ASN AS43557 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS43557?

AS43557 is listed under Sinal A/S.

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.

AS43557 Sinal A/S | IPGeolocation.io

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Sinal A/S norlys.dk

DK 0 Routes

AS Data

AS43557

AS43557 – Sinal A/S

AS Number	43557
AS Name	ASEMNET
Organization	Sinal A/S (org-ea200-ripe)
Country	DK
Website	norlys.dk
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2007-08-22

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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 'AS43075 - AS44168'

as-block:       AS43075 - AS44168
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:        2023-12-11T15:09:58Z
last-modified:  2023-12-11T15:09:58Z
source:         RIPE

% Information related to 'AS43557'

% Abuse contact for 'AS43557' is 'abuse@norlys.dk'

aut-num:        AS43557
as-name:        ASEMNET
org:            ORG-EA200-RIPE
import:         from AS42355 accept AS-BBN
import:         from AS57735 accept AS57735
import:         from AS39642 accept AS39642
import:         from AS43088 accept AS43088
import:         from AS62319 accept AS-ITRELATION
import:         from AS198531 accept AS-SET_SILKEBORG-KOMMUNE
import:         from AS42355 accept AS42355
import:         from AS206157 accept AS206157
import:         from AS42686 accept AS42686
import:         from AS49974 accept AS-BODATA
import:         from AS207603 accept AS207603
export:         to AS42355 announce AS43557
export:         to AS57735 announce AS43557
export:         to AS39642 announce AS43557
export:         to AS43088 announce any
export:         to AS62319 announce ANY
export:         to AS198531 announce AS43557
export:         to AS42355 announce ANY
export:         to AS206157 announce AS43557
export:         to AS42686 announce AS43557
export:         to AS49974 announce ANY
export:         to AS207603 announce ANY
mp-import:      afi ipv6.unicast from AS39642 accept AS39642
mp-import:      afi ipv6.unicast from AS43088 accept AS43088
mp-import:      afi ipv6.unicast from AS42355 accept AS42355
mp-import:      afi ipv6.unicast from AS62319 accept AS-ITRELATION
mp-import:      afi ipv6.unicast from AS198531 accept AS-SET_SILKEBORG-KOMMUNE
mp-import:      afi ipv6.unicast from AS206157 accept AS206157
mp-import:      afi ipv6.unicast from AS42686 accept AS42686
mp-export:      afi ipv6.unicast to AS39642 announce AS43557
mp-export:      afi ipv6.unicast to AS43088 announce any
mp-export:      afi ipv6.unicast to AS42355 announce any
mp-export:      afi ipv6.unicast to AS62319 announce any
mp-export:      afi ipv6.unicast to AS198531 announce AS43557
mp-export:      afi ipv6.unicast to AS206157 announce AS43557
mp-export:      afi ipv6.unicast to AS42686 announce AS43557
admin-c:        ECR4-RIPE
tech-c:         ECR4-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         EM-MNT
created:        2007-08-22T12:45:23Z
last-modified:  2024-07-15T13:09:46Z
source:         RIPE

organisation:   ORG-EA200-RIPE
org-name:       Sinal A/S
country:        DK
org-type:       LIR
address:        Tietgensvej 4
address:        8600
address:        Silkeborg
address:        DENMARK
phone:          +4570115000
fax-no:         +4587228711
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        EM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         EM-MNT
admin-c:        ARJ7-RIPE
admin-c:        JANC4-RIPE
abuse-c:        ECR4-RIPE
tech-c:         ECR4-RIPE
created:        2004-11-12T06:11:11Z
last-modified:  2025-07-15T11:23:58Z
source:         RIPE # Filtered

