ASN AS21274 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.

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AS21274 State Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' UIIP NASB

Q: Who manages ASN AS21274?

AS21274 is listed under State Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' UIIP NASB.

State Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' UIIP NASB basnet.by

BY 2 Routes

AS Data

AS21274

AS21274 – State Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' UIIP NASB

AS Number	21274
AS Name	BAS-NET-AS
Organization	State Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' UIIP NASB(org-rt1-ripe)
Country	BY
Website	basnet.by
Number of IPv4 Routes	1
Number of IPv6 Routes	1
ASN type	GOVERNMENT
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2002-08-26

ASN Intelligence API for production workflows

Use ASN data for AS21274 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
80.94.160.0/20	AS21274	State Scientific Enterprise United Institute of Informatics Problems of National Academy of Sciences of Belarus UIIP NASB	State Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' UIIP NASB	4096
2a01:6e40::/32	AS21274	State Scientific Enterprise United Institute of Informatics Problems of National Academy of Sciences of Belarus UIIP NASB	State Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' UIIP NASB	~79×10²⁷

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 'AS21272 - AS21277'

as-block:       AS21272 - AS21277
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:        2018-11-22T15:27:28Z
last-modified:  2018-11-22T15:27:28Z
source:         RIPE

% Information related to 'AS21274'

% Abuse contact for 'AS21274' is 'abuse@basnet.by'

aut-num:        AS21274
as-name:        BAS-NET-AS
org:            ORG-RT1-RIPE
remarks:        ------------------------------------------------
remarks:        Uplinks
remarks:        AS20965 = GEANT; AS60280 = NTEC;
remarks:        ------------------------------------------------
remarks:        IX
remarks:        AS35647 = BYIX-AS;
remarks:        ------------------------------------------------
remarks:        Customers
remarks:        AS5498 = UNIBEL-AS; AS13171 = BSU; AS50934 = BNTU-of-Management-AS;
remarks:        AS60744 = ASITMOBY; AS199561 = MTZ-REC-AS; AS211089 = NCFM-AS;
remarks:        AS30945 = BAS-NET-TECHAS;
remarks:        ---------------------------------------------
import:         from AS20965 accept ANY
export:         to AS20965 announce AS-BASNET
import:         from AS60280 accept ANY
export:         to AS60280 announce AS-BASNET
remarks:        ------------------------------------------------
import:         from AS35647 accept AS-BYIX
export:         to AS35647 announce AS-BASNET
remarks:        ---------------------------------------------
import:         from AS5498 accept AS5498
export:         to AS5498 announce AS-BASNET
import:         from AS13171 accept AS13171
export:         to AS13171 announce AS-BASNET
import:         from AS50934 accept AS50934
export:         to AS50934 announce AS-BASNET
import:         from AS60744 accept AS60744
export:         to AS60744 announce AS-BASNET
import:         from AS199561 accept AS199561
export:         to AS199561 announce AS-BASNET
import:         from AS211089 accept AS211089
export:         to AS211089 announce AS-BASNET
import:         from AS30945 accept AS30945
export:         to AS30945 announce AS-BASNET
remarks:        --------------------------------------------------
admin-c:        KSV94-RIPE
admin-c:        OAN3-RIPE
tech-c:         OAN3-RIPE
tech-c:         OKM4-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         RECIT-MNT
created:        2002-08-26T09:56:36Z
last-modified:  2026-03-05T11:35:08Z
source:         RIPE # Filtered

organisation:   ORG-RT1-RIPE
org-name:       State Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' (UIIP NASB)
country:        BY
org-type:       LIR
address:        Surganova St., 6
address:        220012
address:        Minsk
address:        BELARUS
phone:          +375 17 2709229
phone:          +375 17 2703175
admin-c:        KSV94-RIPE
admin-c:        OAN3-RIPE
admin-c:        OKM4-RIPE
mnt-ref:        RECIT-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         RECIT-MNT
abuse-c:        BA979-RIPE
tech-c:         OAN3-RIPE
tech-c:         OKM4-RIPE
created:        2004-04-17T11:01:32Z
last-modified:  2023-12-13T07:13:47Z
source:         RIPE # Filtered
fax-no:         +375 17 2707404

person:         Siarhei V Kazlou
address:        National Academy of Sciences of Belarus
address:        United Institute of Informatics Problems
address:        Academicheskaya Street, 25
address:        220072, Minsk,Belarus
phone:          +375 17 2706226
fax-no:         +375 17 2707404
org:            ORG-RT1-RIPE
nic-hdl:        KSV94-RIPE
mnt-by:         RECIT-MNT
created:        2013-04-17T09:12:22Z
last-modified:  2021-03-10T07:36:31Z
source:         RIPE # Filtered

