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AS203516 AltunHOST LTD | 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

AltunHOST LTD altunhost.com

GB 3 Routes

AS Data

AS203516

AS203516 – AltunHOST LTD

AS Number	203516
AS Name	AltunHOST
Organization	AltunHOST LTD (org-aa3433-ripe)
Country	GB
Website	altunhost.com
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2025-11-24

ASN Intelligence API for production workflows

Use ASN data for AS203516 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
5.83.131.0/24	AS203516	AltunHOST LTD	AltunHOST	256
5.83.135.0/24	AS203516	AltunHOST LTD	AltunHOST	256
5.175.206.0/24	AS203516	AltunHOST LTD	AltunHOST	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 'AS203113 - AS203887'

as-block:       AS203113 - AS203887
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:        2024-11-12T15:22:00Z
last-modified:  2024-11-12T15:22:00Z
source:         RIPE

% Information related to 'AS203516'

% Abuse contact for 'AS203516' is 'abuse@altunhost.com'

aut-num:        AS203516
as-name:        AltunHOST
org:            ORG-AA3433-RIPE
sponsoring-org: ORG-MITA10-RIPE
admin-c:        AA45936-RIPE
tech-c:         AA45936-RIPE
status:         ASSIGNED
remarks:        --------------------------------------------------
import:         from AS23470 accept ANY
export:         to AS23470 announce AS203516
remarks:        --------------------------------------------------
import:         from AS197071 accept ANY
export:         to AS197071 announce AS203516
remarks:        --------------------------------------------------
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ALTUNHOST-MNT
created:        2025-11-24T13:46:26Z
last-modified:  2026-04-01T12:55:52Z
source:         RIPE

organisation:   ORG-AA3433-RIPE
org-name:       AltunHOST LTD
country:        GB
org-type:       OTHER
phone:          +90 850 303 2907
address:        Pinar mah. Ahmet arif cad. no: 95/A Esenyurt/Istanbul
abuse-c:        AA45912-RIPE
mnt-ref:        ALTUNHOST-MNT
created:        2026-03-27T07:42:36Z
last-modified:  2026-04-01T12:55:52Z
source:         RIPE # Filtered
mnt-by:         ALTUNHOST-MNT

role:           AltunHOST
address:        Bursa
abuse-mailbox:  abuse@altunhost.com
nic-hdl:        AA45936-RIPE
mnt-by:         ALTUNHOST-MNT
created:        2025-11-28T17:42:56Z
last-modified:  2025-11-28T18:33:59Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (BUSA)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS203113 - AS203887",
    "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" : "2024-11-12",
    "date_updated" : "2024-11-12",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS203516",
    "as_name" : "AltunHOST",
    "status" : "ASSIGNED",
    "import" : [ "from AS23470 accept ANY", "from AS197071 accept ANY" ],
    "export" : [ "to AS23470 announce AS203516", "to AS197071 announce AS203516" ],
    "organization" : "ORG-AA3433-RIPE",
    "sponsoring_organization" : "ORG-MITA10-RIPE",
    "admin_contacts" : [ "AA45936-RIPE" ],
    "tech_contacts" : [ "AA45936-RIPE" ],
    "remarks" : [ "--------------------------------------------------", "--------------------------------------------------", "--------------------------------------------------" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "ALTUNHOST-MNT" ],
    "date_created" : "2025-11-24",
    "date_updated" : "2026-04-01",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-AA3433-RIPE",
    "name" : "AltunHOST LTD",
    "type" : "OTHER",
    "address" : [ "Pinar mah. Ahmet arif cad. no: 95/A Esenyurt/Istanbul" ],
    "street" : "Esenyurt/istanbul",
    "country" : [ "GB" ],
    "phone" : [ "+90 850 303 2907" ],
    "abuse_contacts" : [ "AA45912-RIPE" ],
    "mnt_ref" : [ "ALTUNHOST-MNT" ],
    "mnt_by" : [ "ALTUNHOST-MNT" ],
    "date_created" : "2026-03-27",
    "date_updated" : "2026-04-01",
    "source" : "RIPE"
  },
  "administrative_contacts" : [ {
    "handle" : "AA45936-RIPE",
    "name" : "AltunHOST",
    "address" : [ "Bursa" ],
    "state" : "BURSA",
    "abuse_mailbox" : [ "abuse@altunhost.com" ],
    "mnt_by" : [ "ALTUNHOST-MNT" ],
    "date_created" : "2025-11-28",
    "date_updated" : "2025-11-28",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "AA45936-RIPE",
    "name" : "AltunHOST",
    "address" : [ "Bursa" ],
    "state" : "BURSA",
    "abuse_mailbox" : [ "abuse@altunhost.com" ],
    "mnt_by" : [ "ALTUNHOST-MNT" ],
    "date_created" : "2025-11-28",
    "date_updated" : "2025-11-28",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS23470	ReliableSite.Net LLC	US
AS197071	active 1 GmbH	DE

Upstreams

AS Number	Description	Country
AS23470	ReliableSite.Net LLC	US
AS197071	active 1 GmbH	DE

Frequently Asked Questions

What is ASN AS203516?

ASN AS203516 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS203516?

AS203516 is listed under AltunHOST 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.