ASN AS39533 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS39533?

AS39533 is listed under Asympto Networks Kft..

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.

AS39533 Asympto Networks Kft.

ASN Lookup Tool

Asympto Networks Kft. asympto.com

HU 2 Routes

AS Data

AS39533

AS39533 – Asympto Networks Kft.

AS Number	39533
AS Name	asympto
Organization	Asympto Networks Kft. (org-ank2-ripe)
Country	HU
Website	asympto.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2017-11-24

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
185.233.142.0/24	AS39533	Asympto Networks Kft.	Asympto Networks Kft.	256
185.233.141.0/24	AS39533	Asympto Networks Kft.	Asympto Networks Kft.	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 'AS38912 - AS39599'

as-block:       AS38912 - AS39599
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:        2023-08-29T07:47:54Z
last-modified:  2023-08-29T07:47:54Z
source:         RIPE

% Information related to 'AS39533'

% Abuse contact for 'AS39533' is 'abuse-reporter@asympto.com'

aut-num:        AS39533
as-name:        asympto
org:            ORG-ANK2-RIPE
remarks:        Asympto Networks
remarks:        https://asympto.com/
remarks:        https://as39533.peeringdb.com/
remarks:
import:         from AS39533:AS-TRANSIT accept ANY
export:         to AS39533:AS-TRANSIT announce AS39533:AS-ALL
import:         from AS39533:AS-PEERS accept AS39533:AS-SET:PeerAS
export:         to AS39533:AS-PEERS announce AS39533:AS-CONNECTED
import:         from AS39533:AS-CONNECTED accept AS39533:AS-SET:PeerAS
export:         to AS39533:AS-CONNECTED announce AS39533:AS-ALL
import:         from AS2914 accept ANY
export:         to AS2914 announce AS39533:AS-CONNECTED
export:         to AS2914 announce AS39533:AS-ALL
remarks:
admin-c:        IB5165-RIPE
admin-c:        RL13004-RIPE
tech-c:         IB5165-RIPE
tech-c:         RL13004-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         hu-asympto-2-mnt
mnt-by:         hu-asympto-1-mnt
created:        2017-11-24T08:30:26Z
last-modified:  2025-10-24T09:50:20Z
source:         RIPE

organisation:   ORG-ANK2-RIPE
org-name:       Asympto Networks Kft.
country:        HU
org-type:       LIR
address:        Deak Ferenc ter 3. II. em.
address:        1052
address:        Budapest
address:        HUNGARY
phone:          +36 1 998 9198
admin-c:        IB5165-RIPE
admin-c:        RL13004-RIPE
tech-c:         IB5165-RIPE
tech-c:         RL13004-RIPE
abuse-c:        AR43928-RIPE
mnt-ref:        hu-asympto-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         hu-asympto-1-mnt
created:        2017-11-20T09:36:35Z
last-modified:  2020-12-16T13:39:07Z
source:         RIPE # Filtered

person:         Livia Nagy
address:        Honved utca 8. 1. em. 2.
address:        1054
address:        Budapest
address:        HUNGARY
phone:          +36 1 998 9198
nic-hdl:        IB5165-RIPE
mnt-by:         hu-asympto-1-mnt
created:        2017-11-20T09:36:34Z
last-modified:  2017-12-16T16:31:46Z
source:         RIPE

person:         Robert Lanyi
address:        Deak Ferenc ter 3. II. em.
address:        1052
address:        Budapest
address:        HUNGARY
phone:          +36 1 998 9198
nic-hdl:        RL13004-RIPE
mnt-by:         hu-asympto-2-mnt
created:        2019-03-16T11:24:24Z
last-modified:  2020-04-01T10:39:33Z
source:         RIPE # Filtered

