AS402542 Cloudflare,

CLOUDFLARENET - Cloudflare, · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#13,564largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#62,835of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS402542 in ASN lookup Look up an IP in this network (8.45.47.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

8.45.47.0/24

IPv6 prefixes

All 1 prefix.

2606:54c2:1f::/48

Other ASNs named Cloudflare,

1 other network uses the same organisation name; together with AS402542 they announce 512 IPv4 addresses.

ASNNameIPv4 addresses

AS22061CLOUDFLARE-MTC-CA - Cloudflare, US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS402397#13561 17SOLUTIONS-LLC - 17256

AS402465#13562 TAHOMA-RADIOELECTRIC - Tahoma256

AS402540#13563 MJWINNOVATIONS - MJW256

AS402553#13565 CAV-PROD-AS-01 - Cavnue256

AS402600#13566 UN9 - UN9256

AS402602#13567 HFS-01 - Hyperforge256

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources