AS55750 ABC Computer Systems Ltd 🇭🇰 HK

Announcing 3 prefixes, seen at the RIS collectors.

IPv4 prefixes
3
768 (3 × /24)
IPv6 prefixes
0
-
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS55750
Name
ABC Computer Systems Ltd
Organisation
ABC Computer Systems Ltd
Country
🇭🇰 HK
RIR
APNIC
Allocated
2010-09-07

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 3 no ROA (100.0%)

Whois

Fetched from whois.apnic.net

as-block:       AS55296 - AS56319
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:  2009-09-03T01:15:30Z
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:        AS55750
as-name:        ABCHK-HK
descr:          ABC Computer Systems Ltd
country:        HK
org:            ORG-ACSL2-AP
admin-c:        YMT2-AP
tech-c:         YMT2-AP
abuse-c:        AA1788-AP
mnt-lower:      MAINT-ABCHK-HK
mnt-routes:     MAINT-ABCHK-HK
mnt-by:         APNIC-HM
mnt-irt:        IRT-ABCHK-HK
last-modified:  2020-07-07T14:02:50Z
source:         APNIC

irt:            IRT-ABCHK-HK
address:        Unit J, 18/F., World Tech Centre, 95 How Ming St., KLN, HK
e-mail:         abuse@abchk.com
abuse-mailbox:  abuse@abchk.com
admin-c:        YMT2-AP
tech-c:         YMT2-AP
auth:           # Filtered
remarks:        abuse@abchk.com was validated on 2026-08-18
mnt-by:         MAINT-ABCHK-HK
last-modified:  2026-08-18T13:57:29Z
source:         APNIC

organisation:   ORG-ACSL2-AP
org-name:       ABC Computer Systems Ltd
org-type:       LIR
country:        HK
address:        Unit J, 18/F. World Tech Centre
address:        95 How Ming Street
phone:          +852-2579-1190
fax-no:         +852-2516-9692
e-mail:         enquiry@abchk.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:43Z
source:         APNIC

role:           ABUSE ABCHKHK
country:        ZZ
address:        Unit J, 18/F., World Tech Centre, 95 How Ming St., KLN, HK
phone:          +000000000
e-mail:         abuse@abchk.com
admin-c:        YMT2-AP
tech-c:         YMT2-AP
nic-hdl:        AA1788-AP
remarks:        Generated from irt object IRT-ABCHK-HK
remarks:        abuse@abchk.com was validated on 2026-08-18
abuse-mailbox:  abuse@abchk.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-19T04:16:58Z
source:         APNIC

person:         Yu Ming Tai
address:        Unit J, 18/F., World Tech Centre, 95 How Ming St., KLN, HK
country:        HK
phone:          +852-2579 1190
fax-no:         +852-2516 9692
e-mail:         patrick@abchk.com
nic-hdl:        YMT2-AP
mnt-by:         MAINT-NEW
last-modified:  2010-09-07T00:48:02Z
source:         APNIC