What is ASN AS205621?

ASN AS205621 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS205621?

AS205621 is listed under Zentria OU.

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.

AS205621 Zentria OU | IPGeolocation.io

Zentria OU zentria.ee

EE 1 Routes

AS Data

AS205621

AS205621 – Zentria OU

AS Number	205621
AS Name	ZENTRIAOU
Organization	Zentria OU (org-zo9-ripe)
Country	EE
Website	zentria.ee
Number of IPv4 Routes	0
Number of IPv6 Routes	1
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2025-08-11

ASN Intelligence API for production workflows

Use ASN data for AS205621 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

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2a0e:97c0:3c1::/48	AS205621	Zentria OU	Zentria OU	~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 'AS203940 - AS205662'

as-block:       AS203940 - AS205662
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:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE

% Information related to 'AS205621'

% Abuse contact for 'AS205621' is 'noc@zentria.ee'

aut-num:        AS205621
as-name:        ZENTRIAOU
org:            ORG-ZO9-RIPE
sponsoring-org: ORG-SA4302-RIPE
admin-c:        SBAC-RIPE
admin-c:        ACRO61306-RIPE
tech-c:         SBTC-RIPE
tech-c:         ACRO61306-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SBMT
mnt-by:         ZENTRIAOU-MNT
created:        2025-08-11T10:45:39Z
last-modified:  2026-01-20T19:06:54Z
source:         RIPE
import:         from AS205621:AS-DOWNSTREAM accept ANY
export:         to AS205621:AS-UPSTREAM announce AS205621:AS-TRANSIT

organisation:   ORG-ZO9-RIPE
org-name:       Zentria OU
org-type:       OTHER
address:        Kivimae, Arina kula, Vaike-Maarja vald, 46235 Estonia
country:        EE
reg-nr:         16130615
abuse-c:        ACRO61306-RIPE
mnt-ref:        ZENTRIAOU-MNT
mnt-by:         ZENTRIAOU-MNT
mnt-by:         ZENTRIAOU-MV-MNT
created:        2025-08-07T18:39:42Z
last-modified:  2026-05-13T05:48:43Z
source:         RIPE # Filtered

role:           Abuse contact role object
address:        Kivimae, Arina kula, Vaike-Maarja vald, 46235 Estonia
abuse-mailbox:  noc@zentria.ee
nic-hdl:        ACRO61306-RIPE
mnt-by:         ZENTRIAOU-MNT
mnt-by:         ZENTRIAOU-MV-MNT
created:        2025-08-07T18:37:56Z
last-modified:  2025-08-07T18:59:10Z
source:         RIPE # Filtered

role:           Securebit Administrative Contact
address:        Securebit AG
address:        Industriestrasse 3
address:        6345 Neuheim
address:        Switzerland
org:            ORG-SA4302-RIPE
admin-c:        KBPS
tech-c:         KBPS
nic-hdl:        SBAC-RIPE
mnt-by:         SBMT
created:        2017-12-12T10:44:51Z
last-modified:  2019-04-04T04:04:09Z
source:         RIPE # Filtered

role:           Securebit Technical Contact
address:        Securebit AG
address:        Industriestrasse 3
address:        6345 Neuheim
address:        Switzerland
org:            ORG-SA4302-RIPE
admin-c:        KBPS
tech-c:         KBPS
nic-hdl:        SBTC-RIPE
mnt-by:         SBMT
created:        2017-12-12T10:46:29Z
last-modified:  2019-04-04T04:04:09Z
source:         RIPE # Filtered

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


% 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 'AS203940 - AS205662'

as-block:       AS203940 - AS205662
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:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE

% Information related to 'AS205621'