role:           Sinal contact
address:        Tietgensvej 4, 8600 Silkeborg, DK
admin-c:        ARJ7-RIPE
admin-c:        JANC4-RIPE
tech-c:         ARJ7-RIPE
tech-c:         JANC4-RIPE
abuse-mailbox:  abuse@norlys.dk
nic-hdl:        ECR4-RIPE
mnt-by:         EM-MNT
created:        2005-12-12T12:21:23Z
last-modified:  2025-07-16T07:59:23Z
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" : "AS43075 - AS44168",
    "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" : "2023-12-11",
    "date_updated" : "2023-12-11",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS43557",
    "as_name" : "ASEMNET",
    "status" : "ASSIGNED",
    "import" : [ "from AS42355 accept AS-BBN", "from AS57735 accept AS57735", "from AS39642 accept AS39642", "from AS43088 accept AS43088", "from AS62319 accept AS-ITRELATION", "from AS198531 accept AS-SET_SILKEBORG-KOMMUNE", "from AS42355 accept AS42355", "from AS206157 accept AS206157", "from AS42686 accept AS42686", "from AS49974 accept AS-BODATA", "from AS207603 accept AS207603" ],
    "mp_import" : [ "afi ipv6.unicast from AS39642 accept AS39642", "afi ipv6.unicast from AS43088 accept AS43088", "afi ipv6.unicast from AS42355 accept AS42355", "afi ipv6.unicast from AS62319 accept AS-ITRELATION", "afi ipv6.unicast from AS198531 accept AS-SET_SILKEBORG-KOMMUNE", "afi ipv6.unicast from AS206157 accept AS206157", "afi ipv6.unicast from AS42686 accept AS42686" ],
    "export" : [ "to AS42355 announce AS43557", "to AS57735 announce AS43557", "to AS39642 announce AS43557", "to AS43088 announce any", "to AS62319 announce ANY", "to AS198531 announce AS43557", "to AS42355 announce ANY", "to AS206157 announce AS43557", "to AS42686 announce AS43557", "to AS49974 announce ANY", "to AS207603 announce ANY" ],
    "mp_export" : [ "afi ipv6.unicast to AS39642 announce AS43557", "afi ipv6.unicast to AS43088 announce any", "afi ipv6.unicast to AS42355 announce any", "afi ipv6.unicast to AS62319 announce any", "afi ipv6.unicast to AS198531 announce AS43557", "afi ipv6.unicast to AS206157 announce AS43557", "afi ipv6.unicast to AS42686 announce AS43557" ],
    "organization" : "ORG-EA200-RIPE",
    "admin_contacts" : [ "ECR4-RIPE" ],
    "tech_contacts" : [ "ECR4-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "EM-MNT" ],
    "date_created" : "2007-08-22",
    "date_updated" : "2024-07-15",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-EA200-RIPE",
    "name" : "Sinal A/S",
    "type" : "LIR",
    "address" : [ "Tietgensvej 4", "8600", "Silkeborg", "DENMARK" ],
    "street" : "Tietgensvej",
    "city" : "Silkeborg",
    "zip_code" : "8600",
    "country" : [ "DK" ],
    "phone" : [ "+4570115000" ],
    "fax_no" : [ "+4587228711" ],
    "admin_contacts" : [ "ARJ7-RIPE", "JANC4-RIPE" ],
    "tech_contacts" : [ "ECR4-RIPE" ],
    "abuse_contacts" : [ "ECR4-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "EM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "EM-MNT" ],
    "date_created" : "2004-11-12",
    "date_updated" : "2025-07-15",
    "source" : "RIPE",
    "addressCountry" : "DENMARK"
  },
  "administrative_contacts" : [ {
    "handle" : "ECR4-RIPE",
    "name" : "Sinal contact",
    "address" : [ "Tietgensvej 4, 8600 Silkeborg, DK" ],
    "street" : "Tietgensvej",
    "city" : "Silkeborg",
    "zip_code" : "8600",
    "country" : "DK",
    "abuse_mailbox" : [ "abuse@norlys.dk" ],
    "admin_contacts" : [ "ARJ7-RIPE", "JANC4-RIPE" ],
    "tech_contacts" : [ "ARJ7-RIPE", "JANC4-RIPE" ],
    "mnt_by" : [ "EM-MNT" ],
    "date_created" : "2005-12-12",
    "date_updated" : "2025-07-16",
    "source" : "RIPE",
    "addressCountry" : "DK"
  } ],
  "technical_contacts" : [ {
    "handle" : "ECR4-RIPE",
    "name" : "Sinal contact",
    "address" : [ "Tietgensvej 4, 8600 Silkeborg, DK" ],
    "street" : "Tietgensvej",
    "city" : "Silkeborg",
    "zip_code" : "8600",
    "country" : "DK",
    "abuse_mailbox" : [ "abuse@norlys.dk" ],
    "admin_contacts" : [ "ARJ7-RIPE", "JANC4-RIPE" ],
    "tech_contacts" : [ "ARJ7-RIPE", "JANC4-RIPE" ],
    "mnt_by" : [ "EM-MNT" ],
    "date_created" : "2005-12-12",
    "date_updated" : "2025-07-16",
    "source" : "RIPE",
    "addressCountry" : "DK"
  } ]
}

Peers

AS Number	Description	Country
AS43088	Itm8 A/S	DK
AS49974	Bo data ApS	DK
AS206157	Complea A/S	DK
AS42686	Blue IT Aps	DK
AS42355	Sinal A/S	DK
AS198531	Silkeborg Kommune	DK
AS207603	CuroTec ApS	DK
AS62319	Itm8 A/S	DK
AS57735	Sinal A/S	DK
AS39642	Norlys Digital A/S	DK

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ASN Summary

AS43557 – Sinal A/S

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Raw Whois Response

Parsed Whois Response

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