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AS51521 Resident Control Telco s.r.o.

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

Resident Control Telco s.r.o. resident-control.cz

CZ 1 Routes

AS Data

AS51521

AS51521 – Resident Control Telco s.r.o.

AS Number	51521
AS Name	ASKMNET
Organization	Resident Control Telco s.r.o. (org-resi3-ripe)
Country	CZ
Website	resident-control.cz
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2010-09-16

ASN Intelligence API for production workflows

Use ASN data for AS51521 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
91.217.96.0/23	AS51521	Resident Control Telco s.r.o.	Resident Control Telco s.r.o.	512

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 'AS51357 - AS51817'

as-block:       AS51357 - AS51817
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:        2025-02-13T13:57:44Z
last-modified:  2025-02-13T13:57:44Z
source:         RIPE

% Information related to 'AS51521'

% Abuse contact for 'AS51521' is 'holub@resident-control.cz'

aut-num:        AS51521
as-name:        ASKMNET
org:            ORG-RESI3-RIPE
import:         from AS34093 action pref=120; accept ANY
import:         from AS196943 action pref=120; accept ANY
import:         from AS24641 action pref=120; accept ANY
export:         to AS34093 announce AS51521
export:         to AS196943 announce AS51521
export:         to AS24641 announce AS51521
sponsoring-org: ORG-Vs35-RIPE
admin-c:        SMUT1-RIPE
tech-c:         SMUT1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         RESIDENT-MNT
created:        2010-09-16T14:52:52Z
last-modified:  2023-07-25T09:27:57Z
source:         RIPE

organisation:   ORG-RESI3-RIPE
org-name:       Resident Control Telco s.r.o.
country:        CZ
org-type:       OTHER
address:        Jedovnicka 2347/6, Lisen, 628 00 Brno
abuse-c:        ACRO53492-RIPE
mnt-ref:        vissado-mnt
created:        2023-07-20T10:38:15Z
last-modified:  2023-07-25T09:27:57Z
source:         RIPE # Filtered
mnt-by:         vissado-mnt

person:         Tomas Smutny
address:        smutny@kmnet.cz
phone:          +420777311161
nic-hdl:        SMUT1-RIPE
created:        2010-08-31T16:39:04Z
last-modified:  2016-04-06T18:45:12Z
mnt-by:         RIPE-NCC-LOCKED-MNT
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" : "AS51357 - AS51817",
    "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" : "2025-02-13",
    "date_updated" : "2025-02-13",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS51521",
    "as_name" : "ASKMNET",
    "status" : "ASSIGNED",
    "import" : [ "from AS34093 action pref=120; accept ANY", "from AS196943 action pref=120; accept ANY", "from AS24641 action pref=120; accept ANY" ],
    "export" : [ "to AS34093 announce AS51521", "to AS196943 announce AS51521", "to AS24641 announce AS51521" ],
    "organization" : "ORG-RESI3-RIPE",
    "sponsoring_organization" : "ORG-Vs35-RIPE",
    "admin_contacts" : [ "SMUT1-RIPE" ],
    "tech_contacts" : [ "SMUT1-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "RESIDENT-MNT" ],
    "date_created" : "2010-09-16",
    "date_updated" : "2023-07-25",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-RESI3-RIPE",
    "name" : "Resident Control Telco s.r.o.",
    "type" : "OTHER",
    "address" : [ "Jedovnicka 2347/6, Lisen, 628 00 Brno" ],
    "street" : "Lisen",
    "city" : "Brno",
    "zip_code" : "628 00",
    "country" : [ "CZ" ],
    "abuse_contacts" : [ "ACRO53492-RIPE" ],
    "mnt_ref" : [ "vissado-mnt" ],
    "mnt_by" : [ "vissado-mnt" ],
    "date_created" : "2023-07-20",
    "date_updated" : "2023-07-25",
    "source" : "RIPE"
  },
  "administrative_contacts" : [ {
    "handle" : "SMUT1-RIPE",
    "name" : "Tomas Smutny",
    "address" : [ "smutny@kmnet.cz" ],
    "phone" : [ "+420777311161" ],
    "mnt_by" : [ "RIPE-NCC-LOCKED-MNT" ],
    "date_created" : "2010-08-31",
    "date_updated" : "2016-04-06",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "SMUT1-RIPE",
    "name" : "Tomas Smutny",
    "address" : [ "smutny@kmnet.cz" ],
    "phone" : [ "+420777311161" ],
    "mnt_by" : [ "RIPE-NCC-LOCKED-MNT" ],
    "date_created" : "2010-08-31",
    "date_updated" : "2016-04-06",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS196943	Vissado s.r.o.	CZ
AS34093	RIPE Network Coordination Centre	NL
AS24641	FASTER CZ spol. s r.o.	CZ
AS16019	Vodafone Czech Republic a.s.	CZ

Upstreams

AS Number	Description	Country
AS24641	FASTER CZ spol. s r.o.	CZ
AS16019	Vodafone Czech Republic a.s.	CZ

Frequently Asked Questions

What is ASN AS51521?

ASN AS51521 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS51521?

AS51521 is listed under Resident Control Telco s.r.o..

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.