person:         Oleg A Nosylovsky
address:        National Academy of Sciences of Republic Belarus
address:        United Institute of Informatics Problems
address:        Academicheskaya Street 25
address:        220072 Minsk
address:        Belarus
phone:          +375 17 2709229
fax-no:         +375 17 2707404
org:            ORG-RT1-RIPE
nic-hdl:        OAN3-RIPE
remarks:        ------------------------------
mnt-by:         RECIT-MNT
created:        2003-03-18T12:08:23Z
last-modified:  2021-03-10T07:37:08Z
source:         RIPE # Filtered

person:         Oleg K Moiseichuk
address:        National Academy of Sciences of Republic Belarus
address:        United Institute of Informatics Problems
address:        Academicheskaya Street 25
address:        220072 Minsk
address:        Belarus
phone:          +375 17 2709229
fax-no:         +375 17 2707404
nic-hdl:        OKM4-RIPE
remarks:        ------------------------------
mnt-by:         RECIT-MNT
created:        2016-04-29T07:56:08Z
last-modified:  2021-03-10T07:37:30Z
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" : "AS21272 - AS21277",
    "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" : "2018-11-22",
    "date_updated" : "2018-11-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS21274",
    "as_name" : "BAS-NET-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS20965 accept ANY", "from AS60280 accept ANY", "from AS35647 accept AS-BYIX", "from AS5498 accept AS5498", "from AS13171 accept AS13171", "from AS50934 accept AS50934", "from AS60744 accept AS60744", "from AS199561 accept AS199561", "from AS211089 accept AS211089", "from AS30945 accept AS30945" ],
    "export" : [ "to AS20965 announce AS-BASNET", "to AS60280 announce AS-BASNET", "to AS35647 announce AS-BASNET", "to AS5498 announce AS-BASNET", "to AS13171 announce AS-BASNET", "to AS50934 announce AS-BASNET", "to AS60744 announce AS-BASNET", "to AS199561 announce AS-BASNET", "to AS211089 announce AS-BASNET", "to AS30945 announce AS-BASNET" ],
    "organization" : "ORG-RT1-RIPE",
    "admin_contacts" : [ "KSV94-RIPE", "OAN3-RIPE" ],
    "tech_contacts" : [ "OAN3-RIPE", "OKM4-RIPE" ],
    "remarks" : [ "------------------------------------------------", "Uplinks", "AS20965 = GEANT; AS60280 = NTEC;", "------------------------------------------------", "IX", "AS35647 = BYIX-AS;", "------------------------------------------------", "Customers", "AS5498 = UNIBEL-AS; AS13171 = BSU; AS50934 = BNTU-of-Management-AS;", "AS60744 = ASITMOBY; AS199561 = MTZ-REC-AS; AS211089 = NCFM-AS;", "AS30945 = BAS-NET-TECHAS;", "---------------------------------------------", "------------------------------------------------", "---------------------------------------------", "--------------------------------------------------" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "RECIT-MNT" ],
    "date_created" : "2002-08-26",
    "date_updated" : "2026-03-05",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-RT1-RIPE",
    "name" : "State Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' (UIIP NASB)",
    "type" : "LIR",
    "address" : [ "Surganova St., 6", "220012", "Minsk", "BELARUS" ],
    "street" : "Surganova St.",
    "city" : "Minsk",
    "zip_code" : "220012",
    "country" : [ "BY" ],
    "phone" : [ "+375 17 2709229", "+375 17 2703175" ],
    "fax_no" : [ "+375 17 2707404" ],
    "admin_contacts" : [ "KSV94-RIPE", "OAN3-RIPE", "OKM4-RIPE" ],
    "tech_contacts" : [ "OAN3-RIPE", "OKM4-RIPE" ],
    "abuse_contacts" : [ "BA979-RIPE" ],
    "mnt_ref" : [ "RECIT-MNT", "RIPE-NCC-HM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "RECIT-MNT" ],
    "date_created" : "2004-04-17",
    "date_updated" : "2023-12-13",
    "source" : "RIPE",
    "addressCountry" : "BELARUS"
  },
  "administrative_contacts" : [ {
    "handle" : "KSV94-RIPE",
    "name" : "Siarhei V Kazlou",
    "address" : [ "National Academy of Sciences of Belarus", "United Institute of Informatics Problems", "Academicheskaya Street, 25", "220072, Minsk,Belarus" ],
    "street" : "Academicheskaya Street 25",
    "city" : "Minsk",
    "zip_code" : "220072",
    "country" : "BELARUS",
    "phone" : [ "+375 17 2706226" ],
    "fax_no" : [ "+375 17 2707404" ],
    "organizations" : [ "ORG-RT1-RIPE" ],
    "mnt_by" : [ "RECIT-MNT" ],
    "date_created" : "2013-04-17",
    "date_updated" : "2021-03-10",
    "source" : "RIPE",
    "addressCountry" : "BELARUS"
  }, {
    "handle" : "OAN3-RIPE",
    "name" : "Oleg A Nosylovsky",
    "address" : [ "National Academy of Sciences of Republic Belarus", "United Institute of Informatics Problems", "Academicheskaya Street 25", "220072 Minsk", "Belarus" ],
    "street" : "Academicheskaya Street 25",
    "city" : "Minsk",
    "zip_code" : "220072",
    "country" : "BELARUS",
    "phone" : [ "+375 17 2709229" ],
    "fax_no" : [ "+375 17 2707404" ],
    "organizations" : [ "ORG-RT1-RIPE" ],
    "remarks" : [ "------------------------------" ],
    "mnt_by" : [ "RECIT-MNT" ],
    "date_created" : "2003-03-18",
    "date_updated" : "2021-03-10",
    "source" : "RIPE",
    "addressCountry" : "BELARUS"
  } ],
  "technical_contacts" : [ {
    "handle" : "OAN3-RIPE",
    "name" : "Oleg A Nosylovsky",
    "address" : [ "National Academy of Sciences of Republic Belarus", "United Institute of Informatics Problems", "Academicheskaya Street 25", "220072 Minsk", "Belarus" ],
    "street" : "Academicheskaya Street 25",
    "city" : "Minsk",
    "zip_code" : "220072",
    "country" : "BELARUS",
    "phone" : [ "+375 17 2709229" ],
    "fax_no" : [ "+375 17 2707404" ],
    "organizations" : [ "ORG-RT1-RIPE" ],
    "remarks" : [ "------------------------------" ],
    "mnt_by" : [ "RECIT-MNT" ],
    "date_created" : "2003-03-18",
    "date_updated" : "2021-03-10",
    "source" : "RIPE",
    "addressCountry" : "BELARUS"
  }, {
    "handle" : "OKM4-RIPE",
    "name" : "Oleg K Moiseichuk",
    "address" : [ "National Academy of Sciences of Republic Belarus", "United Institute of Informatics Problems", "Academicheskaya Street 25", "220072 Minsk", "Belarus" ],
    "street" : "Academicheskaya Street 25",
    "city" : "Minsk",
    "zip_code" : "220072",
    "country" : "BELARUS",
    "phone" : [ "+375 17 2709229" ],
    "fax_no" : [ "+375 17 2707404" ],
    "remarks" : [ "------------------------------" ],
    "mnt_by" : [ "RECIT-MNT" ],
    "date_created" : "2016-04-29",
    "date_updated" : "2021-03-10",
    "source" : "RIPE",
    "addressCountry" : "BELARUS"
  } ]
}

Peers

AS Number	Description	Country
AS50934	Belarussian National Technical University	BY
AS35647	Republican Unitary Enterprise National Traffic Exchange Center	BY
AS60280	NTEC	BY
AS20965	GEANT Vereniging	NL
AS60280	Republican Unitary Enterprise National Traffic Exchange Center	BY
AS60744	A.V. Luikov Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus	BY
AS211089	Republican Unitary Enterprise National Export Promotion Centre	BY
AS13171	Belarusian State University	BY
AS30945	State Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' UIIP NASB	BY
AS30945	State Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Science	BY

Upstreams

AS Number	Description	Country
AS20965	GEANT Vereniging	NL
AS60280	Republican Unitary Enterprise National Traffic Exchange Center	BY

Downstreams

AS Number	Description	Country
AS50934	Belarussian National Technical University	BY
AS60744	A.V. Luikov Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus	BY
AS30945	State Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' UIIP NASB	BY
AS5498	Institution Central Information and Analytical Center at the Ministry of Education of Belarus	BY
AS199561	Open Joint Stock Company 'Minsk Tractor Works'	BY

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