% 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" : "AS38912 - AS39599",
    "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" : "2023-08-29",
    "date_updated" : "2023-08-29",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS39533",
    "as_name" : "asympto",
    "status" : "ASSIGNED",
    "import" : [ "from AS39533:AS-TRANSIT accept ANY", "from AS39533:AS-PEERS accept AS39533:AS-SET:PeerAS", "from AS39533:AS-CONNECTED accept AS39533:AS-SET:PeerAS", "from AS2914 accept ANY" ],
    "export" : [ "to AS39533:AS-TRANSIT announce AS39533:AS-ALL", "to AS39533:AS-PEERS announce AS39533:AS-CONNECTED", "to AS39533:AS-CONNECTED announce AS39533:AS-ALL", "to AS2914 announce AS39533:AS-CONNECTED", "to AS2914 announce AS39533:AS-ALL" ],
    "organization" : "ORG-ANK2-RIPE",
    "admin_contacts" : [ "IB5165-RIPE", "RL13004-RIPE" ],
    "tech_contacts" : [ "IB5165-RIPE", "RL13004-RIPE" ],
    "remarks" : [ "Asympto Networks", "https://asympto.com/", "https://as39533.peeringdb.com/" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "hu-asympto-2-mnt", "hu-asympto-1-mnt" ],
    "date_created" : "2017-11-24",
    "date_updated" : "2025-10-24",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-ANK2-RIPE",
    "name" : "Asympto Networks Kft.",
    "type" : "LIR",
    "address" : [ "Deak Ferenc ter 3. II. em.", "1052", "Budapest", "HUNGARY" ],
    "street" : "Deak Ferenc Ter",
    "city" : "Budapest",
    "zip_code" : "1052",
    "country" : [ "HU" ],
    "phone" : [ "+36 1 998 9198" ],
    "admin_contacts" : [ "IB5165-RIPE", "RL13004-RIPE" ],
    "tech_contacts" : [ "IB5165-RIPE", "RL13004-RIPE" ],
    "abuse_contacts" : [ "AR43928-RIPE" ],
    "mnt_ref" : [ "hu-asympto-1-mnt" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "hu-asympto-1-mnt" ],
    "date_created" : "2017-11-20",
    "date_updated" : "2020-12-16",
    "source" : "RIPE",
    "addressCountry" : "HUNGARY"
  },
  "administrative_contacts" : [ {
    "handle" : "IB5165-RIPE",
    "name" : "Livia Nagy",
    "address" : [ "Honved utca 8. 1. em. 2.", "1054", "Budapest", "HUNGARY" ],
    "street" : "Honved Utca",
    "city" : "Budapest",
    "zip_code" : "1054",
    "country" : "HUNGARY",
    "phone" : [ "+36 1 998 9198" ],
    "mnt_by" : [ "hu-asympto-1-mnt" ],
    "date_created" : "2017-11-20",
    "date_updated" : "2017-12-16",
    "source" : "RIPE",
    "addressCountry" : "HUNGARY"
  }, {
    "handle" : "RL13004-RIPE",
    "name" : "Robert Lanyi",
    "address" : [ "Deak Ferenc ter 3. II. em.", "1052", "Budapest", "HUNGARY" ],
    "street" : "Deak Ferenc Ter",
    "city" : "Budapest",
    "zip_code" : "1052",
    "country" : "HUNGARY",
    "phone" : [ "+36 1 998 9198" ],
    "mnt_by" : [ "hu-asympto-2-mnt" ],
    "date_created" : "2019-03-16",
    "date_updated" : "2020-04-01",
    "source" : "RIPE",
    "addressCountry" : "HUNGARY"
  } ],
  "technical_contacts" : [ {
    "handle" : "IB5165-RIPE",
    "name" : "Livia Nagy",
    "address" : [ "Honved utca 8. 1. em. 2.", "1054", "Budapest", "HUNGARY" ],
    "street" : "Honved Utca",
    "city" : "Budapest",
    "zip_code" : "1054",
    "country" : "HUNGARY",
    "phone" : [ "+36 1 998 9198" ],
    "mnt_by" : [ "hu-asympto-1-mnt" ],
    "date_created" : "2017-11-20",
    "date_updated" : "2017-12-16",
    "source" : "RIPE",
    "addressCountry" : "HUNGARY"
  }, {
    "handle" : "RL13004-RIPE",
    "name" : "Robert Lanyi",
    "address" : [ "Deak Ferenc ter 3. II. em.", "1052", "Budapest", "HUNGARY" ],
    "street" : "Deak Ferenc Ter",
    "city" : "Budapest",
    "zip_code" : "1052",
    "country" : "HUNGARY",
    "phone" : [ "+36 1 998 9198" ],
    "mnt_by" : [ "hu-asympto-2-mnt" ],
    "date_created" : "2019-03-16",
    "date_updated" : "2020-04-01",
    "source" : "RIPE",
    "addressCountry" : "HUNGARY"
  } ]
}

Peers

AS Number	Description	Country
AS3491	PCCW Global	HK
AS6736	Institute for Research in Fundamental Sciences	IR
AS3491	PCCW Global HK Limited	HK
AS49666	Telecommunication Infrastructure Company	IR
AS216067	BHS Solutions GmbH	DE
AS2914	NTT America, Inc.	US

Upstreams

AS Number	Description	Country
AS3491	PCCW Global HK Limited	HK
AS2914	NTT America, Inc.	US

Downstreams

AS Number	Description	Country
AS6736	Institute for Research in Fundamental Sciences	IR
AS49666	Telecommunication Infrastructure Company	IR
AS216067	BHS Solutions GmbH	DE