206208 looking glass

AS203898 Cloudflare London Office 🇺🇸 US

Cloudflare Inc. Announcing 3 prefixes, seen at the RIS collectors.

IPv4 prefixes
1
256 (1 × /24)
IPv6 prefixes
2
2 × /48
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS203898
Name
Cloudflare London Office
Organisation
Cloudflare Inc
Country
🇺🇸 US
RIR
RIPENCC
Allocated
2015-10-08

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

3 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.ripe.net

as-block:       AS203889 - AS203938
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE

aut-num:        AS203898
as-name:        CLOUDFLARENET-UK
descr:          Cloudflare, Inc.
descr:          101 Townsend Street, San Francisco, CA 94107, US
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-CLOUDFLARE
admin-c:        CAC80-RIPE
tech-c:         CTC6-RIPE
org:            ORG-CI40-RIPE
remarks:        https://cloudflare.com/abuse
created:        2015-10-08T08:41:45Z
last-modified:  2019-06-20T01:23:20Z
source:         RIPE # Filtered

organisation:   ORG-CI40-RIPE
org-name:       Cloudflare Inc
country:        US
reg-nr:         4710875 (Delaware)
org-type:       LIR
remarks:        https://cloudflare.com/abuse
address:        101 Townsend Street
address:        CA 94107
address:        San Francisco
address:        UNITED STATES
phone:          +1-650-319-8939
fax-no:         +1-650-230-7173
admin-c:        TP5485-RIPE
admin-c:        ML18637-RIPE
admin-c:        SR11544-RIPE
abuse-c:        CF6885-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-CLOUDFLARE
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-CLOUDFLARE
created:        2011-05-25T10:01:50Z
last-modified:  2026-05-13T07:33:38Z
source:         RIPE # Filtered

person:         Cloudflare Abuse Contact
address:        Cloudflare Germany GmbH, c/o Design Offices Munchen Atlas, Rosenheimer Strasse 143C, 8th floor, 81671 Munchen, Germany
phone:          +49 89 2555 2276
remarks:        All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
nic-hdl:        CAC80-RIPE
mnt-by:         MNT-CLOUDFLARE
created:        2012-06-01T23:27:49Z
last-modified:  2026-01-21T11:33:14Z
source:         RIPE # Filtered

person:         Cloudflare Technical Contact
address:        Cloudflare Germany GmbH, c/o Design Offices Munchen Atlas, Rosenheimer Strasse 143C, 8th floor, 81671 Munchen, Germany
phone:          +49 89 2555 2276
nic-hdl:        CTC6-RIPE
mnt-by:         MNT-CLOUDFLARE
created:        2012-06-01T23:35:57Z
last-modified:  2026-01-21T17:26:19Z
source:         RIPE # Filtered