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.

AS56353 First Line Software 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

First Line Software s.r.o. firstlinesoftware.com

CZ 1 Routes

AS Data

AS56353

AS56353 – First Line Software s.r.o.

AS Number	56353
AS Name	FIRSTLINE-AS
Organization	First Line Software s.r.o. (org-flss2-ripe)
Country	CZ
Website	firstlinesoftware.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2011-02-09

ASN Intelligence API for production workflows

Use ASN data for AS56353 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
91.225.128.0/22	AS56353	First Line Software s.r.o.	First Line Software s.r.o.	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 'AS56320 - AS56442'

as-block:       AS56320 - AS56442
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:        2023-01-23T16:09:02Z
last-modified:  2023-01-23T16:09:02Z
source:         RIPE

% Information related to 'AS56353'

% Abuse contact for 'AS56353' is 'itincident@firstlinesoftware.com'

aut-num:        AS56353
as-name:        FIRSTLINE-AS
org:            ORG-FLSS2-RIPE
import:         from AS16276 action pref=100; accept ANY
export:         to AS16276 announce AS56353
sponsoring-org: ORG-NGs2-RIPE
admin-c:        AY531-RIPE
tech-c:         AY531-RIPE
status:         ASSIGNED
descr:          -----BEGIN TOKEN-----804ab545259aae5a56a8cc021de2940aef2df55ff43c12372267b3ae91df74e1d6f221290400203fe98d8502d244872071237f2cf9cf9c7f9034d486c02a1cc0-----END TOKEN-----
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-FL
created:        2011-02-09T16:33:56Z
last-modified:  2023-06-01T13:08:42Z
source:         RIPE

organisation:   ORG-FLSS2-RIPE
org-name:       First Line Software s.r.o.
country:        CZ
org-type:       OTHER
address:        Na h?ebenech II 1718/8
address:        Prague, 140 00, Czech Republic
abuse-c:        FLS-RIPE
mnt-ref:        MNT-FL
mnt-by:         MNT-NETART
created:        2022-02-23T16:58:37Z
last-modified:  2022-12-01T16:26:09Z
source:         RIPE # Filtered

person:         Alexander Yakush
address:        Na Hrebenech II 1718/8
address:        Praha, Czech Republic
phone:          +420 721 537 689
nic-hdl:        AY531-RIPE
mnt-by:         MNT-FL
created:        2011-01-05T19:30:57Z
last-modified:  2022-04-25T12:13:01Z
source:         RIPE

% 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" : "AS56320 - AS56442",
    "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" : "2023-01-23",
    "date_updated" : "2023-01-23",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS56353",
    "as_name" : "FIRSTLINE-AS",
    "description" : [ "-----BEGIN TOKEN-----804ab545259aae5a56a8cc021de2940aef2df55ff43c12372267b3ae91df74e1d6f221290400203fe98d8502d244872071237f2cf9cf9c7f9034d486c02a1cc0-----END TOKEN-----" ],
    "status" : "ASSIGNED",
    "import" : [ "from AS16276 action pref=100; accept ANY" ],
    "export" : [ "to AS16276 announce AS56353" ],
    "organization" : "ORG-FLSS2-RIPE",
    "sponsoring_organization" : "ORG-NGs2-RIPE",
    "admin_contacts" : [ "AY531-RIPE" ],
    "tech_contacts" : [ "AY531-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "MNT-FL" ],
    "date_created" : "2011-02-09",
    "date_updated" : "2023-06-01",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-FLSS2-RIPE",
    "name" : "First Line Software s.r.o.",
    "type" : "OTHER",
    "address" : [ "Na h?ebenech II 1718/8", "Prague, 140 00, Czech Republic" ],
    "street" : "Na H?ebenech Ii",
    "city" : "Prague",
    "zip_code" : "140 00",
    "country" : [ "CZ" ],
    "abuse_contacts" : [ "FLS-RIPE" ],
    "mnt_ref" : [ "MNT-FL" ],
    "mnt_by" : [ "MNT-NETART" ],
    "date_created" : "2022-02-23",
    "date_updated" : "2022-12-01",
    "source" : "RIPE",
    "addressCountry" : "CZECH REPUBLIC"
  },
  "administrative_contacts" : [ {
    "handle" : "AY531-RIPE",
    "name" : "Alexander Yakush",
    "address" : [ "Na Hrebenech II 1718/8", "Praha, Czech Republic" ],
    "street" : "Na Hrebenech Ii",
    "city" : "Praha",
    "country" : "CZECH REPUBLIC",
    "phone" : [ "+420 721 537 689" ],
    "mnt_by" : [ "MNT-FL" ],
    "date_created" : "2011-01-05",
    "date_updated" : "2022-04-25",
    "source" : "RIPE",
    "addressCountry" : "CZECH REPUBLIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "AY531-RIPE",
    "name" : "Alexander Yakush",
    "address" : [ "Na Hrebenech II 1718/8", "Praha, Czech Republic" ],
    "street" : "Na Hrebenech Ii",
    "city" : "Praha",
    "country" : "CZECH REPUBLIC",
    "phone" : [ "+420 721 537 689" ],
    "mnt_by" : [ "MNT-FL" ],
    "date_created" : "2011-01-05",
    "date_updated" : "2022-04-25",
    "source" : "RIPE",
    "addressCountry" : "CZECH REPUBLIC"
  } ]
}

Peers

AS Number	Description	Country
AS16276	OVH SAS	FR

Upstreams

AS Number	Description	Country
AS16276	OVH SAS	FR

Frequently Asked Questions

What is ASN AS56353?

ASN AS56353 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS56353?

AS56353 is listed under First Line Software 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.