AS21811 Build-A-Bear Workshop, Inc.

BAB - Build-A-Bear Workshop, Inc. · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#14,456largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#64,263of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS21811 in ASN lookup Look up an IP in this network (104.238.197.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

104.238.197.0/24

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AS21851#14457 KAINOSCOM-SPRINGVALLEY - Kainos Technologies LLC256

AS21867#14458 LIGHTPATH-COLUMBUS - Cablevision Lightpath LLC256

AS21914#14459 RXO-CORPORATE-SOLUTIONS - RXO Corporate Solutions, LLC256

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