AS400151 BB OPCO LLC

SPARC-BROOKS-BROTHERS - BB OPCO LLC · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,844largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,793of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS400151 in ASN lookup Look up an IP in this network (66.84.83.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

66.84.83.0/24

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ASNNameIPv4 addresses

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AS400147#17843 CITY-OF-MODESTO-01-ASN - City of Modesto256

AS400152#17845 NEWCOOP-01 - NEW Cooperative Inc256

AS400153#17846 ASL-691 - Absolute Technologies LLC256

AS400160#17847 CITYOFYUMA-NET - City of Yuma256

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