ASN AS47743 is an Autonomous System Number used to identify a network for BGP internet routing.

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.

AS47743 Usikov Institute of Radiophysics and Electronics of National Academy of Sciences of Ukraine

Q: Who manages ASN AS47743?

AS47743 is listed under Usikov Institute of Radiophysics and Electronics of National Academy of Sciences of Ukraine.

ASN Lookup Tool

Usikov Institute of Radiophysics and Electronics of National Academy of Sciences of Ukraine ire.kharkov.ua

UA 1 Routes

AS Data

AS47743

AS47743 – Usikov Institute of Radiophysics and Electronics of National Academy of Sciences of Ukraine

AS Number	47743
AS Name	IRE-NASU-AS
Organization	Usikov Institute of Radiophysics and Electronics of National Academy of Sciences of Ukraine (org-iora1-ripe)
Country	UA
Website	ire.kharkov.ua
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2008-08-13

ASN Intelligence API for production workflows

Use ASN data for AS47743 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
91.208.94.0/24	AS47743	Usikov Institute of Radiophysics and Electronics of National Academy of Sciences of Ukraine	Usikov Institute of Radiophysics and Electronics of National Academy of Sciences of Ukraine	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 'AS47385 - AS47868'

as-block:       AS47385 - AS47868
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:        2024-07-08T14:18:47Z
last-modified:  2024-07-08T14:18:47Z
source:         RIPE

% Information related to 'AS47743'

% Abuse contact for 'AS47743' is 'abuse@ire.kharkov.ua'

aut-num:        AS47743
as-name:        IRE-NASU-AS
org:            ORG-IORA1-RIPE
import:         from AS3255 accept ANY
import:         from AS212397 accept ANY
import:         from AS9002 accept ANY
export:         to AS3255 announce AS47743
export:         to AS212397 announce AS47743
export:         to AS9002 announce AS47743
admin-c:        PNM22-RIPE
tech-c:         INV32-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-IRE
created:        2008-08-13T09:13:02Z
last-modified:  2023-09-13T08:55:51Z
source:         RIPE
sponsoring-org: ORG-PL375-RIPE

organisation:   ORG-IORA1-RIPE
org-name:       Usikov Institute of Radiophysics and Electronics of National Academy of Sciences of Ukraine
country:        UA
org-type:       OTHER
address:        12, Proskura st., Kharkov, 61085, Ukraine
abuse-c:        AR30058-RIPE
mnt-ref:        MNT-IRE
mnt-by:         MNT-IRE
created:        2008-06-26T17:43:38Z
last-modified:  2022-12-01T16:31:22Z
source:         RIPE # Filtered

person:         Igor N. Volovichev
address:        Institute for Radiophysics and Electronics
address:        12, Ac. Proskura st., Kharkov, 61085, Ukraine
phone:          +38 057 763 4399
nic-hdl:        INV32-RIPE
mnt-by:         MNT-IRE
created:        2019-09-23T09:18:33Z
last-modified:  2019-09-23T09:18:33Z
source:         RIPE # Filtered

person:         Peter N Melezhik
fax-no:         +38 057 315 1105
address:        Institute for Radiophysics and Electronics
address:        12, Ac. Proskura st., Kharkov, 61085, Ukraine
phone:          +38 057 315 1129
nic-hdl:        PNM22-RIPE
mnt-by:         MNT-IRE
created:        2019-09-23T09:25:26Z
last-modified:  2019-09-23T09:25:26Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS47385 - AS47868",
    "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" : "2024-07-08",
    "date_updated" : "2024-07-08",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS47743",
    "as_name" : "IRE-NASU-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS3255 accept ANY", "from AS212397 accept ANY", "from AS9002 accept ANY" ],
    "export" : [ "to AS3255 announce AS47743", "to AS212397 announce AS47743", "to AS9002 announce AS47743" ],
    "organization" : "ORG-IORA1-RIPE",
    "sponsoring_organization" : "ORG-PL375-RIPE",
    "admin_contacts" : [ "PNM22-RIPE" ],
    "tech_contacts" : [ "INV32-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "MNT-IRE" ],
    "date_created" : "2008-08-13",
    "date_updated" : "2023-09-13",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-IORA1-RIPE",
    "name" : "Usikov Institute of Radiophysics and Electronics of National Academy of Sciences of Ukraine",
    "type" : "OTHER",
    "address" : [ "12, Proskura st., Kharkov, 61085, Ukraine" ],
    "street" : "Proskura St.",
    "city" : "Kharkov",
    "zip_code" : "61085",
    "country" : [ "UA" ],
    "abuse_contacts" : [ "AR30058-RIPE" ],
    "mnt_ref" : [ "MNT-IRE" ],
    "mnt_by" : [ "MNT-IRE" ],
    "date_created" : "2008-06-26",
    "date_updated" : "2022-12-01",
    "source" : "RIPE",
    "addressCountry" : "UKRAINE"
  },
  "administrative_contacts" : [ {
    "handle" : "PNM22-RIPE",
    "name" : "Peter N Melezhik",
    "address" : [ "Institute for Radiophysics and Electronics", "12, Ac. Proskura st., Kharkov, 61085, Ukraine" ],
    "street" : "Ac. Proskura St.",
    "city" : "Kharkov",
    "zip_code" : "61085",
    "country" : "UKRAINE",
    "phone" : [ "+38 057 315 1129" ],
    "fax_no" : [ "+38 057 315 1105" ],
    "mnt_by" : [ "MNT-IRE" ],
    "date_created" : "2019-09-23",
    "date_updated" : "2019-09-23",
    "source" : "RIPE",
    "addressCountry" : "UKRAINE"
  } ],
  "technical_contacts" : [ {
    "handle" : "INV32-RIPE",
    "name" : "Igor N. Volovichev",
    "address" : [ "Institute for Radiophysics and Electronics", "12, Ac. Proskura st., Kharkov, 61085, Ukraine" ],
    "street" : "Ac. Proskura St.",
    "city" : "Kharkov",
    "zip_code" : "61085",
    "country" : "UKRAINE",
    "phone" : [ "+38 057 763 4399" ],
    "mnt_by" : [ "MNT-IRE" ],
    "date_created" : "2019-09-23",
    "date_updated" : "2019-09-23",
    "source" : "RIPE",
    "addressCountry" : "UKRAINE"
  } ]
}

Peers

AS Number	Description	Country
AS212397	User Association of Ukrainian Research and Academic Network URAN	UA
AS9002	RETN Limited	GB
AS3255	LLC EKSINTECH	UA

Upstreams

AS Number	Description	Country
AS212397	User Association of Ukrainian Research and Academic Network URAN	UA