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AS43723 Computernet Services Ltd.

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

Computernet Services Ltd. cns.bg

BG 1 Routes

AS Data

AS43723

AS43723 – Computernet Services Ltd.

AS Number	43723
AS Name	CNS
Organization	Computernet Services Ltd. (org-cs676-ripe)
Country	BG
Website	cns.bg
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2020-09-02

ASN Intelligence API for production workflows

Use ASN data for AS43723 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
82.119.77.0/24	AS43723	Computernet Services Ltd.	Computernet Services	256

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 'AS43723'

% Abuse contact for 'AS43723' is 'kvulev@cns.bg'

aut-num:        AS43723
as-name:        CNS
org:            ORG-CS676-RIPE
import:         from AS8262 accept ANY
export:         to AS8262 announce AS43723
import:         from AS8866 accept ANY
export:         to AS8866 announce AS43723
admin-c:        KV3360-RIPE
tech-c:         KV3360-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CNSBG-MNT
created:        2020-09-02T14:27:39Z
last-modified:  2020-11-16T18:00:45Z
source:         RIPE
sponsoring-org: ORG-NAL1-RIPE

organisation:   ORG-CS676-RIPE
org-name:       Computernet Services Ltd.
country:        BG
org-type:       OTHER
address:        Sofia, 4 ul Pimen Zografski
abuse-c:        ACRO35025-RIPE
mnt-ref:        CNSBG-MNT
mnt-by:         CNSBG-MNT
created:        2020-08-21T07:16:13Z
last-modified:  2022-12-01T17:09:44Z
source:         RIPE # Filtered

person:         Kiril Voulev
address:        4, ul. Sv Pimen Zografski, Sofia, Bulgaria
phone:          +359 87 8100298
nic-hdl:        KV3360-RIPE
mnt-by:         CNSBG-MNT
created:        2020-09-14T11:18:31Z
last-modified:  2020-09-14T11:18:31Z
source:         RIPE

% 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" : "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" : "AS43723",
    "as_name" : "CNS",
    "status" : "ASSIGNED",
    "import" : [ "from AS8262 accept ANY", "from AS8866 accept ANY" ],
    "export" : [ "to AS8262 announce AS43723", "to AS8866 announce AS43723" ],
    "organization" : "ORG-CS676-RIPE",
    "sponsoring_organization" : "ORG-NAL1-RIPE",
    "admin_contacts" : [ "KV3360-RIPE" ],
    "tech_contacts" : [ "KV3360-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "CNSBG-MNT" ],
    "date_created" : "2020-09-02",
    "date_updated" : "2020-11-16",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-CS676-RIPE",
    "name" : "Computernet Services Ltd.",
    "type" : "OTHER",
    "address" : [ "Sofia, 4 ul Pimen Zografski" ],
    "street" : "Ul Pimen Zografski",
    "country" : [ "BG" ],
    "abuse_contacts" : [ "ACRO35025-RIPE" ],
    "mnt_ref" : [ "CNSBG-MNT" ],
    "mnt_by" : [ "CNSBG-MNT" ],
    "date_created" : "2020-08-21",
    "date_updated" : "2022-12-01",
    "source" : "RIPE"
  },
  "administrative_contacts" : [ {
    "handle" : "KV3360-RIPE",
    "name" : "Kiril Voulev",
    "address" : [ "4, ul. Sv Pimen Zografski, Sofia, Bulgaria" ],
    "street" : "Ul. Sv Pimen Zografski",
    "city" : "Sofia",
    "country" : "BULGARIA",
    "phone" : [ "+359 87 8100298" ],
    "mnt_by" : [ "CNSBG-MNT" ],
    "date_created" : "2020-09-14",
    "date_updated" : "2020-09-14",
    "source" : "RIPE",
    "addressCountry" : "BULGARIA"
  } ],
  "technical_contacts" : [ {
    "handle" : "KV3360-RIPE",
    "name" : "Kiril Voulev",
    "address" : [ "4, ul. Sv Pimen Zografski, Sofia, Bulgaria" ],
    "street" : "Ul. Sv Pimen Zografski",
    "city" : "Sofia",
    "country" : "BULGARIA",
    "phone" : [ "+359 87 8100298" ],
    "mnt_by" : [ "CNSBG-MNT" ],
    "date_created" : "2020-09-14",
    "date_updated" : "2020-09-14",
    "source" : "RIPE",
    "addressCountry" : "BULGARIA"
  } ]
}

Peers

AS Number	Description	Country
AS8866	Vivacom Bulgaria EAD	BG
AS8262	Evolink EAD	BG

Upstreams

AS Number	Description	Country
AS8262	Evolink EAD	BG

Frequently Asked Questions

What is ASN AS43723?

ASN AS43723 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS43723?

AS43723 is listed under Computernet Services Ltd..

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.