AS Number
AS59345
AS Name
CGSOPL-AS
Org Name
CME Group Singapore Operations Pte Ldt.
Country / Region
Singapore
Registry

apnic

RegDate

Updated

2011-08-10T06:21:41Z

AS59345 Looking Glass
IPv4Prefixes

3

IPv6Prefixes

0

IPv4 NUMs

768

IPv6 NUMs(/64)

0

CIDR Description IP Num
198.246.140.0/24
IRR Valid
Chicago Board of Trade 256
198.246.141.0/24
IRR Valid
Chicago Board of Trade 256
198.246.142.0/24
IRR Valid
Chicago Board of Trade 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2856 BT-UK-AS - British Telecommunications Limited, GB United Kingdom 13,910,272 584,115,814,400 IPv4 IPv4
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 6,499,584 30,065,033,216 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,864,512 81,626,398,720 IPv4 IPv4
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,751,552 51,808,436,224 IPv4 IPv4
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,497,088 25,770,590,208 IPv4 IPv4

Whois Record

as-block AS58368 - AS59391

as-block
descr
APNIC ASN block
remarks
These AS numbers are further assigned by APNIC
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

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

aut-num AS59345

aut-num
as-name
CGSOPL-AS
descr
CME Group Singapore Operations Pte Ldt.
50 Raffles Place # 47-01
Singapore Land Tower
Singapore 048623
country
SG
org
ORG-CGSO1-AP
admin-c
CAA6-AP
tech-c
CAA6-AP
abuse-c
AC1926-AP
notify
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

irt
IRT-CGSOPL-SG
address
50 Raffles Place
Singapore Land Tower
Singapore 048623
Singapore
e-mail
abuse-mailbox
admin-c
CS1684-AP
tech-c
CS1684-AP
auth
# Filtered
remarks
[email protected] was validated on 2026-08-05
mnt-by
MAINT-SG-CMEGROUP
last-modified
2026-08-05T13:42:38Z
source
APNIC

organisation ORG-CGSO1-AP

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
Financial Centre, Tower 2
Singapore
phone
+1-312-627-4496
e-mail
mnt-ref
APNIC-HM
mnt-by
APNIC-HM
last-modified
2023-09-05T02:16:11Z
source
APNIC

role ABUSE CGSOPLSG

role
ABUSE CGSOPLSG
country
ZZ
address
50 Raffles Place
Singapore Land Tower
Singapore 048623
Singapore
phone
+000000000
e-mail
admin-c
CS1684-AP
tech-c
CS1684-AP
nic-hdl
AC1926-AP
remarks
Generated from irt object IRT-CGSOPL-SG
[email protected] was validated on 2026-08-05
abuse-mailbox
mnt-by
APNIC-ABUSE
last-modified
2026-08-05T13:42:59Z
source
APNIC

role CME APNIC Admin

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

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



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:         [email protected]
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:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CS1684-AP
tech-c:         CS1684-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2026-08-05
mnt-by:         MAINT-SG-CMEGROUP
last-modified:  2026-08-05T13:42:38Z
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:         [email protected]
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:         [email protected]
admin-c:        CS1684-AP
tech-c:         CS1684-AP
nic-hdl:        AC1926-AP
remarks:        Generated from irt object IRT-CGSOPL-SG
remarks:        [email protected] was validated on 2026-08-05
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-05T13:42:59Z
source:         APNIC

role:           CME APNIC Admin
address:        20 South Wacker
address:        Chicago
address:        IL
country:        US
phone:          +1-312-627-4496
e-mail:         [email protected]
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