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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.
Active filter: Quận Ba · Clear
Snapshot 2026-03-06 Results 244 Page 7 / 7

123.28.137.0/24

Risk Max — LOW Footprint 1.562% Hits 8
Prefix / IP version
/24 · IPv4
Network
123.28.137.0
Broadcast
123.28.137.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.624487499999999 , 106.25277499999999
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Posts and Telecommunications Group · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Quận Ba
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

123.28.215.0/24

Risk Max — LOW Footprint 1.562% Hits 6
Prefix / IP version
/24 · IPv4
Network
123.28.215.0
Broadcast
123.28.215.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.7815 , 106.694
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Posts and Telecommunications Group · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Quận Ba
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

123.28.219.0/24

Risk Max — LOW Footprint 1.172% Hits 12
Prefix / IP version
/24 · IPv4
Network
123.28.219.0
Broadcast
123.28.219.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
10.7815 , 106.694
Hits / Errors
12 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Posts and Telecommunications Group · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Quận Ba
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

123.28.213.0/24

Risk Max — LOW Footprint 1.172% Hits 7
Prefix / IP version
/24 · IPv4
Network
123.28.213.0
Broadcast
123.28.213.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
10.781499999999998 , 106.69399999999999
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Posts and Telecommunications Group · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Quận Ba
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →
Page 7 of 7
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