206208 looking glass

AS152111 CTCSCI TECH LIMITED 🇭🇰 HK

Announcing 2 prefixes, seen at the RIS collectors.

IPv4 prefixes
1
256 (1 × /24)
IPv6 prefixes
1
1 × /48
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
AS152111
Name
CTCSCI TECH LIMITED
Organisation
CTCSCI SINGAPORE
Country
🇭🇰 HK
RIR
APNIC
Allocated
2023-11-15
Network type
Content
Scope
Not Disclosed
Peering policy
No
Website
https://ctcsci.com
PeeringDB
net/36354

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.apnic.net

as-block:       AS151866 - AS152889
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:  2023-05-11T00:08:47Z
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:        AS152111
as-name:        CTCSCITECHLIMITED-AS-AP
descr:          CTCSCI TECH LIMITED
country:        HK
remarks:        For use in Singapore
org:            ORG-CTL14-AP
admin-c:        CTLA8-AP
tech-c:         CTLA8-AP
abuse-c:        AC2739-AP
mnt-lower:      MAINT-CTCSCITECHLIMITED-HK
mnt-routes:     MAINT-CTCSCITECHLIMITED-HK
mnt-by:         APNIC-HM
mnt-irt:        IRT-CTCSCITECHLIMITED-HK
last-modified:  2023-11-15T06:01:29Z
source:         APNIC

irt:            IRT-CTCSCITECHLIMITED-HK
address:        RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong, HONG KONG PAI RD KWAI CHUNG NT 100
e-mail:         admin@ctcsci.com
abuse-mailbox:  abuse@ctcsci.com
admin-c:        CTLA8-AP
tech-c:         CTLA8-AP
auth:           # Filtered
remarks:        abuse@ctcsci.com was validated on 2026-07-13
remarks:        admin@ctcsci.com was validated on 2026-07-13
mnt-by:         MAINT-CTCSCITECHLIMITED-HK
last-modified:  2026-07-17T15:18:07Z
source:         APNIC

organisation:   ORG-CTL14-AP
org-name:       CTCSCI TECH LIMITED
org-type:       LIR
country:        HK
address:        RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong
phone:          +85259588341
e-mail:         finance@ctcsci.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-05-08T13:15:50Z
source:         APNIC

role:           ABUSE CTCSCITECHLIMITEDHK
country:        ZZ
address:        RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong, HONG KONG PAI RD KWAI CHUNG NT 100
phone:          +000000000
e-mail:         admin@ctcsci.com
admin-c:        CTLA8-AP
tech-c:         CTLA8-AP
nic-hdl:        AC2739-AP
remarks:        Generated from irt object IRT-CTCSCITECHLIMITED-HK
remarks:        abuse@ctcsci.com was validated on 2026-07-13
remarks:        admin@ctcsci.com was validated on 2026-07-13
abuse-mailbox:  abuse@ctcsci.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-07-13T01:44:34Z
source:         APNIC

role:           CTCSCI TECH LIMITED administrator
address:        RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong, HONG KONG PAI RD KWAI CHUNG NT 100
country:        HK
phone:          +85266881450
e-mail:         admin@ctcsci.com
admin-c:        CTLA8-AP
tech-c:         CTLA8-AP
nic-hdl:        CTLA8-AP
mnt-by:         MAINT-CTCSCITECHLIMITED-HK
last-modified:  2023-09-25T15:13:59Z
abuse-mailbox:  abuse@ctcsci.com
source:         APNIC

as-block:       AS151866 - AS152889
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-09-02T06:47:44Z
source:         IDNIC

role:           ID-NIC ADMINISTRATORS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
admin-c:        IH288-AP
tech-c:         IH288-AP
nic-hdl:        IA55-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2026-02-25T04:06:45Z
source:         IDNIC

role:           ID-NIC HOSTMASTERS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        administrative request : admin@apjii.or.id
remarks:        IDNIC hostmasters role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IH123-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2024-07-10T05:48:59Z
source:         IDNIC