ResearchRouting table, RPKI, IRR & looking glass

AS44534 YANDEX LLC

AS44534 (yandex-office) is registered to YANDEX LLC in RU, through RIPE. It originates 23 prefixes in the global routing table.

16
IPv4 prefixes
7
IPv6 prefixes
11,264
IPv4 addresses
100%
RPKI valid

Who holds AS44534

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS44534
Handle
yandex-office
Organization
YANDEX LLC
Country
RU
Registry
RIPE
ASPA
4 providers
WHOIS recordRIPE
% 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 'AS44170 - AS44569'

as-block:       AS44170 - AS44569
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:        2025-01-27T15:33:09Z
last-modified:  2025-01-27T15:33:09Z
source:         RIPE

% Information related to 'AS44534'

% Abuse contact for 'AS44534' is 'abuse@yandex.ru'

aut-num:        AS44534
as-name:        yandex-office
org:            ORG-YA1-RIPE
import:         from AS31133 accept ANY
export:         to AS31133 announce AS44534
import:         from AS8359 accept ANY
export:         to AS8359 announce AS44534
import:         from AS9002 accept ANY
export:         to AS9002 announce AS44534
import:         from AS13238 accept AS13238
export:         to AS13238 announce ANY
admin-c:        YNDX1-RIPE
tech-c:         YNDX1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         YANDEX-MNT
created:        2022-04-06T13:24:34Z
last-modified:  2023-01-23T16:06:04Z
source:         RIPE

organisation:   ORG-YA1-RIPE
org-name:       YANDEX LLC
country:        RU
reg-nr:         1027700229193
org-type:       LIR
address:        LVA TOLSTOY STREET, 16
address:        119021
address:        Moscow
address:        RUSSIAN FEDERATION
phone:          +74957397000
fax-no:         +74957397070
admin-c:        YNDX1-RIPE
tech-c:         YNDX1-RIPE
abuse-c:        YAH6-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        YANDEX-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         YANDEX-MNT
created:        2004-04-22T14:39:02Z
last-modified:  2026-05-13T07:26:24Z
source:         RIPE # Filtered

role:           Yandex LLC Network Operations
address:        Yandex LLC
address:        16, Leo Tolstoy St.
address:        119021
address:        Moscow
address:        Russian Federation
phone:          +7 495 739 7000
fax-no:         +7 495 739 7070
remarks:        trouble: ------------------------------------------------------
remarks:        trouble: Points of contact for Yandex LLC Network Operations
remarks:        trouble: ------------------------------------------------------
remarks:        trouble: Routing and peering issues: noc@yandex.net
remarks:        trouble: SPAM issues:                abuse@yandex.ru
remarks:        trouble: Network security issues:    abuse@yandex.ru
remarks:        trouble: Mail issues:                postmaster@yandex.ru
remarks:        trouble: General information:        info@yandex.ru
remarks:        trouble: ------------------------------------------------------
admin-c:        MK24579-RIPE
tech-c:         EM3673-RIPE
tech-c:         AUR2-RIPE
nic-hdl:        YNDX1-RIPE
mnt-by:         YANDEX-MNT
created:        2002-06-07T05:35:50Z
last-modified:  2025-12-30T09:47:31Z
source:         RIPE # Filtered
abuse-mailbox:  abuse@yandex.ru

% This query was served by the RIPE Database Query Service version 1.124.1 (ABERDEEN)


What AS44534 announces

Prefixes originated by AS44534 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
16
IPv6 prefixes
7
IPv4 addresses
11,264 (44 /24s)
RPKI valid
23 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS44534
40
With an IRR route object
23 100%

Who AS44534 is reached through

The AS just before AS44534 in the paths our looking glass collectors hold, for 23 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS44534 publishes an ASPA naming these providers. Check a path.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RIPEyandex-officeRIPE-NCC-END-MNT, YANDEX-MNT

Route objects with origin AS44534: RIPE 66

as-sets that list AS44534 (14)