What is ASN AS209552?

ASN AS209552 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS209552?

AS209552 is listed under Jan Siroky.

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.

AS209552 Jan Siroky | IPGeolocation.io

Jan Siroky mail.be

BE 7 Routes

AS Data

AS209552

AS209552 – Jan Siroky

AS Number	209552
AS Name	Jan
Organization	Jan Siroky (org-ni138-ripe)
Country	BE
Website	mail.be
Number of IPv4 Routes	0
Number of IPv6 Routes	7
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2025-06-20

ASN Intelligence API for production workflows

Use ASN data for AS209552 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
2a06:de01:c2::/48	AS209552	Jan Siroky		~1×10²⁴
2a06:de01:c0::/44	AS209552	Jan Siroky	Jan Siroky	~19×10²⁴
2a0b:4e07:2d::/48	AS209552	Jan Siroky	Jan Siroky	~1×10²⁴
2a06:de01:c1::/48	AS209552	Jan Siroky		~1×10²⁴
2a0f:85c1:51::/48	AS209552	Jan Siroky	Inferno Communications Ltd	~1×10²⁴
2a13:9500:48::/48	AS209552	Jan Siroky	Jan Siroky	~1×10²⁴
2602:f9ba:b3::/48	AS209552	Jan Siroky	Tritan Internet LLC Jan Siroky	~1×10²⁴

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 'AS209552'

% Abuse contact for 'AS209552' is 'jan_siroky@mail.be'

aut-num:        AS209552
as-name:        Jan
org:            ORG-NI138-RIPE
sponsoring-org: ORG-AHS27-RIPE
descr:          --------------------------------------------------------------
descr:          --------------------------------------------------------------
remarks:        ----------[ Tritan.gg ]----------
import:         from AS393577 accept ANY
export:         to AS393577 announce AS209552:AS-SIROKY
mp-import:      afi ipv6.unicast from AS393577 accept ANY
mp-export:      afi ipv6.unicast to AS393577 announce AS209552:AS-SIROKY
mp-import:      afi ipv6.unicast from AS393577 action pref=100; accept ANY
mp-export:      afi ipv6.unicast to AS393577 announce AS209552:AS-SIROKY
remarks:        ----------[ Clix UK ]----------
import:         from AS215638 accept ANY
export:         to AS215638 announce AS209552:AS-SIROKY
mp-import:      afi ipv6.unicast from AS215638 accept ANY
mp-export:      afi ipv6.unicast to AS215638 announce AS209552:AS-SIROKY
mp-import:      afi ipv6.unicast from AS215638 action pref=100; accept ANY
mp-export:      afi ipv6.unicast to AS215638 announce AS209552:AS-SIROKY
remarks:        ----------[ BGP.EXCHANGE ]----------
import:         from AS24381 accept ANY
export:         to AS24381 announce AS209552:AS-SIROKY
remarks:        ----------[ HE.NET ]----------
import:         from AS6939 accept ANY
export:         to AS6939 announce AS209552:AS-SIROKY
mp-import:      afi ipv6.unicast from AS6939 accept ANY
mp-export:      afi ipv6.unicast to AS6939 announce AS209552:AS-SIROKY
mp-import:      afi ipv4.unicast from AS6939 accept ANY
mp-export:      afi ipv4.unicast to AS6939 announce AS209552:AS-SIROKY
mp-import:      afi ipv6.unicast from AS6939 action pref=100; accept ANY
mp-export:      afi ipv6.unicast to AS6939 announce AS209552:AS-SIROKY
remarks:        ----------[ PeersIX ]----------
import:         from AS214757 accept ANY
export:         to AS214757 announce AS209552
remarks:        ----------[ FreeTransit CH ]----------
import:         from AS41051 accept ANY
export:         to AS41051 announce AS209552:AS-SIROKY
mp-import:      afi ipv6.unicast from AS41051 accept ANY
mp-export:      afi ipv6.unicast to AS41051 announce AS209552:AS-SIROKY
remarks:        ----------[ Johannes Ernst ]----------
import:         from AS212895 accept ANY
export:         to AS212895 announce AS209552:AS-SIROKY
mp-import:      afi ipv6.unicast from AS212895 accept ANY
mp-export:      afi ipv6.unicast to AS212895 announce AS209552:AS-SIROKY
mp-import:      afi ipv6.unicast from AS212895 action pref=100; accept ANY
mp-export:      afi ipv6.unicast to AS212895 announce AS209552:AS-SIROKY
remarks:        ----------[ BGP.iFOG ]----------
import:         from AS209533 accept ANY
export:         to AS209533 announce AS209552:AS-SIROKY
remarks:        ----------[ HyeHost ]----------
import:         from AS47272 accept ANY
export:         to AS47272 announce AS209552:AS-SIROKY
remarks:        --------------------------------------------------------------
descr:          --------------------------------------------------------------
admin-c:        NA9293-RIPE
tech-c:         NA9293-RIPE
admin-c:        ACRO60786-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SIROKY-MNT
created:        2025-06-20T13:26:37Z
last-modified:  2026-05-12T13:21:29Z
source:         RIPE

organisation:   ORG-NI138-RIPE
org-name:       Jan Siroky
org-type:       OTHER
address:        Rue Henri-Maus 15 , 4000 Lutych
country:        BE
reg-nr:         Not Applicable
abuse-c:        ACRO60786-RIPE
mnt-ref:        netutils-mnt
mnt-by:         SIROKY-MNT
created:        2025-06-17T16:30:16Z
last-modified:  2026-05-14T09:55:47Z
source:         RIPE # Filtered

role:           Abuse - Technical Administrators
address:        ----
abuse-mailbox:  jan_siroky@mail.be
nic-hdl:        ACRO60786-RIPE
mnt-by:         SIROKY-MNT
created:        2025-06-17T16:27:35Z
last-modified:  2025-08-01T00:55:48Z
source:         RIPE # Filtered

role:           Network Admin - Technical Administrators
address:        ----
nic-hdl:        NA9293-RIPE
mnt-by:         SIROKY-MNT
created:        2025-06-17T16:09:43Z
last-modified:  2025-08-01T00:57:45Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.122.1 (ABERDEEN)

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" : "AS209552",
    "as_name" : "Jan",
    "description" : [ "--------------------------------------------------------------", "--------------------------------------------------------------", "--------------------------------------------------------------" ],
    "status" : "ASSIGNED",
    "import" : [ "from AS393577 accept ANY", "from AS215638 accept ANY", "from AS24381 accept ANY", "from AS6939 accept ANY", "from AS214757 accept ANY", "from AS41051 accept ANY", "from AS212895 accept ANY", "from AS209533 accept ANY", "from AS47272 accept ANY" ],
    "mp_import" : [ "afi ipv6.unicast from AS393577 accept ANY", "afi ipv6.unicast from AS393577 action pref=100; accept ANY", "afi ipv6.unicast from AS215638 accept ANY", "afi ipv6.unicast from AS215638 action pref=100; accept ANY", "afi ipv6.unicast from AS6939 accept ANY", "afi ipv4.unicast from AS6939 accept ANY", "afi ipv6.unicast from AS6939 action pref=100; accept ANY", "afi ipv6.unicast from AS41051 accept ANY", "afi ipv6.unicast from AS212895 accept ANY", "afi ipv6.unicast from AS212895 action pref=100; accept ANY" ],
    "export" : [ "to AS393577 announce AS209552:AS-SIROKY", "to AS215638 announce AS209552:AS-SIROKY", "to AS24381 announce AS209552:AS-SIROKY", "to AS6939 announce AS209552:AS-SIROKY", "to AS214757 announce AS209552", "to AS41051 announce AS209552:AS-SIROKY", "to AS212895 announce AS209552:AS-SIROKY", "to AS209533 announce AS209552:AS-SIROKY", "to AS47272 announce AS209552:AS-SIROKY" ],
