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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: Telefonica O2 Germany GmbH & Co. · Clear
Snapshot 2026-01-22 Results 7 Page 1 / 1

77.7.19.0/24

Risk Max — LOW Footprint 0.391% Hits 24
Prefix / IP version
/24 · IPv4
Network
77.7.19.0
Broadcast
77.7.19.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.1475 , 11.5865
Hits / Errors
24 hits · 2 errors
First / Last seen
2024-02-05 02:42 · 2024-02-05 02:42
Top ASN
AS6805 · Telefonica Germany GmbH & Co.OHG
Top organization / ISP
Telefonica O2 Germany GmbH & Co. · Telefonica Deutschland GmbH
Top geo
Germany · Bavaria · Munich
Window / Updated
2024-02-05 → 2024-02-12 · Updated 2026-01-14 · v2
Open report →

77.2.214.0/24

Risk Max — LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
77.2.214.0
Broadcast
77.2.214.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.1475 , 11.5865
Hits / Errors
21 hits · 0 errors
First / Last seen
2025-04-24 12:47 · 2025-04-24 14:02
Top ASN
AS6805 · Telefonica Germany GmbH & Co.OHG
Top organization / ISP
Telefonica O2 Germany GmbH & Co. · Telefonica Deutschland GmbH
Top geo
Germany · Bavaria · Munich
Window / Updated
2025-04-21 → 2025-04-28 · Updated 2026-01-14 · v2
Open report →

77.11.146.0/24

Risk Max — LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
77.11.146.0
Broadcast
77.11.146.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
52.48590000000001 , 13.4426
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-10-09 23:19 · 2024-10-09 23:32
Top ASN
AS6805 · Telefonica Germany GmbH & Co.OHG
Top organization / ISP
Telefonica O2 Germany GmbH & Co. · Telefonica Deutschland GmbH
Top geo
Germany · State of Berlin · Berlin
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2
Open report →

77.12.110.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
77.12.110.0
Broadcast
77.12.110.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.958 , 8.6483
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-22 22:08 · 2025-05-22 22:08
Top ASN
AS6805 · Telefonica Germany GmbH & Co.OHG
Top organization / ISP
Telefonica O2 Germany GmbH & Co. · Telefonica Deutschland GmbH
Top geo
Germany · Hesse · Erzhausen
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2
Open report →

77.8.146.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
77.8.146.0
Broadcast
77.8.146.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.5717 , 9.9545
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-22 21:56 · 2025-05-22 21:56
Top ASN
AS6805 · Telefonica Germany GmbH & Co.OHG
Top organization / ISP
Telefonica O2 Germany GmbH & Co. · Telefonica Deutschland GmbH
Top geo
Germany · Hamburg · Hamburg
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2
Open report →

77.7.6.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
77.7.6.0
Broadcast
77.7.6.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.1778 , 11.5198
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-01 23:31 · 2025-12-01 23:31
Top ASN
AS6805 · Telefonica Germany GmbH & Co.OHG
Top organization / ISP
Telefonica O2 Germany GmbH & Co. · Telefonica Deutschland GmbH
Top geo
Germany · Bavaria · Munich
Window / Updated
2025-12-01 → 2025-12-08 · Updated 2026-01-14 · v2
Open report →

77.2.35.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
77.2.35.0
Broadcast
77.2.35.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.1477 , 11.5695
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-06 18:05 · 2025-05-06 18:05
Top ASN
AS6805 · Telefonica Germany GmbH & Co.OHG
Top organization / ISP
Telefonica O2 Germany GmbH & Co. · Telefonica Deutschland GmbH
Top geo
Germany · Bavaria · Munich
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →