DigitalOcean Referral Badge
cloud1
cloud2
cloud3
cloud4
cloud5
cloud6

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: Hanyang University · Clear
Snapshot 2026-01-25 Results 2 Page 1 / 1

166.104.53.0/24

Risk Max 2 LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
166.104.53.0
Broadcast
166.104.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5511 , 127.0387
Hits / Errors
6 hits · 4 errors
First / Last seen
2024-12-26 05:58 · 2024-12-26 05:58
Top ASN
AS9321 · Hanyang University
Top organization / ISP
— · Hanyang University
Top geo
South Korea · Seoul · Seongdong-gu
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2
Open report →

166.104.133.0/24

Risk Max — LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
166.104.133.0
Broadcast
166.104.133.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5511 , 127.0387
Hits / Errors
12 hits · 6 errors
First / Last seen
2025-05-13 10:57 · 2025-05-13 13:21
Top ASN
AS9321 · Hanyang University
Top organization / ISP
— · Hanyang University
Top geo
South Korea · Seoul · Seongdong-gu
Window / Updated
2025-05-12 → 2025-05-19 · Updated 2026-01-14 · v2
Open report →