ResearchRouting table, RPKI, IRR & looking glass

AS209242 Cloudflare London, LLC

AS209242 (CLOUDFLARESPECTRUM) is registered to Cloudflare London, LLC in US, through RIPE. It originates 292 prefixes in the global routing table.

264
IPv4 prefixes
28
IPv6 prefixes
99,584
IPv4 addresses
54%
RPKI valid

Who holds AS209242

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS209242
Handle
CLOUDFLARESPECTRUM
Organization
Cloudflare London, LLC
Country
US
Registry
RIPE
ASPA
1 provider
WHOIS recordRIPE
% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS208885 - AS214345'

as-block:       AS208885 - AS214345
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:        2026-07-13T14:17:33Z
last-modified:  2026-07-13T14:17:33Z
source:         RIPE

% Information related to 'AS209242'

% Abuse contact for 'AS209242' is 'abuse@cloudflare.com'

aut-num:        AS209242
as-name:        CLOUDFLARESPECTRUM
descr:          Cloudflare, Inc.
descr:          101 Townsend Street, San Francisco, CA 94107, US
org:            ORG-CLL6-RIPE
remarks:        https://cloudflare.com/abuse
import:         from AS13335 accept ANY
export:         to AS13335 announce AS209242
admin-c:        CAC80-RIPE
tech-c:         CTC6-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-CLOUDFLARE
created:        2019-03-13T09:42:10Z
last-modified:  2019-06-20T01:21:39Z
source:         RIPE # Filtered

organisation:   ORG-CLL6-RIPE
org-name:       Cloudflare London, LLC
country:        US
reg-nr:         5231448 (Delaware)
org-type:       LIR
address:        101 Townsend Street
address:        CA 94107
address:        San Francisco
address:        UNITED STATES
phone:          +1-650-319-8939
fax-no:         +1-650-230-7173
abuse-c:        CF6885-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-CLOUDFLARE
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-CLOUDFLARE
admin-c:        TP5485-RIPE
admin-c:        GNR13-RIPE
remarks:        https://cloudflare.com/abuse
created:        2013-01-25T15:06:01Z
last-modified:  2026-05-13T07:34:31Z
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

% This query was served by the RIPE Database Query Service version 1.124.1 (DEXTER)


