ASN AS31738 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS31738?

AS31738 is listed under LLC NRTSDO.

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?

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AS31738 LLC NRTSDO | IPGeolocation.io

LLC NRTSDO n-sk.ru

RU 3 Routes

AS Data

AS31738

AS31738 – LLC NRTSDO

AS Number	31738
AS Name	NRCDE-AS
Organization	LLC NRTSDO (org-nrcd1-ripe)
Country	RU
Website	n-sk.ru
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2004-07-29

ASN Intelligence API for production workflows

Use ASN data for AS31738 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
195.62.6.0/23	AS31738	LLC NRTSDO	Tarpan Ltd	512
195.62.0.0/23	AS31738	LLC NRTSDO	LLC NRTSDO	512
195.62.2.0/23	AS31738	LLC NRTSDO	JSC Interface	512

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 'AS31620 - AS31743'

as-block:       AS31620 - AS31743
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:        2018-11-22T15:27:33Z
last-modified:  2018-11-22T15:27:33Z
source:         RIPE

% Information related to 'AS31738'

% Abuse contact for 'AS31738' is 'abuse@n-sk.ru'

aut-num:        AS31738
as-name:        NRCDE-AS
org:            ORG-NRCD1-RIPE
remarks:        === Uplinks ===
import:         from AS20485 action pref=100; accept ANY;
export:         to AS20485 announce AS31738
import:         from AS29147 action pref=100; accept ANY;
export:         to AS29147 announce AS31738
default:        to AS20485
remarks:        === Local ===
import:         from AS29147 action pref=200; accept AS29147;
export:         to AS29147 announce AS31738
mp-import:      afi ipv6 from AS29147 action pref=120; accept AS29147;
mp-export:      afi ipv6 to AS29147 announce AS31738
remarks:        +-------------------------------------------------+
remarks:        | NSK-IX Novosibirsk Internet Exchange Point |
remarks:        | AS31738 at 193.232.87.36 |
remarks:        | at 2001:7F8:20:401::87:36 |
remarks:        +-------------------------------------------------+
remarks:        - NSC -
import:         from AS5387 193.232.87.38 action pref=120; accept ANY;
export:         to AS5387 announce AS-NSTU
remarks:        - Rostelecom Northwest Siberia-
import:         from AS12389 193.232.87.43 action pref=120; accept ANY;
export:         to AS12389 announce AS-NSTU
mp-import:      afi ipv6 from AS12389 action pref=120; accept ANY;
mp-export:      afi ipv6 to AS12389 announce AS-NSTU
remarks:        - Novotelecom -
import:         from AS31200 193.232.87.50 action pref=120; accept ANY;
export:         to AS31200 announce AS-NSTU
remarks:        - Runnet -
import:         from AS3267 193.232.87.52 action pref=120; accept ANY;
export:         to AS3267 announce AS-NSTU
remarks:        - Milekom -
import:         from AS48858 193.232.87.58 action pref=120; accept ANY;
export:         to AS48858 announce AS-NSTU
remarks:        - SibirNetworks -
import:         from AS34757 193.232.87.61 action pref=120; accept ANY;
export:         to AS34757 announce AS-NSTU
remarks:        - Comgate -
import:         from AS41787 193.232.87.63 action pref=120; accept ANY;
export:         to AS41787 announce AS-NSTU
remarks:        - RS -
import:         from AS42403 193.232.87.100 action pref=120; accept ANY;
import:         from AS42403 193.232.87.200 action pref=120; accept ANY;
export:         to AS42403 announce AS-NSTU
mp-import:      afi ipv6 from AS42403 action pref=120; accept ANY;
mp-export:      afi ipv6 to AS42403 announce AS-NSTU
remarks:        --- ---
admin-c:        ASB5-RIPE
admin-c:        MVS447-RIPE
admin-c:        DVK35-RIPE
admin-c:        AVB128-RIPE
tech-c:         ASB5-RIPE
tech-c:         MVS447-RIPE
tech-c:         DVK35-RIPE
tech-c:         AVB128-RIPE
status:         ASSIGNED
mnt-by:         NSTU-MNT
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         INFR-MNT
created:        2004-07-29T09:37:32Z
last-modified:  2024-01-29T09:00:04Z
source:         RIPE
sponsoring-org: ORG-CR1-RIPE

