ASN AS41981 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS41981?

AS41981 is listed under Flying Circus Internet Operations GmbH.

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.

AS41981 Flying Circus Internet Operations GmbH

ASN Lookup Tool

Flying Circus Internet Operations GmbH flyingcircus.io

DE 9 Routes

AS Data

AS41981

AS41981 – Flying Circus Internet Operations GmbH

AS Number	41981
AS Name	FCIO
Organization	Flying Circus Internet Operations GmbH (org-fcio1-ripe)
Country	DE
Website	flyingcircus.io
Number of IPv4 Routes	4
Number of IPv6 Routes	5
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2018-05-24

ASN Intelligence API for production workflows

Use ASN data for AS41981 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
185.105.254.0/24	AS41981	Flying Circus Internet Operations GmbH	Flying Circus Internet Operations GmbH	256
185.105.255.0/24	AS41981	Flying Circus Internet Operations GmbH	Flying Circus Internet Operations GmbH	256
2a06:3a80:200::/40	AS41981	Flying Circus Internet Operations GmbH	Flying Circus Internet Operations GmbH	~309×10²⁴
2a06:3a80::/40	AS41981	Flying Circus Internet Operations GmbH	Flying Circus Internet Operations GmbH	~309×10²⁴
185.105.253.0/24	AS41981	Flying Circus Internet Operations GmbH	Flying Circus Internet Operations GmbH	256
185.105.252.0/24	AS41981	Flying Circus Internet Operations GmbH	Flying Circus Internet Operations GmbH	256
2a06:3a80:600::/40	AS41981	Flying Circus Internet Operations GmbH	Flying Circus Internet Operations GmbH	~309×10²⁴
2a06:3a80:400::/40	AS41981	Flying Circus Internet Operations GmbH	Flying Circus Internet Operations GmbH	~309×10²⁴
2a06:3a80:300::/40	AS41981	Flying Circus Internet Operations GmbH	Flying Circus Internet Operations GmbH	~309×10²⁴

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 'AS40960 - AS42171'

as-block:       AS40960 - AS42171
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:        2024-07-22T14:14:32Z
last-modified:  2024-07-22T14:14:32Z
source:         RIPE

% Information related to 'AS41981'

% Abuse contact for 'AS41981' is 'support@flyingcircus.io'

aut-num:        AS41981
as-name:        FCIO
org:            ORG-FCIO1-RIPE
admin-c:        FCIO-RIPE
tech-c:         FCIO-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         de-fcio-1-mnt
created:        2018-05-24T08:40:10Z
last-modified:  2024-01-10T14:25:01Z
source:         RIPE

organisation:   ORG-FCIO1-RIPE
org-name:       Flying Circus Internet Operations GmbH
country:        DE
org-type:       LIR
address:        Leipziger Str. 70-71
address:        06108
address:        Halle (Saale)
address:        GERMANY
phone:          +49-345-219401-0
admin-c:        CT5862-RIPE
admin-c:        CZ1937-RIPE
tech-c:         FCIO-RIPE
abuse-c:        AR32602-RIPE
mnt-ref:        de-fcio-1-mnt
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         de-fcio-1-mnt
created:        2015-06-23T07:43:59Z
last-modified:  2020-12-16T13:19:29Z
source:         RIPE # Filtered
fax-no:         +49-345-219401-28

role:           FCIO NOC
address:        Flying Circus Internet Operations GmbH
address:        Leipziger Str. 70/71
address:        06108 Halle (Saale)
address:        GERMANY
abuse-mailbox:  abuse@flyingcircus.io
phone:          +49 345 219401-0
nic-hdl:        FCIO-RIPE
admin-c:        CT5862-RIPE
admin-c:        CZ1937-RIPE
tech-c:         CT5862-RIPE
tech-c:         MM58819-RIPE
mnt-by:         de-fcio-1-mnt
created:        2016-02-12T15:36:03Z
last-modified:  2023-12-11T16:53:12Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS40960 - AS42171",
    "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" : "2024-07-22",
    "date_updated" : "2024-07-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS41981",
    "as_name" : "FCIO",
    "status" : "ASSIGNED",
    "organization" : "ORG-FCIO1-RIPE",
    "admin_contacts" : [ "FCIO-RIPE" ],
    "tech_contacts" : [ "FCIO-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "de-fcio-1-mnt" ],
    "date_created" : "2018-05-24",
    "date_updated" : "2024-01-10",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-FCIO1-RIPE",
    "name" : "Flying Circus Internet Operations GmbH",
    "type" : "LIR",
    "address" : [ "Leipziger Str. 70-71", "06108", "Halle (Saale)", "GERMANY" ],
    "street" : "Leipziger Str.",
    "city" : "Halle Saale",
    "zip_code" : "06108",
    "country" : [ "DE" ],
    "phone" : [ "+49-345-219401-0" ],
    "fax_no" : [ "+49-345-219401-28" ],
    "admin_contacts" : [ "CT5862-RIPE", "CZ1937-RIPE" ],
    "tech_contacts" : [ "FCIO-RIPE" ],
    "abuse_contacts" : [ "AR32602-RIPE" ],
    "mnt_ref" : [ "de-fcio-1-mnt", "RIPE-NCC-HM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "de-fcio-1-mnt" ],
    "date_created" : "2015-06-23",
    "date_updated" : "2020-12-16",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  },
  "administrative_contacts" : [ {
    "handle" : "FCIO-RIPE",
    "name" : "FCIO NOC",
    "address" : [ "Flying Circus Internet Operations GmbH", "Leipziger Str. 70/71", "06108 Halle (Saale)", "GERMANY" ],
    "street" : "Leipziger Str.",
    "city" : "Halle Saale",
    "zip_code" : "06108",
    "country" : "GERMANY",
    "abuse_mailbox" : [ "abuse@flyingcircus.io" ],
    "phone" : [ "+49 345 219401-0" ],
    "admin_contacts" : [ "CT5862-RIPE", "CZ1937-RIPE" ],
    "tech_contacts" : [ "CT5862-RIPE", "MM58819-RIPE" ],
    "mnt_by" : [ "de-fcio-1-mnt" ],
    "date_created" : "2016-02-12",
    "date_updated" : "2023-12-11",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ],
  "technical_contacts" : [ {
    "handle" : "FCIO-RIPE",
    "name" : "FCIO NOC",
    "address" : [ "Flying Circus Internet Operations GmbH", "Leipziger Str. 70/71", "06108 Halle (Saale)", "GERMANY" ],
    "street" : "Leipziger Str.",
    "city" : "Halle Saale",
    "zip_code" : "06108",
    "country" : "GERMANY",
    "abuse_mailbox" : [ "abuse@flyingcircus.io" ],
    "phone" : [ "+49 345 219401-0" ],
    "admin_contacts" : [ "CT5862-RIPE", "CZ1937-RIPE" ],
    "tech_contacts" : [ "CT5862-RIPE", "MM58819-RIPE" ],
    "mnt_by" : [ "de-fcio-1-mnt" ],
    "date_created" : "2016-02-12",
    "date_updated" : "2023-12-11",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ]
}

Peers

AS Number	Description	Country
AS5405	Inter.link GmbH	DE
AS8648	dogado GmbH	DE

Upstreams

AS Number	Description	Country
AS5405	Inter.link GmbH	DE
AS8648	dogado GmbH	DE