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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: Yên Định · Clear
Snapshot 2026-03-18 Results — Page 1 / 1

221.132.10.0/24

Risk Max — LOW Footprint 5.859% Hits 25
Prefix / IP version
/24 · IPv4
Network
221.132.10.0
Broadcast
221.132.10.255
Observed IPs / Subnet size
15 observed · 256 total
Centroid
20.201500000000003 , 106.296
Hits / Errors
25 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Posts and Telecommunications Group · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ninh Binh · Yên Định
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

171.251.237.0/24

Risk Max — LOW Footprint 5.469% Hits 15
Prefix / IP version
/24 · IPv4
Network
171.251.237.0
Broadcast
171.251.237.255
Observed IPs / Subnet size
14 observed · 256 total
Centroid
20.241746666666675 , 106.2672666666667
Hits / Errors
15 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
VIETEL · Viettel Corporation
Top geo
Vietnam · Ninh Binh · Yên Định
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

116.107.151.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
116.107.151.0
Broadcast
116.107.151.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
20.2015 , 106.296
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS7552 · Viettel Group
Top organization / ISP
VIETTEL · Viettel Group
Top geo
Vietnam · Ninh Binh · Yên Định
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →