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:
Mass Response Service GmbH
·
Clear
Snapshot
2026-03-07
Results
11
Page
1
/
1
41.66.98.0/24
Risk Max
—
LOW
Footprint
1.953
%
Hits
5
Prefix / IP version
/24 · IPv4
Network
41.66.98.0
Broadcast
41.66.98.255
Observed IPs / Subnet size
5
observed ·
256
total
Centroid
47.65752 , 15.37436
Hits / Errors
5
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS51265 ·
Mass Response Service GmbH
Top organization / ISP
Mass Response Service GmbH
·
Mass Response Service GmbH
Top geo
Austria
·
Vienna
·
Vienna
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
41.66.123.0/24
Risk Max
—
LOW
Footprint
1.562
%
Hits
9
Prefix / IP version
/24 · IPv4
Network
41.66.123.0
Broadcast
41.66.123.255
Observed IPs / Subnet size
4
observed ·
256
total
Centroid
48.181777777777775 , 16.393166666666666
Hits / Errors
9
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS51265 ·
Mass Response Service GmbH
Top organization / ISP
Mass Response Service GmbH
·
Mass Response Service GmbH
Top geo
Austria
·
Vienna
·
Vienna
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
41.66.99.0/24
Risk Max
—
LOW
Footprint
1.562
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
41.66.99.0
Broadcast
41.66.99.255
Observed IPs / Subnet size
4
observed ·
256
total
Centroid
47.904375 , 14.6612
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS51265 ·
Mass Response Service GmbH
Top organization / ISP
Mass Response Service GmbH
·
Mass Response Service GmbH
Top geo
Austria
·
Lower Austria
·
Flachau
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
41.66.97.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
5
Prefix / IP version
/24 · IPv4
Network
41.66.97.0
Broadcast
41.66.97.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
47.59502 , 15.22108
Hits / Errors
5
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 02:00
Top ASN
AS51265 ·
Mass Response Service GmbH
Top organization / ISP
Mass Response Service GmbH
·
Mass Response Service GmbH
Top geo
Austria
·
Styria
·
Zeltweg
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
41.66.122.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
7
Prefix / IP version
/24 · IPv4
Network
41.66.122.0
Broadcast
41.66.122.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
48.2169 , 16.4997
Hits / Errors
7
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 02:00
Top ASN
AS51265 ·
Mass Response Service GmbH
Top organization / ISP
Mass Response Service GmbH
·
Mass Response Service GmbH
Top geo
Austria
·
Vienna
·
Vienna
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
41.66.96.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
41.66.96.0
Broadcast
41.66.96.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
48.09036666666666 , 16.5271
Hits / Errors
3
hits ·
1
errors
First / Last seen
2026-02-23 02:00 · 2026-02-25 02:00
Top ASN
AS51265 ·
Mass Response Service GmbH
Top organization / ISP
Mass Response Service GmbH
·
Mass Response Service GmbH
Top geo
Austria
·
Vienna
·
Vienna
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
41.66.119.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
41.66.119.0
Broadcast
41.66.119.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.2372 , 16.3771
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS51265 ·
Mass Response Service GmbH
Top organization / ISP
Mass Response Service GmbH
·
Mass Response Service GmbH
Top geo
Austria
·
Vienna
·
Vienna
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
41.66.127.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
41.66.127.0
Broadcast
41.66.127.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.2169 , 16.4997
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS51265 ·
Mass Response Service GmbH
Top organization / ISP
Mass Response Service GmbH
·
Mass Response Service GmbH
Top geo
Austria
·
Vienna
·
Vienna
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
62.240.152.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
62.240.152.0
Broadcast
62.240.152.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.1712 , 16.321
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS51265 ·
Mass Response Service GmbH
Top organization / ISP
Mass Response Service GmbH
·
Mass Response Service GmbH
Top geo
Austria
·
Vienna
·
Vienna
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
41.66.124.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
41.66.124.0
Broadcast
41.66.124.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.5303 , 15.9269
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51265 ·
Mass Response Service GmbH
Top organization / ISP
Mass Response Service GmbH
·
Mass Response Service GmbH
Top geo
Austria
·
Lower Austria
·
Ziersdorf
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
62.240.159.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
62.240.159.0
Broadcast
62.240.159.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
48.1712 , 16.321
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51265 ·
Mass Response Service GmbH
Top organization / ISP
Mass Response Service GmbH
·
Mass Response Service GmbH
Top geo
Austria
·
Vienna
·
Vienna
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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