ASN Lookup Tool

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% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS58368 - AS59391'

as-block:       AS58368 - AS59391
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:  2011-08-10T06:21:41Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
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:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS59345'

% Abuse contact for 'AS59345' is 'networkoperations@cmegroup.com'

aut-num:        AS59345
as-name:        CGSOPL-AS
descr:          CME Group Singapore Operations Pte Ldt.
descr:          50 Raffles Place # 47-01
descr:          Singapore Land Tower
descr:          Singapore 048623
country:        SG
org:            ORG-CGSO1-AP
admin-c:        CAA6-AP
tech-c:         CAA6-AP
abuse-c:        AC1926-AP
notify:         networkengineering@cmegroup.com
mnt-lower:      MAINT-SG-CMEGROUP
mnt-routes:     MAINT-SG-CMEGROUP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CGSOPL-SG
last-modified:  2021-01-28T11:16:42Z
source:         APNIC

irt:            IRT-CGSOPL-SG
address:        50 Raffles Place
address:        Singapore Land Tower
address:        Singapore 048623
address:        Singapore
e-mail:         networkoperations@cmegroup.com
abuse-mailbox:  networkoperations@cmegroup.com
admin-c:        CS1684-AP
tech-c:         CS1684-AP
auth:           # Filtered
remarks:        networkoperations@cmegroup.com was validated on 2026-01-14
mnt-by:         MAINT-SG-CMEGROUP
last-modified:  2026-01-14T19:22:44Z
source:         APNIC

organisation:   ORG-CGSO1-AP
org-name:       CME Group Singapore Operations Pte Ldt.
org-type:       LIR
country:        SG
address:        10 Marina Boulevard, # 21-01 Marina Bay
address:        Financial Centre, Tower 2
address:        Singapore
phone:          +1-312-627-4496
e-mail:         networkoperations@cmegroup.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:11Z
source:         APNIC

role:           ABUSE CGSOPLSG
country:        ZZ
address:        50 Raffles Place
address:        Singapore Land Tower
address:        Singapore 048623
address:        Singapore
phone:          +000000000
e-mail:         networkoperations@cmegroup.com
admin-c:        CS1684-AP
tech-c:         CS1684-AP
nic-hdl:        AC1926-AP
remarks:        Generated from irt object IRT-CGSOPL-SG
remarks:        networkoperations@cmegroup.com was validated on 2026-01-14
abuse-mailbox:  networkoperations@cmegroup.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-14T19:23:13Z
source:         APNIC

role:           CME APNIC Admin
address:        20 South Wacker
address:        Chicago
address:        IL
country:        US
phone:          +1-312-627-4496
e-mail:         networkengineering@cmegroup.com
admin-c:        CS1684-AP
admin-c:        RC1380-AP
tech-c:         CS1684-AP
tech-c:         RC1380-AP
nic-hdl:        CAA6-AP
mnt-by:         MAINT-SG-CMEGROUP
last-modified:  2018-11-12T14:11:21Z
source:         APNIC

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