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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: CallPlus Services Limited · Clear
Snapshot 2026-03-08 Results 4 Page 1 / 1

121.99.4.0/24

Risk Max — LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
121.99.4.0
Broadcast
121.99.4.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-37.7333 , 176.1667
Hits / Errors
4 hits · 2 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
AS9790 · Two Degrees Networks Limited
Top organization / ISP
CallPlus Services Limited · Two Degrees Mobile Limited
Top geo
New Zealand · Bay of Plenty · Tauranga
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

161.29.130.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
161.29.130.0
Broadcast
161.29.130.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-36.8214 , 174.7069
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS9790 · Two Degrees Networks Limited
Top organization / ISP
CallPlus Services Limited · FX VoIP Network
Top geo
New Zealand · Auckland · Auckland
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

121.98.181.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.98.181.0
Broadcast
121.98.181.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-43.5555 , 172.6183
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS9790 · Two Degrees Networks Limited
Top organization / ISP
CallPlus Services Limited · Two Degrees Mobile Limited
Top geo
New Zealand · Canterbury · Christchurch
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

121.99.206.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.99.206.0
Broadcast
121.99.206.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-43.579 , 172.5736
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS9790 · Two Degrees Networks Limited
Top organization / ISP
CallPlus Services Limited · Two Degrees Mobile Limited
Top geo
New Zealand · Canterbury · Christchurch
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →