59345 CGSOPL-AS - CME Group Singapore Operations Pte Ldt., SG
Adjacency: 4 Upstream: 4 Downstream: 0
Upstream Adjacent AS list
AS8220 COLT - COLT Technology Services Group Limited, GB
AS2856 BT-UK-AS - British Telecommunications PLC, GB
AS6461 ZAYO-6461 - Zayo Bandwidth, US
AS2914 NTT-DATA-2914 - NTT America, Inc., US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 45570 AS59345 ORIGIN Originate: 768 /22.42 Transit: 0 /0.00 CGSOPL-AS - CME Group Singapore Operations Pte Ldt., SG
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 50187 AS59345 CGSOPL-AS - CME Group Singapore Operations Pt 3 0 0 3 0 0.00% Prefix AS Path Aggregation Suggestion 198.246.140.0/24 4777 4713 2914 59345 198.246.141.0/24 4777 2497 6461 59345 198.246.142.0/24 4777 2497 5400 2856 59345
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS59345 3 More Specifics 3 Total Advertisements CGSOPL-AS - CME Group Singapore Operations Pte Ldt., SG
198.246.140.0/24 198.246.140.0/22
198.246.141.0/24 198.246.140.0/22
198.246.142.0/24 198.246.140.0/22
whois: 402591
IANA has recorded AS59345 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS59345\n % [whois.apnic.net]
% 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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