AS603 Equinix, Inc.

EQUINIX-EC - Equinix, Inc. · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#12,826largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#59,936of 79,396 networks with IPv4

IPv64,096 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS603 in ASN lookup Look up an IP in this network (50.100.5.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

50.100.5.0/24

IPv6 prefixes

All 1 prefix.

2001:4818:6000::/36

Other ASNs named Equinix, Inc.

12 other networks use the same organisation name; together with AS603 they announce 17,152 IPv4 addresses.

ASNNameIPv4 addresses

AS14609EQUINIX-CORP-NETWORK - Equinix, Inc. US6,656

AS394749EQUINIX-SOLUTION-VALIDATION-CENTER - Equinix, Inc. US2,816

AS54588EQUINIX-EC-SV - Equinix, Inc. US2,304

AS32323EQUINIX-EC-TR - Equinix, Inc. US1,280

AS12085EQUINIX-EC-DC - Equinix, Inc. US1,024

AS19930EQUINIX-EC-CH - Equinix, Inc. US768

AS27330EQUINIX-EC-AT - Equinix, Inc. US512

AS29884EQUINIX-EC-DA - Equinix, Inc. US512

AS27224EQUINIX-EC-LA - Equinix, Inc. US256

AS27566EQUINIX-EC-NY - Equinix, Inc. US256

AS32550EQUINIX-EC-SE - Equinix, Inc. US256

AS30715Q9-AS-KML1 - Equinix, Inc. US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS17160#12823 NCOM-NA - Neofelis Communications256

AS40419#12824 H2-TECHNOLOGIES-GOV - Austin Hadley, Sole Proprietorship256

AS399612#12825 SAPPHIREK12-ASN01 - Sapphire Software256

AS971#12827 PUREVOLTAGE - PureVoltage Hosting Inc.256

AS10494#12828 AAI - Rodney Grimes, Sole Proprietorship256

AS11418#12829 LIGHTEDGE-AS-03 - LightEdge Solutions256

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