AS139242 Cloudflare Sydney, LLC 🇺🇸 US

Announcing 2 prefixes, seen at the RIS collectors.

IPv4 prefixes

IPv6 prefixes

2 × /48

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS139242
Name: Cloudflare Sydney, LLC
Organisation: Cloudflare Sydney, LLC
Country: 🇺🇸 US
RIR: APNIC
Allocated: 2019-06-20

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

1 valid (50.0%) 0 invalid (0.0%) 1 no ROA (50.0%)

Whois

Fetched from whois.apnic.net

as-block:       AS138554 - AS139577
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:  2017-12-08T06:45:58Z
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:        AS139242
as-name:        CSL-AS-AP
descr:          Cloudflare Sydney, LLC
country:        US
org:            ORG-CSL5-AP
admin-c:        CTC16-AP
tech-c:         CTC16-AP
abuse-c:        AC1913-AP
notify:         rir@cloudflare.com
mnt-lower:      MAINT-CLOUDFLARE-AP
mnt-routes:     MAINT-CLOUDFLARE-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CSL-AP
last-modified:  2020-07-07T04:55:25Z
source:         APNIC

irt:            IRT-CSL-AP
address:        Cloudflare, Inc.
address:        101 Townsend Street, San Francisco CA 94107
e-mail:         rir@cloudflare.com
abuse-mailbox:  abuse@cloudflare.com
admin-c:        CTC16-AP
tech-c:         CTC16-AP
auth:           # Filtered
remarks:        abuse@cloudflare.com was validated on 2026-04-10
remarks:        rir@cloudflare.com is invalid
irt-nfy:        rir@cloudflare.com
notify:         rir@cloudflare.com
mnt-by:         MAINT-CLOUDFLARE-AP
last-modified:  2026-10-14T13:12:05Z
source:         APNIC

organisation:   ORG-CSL5-AP
org-name:       Cloudflare Sydney, LLC
org-type:       LIR
country:        US
address:        101 Townsend Street
phone:          +1-650-319-8930
fax-no:         +1-650-230-7173
e-mail:         rir@cloudflare.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:04Z
source:         APNIC

role:           ABUSE CSLAP
country:        ZZ
address:        Cloudflare, Inc.
address:        101 Townsend Street, San Francisco CA 94107
phone:          +000000000
e-mail:         rir@cloudflare.com
admin-c:        CTC16-AP
tech-c:         CTC16-AP
nic-hdl:        AC1913-AP
remarks:        Generated from irt object IRT-CSL-AP
remarks:        abuse@cloudflare.com was validated on 2026-04-10
remarks:        rir@cloudflare.com is invalid
abuse-mailbox:  abuse@cloudflare.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-10-14T13:14:02Z
source:         APNIC

role:           Cloudflare Technical Contact
address:        101 Townsend Street, San Francisco CA 94107
country:        US
phone:          +1-650-319-8930
e-mail:         rir@cloudflare.com
admin-c:        CTC16-AP
tech-c:         CTC16-AP
nic-hdl:        CTC16-AP
notify:         rir@cloudflare.com
mnt-by:         MAINT-CLOUDFLARE-AP
last-modified:  2017-09-07T21:56:48Z
source:         APNIC