What is ASN AS205100?

ASN AS205100 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS205100?

AS205100 is listed under F3 Netze e.V..

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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS205100 F3 Netze e.V. | IPGeolocation.io

ASN Lookup Tool

F3 Netze e.V. f3netze.de

DE 7 Routes

AS Data

AS205100

AS205100 – F3 Netze e.V.

AS Number	205100
AS Name	F3NETZE
Organization	F3 Netze e.V.(org-fne6-ripe)
Country	DE
Website	f3netze.de
Number of IPv4 Routes	1
Number of IPv6 Routes	6
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2017-11-08

ASN Intelligence API for production workflows

Use ASN data for AS205100 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2a0b:f4c0::/40	AS205100	F3 Netze e.V.	F3 Netze e.V.	~309×10²⁴
2a0b:f4c0:400::/48	AS205100	F3 Netze e.V.	F3 Netze e.V.	~1×10²⁴
2a0b:f4c0:100::/48	AS205100	F3 Netze e.V.	F3 Netze e.V.	~1×10²⁴
185.220.100.0/24	AS205100	F3 Netze e.V.	F3 Netze e.V.	256
2a0b:f4c0:1a4::/48	AS205100	F3 Netze e.V.	F3 Netze e.V.	~1×10²⁴
2a0b:f4c0:16c::/48	AS205100	F3 Netze e.V.	F3 Netze e.V.	~1×10²⁴
2a0b:f4c0:1b4::/48	AS205100	F3 Netze e.V.	F3 Netze e.V.	~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 'AS203940 - AS205662'

as-block:       AS203940 - AS205662
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:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE

% Information related to 'AS205100'

% Abuse contact for 'AS205100' is 'abuse@f3netze.de'

aut-num:        AS205100
as-name:        F3NETZE
org:            ORG-FNE6-RIPE
import:         from AS205165 accept ANY
export:         to AS205165 announce AS205100
import:         from AS6939 accept ANY
export:         to AS6939 announce AS205100
import:         from AS64475 accept ANY
export:         to AS64475 announce AS205100
import:         from AS202265 accept ANY
export:         to AS202265 announce AS205100
admin-c:        FN2977-RIPE
tech-c:         FN2977-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         F3NETZE
created:        2017-11-08T14:08:49Z
last-modified:  2024-02-14T10:48:35Z
source:         RIPE
sponsoring-org: ORG-SEF5-RIPE

organisation:   ORG-FNE6-RIPE
org-name:       F3 Netze e.V.
country:        DE
org-type:       OTHER
address:        Am Hafen 6
address:        97437 Hassfurt
address:        DE
abuse-c:        AA32807-RIPE
mnt-ref:        F3NETZE
mnt-ref:        ZWIEBELFREUNDE
mnt-by:         F3NETZE
created:        2017-11-06T17:07:57Z
last-modified:  2022-12-01T17:12:28Z
source:         RIPE # Filtered

role:           F3Netze NOC
address:        F3 Netze e.V.
address:        Am Hafen 6
address:        97437 Hassfurt
address:        Germany
admin-c:        TN3638-RIPE
admin-c:        CR8822-RIPE
admin-c:        FB15623-RIPE
admin-c:        TK7920-RIPE
tech-c:         TN3638-RIPE
tech-c:         CR8822-RIPE
tech-c:         FB15623-RIPE
tech-c:         TK7920-RIPE
nic-hdl:        FN2977-RIPE
mnt-by:         F3NETZE
created:        2018-03-26T10:57:36Z
last-modified:  2019-10-04T14:16:13Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS203940 - AS205662",
    "description" : [ "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" ],
    "date_created" : "2026-03-05",
    "date_updated" : "2026-03-05",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS205100",
    "as_name" : "F3NETZE",
    "status" : "ASSIGNED",
    "import" : [ "from AS205165 accept ANY", "from AS6939 accept ANY", "from AS64475 accept ANY", "from AS202265 accept ANY" ],
    "export" : [ "to AS205165 announce AS205100", "to AS6939 announce AS205100", "to AS64475 announce AS205100", "to AS202265 announce AS205100" ],
    "organization" : "ORG-FNE6-RIPE",
    "sponsoring_organization" : "ORG-SEF5-RIPE",
    "admin_contacts" : [ "FN2977-RIPE" ],
    "tech_contacts" : [ "FN2977-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "F3NETZE" ],
    "date_created" : "2017-11-08",
    "date_updated" : "2024-02-14",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-FNE6-RIPE",
    "name" : "F3 Netze e.V.",
    "type" : "OTHER",
    "address" : [ "Am Hafen 6", "97437 Hassfurt", "DE" ],
    "street" : "Am Hafen",
    "city" : "Hassfurt",
    "zip_code" : "97437",
    "country" : [ "DE" ],
    "abuse_contacts" : [ "AA32807-RIPE" ],
    "mnt_ref" : [ "F3NETZE", "ZWIEBELFREUNDE" ],
    "mnt_by" : [ "F3NETZE" ],
    "date_created" : "2017-11-06",
    "date_updated" : "2022-12-01",
    "source" : "RIPE",
    "addressCountry" : "DE"
  },
  "administrative_contacts" : [ {
    "handle" : "FN2977-RIPE",
    "name" : "F3Netze NOC",
    "address" : [ "F3 Netze e.V.", "Am Hafen 6", "97437 Hassfurt", "Germany" ],
    "street" : "Am Hafen",
    "city" : "Hassfurt",
    "zip_code" : "97437",
    "country" : "GERMANY",
    "admin_contacts" : [ "TN3638-RIPE", "CR8822-RIPE", "FB15623-RIPE", "TK7920-RIPE" ],
    "tech_contacts" : [ "TN3638-RIPE", "CR8822-RIPE", "FB15623-RIPE", "TK7920-RIPE" ],
    "mnt_by" : [ "F3NETZE" ],
    "date_created" : "2018-03-26",
    "date_updated" : "2019-10-04",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ],
  "technical_contacts" : [ {
    "handle" : "FN2977-RIPE",
    "name" : "F3Netze NOC",
    "address" : [ "F3 Netze e.V.", "Am Hafen 6", "97437 Hassfurt", "Germany" ],
    "street" : "Am Hafen",
    "city" : "Hassfurt",
    "zip_code" : "97437",
    "country" : "GERMANY",
    "admin_contacts" : [ "TN3638-RIPE", "CR8822-RIPE", "FB15623-RIPE", "TK7920-RIPE" ],
    "tech_contacts" : [ "TN3638-RIPE", "CR8822-RIPE", "FB15623-RIPE", "TK7920-RIPE" ],
    "mnt_by" : [ "F3NETZE" ],
    "date_created" : "2018-03-26",
    "date_updated" : "2019-10-04",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ]
}

Peers

AS Number	Description	Country
AS202265	InterWebs Ltd.	BG
AS12337	noris network AG	DE
AS205165	Christian Dresel	DE
AS47147	Anexia Cloud Solutions GmbH	AT
AS64475	Freifunk Frankfurt am Main e.V.	DE
AS41047	Bart Vrancken	NL
AS6939	Hurricane Electric LLC	US
AS47147	ANEXIA Internetdienstleistungs GmbH	AT
AS47526	handily networks GmbH	DE

Upstreams

AS Number	Description	Country
AS12337	noris network AG	DE
AS41047	Bart Vrancken	NL
AS47147	ANEXIA Internetdienstleistungs GmbH	AT
AS47526	handily networks GmbH	DE