AS149423 Yu-Shan Tsai 🇹🇼 TW

Announcing 1 prefixes, seen at the RIS collectors.

IPv4 prefixes

IPv6 prefixes

16 × /48

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS149423
Name: Yu-Shan Tsai
Organisation: Yu-Shan Tsai
Country: 🇹🇼 TW
RIR: APNIC
Allocated: 2022-01-07
Network type: Network Services
Scope: Not Disclosed
Peering policy: Open
IRR as-set: AS-CHUMMY
Website: https://www.chummydns.com
PeeringDB: net/29199

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.apnic.net

as-block:       AS148794 - AS149817
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2022-03-31T08:59:29Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2026-08-26T00:40:00Z
source:         APNIC

aut-num:        AS149423
as-name:        CHUMMY-AS-TW
descr:          Yu-Shan Tsai
country:        TW
org:            ORG-YT2-AP
sponsoring-org: ORG-YA13-AP
admin-c:        CT1512-AP
tech-c:         CT1512-AP
abuse-c:        AC2525-AP
mnt-routes:     MAINT-CHUMMY-TW
mnt-by:         APNIC-HM
mnt-irt:        IRT-CHUMMY-TW
last-modified:  2023-09-05T04:20:59Z
source:         APNIC

irt:            IRT-CHUMMY-TW
address:        No. 1, Dasyue Rd, East District, Tainan City, Taiwan 701
e-mail:         jimmy012403976@gmail.com
abuse-mailbox:  jimmy012403976@gmail.com
admin-c:        CT1512-AP
tech-c:         CT1512-AP
auth:           # Filtered
remarks:        jimmy012403976@gmail.com was validated on 2026-09-29
mnt-by:         MAINT-CHUMMY-TW
last-modified:  2026-09-29T13:55:02Z
source:         APNIC

organisation:   ORG-YT2-AP
org-name:       Yu-Shan Tsai
org-type:       OTHER
address:        No. 1, Dasyue Rd, East District, Tainan City, Taiwan 701
country:        TW
phone:          +886-978-351-358
e-mail:         jimmy012403976@gmail.com
admin-c:        CT1512-AP
tech-c:         CT1512-AP
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T04:20:57Z
source:         APNIC

role:           ABUSE CHUMMYTW
country:        ZZ
address:        No. 1, Dasyue Rd, East District, Tainan City, Taiwan 701
phone:          +000000000
e-mail:         jimmy012403976@gmail.com
admin-c:        CT1512-AP
tech-c:         CT1512-AP
nic-hdl:        AC2525-AP
remarks:        Generated from irt object IRT-CHUMMY-TW
remarks:        jimmy012403976@gmail.com was validated on 2026-09-29
abuse-mailbox:  jimmy012403976@gmail.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-09-29T13:55:33Z
source:         APNIC

role:           Chummy Tsai
address:        No. 1, Dasyue Rd, East District, Tainan City, Taiwan 701
country:        TW
phone:          +886-978-351-358
e-mail:         jimmy012403976@gmail.com
admin-c:        CT1512-AP
tech-c:         CT1512-AP
nic-hdl:        CT1512-AP
mnt-by:         MAINT-CHUMMY-TW
last-modified:  2022-01-04T16:51:36Z
source:         APNIC