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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: Washington State K-20 Telecommunications Network · Clear
Snapshot 2026-01-26 Results 12 Page 1 / 1

67.201.201.0/24

Risk Max — LOW Footprint 0.391% Hits 390
Prefix / IP version
/24 · IPv4
Network
67.201.201.0
Broadcast
67.201.201.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.838800000000006 , -122.1985
Hits / Errors
390 hits · 221 errors
First / Last seen
2024-11-25 00:00 · 2024-11-28 00:01
Top ASN
AS15199 · Western Washington University
Top organization / ISP
Washington State K-20 Telecommunications Network · Western Washington University
Top geo
United States · Washington · Bothell
Window / Updated
2024-11-25 → 2024-12-02 · Updated 2026-01-14 · v2
Open report →

168.212.224.0/24

Risk Max — LOW Footprint 0.391% Hits 63
Prefix / IP version
/24 · IPv4
Network
168.212.224.0
Broadcast
168.212.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.8948 , -122.2031
Hits / Errors
63 hits · 25 errors
First / Last seen
2024-12-05 17:31 · 2024-12-06 21:24
Top ASN
AS10430 · Washington State K-20 Telecommunications Network
Top organization / ISP
Washington School Information Processing Cooperative · Washington State K-20 Telecommunications Network
Top geo
United States · Washington · Everett
Window / Updated
2024-12-02 → 2024-12-09 · Updated 2026-01-14 · v2
Open report →

206.193.5.0/24

Risk Max — LOW Footprint 0.391% Hits 35
Prefix / IP version
/24 · IPv4
Network
206.193.5.0
Broadcast
206.193.5.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.7345 , -117.44700000000002
Hits / Errors
35 hits · 4 errors
First / Last seen
2025-02-21 19:28 · 2025-02-21 19:28
Top ASN
AS10430 · Washington State K-20 Telecommunications Network
Top organization / ISP
Spokane School District # 81 · Washington State K-20 Telecommunications Network
Top geo
United States · Washington · Spokane
Window / Updated
2025-02-17 → 2025-02-24 · Updated 2026-01-14 · v2
Open report →

168.156.92.0/24

Risk Max — LOW Footprint 0.391% Hits 24
Prefix / IP version
/24 · IPv4
Network
168.156.92.0
Broadcast
168.156.92.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.583400000000005 , -122.29789999999998
Hits / Errors
24 hits · 0 errors
First / Last seen
2025-05-19 21:20 · 2025-05-19 21:21
Top ASN
AS10430 · Washington State K-20 Telecommunications Network
Top organization / ISP
Washington State Board Community & Technical Colleges · Washington State Board Community & Technical Colleges
Top geo
United States · Washington · Seattle
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2
Open report →

216.186.62.0/24

Risk Max — LOW Footprint 0.391% Hits 24
Prefix / IP version
/24 · IPv4
Network
216.186.62.0
Broadcast
216.186.62.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.63 , -122.29720000000002
Hits / Errors
24 hits · 0 errors
First / Last seen
2025-05-14 21:33 · 2025-05-14 21:33
Top ASN
AS54027 · Seattle Public Schools
Top organization / ISP
Washington State K-20 Telecommunications Network · Seattle Public Schools
Top geo
United States · Washington · Seattle
Window / Updated
2025-05-12 → 2025-05-19 · Updated 2026-01-14 · v2
Open report →

168.156.1.0/24

Risk Max — LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
168.156.1.0
Broadcast
168.156.1.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.9411 , -122.62150000000001
Hits / Errors
17 hits · 0 errors
First / Last seen
2023-11-02 01:17 · 2023-11-02 01:17
Top ASN
AS10430 · Washington State K-20 Telecommunications Network
Top organization / ISP
Washington State Board Community & Technical Colleges · Washington State Board Community & Technical Colleges
Top geo
United States · Washington · Custer
Window / Updated
2023-10-30 → 2023-11-06 · Updated 2026-01-14 · v2
Open report →

216.210.23.0/24

Risk Max — LOW Footprint 0.391% Hits 13
Prefix / IP version
/24 · IPv4
Network
216.210.23.0
Broadcast
216.210.23.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.5834 , -122.2979
Hits / Errors
13 hits · 0 errors
First / Last seen
2024-09-20 19:56 · 2024-09-20 20:06
Top ASN
AS54027 · Seattle Public Schools
Top organization / ISP
Washington State K-20 Telecommunications Network · Seattle SD
Top geo
United States · Washington · Seattle
Window / Updated
2024-09-16 → 2024-09-23 · Updated 2026-01-14 · v2
Open report →

164.116.94.0/24

Risk Max — LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
164.116.94.0
Broadcast
164.116.94.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.16909999999999 , -122.5065
Hits / Errors
12 hits · 0 errors
First / Last seen
2025-03-10 18:22 · 2025-03-10 18:22
Top ASN
AS10430 · Washington State K-20 Telecommunications Network
Top organization / ISP
Washington School Information Processing Cooperative · Washington State K-20 Telecommunications Network
Top geo
United States · Washington · Lakewood
Window / Updated
2025-03-10 → 2025-03-17 · Updated 2026-01-14 · v2
Open report →

216.210.20.0/24

Risk Max — LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
216.210.20.0
Broadcast
216.210.20.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.6859 , -122.2994
Hits / Errors
11 hits · 1 errors
First / Last seen
2024-09-20 19:53 · 2024-09-20 19:53
Top ASN
AS54027 · Seattle Public Schools
Top organization / ISP
Washington State K-20 Telecommunications Network · Seattle SD
Top geo
United States · Washington · Seattle
Window / Updated
2024-09-16 → 2024-09-23 · Updated 2026-01-14 · v2
Open report →

169.204.151.0/24

Risk Max — LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
169.204.151.0
Broadcast
169.204.151.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.4998 , -122.00859999999999
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-05-02 20:18 · 2024-05-02 20:19
Top ASN
AS10430 · Washington State K-20 Telecommunications Network
Top organization / ISP
Washington School Information Processing Cooperative · Washington State K-20 Telecommunications Network
Top geo
United States · Washington · Issaquah
Window / Updated
2024-04-29 → 2024-05-06 · Updated 2026-01-14 · v2
Open report →

216.210.22.0/24

Risk Max — LOW Footprint 0.391% Hits 10
Prefix / IP version
/24 · IPv4
Network
216.210.22.0
Broadcast
216.210.22.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.6295 , -122.31649999999999
Hits / Errors
10 hits · 0 errors
First / Last seen
2024-09-20 21:10 · 2024-09-20 21:13
Top ASN
AS54027 · Seattle Public Schools
Top organization / ISP
Washington State K-20 Telecommunications Network · Seattle SD
Top geo
United States · Washington · Seattle
Window / Updated
2024-09-16 → 2024-09-23 · Updated 2026-01-14 · v2
Open report →

152.157.207.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
152.157.207.0
Broadcast
152.157.207.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.4936 , -122.2415
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-11-19 15:13 · 2024-11-19 15:13
Top ASN
AS10430 · Washington State K-20 Telecommunications Network
Top organization / ISP
Washington School Information Processing Cooperative · Washington State K-20 Telecommunications Network
Top geo
United States · Washington · Seattle
Window / Updated
2024-11-18 → 2024-11-25 · Updated 2026-01-14 · v2
Open report →