organisation:   ORG-NRCD1-RIPE
org-name:       LLC "NRTSDO"
country:        RU
org-type:       OTHER
address:        30, Karl Marx avenue, 610
address:        Novosibirsk, 630087
address:        Russia
phone:          +7 383 3460455
admin-c:        SVM11-RIPE
admin-c:        MVS447-RIPE
admin-c:        ASB5-RIPE
tech-c:         ASB5-RIPE
tech-c:         MVS447-RIPE
abuse-c:        ANSK2-RIPE
mnt-ref:        NSTU-MNT
mnt-by:         NSTU-MNT
created:        2004-06-25T12:31:17Z
last-modified:  2024-03-13T09:03:11Z
source:         RIPE # Filtered

person:         Anvar S Bagautdinov
address:        Novosibirsk State Technical University
address:        Office I-305
address:        20, Karl Marks ave
address:        Novosibirsk, 630092
address:        RUSSIA
phone:          +7 383 3462484
fax-no:         +7 383 3460500
nic-hdl:        ASB5-RIPE
remarks:        Network specialist
mnt-by:         NSTU-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2007-06-07T10:40:45Z
source:         RIPE # Filtered

person:         Aleksey V. Bayguzov
address:        Novosibirsk State Technical University
address:        Office I-305
address:        20, Karl Marx Avenue
address:        Novosibirsk, 630092
address:        RUSSIA
phone:          +7 383 3462484
fax-no:         +7 383 3460500
nic-hdl:        AVB128-RIPE
remarks:        Network specialist
mnt-by:         NSTU-MNT
created:        2006-06-09T05:04:59Z
last-modified:  2006-06-09T06:14:40Z
source:         RIPE # Filtered

person:         Eugeny V Karnaukhov
address:        Novosibirsk State Technical University
address:        Office I-308
address:        20, Karl Marx Avenue
address:        Novosibirsk, 630092
address:        RUSSIA
phone:          +7 383 3462484
fax-no:         +7 383 3460500
remarks:        Network specialist
nic-hdl:        DVK35-RIPE
mnt-by:         NSTU-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2005-07-05T03:37:14Z
source:         RIPE # Filtered

