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AS132892 Cloudflare, Inc.

CLOUDFLARE - Cloudflare, Inc. · registered in the United States

IPv4 addresses28,67218 prefixes · <0.001% of announced IPv4
Rank in United States#1,833largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#5,131of 79,396 networks with IPv4
IPv6284 x /4820 prefixes
CountryUnited States18,679 ASNs registered there
Open AS132892 in ASN lookup Look up an IP in this network (103.21.246.1) All networks in United States

IPv4 prefixes

All 18 prefixes, in address order.

  • 103.21.246.0/23
  • 104.22.240.0/21
  • 104.22.249.0/24
  • 104.22.250.0/23
  • 104.22.252.0/23
  • 104.22.254.0/24
  • 104.23.0.0/19
  • 141.101.88.0/23
  • 162.158.71.0/24
  • 172.69.24.0/21
  • 172.70.0.0/19
  • 172.70.64.0/21
  • 198.41.144.0/22
  • 198.41.148.0/24
  • 198.41.243.0/24
  • 198.41.246.0/23
  • 198.41.248.0/22
  • 198.41.255.0/24

IPv6 prefixes

All 20 prefixes.

  • 2400:cb00:36::/48
  • 2400:cb00:348::/48
  • 2400:cb00:958::/48
  • 2606:4700:1100::/40
  • 2a06:98c0:3600::/46
  • 2a06:98c0:3608::/48
  • 2a06:98c0:360a::/47
  • 2a06:98c0:360c::/48
  • 2a06:98c0:360f::/48
  • 2a06:98c0:3610::/47
  • 2a06:98c0:3613::/48
  • 2a06:98c0:3614::/48
  • 2a06:98c0:3617::/48
  • 2a06:98c0:361c::/47
  • 2a06:98c0:361e::/48
  • 2a06:98c0:3620::/47
  • 2a06:98c0:3623::/48
  • 2a06:98c0:3624::/47
  • 2a06:98c0:3628::/47
  • 2a06:98c0:362a::/48

Other ASNs named Cloudflare, Inc.

5 other networks use the same organisation name; together with AS132892 they announce 1,519,360 IPv4 addresses.

ASNNameIPv4 addresses
AS13335CLOUDFLARENET - Cloudflare, Inc. US1,417,216
AS14789CLOUDFLARENET - Cloudflare, Inc. US68,352
AS395747CLOUDFLARENET-SFO05 - Cloudflare, Inc. US4,864
AS400095CLOUDFLARENET - Cloudflare, Inc. US256
AS394536CLOUDFLARENET-SFO - Cloudflare, Inc. USIPv6 only

Similar-sized networks in United States

ASNNameIPv4 addresses
AS31841#1830 NKTC - NEW KNOXVILLE TELEPHONE COMPANY28,672
AS400220#1831 PEARLCOMMFIBER-01 - PearlComm28,672
AS1341#1832 ROCKWELLCOLLINS-AS - Rockwell Collins, Inc.28,672
AS10843#1834 AITNET - Advanced Internet Technologies28,672
AS18454#1835 AUGSBURG - Augsburg University28,672
AS393581#1836 WAYNENET - Wayne County Regional Educational Service Agency28,672

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