AS209859 FESR-AS Florian Martin Esser

FESR-AS Florian Martin Esser · registered in Germany

IPv4 addresses7682 prefixes · <0.001% of announced IPv4

Rank in Germany#1,460largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#43,166of 79,396 networks with IPv4

IPv6180 x /486 prefixes

CountryGermany2,599 ASNs registered there

Open AS209859 in ASN lookup Look up an IP in this network (45.10.0.1) All networks in Germany

IPv4 prefixes

All 2 prefixes, in address order.

45.10.0.0/24
195.85.10.0/23

IPv6 prefixes

All 6 prefixes.

2001:67c:1768::/48
2a06:e881:5301::/48
2a06:e881:5302::/47
2a06:e881:5310::/44
2a06:e881:5380::/41
2a0e:b102:140::/43

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AS210544#1459 bdr Bundesdruckerei GmbH768

AS205848#1461 Server-Network-Pohl Dominik Pohl768

AS204527#1462 BJNIP bejuno GmbH768

AS219514#1463 CENNSO Cennso Technologies GmbH768

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources