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AS218506 Jouke Siekman | IPGeolocation.io

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

Jouke Siekman siekman.io

NL 1 Routes

AS Data

AS218506

AS218506 – Jouke Siekman

AS Number	218506
AS Name	SIEKMAN-AS
Organization	Jouke Siekman (org-sa5634-ripe)
Country	NL
Website	siekman.io
Number of IPv4 Routes	0
Number of IPv6 Routes	1
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2026-10-05

ASN Intelligence API for production workflows

Use ASN data for AS218506 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2001:67c:a90::/48	AS218506		Jouke Siekman	~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 'AS215130 - AS219547'

as-block:       AS215130 - AS219547
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:        2026-06-02T14:29:24Z
last-modified:  2026-06-02T14:29:24Z
source:         RIPE

% Information related to 'AS218506'

% Abuse contact for 'AS218506' is 'abuse@siekman.io'

aut-num:        AS218506
as-name:        SIEKMAN-AS
org:            ORG-SA5634-RIPE
sponsoring-org: ORG-NC22-RIPE
import:         from AS8283 accept ANY
export:         to AS8283 announce AS218506
import:         from AS212855 accept ANY
export:         to AS212855 announce AS218506
admin-c:        SNO45-RIPE
tech-c:         SNO45-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SIEKMAN-MNT
created:        2026-10-05T12:58:29Z
last-modified:  2026-10-05T12:58:29Z
source:         RIPE

organisation:   ORG-SA5634-RIPE
org-name:       Jouke Siekman
org-type:       OTHER
address:        Oranjehof 4, 4245 KZ Leerbroek
country:        NL
reg-nr:         Not Applicable
abuse-c:        SAC247-RIPE
tech-c:         SNO45-RIPE
admin-c:        SNO45-RIPE
mnt-ref:        SIEKMAN-MNT
created:        2026-10-03T11:48:33Z
last-modified:  2026-10-05T13:05:03Z
source:         RIPE # Filtered
mnt-by:         SIEKMAN-MNT

role:           Siekman Network Operations
nic-hdl:        SNO45-RIPE
mnt-by:         SIEKMAN-MNT
created:        2026-10-03T11:36:40Z
last-modified:  2026-10-03T11:36:40Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.124.1 (BUSA)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS215130 - AS219547",
    "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" : "2026-06-02",
    "date_updated" : "2026-06-02",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS218506",
    "as_name" : "SIEKMAN-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS8283 accept ANY", "from AS212855 accept ANY" ],
    "export" : [ "to AS8283 announce AS218506", "to AS212855 announce AS218506" ],
    "organization" : "ORG-SA5634-RIPE",
    "sponsoring_organization" : "ORG-NC22-RIPE",
    "admin_contacts" : [ "SNO45-RIPE" ],
    "tech_contacts" : [ "SNO45-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "SIEKMAN-MNT" ],
    "date_created" : "2026-10-05",
    "date_updated" : "2026-10-05",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-SA5634-RIPE",
    "name" : "Jouke Siekman",
    "type" : "OTHER",
    "address" : [ "Oranjehof 4, 4245 KZ Leerbroek" ],
    "street" : "Oranjehof",
    "city" : "Leerbroek",
    "zip_code" : "4245",
    "country" : [ "NL" ],
    "admin_contacts" : [ "SNO45-RIPE" ],
    "tech_contacts" : [ "SNO45-RIPE" ],
    "abuse_contacts" : [ "SAC247-RIPE" ],
    "mnt_ref" : [ "SIEKMAN-MNT" ],
    "mnt_by" : [ "SIEKMAN-MNT" ],
    "date_created" : "2026-10-03",
    "date_updated" : "2026-10-05",
    "source" : "RIPE",
    "addressCountry" : "KZ"
  },
  "administrative_contacts" : [ {
    "handle" : "SNO45-RIPE",
    "name" : "Siekman Network Operations",
    "mnt_by" : [ "SIEKMAN-MNT" ],
    "date_created" : "2026-10-03",
    "date_updated" : "2026-10-03",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "SNO45-RIPE",
    "name" : "Siekman Network Operations",
    "mnt_by" : [ "SIEKMAN-MNT" ],
    "date_created" : "2026-10-03",
    "date_updated" : "2026-10-03",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS212855	LUJE.net	NL
AS8283	Netwerkvereniging Coloclue	NL

Upstreams

AS Number	Description	Country
AS8283	Netwerkvereniging Coloclue	NL

Frequently Asked Questions

What is ASN AS218506?

ASN AS218506 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS218506?

AS218506 is listed under Jouke Siekman.

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.