What AS209242 announces

Prefixes originated by AS209242 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
264
IPv6 prefixes
28
IPv4 addresses
99,584 (389 /24s)
RPKI valid
158 54%
RPKI invalid
1
RPKI not found
133
ROAs naming AS209242
286
With an IRR route object
281 96%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (264)
5.10.244.0/225.175.141.0/245.226.179.0/245.226.181.0/2414.102.228.0/2323.141.168.0/2423.167.152.0/2423.178.112.0/2423.247.163.0/2425.25.25.0/2425.26.27.0/2425.129.196.0/2325.129.198.0/2327.50.48.0/2427.50.49.0/2431.12.75.0/2431.43.179.0/2444.31.142.0/2445.12.30.0/2345.80.108.0/2445.80.110.0/2445.80.111.0/2445.81.58.0/2445.85.118.0/2345.95.241.0/2445.131.4.0/2245.131.208.0/2245.135.235.0/2445.142.120.0/2445.149.12.0/2445.194.53.0/2445.205.0.0/2446.202.30.0/2462.72.166.0/2462.169.155.0/2464.69.24.0/2365.205.150.0/2466.45.118.0/2466.81.247.0/2466.81.255.0/2466.94.32.0/2266.94.36.0/2366.94.38.0/2466.94.39.0/2466.94.40.0/2166.225.252.0/2468.169.48.0/2069.48.218.0/2469.89.0.0/2072.52.113.0/2474.49.214.0/2374.204.59.0/2474.205.180.0/2477.37.33.0/2477.74.228.0/2477.75.199.0/2477.232.140.0/2480.93.202.0/2483.118.224.0/2283.118.224.0/2383.118.226.0/2385.237.216.0/2486.38.214.0/2488.216.66.0/2389.47.56.0/2389.116.46.0/2489.116.161.0/2489.116.180.0/2489.116.250.0/2489.117.112.0/2489.207.18.0/2491.199.81.0/2491.209.253.0/2492.53.188.0/2293.114.64.0/2393.115.102.0/2494.140.0.0/2494.247.142.0/24102.177.189.0/24103.11.212.0/24103.11.214.0/24103.15.85.0/24103.19.144.0/23103.112.176.0/24103.116.7.0/24103.121.59.0/24103.133.1.0/24103.169.142.0/24103.172.110.0/23104.36.195.0/24104.129.164.0/22104.234.239.0/24104.239.72.0/24104.254.140.0/24108.165.152.0/24108.165.216.0/24114.129.43.0/24130.108.73.0/24130.108.104.0/23130.108.121.0/24136.143.138.0/24138.5.248.0/24139.64.234.0/24139.64.235.0/24141.11.202.0/23141.193.213.0/24147.78.140.0/24147.185.161.0/24154.51.129.0/24154.51.160.0/24154.62.129.0/24154.83.2.0/24154.83.22.0/23154.83.30.0/23154.84.14.0/23154.84.16.0/21154.84.24.0/22154.92.9.0/24154.194.12.0/24154.197.64.0/24
Show 144 more
154.197.65.0/24154.197.75.0/24154.198.173.0/24154.202.89.0/24154.206.12.0/24154.211.8.0/24155.46.167.0/24155.46.213.0/24156.243.246.0/24156.252.2.0/23159.112.235.0/24159.246.55.0/24160.153.0.0/24162.44.32.0/22162.44.118.0/23162.44.208.0/23162.120.94.0/24164.38.155.0/24167.1.148.0/24167.1.149.0/24167.1.150.0/24167.1.181.0/24167.68.4.0/24167.68.5.0/24167.68.11.0/24167.68.42.0/24170.114.45.0/24170.114.46.0/24170.114.52.0/24170.114.78.0/24170.176.152.0/24172.83.72.0/24172.83.73.0/24172.83.76.0/24176.126.206.0/23178.211.142.0/24178.213.76.0/24181.214.1.0/24185.7.190.0/23185.18.250.0/24185.38.135.0/24185.135.9.0/24185.148.104.0/24185.148.105.0/24185.148.106.0/24185.148.107.0/24185.159.247.0/24185.162.228.0/23185.162.230.0/23185.176.26.0/24185.193.28.0/23185.193.30.0/23185.207.92.0/24185.209.154.0/24185.238.228.0/24188.42.88.0/24188.42.89.0/24188.42.145.0/24188.164.248.0/24188.244.122.0/24192.65.217.0/24192.133.11.0/24192.152.138.0/24192.236.26.0/24193.9.49.0/24193.16.63.0/24193.17.206.0/24193.22.229.0/24193.67.144.0/24193.162.35.0/24193.227.99.0/24194.1.194.0/24194.26.68.0/24194.36.49.0/24194.36.55.0/24194.39.112.0/21194.113.223.0/24194.152.44.0/24194.169.194.0/24195.26.229.0/24195.28.190.0/24195.28.191.0/24195.85.23.0/24195.85.59.0/24195.189.177.0/24195.250.46.0/24196.13.241.0/24196.207.45.0/24198.177.56.0/24198.177.57.0/24198.202.211.0/24199.5.242.0/24199.33.230.0/24199.33.231.0/24199.33.232.0/24199.33.233.0/24199.60.103.0/24199.181.197.0/24200.73.67.0/24202.82.250.0/24203.6.66.0/24203.6.74.0/24203.13.32.0/24203.17.126.0/24203.19.222.0/24203.22.223.0/24203.22.241.0/24203.23.103.0/24203.23.104.0/24203.23.106.0/24203.24.102.0/24203.24.103.0/24203.24.108.0/24203.24.109.0/24203.28.8.0/24203.28.9.0/24203.29.52.0/24203.29.53.0/24203.29.54.0/23203.30.188.0/22203.32.120.0/23203.34.28.0/24203.34.80.0/24203.55.107.0/24203.89.5.0/24204.62.141.0/24205.233.181.0/24207.189.149.0/24208.42.188.0/24208.77.33.0/24208.77.35.0/24208.100.60.0/24209.46.30.0/24209.222.114.0/24209.222.115.0/24212.239.86.0/24213.241.198.0/24216.120.131.0/24216.120.180.0/23216.154.208.0/20216.198.53.0/24216.198.54.0/24216.205.52.0/24223.27.176.0/23
IPv6 (28)

RPKI valid   RPKI invalid   no ROA covers it

Who AS209242 is reached through

The AS just before AS209242 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS209242 publishes an ASPA naming this provider. Check a path.