AS42753 Sergey Cherentayev 🇷🇺 RU

Announcing 1 prefixes, seen at the RIS collectors.

IPv4 prefixes

2,048 (8 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS42753
Name: Sergey Cherentayev
Organisation: Sergey Cherentayev
Country: 🇷🇺 RU
RIR: RIPENCC
Allocated: 2007-04-11

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 1 no ROA (100.0%)

Whois

Fetched from whois.ripe.net

as-block:       AS42383 - AS42953
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:        2026-06-23T05:12:23Z
last-modified:  2026-06-23T05:12:23Z
source:         RIPE

aut-num:        AS42753
as-name:        MTK-ERA-AS
org:            ORG-SC948-RIPE
import:         from AS35768 action pref=200; accept ANY
import:         from AS52168 action pref=300; accept AS52168
export:         to AS35768 announce AS-MTK-ERA
export:         to AS52168 announce ANY
default:        to AS35768 action pref=200; networks ANY
admin-c:        SCI20-RIPE
tech-c:         DK7052-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-ru-sergey2-1-MNT
created:        2007-04-11T13:57:05Z
last-modified:  2025-05-05T16:23:05Z
source:         RIPE

organisation:   ORG-SC948-RIPE
org-name:       Sergey Cherentayev
country:        RU
reg-nr:         Not Applicable
org-type:       LIR
address:        Prospect Roketostroiteley house 5 building 1
address:        141701
address:        Moscow region, Dolgoprudny
address:        RUSSIAN FEDERATION
phone:          +7 985-711 93 25
admin-c:        SCI20-RIPE
admin-c:        DK7052-RIPE
tech-c:         SCI20-RIPE
tech-c:         DK7052-RIPE
abuse-c:        AR69582-RIPE
mnt-ref:        lir-ru-sergey2-1-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         lir-ru-sergey2-1-MNT
created:        2022-12-29T09:01:43Z
last-modified:  2026-05-13T07:05:18Z
source:         RIPE # Filtered

role:           Sergey Cherentayev Ivanovich
address:        RUSSIAN FEDERATION
address:        Moscow region, Dolgoprudny
address:        141701
address:        Prospect Roketostroiteley house 5 building 1
phone:          +79857119325
nic-hdl:        SCI20-RIPE
mnt-by:         lir-ru-sergey2-1-MNT
created:        2022-12-29T09:01:41Z
last-modified:  2023-07-25T13:16:04Z
source:         RIPE # Filtered

person:         Dmitry Kolmakov
address:        Moscow, Duhovskoy per. 20A
remarks:        phone:          +7(495)7484838
phone:          +7(495)7484838
nic-hdl:        DK7052-RIPE
mnt-by:         MSLINK-MNT
created:        2005-10-19T13:35:34Z
last-modified:  2017-10-30T21:47:06Z
source:         RIPE # Filtered
remarks:        modified for Russian phone area changes