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AS WHOIS

Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.

Your public IP address216.73.217.120 IPv4

AS21274

BAS-NET-AS State Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' (UIIP NASB) Announcing routes
AS nameBAS-NET-AS
OrganisationState Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' (UIIP NASB)
Registry (RIR)RIPE NCC
HandleAS21274
RangeAS21274
Registered26 Aug 2002
Last changed05 Mar 2026
Abuse contact[email protected]
1IPv4 prefixes
1IPv6 prefixes
2Upstreams
5Downstreams

Upstreams

ASNetwork nameVisibility
AS60280NTEC Republican Unitary Enterprise "National Traffic Exchange Center"1054
AS20965GEANT GEANT Vereniging29

Downstreams

ASNetwork nameVisibility
AS5498UNIBEL-AS Institution Central Information and Analytical Center at the Ministry of Education of Belarus326
AS60744ASITMOBY A.V. Luikov Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus166
AS50934BNTU-of-Management-AS Belarussian National Technical University165
AS30945BAS-NET-TECHAS State Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' (UIIP NASB)164
AS199561MTZ-REC-AS Open Joint Stock Company 'Minsk Tractor Works'11
IPv4 prefixes (1)
IPv6 prefixes (1)

RPKI-validate all prefixes of AS21274

Contacts

RoleNameHandleEmail / phoneAddress
administrativeSiarhei V KazlouKSV94-RIPE+375 17 2706226, +375 17 2707404National Academy of Sciences of Belarus, United Institute of Informatics Problems, Academicheskaya Street, 25, 220072, Minsk,Belarus
administrative, technicalOleg A NosylovskyOAN3-RIPE+375 17 2709229, +375 17 2707404National Academy of Sciences of Republic Belarus, United Institute of Informatics Problems, Academicheskaya Street 25, 220072 Minsk, Belarus
technicalOleg K MoiseichukOKM4-RIPE+375 17 2709229, +375 17 2707404National Academy of Sciences of Republic Belarus, United Institute of Informatics Problems, Academicheskaya Street 25, 220072 Minsk, Belarus
registrantState Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' (UIIP NASB)ORG-RT1-RIPE+375 17 2709229, +375 17 2703175, +375 17 2707404Surganova St., 6, 220012, Minsk, BELARUS
registrantRECIT-MNTRECIT-MNT
registrantRIPE-NCC-END-MNTRIPE-NCC-END-MNT
abuseBASNET AbuseBA979-RIPE[email protected], +375 17 2702628, +375 17 2707404United Institute of Informatics Problems of National Academy of Sciences of Belarus(UIIP NASB), Surganova St., 6, 220072 Minsk, Belarus
administrativeSiarhei V KazlouKSV94-RIPE+375 17 2706226, +375 17 2707404National Academy of Sciences of Belarus, United Institute of Informatics Problems, Academicheskaya Street, 25, 220072, Minsk,Belarus
administrative, technicalOleg A NosylovskyOAN3-RIPE+375 17 2709229, +375 17 2707404National Academy of Sciences of Republic Belarus, United Institute of Informatics Problems, Academicheskaya Street 25, 220072 Minsk, Belarus
technicalOleg K MoiseichukOKM4-RIPE+375 17 2709229, +375 17 2707404National Academy of Sciences of Republic Belarus, United Institute of Informatics Problems, Academicheskaya Street 25, 220072 Minsk, Belarus
registrantState Scientific Enterprise 'United Institute of Informatics Problems of National Academy of Sciences of Belarus' (UIIP NASB)ORG-RT1-RIPE+375 17 2709229, +375 17 2703175, +375 17 2707404Surganova St., 6, 220012, Minsk, BELARUS
registrantRECIT-MNTRECIT-MNT
Raw registry response
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            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS21274",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/21274",
            "rel": "rdap-top rdap-active",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS21274?status=active",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/21274",
            "rel": "rdap-bottom",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-bottom/AS21274",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/21274",
            "rel": "self",
            "href": "https://rdap.db.ripe.net/autnum/21274",
            "type": "application/rdap+json"
        },
        {
            "value": "http://www.ripe.net/data-tools/support/documentation/terms",
            "rel": "copyright",
            "href": "http://www.ripe.net/data-tools/support/documentation/terms"
        }
    ],
    "events": [
        {
            "eventAction": "registration",
            "eventDate": "2002-08-26T09:56:36Z"
        },
        {
            "eventAction": "last changed",
            "eventDate": "2026-03-05T11:35:08Z"
        }
    ],
    "rdapConformance": [
        "nro_rdap_profile_asn_flat_0",
        "rirSearch1",
        "autnums",
        "cidr0",
        "rdap_level_0",
        "nro_rdap_profile_0",
        "redacted"
    ],
    "notices": [
        {
            "title": "Filtered",
            "description": [
                "This output has been filtered."
            ]
        },
        {
            "title": "Whois Inaccuracy Reporting",
            "description": [
                "If you see inaccuracies in the results, please visit:"
            ],
            "links": [
                {
                    "value": "https://rdap.db.ripe.net/autnum/21274",
                    "rel": "inaccuracy-report",
                    "href": "https://www.ripe.net/contact-form?topic=ripe_dbm&show_form=true",
                    "type": "text/html"
                }
            ]
        },
        {
            "title": "Source",
            "description": [
                "Objects returned came from source",
                "RIPE"
            ]
        },
        {
            "title": "Terms and Conditions",
            "description": [
                "This is the RIPE Database query service. The objects are in RDAP format."
            ],
            "links": [
                {
                    "value": "https://rdap.db.ripe.net/autnum/21274",
                    "rel": "terms-of-service",
                    "href": "http://www.ripe.net/db/support/db-terms-conditions.pdf",
                    "type": "application/pdf"
                }
            ]
        }
    ],
    "port43": "whois.ripe.net",
    "objectClassName": "autnum",
    "redacted": [
        {
            "name": {
                "description": "Personal e-mail information"
            },
            "reason": {
                "description": "Personal data"
            },
            "prePath": "$.entities[?(@.handle=='KSV94-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
            "method": "removal"
        },
        {
            "name": {
                "description": "Personal e-mail information"
            },
            "reason": {
                "description": "Personal data"
            },
            "prePath": "$.entities[?(@.handle=='OAN3-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
            "method": "removal"
        },
        {
            "name": {
                "description": "Personal e-mail information"
            },
            "reason": {
                "description": "Personal data"
            },
            "prePath": "$.entities[?(@.handle=='OKM4-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
            "method": "removal"
        },
        {
            "name": {
                "description": "Personal e-mail information"
            },
            "reason": {
                "description": "Personal data"
            },
            "prePath": "$.entities[?(@.handle=='ORG-RT1-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
            "method": "removal"
        },
        {
            "name": {
                "description": "Personal e-mail information"
            },
            "reason": {
                "description": "Personal data"
            },
            "prePath": "$.entities[?(@.handle=='BA979-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
            "method": "removal"
        }
    ]
}

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