What is ASN AS209040?

ASN AS209040 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS209040?

AS209040 is listed under SeWiKom 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.

AS209040 SeWiKom GmbH | IPGeolocation.io

ASN Lookup Tool

SeWiKom GmbH sewikom.de

DE 15 Routes

AS Data

AS209040

AS209040 – SeWiKom GmbH

AS Number	209040
AS Name	ASseWi
Organization	SeWiKom GmbH (org-sg107-ripe)
Country	DE
Website	sewikom.de
Number of IPv4 Routes	13
Number of IPv6 Routes	2
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2019-04-18

ASN Intelligence API for production workflows

Use ASN data for AS209040 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
216.31.80.0/20	AS209040	SeWiKom GmbH	SeWiKom GmbH	4096
216.31.76.0/23	AS209040	SeWiKom GmbH	SeWiKom GmbH	512
5.159.84.0/22	AS209040	SeWiKom GmbH	SeWiKom GmbH	1024
216.31.78.0/23	AS209040	SeWiKom GmbH	SeWiKom GmbH	512
5.159.80.0/22	AS209040	SeWiKom GmbH	SeWiKom GmbH	1024
178.19.80.0/20	AS209040	SeWiKom GmbH	SeWiKom GmbH	4096
216.31.68.0/22	AS209040	SeWiKom GmbH	SeWiKom GmbH	1024
2a00:f420:8080::/42	AS209040	SeWiKom GmbH	SeWiKom GmbH	~77×10²⁴
216.31.96.0/19	AS209040	SeWiKom GmbH	SeWiKom GmbH	8192
185.54.116.0/22	AS209040	SeWiKom GmbH	SeWiKom GmbH	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 'AS209040'

% Abuse contact for 'AS209040' is 'abuse@sewikom.de'

aut-num:        AS209040
as-name:        ASseWi
org:            ORG-SG107-RIPE
remarks:        --------------------------------------------------------
remarks:        # Transit - Core-Backbone
import:         from AS33891 accept ANY
export:         to AS33891 announce AS209040:as-sewikom
mp-import:      afi ipv6.unicast from AS33891 action pref=100; accept ANY
mp-export:      afi ipv6.unicast to AS33891 announce AS209040:as-sewikom
remarks:        --------------------------------------------------------
admin-c:        SWK-RIPE
tech-c:         SWK-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SEWIKOM-MNT
created:        2019-04-18T13:40:13Z
last-modified:  2025-09-22T07:59:59Z
source:         RIPE

organisation:   ORG-SG107-RIPE
org-name:       SeWiKom GmbH
country:        DE
org-type:       LIR
address:        Unter der Schirmeke 3
address:        37688
address:        Beverungen
address:        GERMANY
phone:          +49 5273 3676 0
fax-no:         +49 5273 3676 330
admin-c:        SWK-RIPE
abuse-c:        AH9171-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        SEWIKOM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         SEWIKOM-MNT
created:        2013-04-16T10:09:50Z
last-modified:  2025-09-16T13:28:09Z
source:         RIPE # Filtered

role:           Operations
tech-c:         JR10928-RIPE
tech-c:         PH1679
tech-c:         MS58678-RIPE
admin-c:        JR10928-RIPE
admin-c:        PH1679
admin-c:        MS58678-RIPE
address:        sewikom GmbH
address:        Unter der Schirmeke 3
address:        37688 Beverungen
address:        Germany
nic-hdl:        SWK-RIPE
mnt-by:         SEWIKOM-MNT
created:        2025-09-16T13:15:54Z
last-modified:  2025-09-16T13:15:54Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS208189 - AS214345",
    "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" : "2026-02-12",
    "date_updated" : "2026-02-12",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS209040",
    "as_name" : "ASseWi",
    "status" : "ASSIGNED",
    "import" : [ "from AS33891 accept ANY" ],
    "mp_import" : [ "afi ipv6.unicast from AS33891 action pref=100; accept ANY" ],
    "export" : [ "to AS33891 announce AS209040:as-sewikom" ],
    "mp_export" : [ "afi ipv6.unicast to AS33891 announce AS209040:as-sewikom" ],
    "organization" : "ORG-SG107-RIPE",
    "admin_contacts" : [ "SWK-RIPE" ],
    "tech_contacts" : [ "SWK-RIPE" ],
    "remarks" : [ "--------------------------------------------------------", "# Transit - Core-Backbone", "--------------------------------------------------------" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "SEWIKOM-MNT" ],
    "date_created" : "2019-04-18",
    "date_updated" : "2025-09-22",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-SG107-RIPE",
    "name" : "SeWiKom GmbH",
    "type" : "LIR",
    "address" : [ "Unter der Schirmeke 3", "37688", "Beverungen", "GERMANY" ],
    "street" : "Unter Der Schirmeke",
    "city" : "Beverungen",
    "zip_code" : "37688",
    "country" : [ "DE" ],
    "phone" : [ "+49 5273 3676 0" ],
    "fax_no" : [ "+49 5273 3676 330" ],
    "admin_contacts" : [ "SWK-RIPE" ],
    "abuse_contacts" : [ "AH9171-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "SEWIKOM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "SEWIKOM-MNT" ],
    "date_created" : "2013-04-16",
    "date_updated" : "2025-09-16",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  },
  "administrative_contacts" : [ {
    "handle" : "SWK-RIPE",
    "name" : "Operations",
    "address" : [ "sewikom GmbH", "Unter der Schirmeke 3", "37688 Beverungen", "Germany" ],
    "street" : "Unter Der Schirmeke",
    "city" : "Beverungen",
    "zip_code" : "37688",
    "country" : "GERMANY",
    "admin_contacts" : [ "JR10928-RIPE", "PH1679", "MS58678-RIPE" ],
    "tech_contacts" : [ "JR10928-RIPE", "PH1679", "MS58678-RIPE" ],
    "mnt_by" : [ "SEWIKOM-MNT" ],
    "date_created" : "2025-09-16",
    "date_updated" : "2025-09-16",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ],
  "technical_contacts" : [ {
    "handle" : "SWK-RIPE",
    "name" : "Operations",
    "address" : [ "sewikom GmbH", "Unter der Schirmeke 3", "37688 Beverungen", "Germany" ],
    "street" : "Unter Der Schirmeke",
    "city" : "Beverungen",
    "zip_code" : "37688",
    "country" : "GERMANY",
    "admin_contacts" : [ "JR10928-RIPE", "PH1679", "MS58678-RIPE" ],
    "tech_contacts" : [ "JR10928-RIPE", "PH1679", "MS58678-RIPE" ],
    "mnt_by" : [ "SEWIKOM-MNT" ],
    "date_created" : "2025-09-16",
    "date_updated" : "2025-09-16",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ]
}

Peers

AS Number	Description	Country
AS33891	Core-Backbone GmbH	DE
AS33891	Core Backbone GmbH	DE

Upstreams

AS Number	Description	Country
AS33891	Core Backbone GmbH	DE