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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: 234, Galle Road, Colombo 4 · Clear
Snapshot 2026-03-08 Results 5 Page 1 / 1

45.121.91.0/24

Risk Max — LOW Footprint 4.297% Hits 12
Prefix / IP version
/24 · IPv4
Network
45.121.91.0
Broadcast
45.121.91.255
Observed IPs / Subnet size
11 observed · 256 total
Centroid
6.8491 , 79.93960000000001
Hits / Errors
12 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS132447 · 234, Galle Road, Colombo 4
Top organization / ISP
Hutchison Telecommunications Lanka (Private) Limited · Hutchison Telecommunications Lanka (Private) Limited
Top geo
Sri Lanka · Western Province · Pannipitiya
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

45.121.88.0/24

Risk Max — LOW Footprint 3.125% Hits 9
Prefix / IP version
/24 · IPv4
Network
45.121.88.0
Broadcast
45.121.88.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
6.8491 , 79.9396
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS132447 · 234, Galle Road, Colombo 4
Top organization / ISP
Hutchison Telecommunications Lanka (Private) Limited · Hutchison Telecommunications Lanka (Private) Limited
Top geo
Sri Lanka · Western Province · Pannipitiya
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

103.21.165.0/24

Risk Max — LOW Footprint 3.125% Hits 8
Prefix / IP version
/24 · IPv4
Network
103.21.165.0
Broadcast
103.21.165.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
6.931800000000001 , 79.8863
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS132447 · 234, Galle Road, Colombo 4
Top organization / ISP
Hutchison Telecommunications Lanka (Private) Limited · Hutchison Telecommunications Lanka (Private) Limited
Top geo
Sri Lanka · Western Province · Colombo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

103.21.164.0/24

Risk Max — LOW Footprint 2.734% Hits 7
Prefix / IP version
/24 · IPv4
Network
103.21.164.0
Broadcast
103.21.164.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
6.931800000000001 , 79.8863
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS132447 · 234, Galle Road, Colombo 4
Top organization / ISP
Hutchison Telecommunications Lanka (Private) Limited · Hutchison Telecommunications Lanka (Private) Limited
Top geo
Sri Lanka · Western Province · Colombo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

103.21.166.0/24

Risk Max — LOW Footprint 1.953% Hits 8
Prefix / IP version
/24 · IPv4
Network
103.21.166.0
Broadcast
103.21.166.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
6.9318 , 79.8863
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS132447 · 234, Galle Road, Colombo 4
Top organization / ISP
Hutchison Telecommunications Lanka (Private) Limited · Hutchison Telecommunications Lanka (Private) Limited
Top geo
Sri Lanka · Western Province · Colombo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →