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AS63293 Facebook, Inc.

FACEBOOK-OFFNET - Facebook, Inc. · registered in the United States

IPv4 addresses24,57644 prefixes · <0.001% of announced IPv4
Rank in United States#1,945largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#5,510of 79,396 networks with IPv4
IPv678 x /4838 prefixes
CountryUnited States18,679 ASNs registered there
Open AS63293 in ASN lookup Look up an IP in this network (102.132.112.1) All networks in United States

IPv4 prefixes

All 44 prefixes, in address order.

  • 102.132.112.0/24
  • 102.132.115.0/24
  • 102.132.116.0/23
  • 102.132.119.0/24
  • 102.132.120.0/23
  • 102.132.123.0/24
  • 102.132.125.0/24
  • 102.132.126.0/24
  • 102.221.188.0/22
  • 129.134.130.0/24
  • 129.134.132.0/24
  • 129.134.135.0/24
  • 129.134.136.0/22
  • 129.134.140.0/24
  • 129.134.143.0/24
  • 129.134.144.0/24
  • 129.134.148.0/23
  • 129.134.150.0/24
  • 129.134.154.0/23
  • 129.134.156.0/22
  • 129.134.160.0/22
  • 129.134.164.0/23
  • 129.134.168.0/21
  • 129.134.176.0/20
  • 129.134.194.0/23
  • 129.134.196.0/23
  • 157.240.128.0/23
  • 157.240.131.0/24
  • 157.240.132.0/24
  • 157.240.134.0/24
  • 157.240.136.0/23
  • 157.240.139.0/24
  • 157.240.140.0/24
  • 157.240.143.0/24
  • 157.240.144.0/24
  • 157.240.156.0/23
  • 157.240.158.0/24
  • 157.240.169.0/24
  • 157.240.175.0/24
  • 157.240.177.0/24
  • 157.240.179.0/24
  • 157.240.181.0/24
  • 157.240.182.0/23
  • 157.240.184.0/21

IPv6 prefixes

All 38 prefixes.

  • 2a03:2887:ff00::/48
  • 2a03:2887:ff03::/48
  • 2a03:2887:ff04::/46
  • 2a03:2887:ff09::/48
  • 2a03:2887:ff0a::/48
  • 2a03:2887:ff1b::/48
  • 2a03:2887:ff1e::/48
  • 2a03:2887:ff20::/48
  • 2a03:2887:ff22::/47
  • 2a03:2887:ff27::/48
  • 2a03:2887:ff28::/46
  • 2a03:2887:ff2e::/47
  • 2a03:2887:ff30::/48
  • 2a03:2887:ff33::/48
  • 2a03:2887:ff37::/48
  • 2a03:2887:ff38::/46
  • 2a03:2887:ff3e::/47
  • 2a03:2887:ff40::/46
  • 2a03:2887:ff44::/47
  • 2a03:2887:ff48::/46
  • 2a03:2887:ff4d::/48
  • 2a03:2887:ff4e::/47
  • 2a03:2887:ff50::/45
  • 2a03:2887:ff58::/47
  • 2a03:2887:ff5a::/48
  • 2a03:2887:ff5f::/48
  • 2a03:2887:ff60::/48
  • 2a03:2887:ff62::/47
  • 2a03:2887:ff64::/46
  • 2a03:2887:ff68::/46
  • 2a03:2887:ff6c::/48
  • 2a03:2887:ff6f::/48
  • 2a03:2887:ff70::/46
  • 2c0f:ef78:3::/48
  • 2c0f:ef78:5::/48
  • 2c0f:ef78:9::/48
  • 2c0f:ef78:c::/47
  • 2c0f:ef78:10::/47

Other ASNs named Facebook, Inc.

2 other networks use the same organisation name; together with AS63293 they announce 478,720 IPv4 addresses.

ASNNameIPv4 addresses
AS32934FACEBOOK - Facebook, Inc. US449,024
AS54115FACEBOOK-CORP - Facebook Inc US5,120

Similar-sized networks in United States

ASNNameIPv4 addresses
AS398156#1942 ACE-FIBER-01 - ACE Fiber24,576
AS398446#1943 COOPERATIVE-CONNECTION-01 - Cooperative Connection, LLC24,576
AS27338#1944 OTELCO-AL - GoNetSpeed24,576
AS18463#1946 MILLPOND-NET-01 - Mill Pond Networks LLC24,576
AS395461#1947 APOG-AUSTIN - Apogee Telecom Inc.24,576
AS1265#1948 SAINT-MARYS-AS - Saint Mary's College24,576

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