AS57903 Comfort XXI Century Ltd. 🇷🇺 RU

Announcing 2 prefixes, seen at the RIS collectors.

IPv4 prefixes

1,280 (5 × /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: AS57903
Name: Comfort XXI Century Ltd.
Organisation: Comfort XXI Century Ltd.
Country: 🇷🇺 RU
RIR: RIPENCC
Allocated: 2012-03-08

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

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

Whois

Fetched from whois.ripe.net

as-block:       AS57370 - AS57951
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:        2026-09-18T08:10:57Z
last-modified:  2026-09-18T08:10:57Z
source:         RIPE

aut-num:        AS57903
as-name:        IPSERVICE
org:            ORG-CXCL1-RIPE
import:         from AS6789 action pref=120; accept ANY
import:         from AS57903 accept AS57903
import:         from AS21011 action pref=120; accept ANY
export:         to AS6789 announce AS57903
export:         to AS21011 announce AS57903
export:         to AS57903 announce AS-CRIMEA-IX
admin-c:        SV6278-RIPE
tech-c:         SV6278-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ru-comfort-1-mnt
created:        2012-03-08T12:55:34Z
last-modified:  2021-12-06T07:28:27Z
source:         RIPE

organisation:   ORG-CXCL1-RIPE
org-name:       Comfort XXI Century Ltd.
country:        RU
reg-nr:         1149102025643
org-type:       LIR
address:        STREET ZOI ZHILTSOVA, D. 15, ROOM 40
address:        295017
address:        SIMFEROPOL, Republic of Crimea
address:        RUSSIAN FEDERATION
phone:          +7 918 260 60 18
phone:          +7 978 858 30 30
admin-c:        SV6278-RIPE
tech-c:         DM13652-RIPE
tech-c:         AL13183-RIPE
tech-c:         AP24440-RIPE
tech-c:         YA58304-RIPE
abuse-c:        AR32799-RIPE
mnt-ref:        ru-comfort-1-mnt
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         ru-comfort-1-mnt
created:        2015-07-06T14:10:54Z
last-modified:  2026-10-16T09:06:30Z
source:         RIPE # Filtered

person:         Shirokih Vera
address:        School 7, village Perovo
address:        297560
address:        Republic of Crimea
address:        RUSSIAN FEDERATION
phone:          +7 978 858 30 30
nic-hdl:        SV6278-RIPE
mnt-by:         ru-comfort-1-mnt
created:        2015-07-06T14:10:53Z
last-modified:  2015-07-06T14:10:54Z
source:         RIPE