    "mp_export" : [ "afi ipv6.unicast to AS393577 announce AS209552:AS-SIROKY", "afi ipv6.unicast to AS393577 announce AS209552:AS-SIROKY", "afi ipv6.unicast to AS215638 announce AS209552:AS-SIROKY", "afi ipv6.unicast to AS215638 announce AS209552:AS-SIROKY", "afi ipv6.unicast to AS6939 announce AS209552:AS-SIROKY", "afi ipv4.unicast to AS6939 announce AS209552:AS-SIROKY", "afi ipv6.unicast to AS6939 announce AS209552:AS-SIROKY", "afi ipv6.unicast to AS41051 announce AS209552:AS-SIROKY", "afi ipv6.unicast to AS212895 announce AS209552:AS-SIROKY", "afi ipv6.unicast to AS212895 announce AS209552:AS-SIROKY" ],
    "organization" : "ORG-NI138-RIPE",
    "sponsoring_organization" : "ORG-AHS27-RIPE",
    "admin_contacts" : [ "NA9293-RIPE", "ACRO60786-RIPE" ],
    "tech_contacts" : [ "NA9293-RIPE" ],
    "remarks" : [ "----------[ Tritan.gg ]----------", "----------[ Clix UK ]----------", "----------[ BGP.EXCHANGE ]----------", "----------[ HE.NET ]----------", "----------[ PeersIX ]----------", "----------[ FreeTransit CH ]----------", "----------[ Johannes Ernst ]----------", "----------[ BGP.iFOG ]----------", "----------[ HyeHost ]----------", "--------------------------------------------------------------" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "SIROKY-MNT" ],
    "date_created" : "2025-06-20",
    "date_updated" : "2026-05-12",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-NI138-RIPE",
    "name" : "Jan Siroky",
    "type" : "OTHER",
    "address" : [ "Rue Henri-Maus 15 , 4000 Lutych" ],
    "street" : "Rue Henri-maus",
    "city" : "Lutych",
    "zip_code" : "4000",
    "country" : [ "BE" ],
    "abuse_contacts" : [ "ACRO60786-RIPE" ],
    "mnt_ref" : [ "netutils-mnt" ],
    "mnt_by" : [ "SIROKY-MNT" ],
    "date_created" : "2025-06-17",
    "date_updated" : "2026-05-14",
    "source" : "RIPE"
  },
  "administrative_contacts" : [ {
    "handle" : "NA9293-RIPE",
    "name" : "Network Admin - Technical Administrators",
    "address" : [ "----" ],
    "mnt_by" : [ "SIROKY-MNT" ],
    "date_created" : "2025-06-17",
    "date_updated" : "2025-08-01",
    "source" : "RIPE"
  }, {
    "handle" : "ACRO60786-RIPE",
    "name" : "Abuse - Technical Administrators",
    "address" : [ "----" ],
    "abuse_mailbox" : [ "jan_siroky@mail.be" ],
    "mnt_by" : [ "SIROKY-MNT" ],
    "date_created" : "2025-06-17",
    "date_updated" : "2025-08-01",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "NA9293-RIPE",
    "name" : "Network Admin - Technical Administrators",
    "address" : [ "----" ],
    "mnt_by" : [ "SIROKY-MNT" ],
    "date_created" : "2025-06-17",
    "date_updated" : "2025-08-01",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS209533	iFog GmbH	CH
AS393577	Tritan Development	US
AS214757	Jakub Krsa	CZ
AS6939	Hurricane Electric LLC	US
AS212895	Johannes Ernst	DE
AS41051	FREETRANSIT Project	CH
AS215638	Cilix Limited	GB
AS47272	HYEHOST LLC	US
AS24381	BGP.Exchange	AU