AS54115 Facebook Inc

FACEBOOK-CORP - Facebook Inc · registered in the United States

IPv4 addresses5,1202 prefixes · <0.001% of announced IPv4

Rank in United States#4,056largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#13,507of 79,396 networks with IPv4

IPv616 x /487 prefixes

CountryUnited States18,679 ASNs registered there

Open AS54115 in ASN lookup Look up an IP in this network (163.114.128.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

163.114.128.0/20
199.201.64.0/22

IPv6 prefixes

All 7 prefixes.

2620:10d:c090::/46
2620:10d:c094::/47
2620:10d:c096::/47
2620:10d:c098::/46
2620:10d:c09c::/48
2620:10d:c09d::/48
2620:10d:c09e::/47

Other ASNs named Facebook Inc

2 other networks use the same organisation name; together with AS54115 they announce 478,720 IPv4 addresses.

ASNNameIPv4 addresses

AS32934FACEBOOK - Facebook, Inc. US449,024

AS63293FACEBOOK-OFFNET - Facebook, Inc. US24,576

Similar-sized networks in United States

ASNNameIPv4 addresses

AS43256#4053 KIN-AS Global Broadband Solution Inc5,120

AS62917#4054 GIGABITFIBER-ICFN - Gigabit Communications LLC5,120

AS5744#4055 USPTO - United States Patent and Trademark Office5,120

AS33059#4057 MOMENTUM33059 - Momentum Telecom, Inc.5,120

AS30286#4058 THM - ThreatMetrix Inc.5,120

AS26459#4059 TTD-ASN-01 - The Trade Desk, Inc.5,120

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