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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: Metronet Carrier Grade NAT · Clear
Snapshot 2026-01-26 Results 5 Page 1 / 1

199.66.69.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
199.66.69.0
Broadcast
199.66.69.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
41.6558 , -88.2203
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-05 15:09 · 2025-05-06 09:16
Top ASN
AS30600 · Metronet
Top organization / ISP
Metronet Carrier Grade NAT · Metronet
Top geo
United States · Illinois · Plainfield
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

69.174.173.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
69.174.173.0
Broadcast
69.174.173.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.4798 , -88.9922
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-07 01:53 · 2025-08-07 01:53
Top ASN
AS30600 · Metronet
Top organization / ISP
Metronet Carrier Grade NAT · Metronet
Top geo
United States · Illinois · Bloomington
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2
Open report →

199.66.65.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
199.66.65.0
Broadcast
199.66.65.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.6837 , -88.3499
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-22 16:36 · 2025-07-22 16:36
Top ASN
AS30600 · Metronet
Top organization / ISP
MetroNet Carrier Grade NAT · Metronet
Top geo
United States · Illinois · Oswego
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2
Open report →

69.174.136.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
69.174.136.0
Broadcast
69.174.136.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.6837 , -88.3499
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 22:57 · 2025-05-05 22:57
Top ASN
AS30600 · Metronet
Top organization / ISP
MetroNet Carrier Grade NAT · Metronet
Top geo
United States · Illinois · Oswego
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

69.174.144.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
69.174.144.0
Broadcast
69.174.144.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.6558 , -88.2203
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 00:44 · 2025-05-05 00:44
Top ASN
AS30600 · Metronet
Top organization / ISP
Metronet Carrier Grade NAT · Metronet
Top geo
United States · Illinois · Plainfield
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2
Open report →