AS18640 Idealab

IDEALAB - Idealab · registered in the United States

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in United States#7,981largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#35,727of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS18640 in ASN lookup Look up an IP in this network (208.76.0.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

208.76.0.0/22

IPv6 prefixes

All 1 prefix.

2001:550:a01::/48

Similar-sized networks in United States

ASNNameIPv4 addresses

AS13898#7978 SMART-MOBILE - Smart Mobile LLC1,024

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AS15292#7980 PIDOXA-RACINE - PIN Business Network, Inc.1,024

AS18907#7982 COLOVORE - Colovore LLC1,024

AS21705#7983 HOUDINI-WCGB - Houdini Inc.1,024

AS22140#7984 T-MOBILE-AS22140 - T-Mobile USA, Inc.1,024

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