What is ASN AS209859?

ASN AS209859 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS209859?

AS209859 is listed under Florian Martin Esser.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS209859 Florian Martin Esser

Florian Martin Esser fesr.net

DE 10 Routes

AS Data

AS209859

AS209859 – Florian Martin Esser

AS Number	209859
AS Name	FESR-AS
Organization	Florian Martin Esser(org-fesr1-ripe)
Country	DE
Website	fesr.net
Number of IPv4 Routes	2
Number of IPv6 Routes	8
ASN type	INDIVIDUAL
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2018-11-20

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
195.85.10.0/23	AS209859	Florian Martin Esser	Florian Martin Esser	512
2001:67c:1768::/48	AS209859	Florian Martin Esser	Florian Martin Esser	~1×10²⁴
2a06:e881:5380::/41	AS209859	Florian Martin Esser	Florian Martin Esser	~155×10²⁴
45.10.0.0/24	AS209859	Florian Martin Esser	FESR Core Network Infrastructure and Services	256
2a06:e881:53c0::/42	AS209859	Florian Martin Esser	Florian Martin Esser	~77×10²⁴
2a06:e881:5310::/44	AS209859	Florian Martin Esser	Florian Martin Esser	~19×10²⁴
2a0e:b102:140::/43	AS209859	Florian Martin Esser	Florian Martin Esser	~39×10²⁴
2a06:e881:5302::/48	AS209859	Florian Martin Esser	Florian Martin Esser	~1×10²⁴
2a06:e881:5303::/48	AS209859	Florian Martin Esser	Florian Martin Esser	~1×10²⁴
2a06:e881:5301::/48	AS209859	Florian Martin Esser	Florian Martin Esser	~1×10²⁴

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS208189 - AS214345'

as-block:       AS208189 - AS214345
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2026-02-12T14:40:05Z
last-modified:  2026-02-12T14:40:05Z
source:         RIPE

% Information related to 'AS209859'

% Abuse contact for 'AS209859' is 'abuse@fesr.net'

aut-num:        AS209859
as-name:        FESR-AS
org:            ORG-FESR1-RIPE
remarks:        +=====================================================================
remarks:        | AS209859
remarks:        |
remarks:        | We have an open peering policy, just get in touch.
remarks:        |
remarks:        | peering (at) as209859.net
remarks:        | https://as209859.peeringdb.com
remarks:        +=====================================================================
remarks:        | Upstreams
remarks:        +=====================================================================
remarks:        # Hurricane Electric LLC
mp-import:      afi ipv6.unicast from AS6939 accept ANY
mp-export:      afi ipv6.unicast to AS6939 announce AS-FESR
remarks:
remarks:        # Choopa, LLC
mp-import:      afi any.unicast from AS20473 accept ANY
mp-export:      afi any.unicast to AS20473 announce AS-FESR
remarks:
remarks:        # First Root UG
mp-import:      afi any.unicast from AS41108 accept ANY
mp-export:      afi any.unicast to AS41108 announce AS-FESR
remarks:
remarks:        # Stefan Dunkel
mp-import:      afi any.unicast from AS48646 accept ANY
mp-export:      afi any.unicast to AS48646 announce AS-FESR
remarks:
remarks:        # freetransit.ch
mp-import:      afi any.unicast from AS41051 accept ANY
mp-export:      afi any.unicast to AS41051 announce AS-FESR
remarks:
remarks:        # Servperso Systems
mp-import:      afi any.unicast from AS34872 accept ANY
mp-export:      afi any.unicast to AS34872 announce AS-FESR
remarks:
remarks:        # Asympto Networks Kft.
mp-import:      afi any.unicast from AS39533 accept ANY
mp-export:      afi any.unicast to AS39533 announce AS-FESR
remarks:
remarks:        # Unesty
mp-import:      afi any.unicast from AS211301 accept ANY
mp-export:      afi any.unicast to AS211301 announce AS-FESR
remarks:        +=====================================================================
remarks:        | Peerings
remarks:        +=====================================================================
remarks:        # Hurricane Electric LLC
mp-import:      afi ipv4.unicast from AS6939 accept AS-HURRICANE
mp-export:      afi ipv4.unicast to AS6939 announce AS-FESR
remarks:
remarks:        # Cloudflare Inc.
mp-import:      afi any.unicast from AS13335 accept AS-CLOUDFLARE
mp-export:      afi any.unicast to AS13335 announce AS-FESR
remarks:        +=====================================================================
admin-c:        FESR-RIPE
tech-c:         FESR-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         FESR-MNT
created:        2018-11-20T09:13:23Z
last-modified:  2023-09-17T12:42:01Z
source:         RIPE
sponsoring-org: ORG-PMTA6-RIPE

organisation:   ORG-FESR1-RIPE
org-name:       Florian Martin Esser
country:        DE
org-type:       OTHER
address:        Otzenrather Weg 5a
address:        50767 K�ln
address:        GERMANY
phone:          +4922167059572
admin-c:        FESR-RIPE
tech-c:         FESR-RIPE
abuse-c:        FESR-RIPE
mnt-ref:        FLO-MNT
mnt-ref:        FESR-MNT
mnt-ref:        SSRM-NOC-MNT
mnt-ref:        PRAGER-MNT
mnt-ref:        SBMT
mnt-by:         FLO-MNT
created:        2018-11-10T09:47:25Z
last-modified:  2022-12-01T17:01:49Z
source:         RIPE # Filtered

role:           Florian Esser NOC
address:        Otzenrather Weg 5a
address:        50767 K�ln
address:        GERMANY
nic-hdl:        FESR-RIPE
admin-c:        FE2580-RIPE
tech-c:         FE2580-RIPE
abuse-mailbox:  abuse@fesr.net
mnt-by:         FLO-MNT
mnt-by:         FESR-MNT
created:        2018-11-09T23:45:23Z
last-modified:  2018-11-10T09:35:08Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (ABERDEEN)

Parsed Whois Response

Peers

AS Number	Description	Country
AS199471	Marcel Straub	DE
AS216096	Alex Terrats Ciberseguretat SLU	AD
AS62044	Zscaler Switzerland GmbH	CH
AS58057	Securebit AG	CH
AS35224	PLINQ BV	NL
AS41998	NetCom BW GmbH	DE
AS212123	Jori Vanneste	BE
AS24875	NovoServe B.V.	NL
AS15703	TrueFullstaq B.V.	NL
AS50072	Talpa TV B.V.	NL

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS212508	Lowhosting services of Davide Gennari	IT
AS209090	Association Stolon	FR
AS14840	BR.Digital Telecom	BR
AS41108	comtrance service GmbH	DE
AS29632	Netassist International EOOD	BG
AS39351	31173 Services AB	SE
AS263444	Open X Tecnologia Ltda	BR
AS49434	FBW NETWORKS SAS	FR
AS25091	IP Max SA	CH

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