% Abuse contact for 'AS205621' is 'noc@zentria.ee'

aut-num:        AS205621
as-name:        ZENTRIAOU
org:            ORG-ZO9-RIPE
sponsoring-org: ORG-SA4302-RIPE
admin-c:        SBAC-RIPE
admin-c:        ACRO61306-RIPE
tech-c:         SBTC-RIPE
tech-c:         ACRO61306-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SBMT
mnt-by:         ZENTRIAOU-MNT
created:        2025-08-11T10:45:39Z
last-modified:  2026-01-20T19:06:54Z
source:         RIPE
import:         from AS205621:AS-DOWNSTREAM accept ANY
export:         to AS205621:AS-UPSTREAM announce AS205621:AS-TRANSIT

organisation:   ORG-ZO9-RIPE
org-name:       Zentria OU
org-type:       OTHER
address:        Kivimae, Arina kula, Vaike-Maarja vald, 46235 Estonia
country:        EE
reg-nr:         16130615
abuse-c:        ACRO61306-RIPE
mnt-ref:        ZENTRIAOU-MNT
mnt-by:         ZENTRIAOU-MNT
mnt-by:         ZENTRIAOU-MV-MNT
created:        2025-08-07T18:39:42Z
last-modified:  2026-05-13T05:48:43Z
source:         RIPE # Filtered

role:           Abuse contact role object
address:        Kivimae, Arina kula, Vaike-Maarja vald, 46235 Estonia
abuse-mailbox:  noc@zentria.ee
nic-hdl:        ACRO61306-RIPE
mnt-by:         ZENTRIAOU-MNT
mnt-by:         ZENTRIAOU-MV-MNT
created:        2025-08-07T18:37:56Z
last-modified:  2025-08-07T18:59:10Z
source:         RIPE # Filtered

role:           Securebit Administrative Contact
address:        Securebit AG
address:        Industriestrasse 3
address:        6345 Neuheim
address:        Switzerland
org:            ORG-SA4302-RIPE
admin-c:        KBPS
tech-c:         KBPS
nic-hdl:        SBAC-RIPE
mnt-by:         SBMT
created:        2017-12-12T10:44:51Z
last-modified:  2019-04-04T04:04:09Z
source:         RIPE # Filtered

role:           Securebit Technical Contact
address:        Securebit AG
address:        Industriestrasse 3
address:        6345 Neuheim
address:        Switzerland
org:            ORG-SA4302-RIPE
admin-c:        KBPS
tech-c:         KBPS
nic-hdl:        SBTC-RIPE
mnt-by:         SBMT
created:        2017-12-12T10:46:29Z
last-modified:  2019-04-04T04:04:09Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS203940 - AS205662",
    "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" : "2026-03-05",
    "date_updated" : "2026-03-05",
    "source" : "RIPE"
  }, {
    "as_block" : "AS203940 - AS205662",
    "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" : "2026-03-05",
    "date_updated" : "2026-03-05",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS205621",
    "as_name" : "ZENTRIAOU",
    "status" : "ASSIGNED",
    "import" : [ "from AS205621:AS-DOWNSTREAM accept ANY" ],
    "export" : [ "to AS205621:AS-UPSTREAM announce AS205621:AS-TRANSIT" ],
    "organization" : "ORG-ZO9-RIPE",
    "sponsoring_organization" : "ORG-SA4302-RIPE",
    "admin_contacts" : [ "SBAC-RIPE", "ACRO61306-RIPE" ],
    "tech_contacts" : [ "SBTC-RIPE", "ACRO61306-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "SBMT", "ZENTRIAOU-MNT" ],
    "date_created" : "2025-08-11",
    "date_updated" : "2026-01-20",
    "source" : "RIPE"
  }, {
    "aut_num" : "AS205621",
    "as_name" : "ZENTRIAOU",
    "status" : "ASSIGNED",
    "import" : [ "from AS205621:AS-DOWNSTREAM accept ANY" ],
    "export" : [ "to AS205621:AS-UPSTREAM announce AS205621:AS-TRANSIT" ],
    "organization" : "ORG-ZO9-RIPE",
    "sponsoring_organization" : "ORG-SA4302-RIPE",
    "admin_contacts" : [ "SBAC-RIPE", "ACRO61306-RIPE" ],
    "tech_contacts" : [ "SBTC-RIPE", "ACRO61306-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "SBMT", "ZENTRIAOU-MNT" ],
    "date_created" : "2025-08-11",
    "date_updated" : "2026-01-20",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-ZO9-RIPE",
    "name" : "Zentria OU",
    "type" : "OTHER",
    "address" : [ "Kivimae, Arina kula, Vaike-Maarja vald, 46235 Estonia" ],
    "city" : "Arina Kula Vaike-maarja Vald",
    "zip_code" : "46235",
    "country" : [ "EE" ],
    "abuse_contacts" : [ "ACRO61306-RIPE" ],
    "mnt_ref" : [ "ZENTRIAOU-MNT" ],
    "mnt_by" : [ "ZENTRIAOU-MNT", "ZENTRIAOU-MV-MNT" ],
    "date_created" : "2025-08-07",
    "date_updated" : "2026-05-13",
    "source" : "RIPE",
    "addressCountry" : "ESTONIA"
  },
  "administrative_contacts" : [ {
    "handle" : "SBAC-RIPE",
    "name" : "Securebit Administrative Contact",
    "address" : [ "Securebit AG", "Industriestrasse 3", "6345 Neuheim", "Switzerland" ],
    "street" : "Industriestrasse",
    "city" : "Neuheim",
    "zip_code" : "6345",
    "country" : "SWITZERLAND",
    "organizations" : [ "ORG-SA4302-RIPE" ],
    "admin_contacts" : [ "KBPS" ],
    "tech_contacts" : [ "KBPS" ],
    "mnt_by" : [ "SBMT" ],
    "date_created" : "2017-12-12",
    "date_updated" : "2019-04-04",
    "source" : "RIPE",
    "addressCountry" : "SWITZERLAND"
  }, {
    "handle" : "ACRO61306-RIPE",
    "name" : "Abuse contact role object",
    "address" : [ "Kivimae, Arina kula, Vaike-Maarja vald, 46235 Estonia" ],
    "city" : "Arina Kula Vaike-maarja Vald",
    "zip_code" : "46235",
    "country" : "ESTONIA",
    "abuse_mailbox" : [ "noc@zentria.ee" ],
    "mnt_by" : [ "ZENTRIAOU-MNT", "ZENTRIAOU-MV-MNT" ],
    "date_created" : "2025-08-07",
    "date_updated" : "2025-08-07",
    "source" : "RIPE",
    "addressCountry" : "ESTONIA"
  } ],
  "technical_contacts" : [ {
    "handle" : "SBTC-RIPE",
    "name" : "Securebit Technical Contact",
    "address" : [ "Securebit AG", "Industriestrasse 3", "6345 Neuheim", "Switzerland" ],
    "street" : "Industriestrasse",
    "city" : "Neuheim",
    "zip_code" : "6345",
    "country" : "SWITZERLAND",
    "organizations" : [ "ORG-SA4302-RIPE" ],
    "admin_contacts" : [ "KBPS" ],
    "tech_contacts" : [ "KBPS" ],
    "mnt_by" : [ "SBMT" ],
    "date_created" : "2017-12-12",
    "date_updated" : "2019-04-04",
    "source" : "RIPE",
    "addressCountry" : "SWITZERLAND"
  }, {
    "handle" : "ACRO61306-RIPE",
    "name" : "Abuse contact role object",
    "address" : [ "Kivimae, Arina kula, Vaike-Maarja vald, 46235 Estonia" ],
    "city" : "Arina Kula Vaike-maarja Vald",
    "zip_code" : "46235",
    "country" : "ESTONIA",
    "abuse_mailbox" : [ "noc@zentria.ee" ],
    "mnt_by" : [ "ZENTRIAOU-MNT", "ZENTRIAOU-MV-MNT" ],
    "date_created" : "2025-08-07",
    "date_updated" : "2025-08-07",
    "source" : "RIPE",
    "addressCountry" : "ESTONIA"
  } ]
}

Peers

AS Number	Description	Country
AS214132	3NV OU	EE

Upstreams

AS Number	Description	Country
AS214132	3NV OU	EE

Contacts

Email Contacts

noc@zentria.ee

Abuse Contacts