person:         Maxim V Solodukha
address:        Novosibirsk State Technical University
address:        Office I-305
address:        20, Karl Marks ave
address:        Novosibirsk, 630073
address:        RUSSIA
phone:          +7 383 3462484
fax-no:         +7 383 3196110
nic-hdl:        MVS447-RIPE
remarks:        Network specialist
mnt-by:         NSTU-MNT
created:        2022-11-22T13:23:53Z
last-modified:  2024-03-13T09:08:54Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS31620 - AS31743",
    "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" : "AS31738",
    "as_name" : "NRCDE-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS20485 action pref=100; accept ANY;", "from AS29147 action pref=100; accept ANY;", "from AS29147 action pref=200; accept AS29147;", "from AS5387 193.232.87.38 action pref=120; accept ANY;", "from AS12389 193.232.87.43 action pref=120; accept ANY;", "from AS31200 193.232.87.50 action pref=120; accept ANY;", "from AS3267 193.232.87.52 action pref=120; accept ANY;", "from AS48858 193.232.87.58 action pref=120; accept ANY;", "from AS34757 193.232.87.61 action pref=120; accept ANY;", "from AS41787 193.232.87.63 action pref=120; accept ANY;", "from AS42403 193.232.87.100 action pref=120; accept ANY;", "from AS42403 193.232.87.200 action pref=120; accept ANY;" ],
    "mp_import" : [ "afi ipv6 from AS29147 action pref=120; accept AS29147;", "afi ipv6 from AS12389 action pref=120; accept ANY;", "afi ipv6 from AS42403 action pref=120; accept ANY;" ],
    "export" : [ "to AS20485 announce AS31738", "to AS29147 announce AS31738", "to AS29147 announce AS31738", "to AS5387 announce AS-NSTU", "to AS12389 announce AS-NSTU", "to AS31200 announce AS-NSTU", "to AS3267 announce AS-NSTU", "to AS48858 announce AS-NSTU", "to AS34757 announce AS-NSTU", "to AS41787 announce AS-NSTU", "to AS42403 announce AS-NSTU" ],
    "mp_export" : [ "afi ipv6 to AS29147 announce AS31738", "afi ipv6 to AS12389 announce AS-NSTU", "afi ipv6 to AS42403 announce AS-NSTU" ],
    "default" : [ "to AS20485" ],
    "organization" : "ORG-NRCD1-RIPE",
    "sponsoring_organization" : "ORG-CR1-RIPE",
    "admin_contacts" : [ "ASB5-RIPE", "MVS447-RIPE", "DVK35-RIPE", "AVB128-RIPE" ],
    "tech_contacts" : [ "ASB5-RIPE", "MVS447-RIPE", "DVK35-RIPE", "AVB128-RIPE" ],
    "remarks" : [ "=== Uplinks ===", "=== Local ===", "+-------------------------------------------------+", "| NSK-IX Novosibirsk Internet Exchange Point |", "| AS31738 at 193.232.87.36 |", "| at 2001:7F8:20:401::87:36 |", "+-------------------------------------------------+", "- NSC -", "- Rostelecom Northwest Siberia-", "- Novotelecom -", "- Runnet -", "- Milekom -", "- SibirNetworks -", "- Comgate -", "- RS -", "--- ---" ],
    "mnt_by" : [ "NSTU-MNT", "RIPE-NCC-END-MNT", "INFR-MNT" ],
    "date_created" : "2004-07-29",
    "date_updated" : "2024-01-29",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-NRCD1-RIPE",
    "name" : "LLC \"NRTSDO\"",
    "type" : "OTHER",
    "address" : [ "30, Karl Marx avenue, 610", "Novosibirsk, 630087", "Russia" ],
    "street" : "Karl Marx Avenue 610",
    "city" : "Novosibirsk",
    "zip_code" : "630087",
    "country" : [ "RU" ],
    "phone" : [ "+7 383 3460455" ],
    "admin_contacts" : [ "SVM11-RIPE", "MVS447-RIPE", "ASB5-RIPE" ],
    "tech_contacts" : [ "ASB5-RIPE", "MVS447-RIPE" ],
    "abuse_contacts" : [ "ANSK2-RIPE" ],
    "mnt_ref" : [ "NSTU-MNT" ],
    "mnt_by" : [ "NSTU-MNT" ],
    "date_created" : "2004-06-25",
    "date_updated" : "2024-03-13",
    "source" : "RIPE",
    "addressCountry" : "RUSSIA"
  },
  "administrative_contacts" : [ {
    "handle" : "ASB5-RIPE",
    "name" : "Anvar S Bagautdinov",
    "address" : [ "Novosibirsk State Technical University", "Office I-305", "20, Karl Marks ave", "Novosibirsk, 630092", "RUSSIA" ],
    "street" : "Karl Marks Ave",
    "city" : "Novosibirsk",
    "zip_code" : "630092",
    "country" : "RUSSIA",
    "phone" : [ "+7 383 3462484" ],
    "fax_no" : [ "+7 383 3460500" ],
    "remarks" : [ "Network specialist" ],
    "mnt_by" : [ "NSTU-MNT" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2007-06-07",
    "source" : "RIPE",
    "addressCountry" : "RUSSIA"
  }, {
    "handle" : "MVS447-RIPE",
    "name" : "Maxim V Solodukha",
    "address" : [ "Novosibirsk State Technical University", "Office I-305", "20, Karl Marks ave", "Novosibirsk, 630073", "RUSSIA" ],
    "street" : "Karl Marks Ave",
    "city" : "Novosibirsk",
    "zip_code" : "630073",
    "country" : "RUSSIA",
    "phone" : [ "+7 383 3462484" ],
    "fax_no" : [ "+7 383 3196110" ],
