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.
Search
Active filter:
Haarlem
·
Clear
Snapshot
2026-01-20
Results
49
Page
2
/
2
91.202.5.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
91.202.5.0
Broadcast
91.202.5.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.3803 , 4.6422
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-04-23 17:20 · 2025-04-23 17:20
Top ASN
AS43641 ·
SOLLUTIUM EU Sp z.o.o.
Top organization / ISP
— ·
SOLLUTIUM EU Sp z.o.o.
Top geo
The Netherlands
·
North Holland
·
Haarlem
Window / Updated
2025-04-21 → 2025-04-28 · Updated
2026-01-14
· v2
Open report →
95.211.120.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
95.211.120.0
Broadcast
95.211.120.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.3907 , 4.66555
Hits / Errors
1
hits ·
0
errors
First / Last seen
2024-09-29 14:58 · 2024-09-29 14:58
Top ASN
AS60781 ·
LeaseWeb Netherlands B.V.
Top organization / ISP
LeaseWeb Netherlands B.V.
·
LeaseWeb Netherlands B.V.
Top geo
The Netherlands
·
North Holland
·
Haarlem
Window / Updated
2024-09-23 → 2024-09-30 · Updated
2026-01-14
· v2
Open report →
51.15.66.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
51.15.66.0
Broadcast
51.15.66.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.3803 , 4.6422
Hits / Errors
1
hits ·
0
errors
First / Last seen
2024-06-08 02:31 · 2024-06-08 02:31
Top ASN
AS12876 ·
SCALEWAY S.A.S.
Top organization / ISP
— ·
SCALEWAY
Top geo
The Netherlands
·
North Holland
·
Haarlem
Window / Updated
2024-06-03 → 2024-06-10 · Updated
2026-01-14
· v2
Open report →
51.15.74.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
51.15.74.0
Broadcast
51.15.74.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.3803 , 4.6422
Hits / Errors
1
hits ·
0
errors
First / Last seen
2024-01-29 11:11 · 2024-01-29 11:11
Top ASN
AS12876 ·
SCALEWAY S.A.S.
Top organization / ISP
— ·
SCALEWAY
Top geo
The Netherlands
·
North Holland
·
Haarlem
Window / Updated
2024-01-29 → 2024-02-05 · Updated
2026-01-14
· v2
Open report →
51.158.232.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
51.158.232.0
Broadcast
51.158.232.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.3803 , 4.6422
Hits / Errors
1
hits ·
0
errors
First / Last seen
2023-12-08 16:33 · 2023-12-08 16:33
Top ASN
AS12876 ·
SCALEWAY S.A.S.
Top organization / ISP
Scaleway
·
Online S.A.S.
Top geo
The Netherlands
·
North Holland
·
Haarlem
Window / Updated
2023-12-04 → 2023-12-11 · Updated
2026-01-14
· v2
Open report →
51.15.62.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
51.15.62.0
Broadcast
51.15.62.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.3803 , 4.6422
Hits / Errors
1
hits ·
0
errors
First / Last seen
2023-10-24 09:41 · 2023-10-24 09:41
Top ASN
AS12876 ·
SCALEWAY S.A.S.
Top organization / ISP
SCALEWAY
·
Online SAS NL
Top geo
The Netherlands
·
North Holland
·
Haarlem
Window / Updated
2023-10-23 → 2023-10-30 · Updated
2026-01-14
· v2
Open report →
51.15.104.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
51.15.104.0
Broadcast
51.15.104.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.3803 , 4.6422
Hits / Errors
1
hits ·
1
errors
First / Last seen
2023-09-14 10:37 · 2023-09-14 10:37
Top ASN
AS12876 ·
SCALEWAY S.A.S.
Top organization / ISP
— ·
SCALEWAY
Top geo
The Netherlands
·
North Holland
·
Haarlem
Window / Updated
2023-09-11 → 2023-09-18 · Updated
2026-01-14
· v2
Open report →
172.225.252.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.225.252.0
Broadcast
172.225.252.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.3803 , 4.6422
Hits / Errors
1
hits ·
0
errors
First / Last seen
2023-07-26 12:40 · 2023-07-26 12:40
Top ASN
AS36183 ·
Akamai Technologies, Inc.
Top organization / ISP
iCloud Private Relay
·
Akamai Technologies, Inc.
Top geo
The Netherlands
·
North Holland
·
Haarlem
Window / Updated
2023-07-24 → 2023-07-31 · Updated
2026-01-14
· v2
Open report →
51.15.79.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
51.15.79.0
Broadcast
51.15.79.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
52.3803 , 4.6422
Hits / Errors
1
hits ·
1
errors
First / Last seen
2023-07-21 01:11 · 2023-07-21 01:11
Top ASN
AS12876 ·
SCALEWAY S.A.S.
Top organization / ISP
— ·
SCALEWAY
Top geo
The Netherlands
·
North Holland
·
Haarlem
Window / Updated
2023-07-17 → 2023-07-24 · Updated
2026-01-14
· v2
Open report →
« First
‹ Prev
Page
2
of
2
Next ›
Last »
×
This is a custom alert message.
×
Confirm Action
Are you sure you want to proceed?