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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: Seda · Clear
Snapshot 2026-01-20 Results 8 Page 1 / 1

133.9.37.0/24

Risk Max 1 LOW Footprint 0.391% Hits 138
Prefix / IP version
/24 · IPv4
Network
133.9.37.0
Broadcast
133.9.37.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.79 , 139.6359
Hits / Errors
138 hits · 0 errors
First / Last seen
2025-08-01 15:22 · 2025-08-01 15:25
Top ASN
AS17956 · WASEDA University
Top organization / ISP
— · WASEDA University
Top geo
Japan · Tokyo · Akatsuka
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →

66.190.129.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
66.190.129.0
Broadcast
66.190.129.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.7004 , -93.2334
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-05-13 02:57 · 2024-05-13 02:57
Top ASN
AS20115 · Charter Communications LLC
Top organization / ISP
Spectrum · Charter Communications
Top geo
United States · Missouri · Sedalia
Window / Updated
2024-05-13 → 2024-05-20 · Updated 2026-01-14 · v2
Open report →

31.22.245.0/24

Risk Max — LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
31.22.245.0
Broadcast
31.22.245.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.1858 , -7.7792
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-05-09 20:27 · 2025-05-09 20:27
Top ASN
AS42863 · MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.
Top organization / ISP
— · MEO
Top geo
Portugal · Portalegre · Seda
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

103.171.245.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
103.171.245.0
Broadcast
103.171.245.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-7.3989 , 111.4901
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-10-04 10:17 · 2025-10-04 10:17
Top ASN
AS141674 · PT Data Arta Sedaya
Top organization / ISP
Amandanet, CV · PT Data Arta Sedaya
Top geo
Indonesia · East Java · Ngawi
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2
Open report →

71.200.167.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
71.200.167.0
Broadcast
71.200.167.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.3305 , -76.4959
Hits / Errors
3 hits · 2 errors
First / Last seen
2025-08-21 20:32 · 2025-08-21 20:33
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, IP Services · Comcast Cable Communications, LLC
Top geo
United States · Maryland · Rosedale
Window / Updated
2025-08-18 → 2025-08-25 · Updated 2026-01-14 · v2
Open report →

103.163.80.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
103.163.80.0
Broadcast
103.163.80.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-7.5447 , 111.657
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-15 20:27 · 2025-11-15 20:27
Top ASN
AS141674 · PT Data Arta Sedaya
Top organization / ISP
— · PT Data Arta Sedaya
Top geo
Indonesia · East Java · Caruban
Window / Updated
2025-11-10 → 2025-11-17 · Updated 2026-01-14 · v2
Open report →

103.181.254.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
103.181.254.0
Broadcast
103.181.254.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-6.7668 , 111.574
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 19:55 · 2025-11-06 19:55
Top ASN
AS141145 · PT Giga Digital Nusantara
Top organization / ISP
CV Langit Bersama · PT Giga Digital Nusantara
Top geo
Indonesia · Central Java · Sedan
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

103.171.244.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
103.171.244.0
Broadcast
103.171.244.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-7.8685 , 111.462
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 04:51 · 2025-05-05 04:51
Top ASN
AS141674 · PT Data Arta Sedaya
Top organization / ISP
Amandanet, CV · PT Data Arta Sedaya
Top geo
Indonesia · East Java · Ponorogo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →