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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.

213.55.187.0/24

Risk Max 1 LOW Footprint 0.391% Hits 133
Prefix / IP version
/24 · IPv4
Network
213.55.187.0
Broadcast
213.55.187.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.3433 , 8.5394
Hits / Errors
133 hits · 1 errors
First / Last seen
2025-04-06 17:53 · 2025-04-06 17:54
Top ASN
AS15796 · Salt Mobile SA
Top organization / ISP
Top geo
Window / Updated
2025-03-31 → 2025-04-07 · Updated 2026-01-14 · v2

213.55.247.0/24

Risk Max LOW Footprint 0.391% Hits 55
Prefix / IP version
/24 · IPv4
Network
213.55.247.0
Broadcast
213.55.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.3779 , 8.5236
Hits / Errors
55 hits · 6 errors
First / Last seen
2025-02-02 19:51 · 2025-02-02 23:21
Top ASN
AS15796 · Salt Mobile SA
Top organization / ISP
Top geo
Window / Updated
2025-01-27 → 2025-02-03 · Updated 2026-01-14 · v2

213.55.242.0/24

Risk Max LOW Footprint 0.391% Hits 19
Prefix / IP version
/24 · IPv4
Network
213.55.242.0
Broadcast
213.55.242.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.4095 , 8.5514
Hits / Errors
19 hits · 0 errors
First / Last seen
2025-05-24 18:33 · 2025-05-24 18:36
Top ASN
AS15796 · Salt Mobile SA
Top organization / ISP
Top geo
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

213.55.223.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
213.55.223.0
Broadcast
213.55.223.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
46.5294 , 6.6123
Hits / Errors
17 hits · 0 errors
First / Last seen
2025-03-14 21:43 · 2025-03-14 21:44
Top ASN
AS15796 · Salt Mobile SA
Top organization / ISP
Top geo
Window / Updated
2025-03-10 → 2025-03-17 · Updated 2026-01-14 · v2

213.55.189.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
213.55.189.0
Broadcast
213.55.189.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.3934 , 8.5163
Hits / Errors
17 hits · 0 errors
First / Last seen
2025-01-08 18:46 · 2025-01-08 18:47
Top ASN
AS15796 · Salt Mobile SA
Top organization / ISP
Top geo
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2

213.55.185.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
213.55.185.0
Broadcast
213.55.185.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.3433 , 8.5394
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-01-25 12:30 · 2025-01-25 12:31
Top ASN
AS15796 · Salt Mobile SA
Top organization / ISP
Top geo
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2

51.154.68.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
51.154.68.0
Broadcast
51.154.68.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.3934 , 8.5163
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-04-10 23:12 · 2025-04-10 23:12
Top ASN
AS15796 · Salt Mobile SA
Top organization / ISP
Top geo
Window / Updated
2025-04-07 → 2025-04-14 · Updated 2026-01-14 · v2

213.55.221.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
213.55.221.0
Broadcast
213.55.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
46.5294 , 6.6123
Hits / Errors
15 hits · 2 errors
First / Last seen
2024-09-08 08:28 · 2024-09-08 08:30
Top ASN
AS15796 · Salt Mobile SA
Top organization / ISP
Top geo
Window / Updated
2024-09-02 → 2024-09-09 · Updated 2026-01-14 · v2

213.55.184.0/24

Risk Max LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
213.55.184.0
Broadcast
213.55.184.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.3433 , 8.5394
Hits / Errors
14 hits · 1 errors
First / Last seen
2024-09-23 16:24 · 2024-09-23 16:29
Top ASN
AS15796 · Salt Mobile SA
Top organization / ISP
Top geo
Window / Updated
2024-09-23 → 2024-09-30 · Updated 2026-01-14 · v2

213.55.233.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
213.55.233.0
Broadcast
213.55.233.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
46.528600000000004 , 6.6703
Hits / Errors
12 hits · 1 errors
First / Last seen
2024-10-12 12:30 · 2024-10-12 12:32
Top ASN
AS15796 · Salt Mobile SA
Top organization / ISP
Top geo
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2

213.55.222.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
213.55.222.0
Broadcast
213.55.222.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
46.5294 , 6.612300000000001
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-09-15 19:57 · 2024-09-15 19:58
Top ASN
AS15796 · Salt Mobile SA
Top organization / ISP
Top geo
Window / Updated
2024-09-09 → 2024-09-16 · Updated 2026-01-14 · v2

213.55.241.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
213.55.241.0
Broadcast
213.55.241.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.4095 , 8.5514
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-02-02 16:00 · 2025-02-02 16:00
Top ASN
AS15796 · Salt Mobile SA
Top organization / ISP
Top geo
Window / Updated
2025-01-27 → 2025-02-03 · Updated 2026-01-14 · v2

51.154.140.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
51.154.140.0
Broadcast
51.154.140.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.3319 , 8.5116
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-09-21 20:21 · 2024-09-21 20:21
Top ASN
AS15796 · Salt Mobile SA
Top organization / ISP
Top geo
Window / Updated
2024-09-16 → 2024-09-23 · Updated 2026-01-14 · v2

213.55.243.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
213.55.243.0
Broadcast
213.55.243.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.4095 , 8.5514
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-06-05 11:58 · 2024-06-05 11:58
Top ASN
AS15796 · Salt Mobile SA
Top organization / ISP
Top geo
Window / Updated
2024-06-03 → 2024-06-10 · Updated 2026-01-14 · v2

51.154.254.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
51.154.254.0
Broadcast
51.154.254.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.3181 , 8.4662
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-02-10 09:35 · 2025-02-10 09:35
Top ASN
AS15796 · Salt Mobile SA
Top organization / ISP
Top geo
Window / Updated
2025-02-10 → 2025-02-17 · Updated 2026-01-14 · v2