ASN Lookup Tool

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% Information related to 'AS55296 - AS56319'

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:        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 'AS55845'

% Abuse contact for 'AS55845' is 'usnetwork@tradeweb.com'

aut-num:        AS55845
as-name:        TRADEWEB-AS-AP
descr:          Tradeweb Australia Pty Ltd
descr:          Lv6, 14 Martin place, Sydney NSW 2000
country:        AU
org:            ORG-YPL4-AP
admin-c:        TAPL11-AP
tech-c:         TAPL11-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-TRADEWEB-AU
mnt-routes:     MAINT-TRADEWEB-AU
mnt-irt:        IRT-TRADEWEB-AU
abuse-c:        AT1901-AP
last-modified:  2025-03-25T04:44:54Z
source:         APNIC

irt:            IRT-TRADEWEB-AU
address:        Level 6, 14 Martin Place, Sydney, NSW 2000
e-mail:         AU.operations.manager@tradeweb.com
abuse-mailbox:  usnetwork@tradeweb.com
admin-c:        TAPL11-AP
tech-c:         TAPL11-AP
auth:           # Filtered
remarks:        au.operations.manager@tradeweb.com was validated on 2025-11-25
remarks:        usnetwork@tradeweb.com was validated on 2026-01-02
mnt-by:         MAINT-TRADEWEB-AU
last-modified:  2026-01-02T13:27:28Z
source:         APNIC

organisation:   ORG-YPL4-AP
org-name:       Tradeweb Australia Pty Ltd
org-type:       LIR
country:        AU
address:        Lv6
address:        14 Martin Place
phone:          +61-2-9994-2890
fax-no:         +61-2-9994-2895
e-mail:         usnetwork@tradeweb.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-03-25T02:10:06Z
source:         APNIC

role:           ABUSE TRADEWEBAU
country:        ZZ
address:        Level 6, 14 Martin Place, Sydney, NSW 2000
phone:          +000000000
e-mail:         AU.operations.manager@tradeweb.com
admin-c:        TAPL11-AP
tech-c:         TAPL11-AP
nic-hdl:        AT1901-AP
remarks:        Generated from irt object IRT-TRADEWEB-AU
remarks:        au.operations.manager@tradeweb.com was validated on 2025-11-25
remarks:        usnetwork@tradeweb.com was validated on 2026-01-02
abuse-mailbox:  usnetwork@tradeweb.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-02T13:27:41Z
source:         APNIC

role:           Tradeweb Australia Pty Ltd Administrator
address:        Level 6, 14 Martin Place, Sydney, NSW 2000
country:        AU
phone:          +61-2-9994 2890
e-mail:         usnetwork@tradeweb.com
admin-c:        TAPL11-AP
tech-c:         TAPL11-AP
nic-hdl:        TAPL11-AP
mnt-by:         MAINT-TRADEWEB-AU
last-modified:  2025-03-25T02:09:57Z
source:         APNIC

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