    "remarks" : [ "Network specialist" ],
    "mnt_by" : [ "NSTU-MNT" ],
    "date_created" : "2022-11-22",
    "date_updated" : "2024-03-13",
    "source" : "RIPE",
    "addressCountry" : "RUSSIA"
  }, {
    "handle" : "DVK35-RIPE",
    "name" : "Eugeny V Karnaukhov",
    "address" : [ "Novosibirsk State Technical University", "Office I-308", "20, Karl Marx Avenue", "Novosibirsk, 630092", "RUSSIA" ],
    "street" : "Karl Marx Avenue",
    "city" : "Novosibirsk",
    "zip_code" : "630092",
    "country" : "RUSSIA",
    "phone" : [ "+7 383 3462484" ],
    "fax_no" : [ "+7 383 3460500" ],
    "remarks" : [ "Network specialist" ],
    "mnt_by" : [ "NSTU-MNT" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2005-07-05",
    "source" : "RIPE",
    "addressCountry" : "RUSSIA"
  }, {
    "handle" : "AVB128-RIPE",
    "name" : "Aleksey V. Bayguzov",
    "address" : [ "Novosibirsk State Technical University", "Office I-305", "20, Karl Marx Avenue", "Novosibirsk, 630092", "RUSSIA" ],
    "street" : "Karl Marx Avenue",
    "city" : "Novosibirsk",
    "zip_code" : "630092",
    "country" : "RUSSIA",
    "phone" : [ "+7 383 3462484" ],
    "fax_no" : [ "+7 383 3460500" ],
    "remarks" : [ "Network specialist" ],
    "mnt_by" : [ "NSTU-MNT" ],
    "date_created" : "2006-06-09",
    "date_updated" : "2006-06-09",
    "source" : "RIPE",
    "addressCountry" : "RUSSIA"
  } ],
  "technical_contacts" : [ {
    "handle" : "ASB5-RIPE",
    "name" : "Anvar S Bagautdinov",
    "address" : [ "Novosibirsk State Technical University", "Office I-305", "20, Karl Marks ave", "Novosibirsk, 630092", "RUSSIA" ],
    "street" : "Karl Marks Ave",
    "city" : "Novosibirsk",
    "zip_code" : "630092",
    "country" : "RUSSIA",
    "phone" : [ "+7 383 3462484" ],
    "fax_no" : [ "+7 383 3460500" ],
    "remarks" : [ "Network specialist" ],
    "mnt_by" : [ "NSTU-MNT" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2007-06-07",
    "source" : "RIPE",
    "addressCountry" : "RUSSIA"
  }, {
    "handle" : "MVS447-RIPE",
    "name" : "Maxim V Solodukha",
    "address" : [ "Novosibirsk State Technical University", "Office I-305", "20, Karl Marks ave", "Novosibirsk, 630073", "RUSSIA" ],
    "street" : "Karl Marks Ave",
    "city" : "Novosibirsk",
    "zip_code" : "630073",
    "country" : "RUSSIA",
    "phone" : [ "+7 383 3462484" ],
    "fax_no" : [ "+7 383 3196110" ],
    "remarks" : [ "Network specialist" ],
    "mnt_by" : [ "NSTU-MNT" ],
    "date_created" : "2022-11-22",
    "date_updated" : "2024-03-13",
    "source" : "RIPE",
    "addressCountry" : "RUSSIA"
  }, {
    "handle" : "DVK35-RIPE",
    "name" : "Eugeny V Karnaukhov",
    "address" : [ "Novosibirsk State Technical University", "Office I-308", "20, Karl Marx Avenue", "Novosibirsk, 630092", "RUSSIA" ],
    "street" : "Karl Marx Avenue",
    "city" : "Novosibirsk",
    "zip_code" : "630092",
    "country" : "RUSSIA",
    "phone" : [ "+7 383 3462484" ],
    "fax_no" : [ "+7 383 3460500" ],
    "remarks" : [ "Network specialist" ],
    "mnt_by" : [ "NSTU-MNT" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2005-07-05",
    "source" : "RIPE",
    "addressCountry" : "RUSSIA"
  }, {
    "handle" : "AVB128-RIPE",
    "name" : "Aleksey V. Bayguzov",
    "address" : [ "Novosibirsk State Technical University", "Office I-305", "20, Karl Marx Avenue", "Novosibirsk, 630092", "RUSSIA" ],
    "street" : "Karl Marx Avenue",
    "city" : "Novosibirsk",
    "zip_code" : "630092",
    "country" : "RUSSIA",
    "phone" : [ "+7 383 3462484" ],
    "fax_no" : [ "+7 383 3460500" ],
    "remarks" : [ "Network specialist" ],
    "mnt_by" : [ "NSTU-MNT" ],
    "date_created" : "2006-06-09",
    "date_updated" : "2006-06-09",
    "source" : "RIPE",
    "addressCountry" : "RUSSIA"
  } ]
}

Peers

AS Number	Description	Country
AS29147	State Educational Enterprise of Higher Professional Education Novosibirsk State Technical University	RU
AS5387	Computational technologies consulting LLC	RU
AS12389	PJSC Rostelecom	RU
AS42403	Join stock company Internet ExchangeMSK IX	RU
AS3267	SCIENTIFIC RESEARCH INSTITUTE FOR SYSTEM ANALYSIS OF THE NATIONAL RESEARCH CENTRE KURCHATOV INSTITUTE	RU
AS20485	Joint Stock Company TransTeleCom	RU
AS48858	JSC ER Telecom Holding	RU
AS31200	Novotelecom Ltd	RU
AS41787	Online City LLC	RU
AS34757	Sibirskie Seti Ltd.	RU

Upstreams

AS Number	Description	Country
AS29147	State Educational Enterprise of Higher Professional Education Novosibirsk State Technical University	RU
AS20485	Joint Stock Company TransTeleCom	RU

ASN Lookup Tool

ASN Summary