AS Number
AS201666
AS Name
YSSOFT
Org Name
Yoonsu Son trading as YSSOFT
Registry

ripe

RegDate

Updated

2026-04-08T13:28:00Z

AS201666 Looking Glass
IPv4Prefixes

0

IPv6Prefixes

2

IPv4 NUMs

0

IPv6 NUMs(/64)

268,500,992

0 IPv4 Addresses
CIDR Description IP NUMs(prefix /64)
2607:eb40:6000::/36
IRR InValid
Tefexia LC 268435456
2a06:9801:16::/48
ROA Signed and Valid IRR InValid
Yoonsu Son trading as YSSOFT 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS209735 LAGRANGE - Lagrange Cloud Technologies Limited, GB United Kingdom 512 393,216 IPv6 IPv6
as-block:       AS200537 - AS203022
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:        2026-04-08T13:28:00Z
last-modified:  2026-04-08T13:28:00Z
source:         RIPE



aut-num:        AS201666
as-name:        YSSOFT
org:            ORG-YSTA2-RIPE
sponsoring-org: ORG-LCTL2-RIPE
import:         from AS216425 accept ANY
export:         to AS216425 announce AS201666
import:         from AS209735 accept ANY
export:         to AS209735 announce AS201666
admin-c:        YS2368-RIPE
tech-c:         YS2368-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         YOONSU-SON-MNT
created:        2026-02-04T15:02:47Z
last-modified:  2026-02-04T15:02:47Z
source:         RIPE

organisation:   ORG-YSTA2-RIPE
org-name:       Yoonsu Son trading as YSSOFT
org-type:       OTHER
address:        604-G12, 1068, Hyohaeng-ro, Hwaseong-si, Gyeonggi-do, 18405, KR
country:        KR
reg-nr:         Not Applicable
e-mail:         operation@ys-soft.kr
abuse-c:        ACRO62283-RIPE
mnt-ref:        lagrange_cloud-MNT
created:        2026-02-02T15:10:31Z
last-modified:  2026-05-13T06:08:31Z
source:         RIPE
mnt-by:         YOONSU-SON-MNT

person:         Yoonsu Son
address:        604-G12, 1068, Hyohaeng-ro, Hwaseong-si, Gyeonggi-do, 18405, KR
phone:          +82 10 7346 9398
nic-hdl:        YS2368-RIPE
mnt-by:         YOONSU-SON-MNT
created:        2025-11-05T04:15:16Z
last-modified:  2025-11-05T04:55:31Z
source:         RIPE