224.0
Broadcast
123.28.224.255
Observed IPs / Subnet size
38 observed · 256 total
Centroid
10.781500000000003 , 106.69400000000006
Hits / Errors
68 hits · 2 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.42.0/24

Risk Max LOW Footprint 14.844% Hits 66
Prefix / IP version
/24 · IPv4
Network
123.28.42.0
Broadcast
123.28.42.255
Observed IPs / Subnet size
38 observed · 256 total
Centroid
10.7815 , 106.69400000000003
Hits / Errors
66 hits · 4 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.183.0/24

Risk Max LOW Footprint 14.844% Hits 65
Prefix / IP version
/24 · IPv4
Network
123.28.183.0
Broadcast
123.28.183.255
Observed IPs / Subnet size
38 observed · 256 total
Centroid
10.594695384615381 , 106.16905538461538
Hits / Errors
65 hits · 3 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.206.0/24

Risk Max LOW Footprint 14.844% Hits 62
Prefix / IP version
/24 · IPv4
Network
123.28.206.0
Broadcast
123.28.206.255
Observed IPs / Subnet size
38 observed · 256 total
Centroid
10.781500000000003 , 106.69400000000006
Hits / Errors
62 hits · 2 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.235.0/24

Risk Max LOW Footprint 14.844% Hits 57
Prefix / IP version
/24 · IPv4
Network
123.28.235.0
Broadcast
123.28.235.255
Observed IPs / Subnet size
38 observed · 256 total
Centroid
10.781500000000003 , 106.69400000000006
Hits / Errors
57 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.25.0/24

Risk Max LOW Footprint 14.062% Hits 78
Prefix / IP version
/24 · IPv4
Network
123.28.25.0
Broadcast
123.28.25.255
Observed IPs / Subnet size
36 observed · 256 total
Centroid
10.781500000000001 , 106.69400000000002
Hits / Errors
78 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.53.0/24

Risk Max LOW Footprint 14.062% Hits 70
Prefix / IP version
/24 · IPv4
Network
123.28.53.0
Broadcast
123.28.53.255
Observed IPs / Subnet size
36 observed · 256 total
Centroid
10.781500000000003 , 106.69400000000005
Hits / Errors
70 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.52.0/24

Risk Max LOW Footprint 14.062% Hits 65
Prefix / IP version
/24 · IPv4
Network
123.28.52.0
Broadcast
123.28.52.255
Observed IPs / Subnet size
36 observed · 256 total
Centroid
10.7815 , 106.69400000000002
Hits / Errors
65 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.20.0/24

Risk Max LOW Footprint 14.062% Hits 63
Prefix / IP version
/24 · IPv4
Network
123.28.20.0
Broadcast
123.28.20.255
Observed IPs / Subnet size
36 observed · 256 total
Centroid
10.781500000000005 , 106.69400000000006
Hits / Errors
63 hits · 2 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.74.0/24

Risk Max LOW Footprint 14.062% Hits 59
Prefix / IP version
/24 · IPv4
Network
123.28.74.0
Broadcast
123.28.74.255
Observed IPs / Subnet size
36 observed · 256 total
Centroid
10.781499999999998 , 106.69400000000002
Hits / Errors
59 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.227.0/24

Risk Max LOW Footprint 14.062% Hits 57
Prefix / IP version
/24 · IPv4
Network
123.28.227.0
Broadcast
123.28.227.255
Observed IPs / Subnet size
36 observed · 256 total
Centroid
10.781499999999998 , 106.69400000000002
Hits / Errors
57 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.207.0/24

Risk Max LOW Footprint 13.672% Hits 77
Prefix / IP version
/24 · IPv4
Network
123.28.207.0
Broadcast
123.28.207.255
Observed IPs / Subnet size
35 observed · 256 total
Centroid
10.781500000000001 , 106.69400000000003
Hits / Errors
77 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.10.0/24

Risk Max LOW Footprint 13.672% Hits 69
Prefix / IP version
/24 · IPv4
Network
123.28.10.0
Broadcast
123.28.10.255
Observed IPs / Subnet size
35 observed · 256 total
Centroid
10.781500000000003 , 106.69400000000005
Hits / Errors
69 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.69.0/24

Risk Max LOW Footprint 13.672% Hits 69
Prefix / IP version
/24 · IPv4
Network
123.28.69.0
Broadcast
123.28.69.255
Observed IPs / Subnet size
35 observed · 256 total
Centroid
10.781500000000005 , 106.69400000000006
Hits / Errors
69 hits · 2 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.111.0/24

Risk Max LOW Footprint 13.672% Hits 67
Prefix / IP version
/24 · IPv4
Network
123.28.111.0
Broadcast
123.28.111.255
Observed IPs / Subnet size
35 observed · 256 total
Centroid
10.781500000000001 , 106.69400000000003
Hits / Errors
67 hits · 3 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.112.0/24

Risk Max LOW Footprint 13.281% Hits 76
Prefix / IP version
/24 · IPv4
Network
123.28.112.0
Broadcast
123.28.112.255
Observed IPs / Subnet size
34 observed · 256 total
Centroid
10.781500000000007 , 106.69400000000007
Hits / Errors
76 hits · 2 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.124.0/24

Risk Max LOW Footprint 13.281% Hits 72
Prefix / IP version
/24 · IPv4
Network
123.28.124.0
Broadcast
123.28.124.255
Observed IPs / Subnet size
34 observed · 256 total
Centroid
10.781500000000003 , 106.69400000000006
Hits / Errors
72 hits · 3 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

123.28.165.0/24

Risk Max LOW Footprint 13.281% Hits 70
Prefix / IP version
/24 · IPv4
Network
123.28.165.0
Broadcast
123.28.165.255
Observed IPs / Subnet size
34 observed · 256 total
Centroid
10.703741428571426 , 106.47548857142857
Hits / Errors
70 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2