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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: Technology NHD Co., Ltd · Clear
Snapshot 2026-02-03 Results 2 Page 1 / 1

157.66.158.0/24

Risk Max — LOW Footprint 1.172% Hits 6
Prefix / IP version
/24 · IPv4
Network
157.66.158.0
Broadcast
157.66.158.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
21.0278 , 105.834
Hits / Errors
6 hits · 2 errors
First / Last seen
2025-11-06 07:00 · 2025-11-06 12:31
Top ASN
AS63737 · VIETSERVER SERVICES TECHNOLOGY COMPANY LIMITED
Top organization / ISP
Technology NHD Co., Ltd · NHD
Top geo
Vietnam · Hanoi · Hanoi
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

157.66.159.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
157.66.159.0
Broadcast
157.66.159.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
21.0278 , 105.834
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-08-15 14:42 · 2025-08-17 04:46
Top ASN
AS63737 · VIETSERVER SERVICES TECHNOLOGY COMPANY LIMITED
Top organization / ISP
Technology NHD Co., Ltd · NHD
Top geo
Vietnam · Hanoi · Hanoi
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2
Open report →