AS19389 GOLUB CORPORATION

GOLUB - GOLUB CORPORATION · registered in the United States

IPv4 addresses7683 prefixes · <0.001% of announced IPv4

Rank in United States#9,438largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#43,922of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS19389 in ASN lookup Look up an IP in this network (63.138.94.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

63.138.94.0/24
72.43.85.0/24
173.226.249.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS19312#9435 JOHN-MUIR-HEALTH - John Muir Health768

AS19317#9436 BLUESKY-SOCIAL-PBC-1 - Bluesky Social, PBC768

AS19319#9437 CCN-DMZ - Bonneville Power Administration768

AS19393#9439 ROBERTS-COMMUNICATIONS-NETWORK - Roberts Communications Network, LLC768

AS19403#9440 SPIRIT-AEROSYSTEMS - Spirit AeroSystems, Inc768

AS19424#9441 CV-NET-1 - Cars Commerce768

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