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AS399076 Bayer Corporation | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Bayer Corporation bayer.com

US 2 Routes

AS Data

AS399076

AS399076 – Bayer Corporation

AS Number	399076
AS Name	BAYER-MEX
Organization	Bayer Corporation (bayerc-2)
Country	US
Website	bayer.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2020-12-11

ASN Intelligence API for production workflows

Use ASN data for AS399076 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
149.234.228.0/24	AS399076	Bayer Corporation	Bayer Corporation	256
149.234.228.0/23	AS399076	Bayer Corporation	Bayer Corporation	512

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       399076
ASName:         BAYER-MEX
ASHandle:       AS399076
RegDate:        2020-12-11
Updated:        2020-12-11
Ref:            https://rdap.arin.net/registry/autnum/399076


OrgName:        Bayer Corporation
OrgId:          BAYERC-2
Address:        100 Bayer Road
City:           Pittsburgh
StateProv:      PA
PostalCode:     15205
Country:        US
RegDate:        1996-03-13
Updated:        2008-12-01
Ref:            https://rdap.arin.net/registry/entity/BAYERC-2


OrgNOCHandle: HOSTM1349-ARIN
OrgNOCName:   Hostmaster
OrgNOCPhone:  +1-862-404-3000 
OrgNOCEmail:  hostmaster@bayer.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/HOSTM1349-ARIN

OrgTechHandle: HOSTM1349-ARIN
OrgTechName:   Hostmaster
OrgTechPhone:  +1-862-404-3000 
OrgTechEmail:  hostmaster@bayer.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM1349-ARIN

OrgAbuseHandle: HOSTM1349-ARIN
OrgAbuseName:   Hostmaster
OrgAbusePhone:  +1-862-404-3000 
OrgAbuseEmail:  hostmaster@bayer.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HOSTM1349-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "399076",
    "as_handle" : "AS399076",
    "as_name" : "BAYER-MEX",
    "tech_contacts" : [ "HOSTM1349-ARIN" ],
    "abuse_contacts" : [ "HOSTM1349-ARIN" ],
    "date_created" : "2020-12-11",
    "date_updated" : "2020-12-11",
    "source" : "https://rdap.arin.net/registry/autnum/399076"
  } ],
  "organization" : {
    "handle" : "BAYERC-2",
    "name" : "Bayer Corporation",
    "address" : [ "100 Bayer Road", "Pittsburgh", "PA", "15205", "US" ],
    "street" : "Bayer Road",
    "city" : "Pittsburgh",
    "state" : "PA",
    "zip_code" : "15205",
    "country" : [ "US" ],
    "date_created" : "1996-03-13",
    "date_updated" : "2008-12-01",
    "source" : "https://rdap.arin.net/registry/entity/BAYERC-2",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "HOSTM1349-ARIN",
    "name" : "Hostmaster",
    "email" : [ "hostmaster@bayer.com" ],
    "phone" : [ "+1-862-404-3000" ],
    "source" : "https://rdap.arin.net/registry/entity/HOSTM1349-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "HOSTM1349-ARIN",
    "name" : "Hostmaster",
    "email" : [ "hostmaster@bayer.com" ],
    "phone" : [ "+1-862-404-3000" ],
    "source" : "https://rdap.arin.net/registry/entity/HOSTM1349-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS8151	UNINET	MX
AS32787	Akamai Technologies, Inc.	US

Upstreams

AS Number	Description	Country
AS8151	UNINET	MX
AS32787	Akamai Technologies, Inc.	US

Frequently Asked Questions

What is ASN AS399076?

ASN AS399076 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS399076?

AS399076 is listed under Bayer Corporation.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.