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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.

49.51.183.0/24

Risk Max LOW Footprint 0.781% Hits 5
Prefix / IP version
/24 · IPv4
Network
49.51.183.0
Broadcast
49.51.183.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
37.352999999999994 , -121.9544
Hits / Errors
5 hits · 0 errors
First / Last seen
2025-12-17 02:30 · 2025-12-17 21:04
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

49.51.72.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
49.51.72.0
Broadcast
49.51.72.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-14 12:19 · 2025-12-14 23:12
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

49.51.230.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
49.51.230.0
Broadcast
49.51.230.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
4 hits · 2 errors
First / Last seen
2024-04-16 15:35 · 2024-04-18 03:16
Window / Updated
2024-04-15 → 2024-04-22 · Updated 2026-01-14 · v2

49.51.141.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
49.51.141.0
Broadcast
49.51.141.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1169 , 8.6837
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-12-17 02:43 · 2025-12-17 02:43
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

49.51.38.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
49.51.38.0
Broadcast
49.51.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
3 hits · 2 errors
First / Last seen
2025-09-20 17:12 · 2025-09-21 15:47
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

49.51.33.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
49.51.33.0
Broadcast
49.51.33.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 15:44 · 2025-12-17 21:23
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

49.51.233.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
49.51.233.0
Broadcast
49.51.233.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 11:43 · 2025-12-17 11:43
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

49.51.180.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
49.51.180.0
Broadcast
49.51.180.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-12-17 02:43 · 2025-12-17 02:43
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

49.51.166.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
49.51.166.0
Broadcast
49.51.166.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1169 , 8.6837
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-11-30 23:24 · 2025-11-30 23:24
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2

49.51.50.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
49.51.50.0
Broadcast
49.51.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-11-06 07:34 · 2025-11-06 07:34
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

49.51.52.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
49.51.52.0
Broadcast
49.51.52.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-10 22:25 · 2025-10-10 22:25
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

49.51.133.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
49.51.133.0
Broadcast
49.51.133.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1169 , 8.6837
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-13 01:20 · 2025-09-13 01:20
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

49.51.170.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
49.51.170.0
Broadcast
49.51.170.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1169 , 8.6837
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-06 07:18 · 2025-09-06 07:18
Window / Updated
2025-09-01 → 2025-09-08 · Updated 2026-01-14 · v2

49.51.134.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
49.51.134.0
Broadcast
49.51.134.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1169 , 8.6837
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-08-27 08:36 · 2025-08-27 08:36
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2

49.51.179.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
49.51.179.0
Broadcast
49.51.179.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-11-13 06:53 · 2024-11-13 06:53
Window / Updated
2024-11-11 → 2024-11-18 · Updated 2026-01-14 · v2

49.51.206.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
49.51.206.0
Broadcast
49.51.206.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-10-12 02:18 · 2024-10-12 02:18
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2

49.51.253.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.253.0
Broadcast
49.51.253.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 23:45 · 2025-12-17 23:45
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

49.51.243.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.243.0
Broadcast
49.51.243.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 20:15 · 2025-12-17 20:15
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

49.51.203.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.203.0
Broadcast
49.51.203.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 16:03 · 2025-12-17 16:03
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

49.51.252.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.252.0
Broadcast
49.51.252.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 14:39 · 2025-12-17 14:39
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

49.51.196.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.196.0
Broadcast
49.51.196.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 11:32 · 2025-12-17 11:32
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

49.51.36.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.36.0
Broadcast
49.51.36.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 06:54 · 2025-12-17 06:54
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

49.51.47.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.47.0
Broadcast
49.51.47.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 04:16 · 2025-12-17 04:16
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

49.51.39.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.39.0
Broadcast
49.51.39.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 04:09 · 2025-12-17 04:09
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

49.51.195.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.195.0
Broadcast
49.51.195.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 00:58 · 2025-12-17 00:58
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

49.51.245.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.245.0
Broadcast
49.51.245.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 07:05 · 2025-12-14 07:05
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

49.51.132.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.132.0
Broadcast
49.51.132.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1169 , 8.6837
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-14 06:49 · 2025-10-14 06:49
Window / Updated
2025-10-13 → 2025-10-20 · Updated 2026-01-14 · v2

49.51.73.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.73.0
Broadcast
49.51.73.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-02 06:29 · 2025-10-02 06:29
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

49.51.178.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.178.0
Broadcast
49.51.178.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-09-30 21:08 · 2025-09-30 21:08
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

49.51.204.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.204.0
Broadcast
49.51.204.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-24 09:55 · 2025-09-24 09:55
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2

49.51.172.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.172.0
Broadcast
49.51.172.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1169 , 8.6837
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-16 07:32 · 2025-09-16 07:32
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

49.51.136.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.136.0
Broadcast
49.51.136.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1169 , 8.6837
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-09-07 09:30 · 2025-09-07 09:30
Window / Updated
2025-09-01 → 2025-09-08 · Updated 2026-01-14 · v2

49.51.191.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.191.0
Broadcast
49.51.191.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-04-15 17:02 · 2025-04-15 17:02
Window / Updated
2025-04-14 → 2025-04-21 · Updated 2026-01-14 · v2

49.51.142.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.142.0
Broadcast
49.51.142.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1169 , 8.6837
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-06-07 02:11 · 2024-06-07 02:11
Window / Updated
2024-06-03 → 2024-06-10 · Updated 2026-01-14 · v2

49.51.161.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.161.0
Broadcast
49.51.161.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1169 , 8.6837
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-05-25 06:58 · 2024-05-25 06:58
Window / Updated
2024-05-20 → 2024-05-27 · Updated 2026-01-14 · v2

49.51.160.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.160.0
Broadcast
49.51.160.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1169 , 8.6837
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-02-01 23:47 · 2024-02-01 23:47
Window / Updated
2024-01-29 → 2024-02-05 · Updated 2026-01-14 · v2

49.51.247.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.247.0
Broadcast
49.51.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-01-15 17:05 · 2024-01-15 17:05
Window / Updated
2024-01-15 → 2024-01-22 · Updated 2026-01-14 · v2

49.51.199.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.199.0
Broadcast
49.51.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-11-20 02:42 · 2023-11-20 02:42
Window / Updated
2023-11-20 → 2023-11-27 · Updated 2026-01-14 · v2

49.51.75.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.51.75.0
Broadcast
49.51.75.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-08-29 08:33 · 2023-08-29 08:33
Window / Updated
2023-08-28 → 2023-09-04 · Updated 2026-01-14 · v2