AS399076 Bayer Corporation

BAYER-MEX - Bayer Corporation · registered in the United States

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in United States#12,481largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#58,477of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS399076 in ASN lookup Look up an IP in this network (149.234.228.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

149.234.228.0/23

Other ASNs named Bayer Corporation

2 other networks use the same organisation name; together with AS399076 they announce 15,104 IPv4 addresses.

ASNNameIPv4 addresses

AS23167BAYER-ARCH - Bayer Corporation US13,824

AS396121BAYER-BERKELEY - Bayer Corporation US768

Similar-sized networks in United States

ASNNameIPv4 addresses

AS399046#12478 DRPA-ASN-01 - The Delaware River Port Authority512

AS399066#12479 MMS-PUBLIC-AS01 - Massachusetts Medical Society512

AS399071#12480 BELLIN-MEMORIAL-HOSPITAL - Bellin Memorial Hospital, Inc.512

AS399090#12482 GINKGOBIOWORKS - Ginkgo Bioworks, Inc.512

AS399094#12483 MTE - MIDDLE TENNESSEE ELECTRIC MEMBERSHIP CORPORATION (THE)512

AS399102#12484 WA-ST-SCHOOL-BLIND - Washington State School for the Blind512

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