What is ASN AS400585?

ASN AS400585 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400585?

AS400585 is listed under Michael Baker International, Inc..

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS400585 Michael Baker International, Inc.

ASN Lookup Tool

Michael Baker International, Inc. mbakerintl.com

US 5 Routes

AS Data

AS400585

AS400585 – Michael Baker International, Inc.

AS Number	400585
AS Name	MBI-ASN01
Organization	Michael Baker International, Inc.(mbi-66)
Country	US
Website	mbakerintl.com
Number of IPv4 Routes	5
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2022-03-30

ASN Intelligence API for production workflows

Use ASN data for AS400585 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
23.134.154.0/24	AS400585	Michael Baker International, Inc.	Michael Baker International, Inc.	256
23.134.152.0/24	AS400585	Michael Baker International, Inc.	Michael Baker International, Inc.	256
23.134.153.0/24	AS400585	Michael Baker International, Inc.	Michael Baker International, Inc.	256
192.189.162.0/24	AS400585	Michael Baker International, Inc.	Michael Baker International, Inc.	256
192.189.163.0/24	AS400585	Michael Baker International, Inc.	Michael Baker International, Inc.	256

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:       400585
ASName:         MBI-ASN01
ASHandle:       AS400585
RegDate:        2022-03-30
Updated:        2022-03-30    
Ref:            https://rdap.arin.net/registry/autnum/400585


OrgName:        Michael Baker International, Inc.
OrgId:          MBI-66
Address:        500 GRANT STREET
Address:        SUITE 5400
City:           PITTSBURGH
StateProv:      PA
PostalCode:     15219
Country:        US
RegDate:        2022-02-22
Updated:        2025-12-01
Ref:            https://rdap.arin.net/registry/entity/MBI-66


OrgTechHandle: TECH1312-ARIN
OrgTechName:   Tech
OrgTechPhone:  +1-206-288-6022 
OrgTechEmail:  ITSNetworking@mbakerintl.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TECH1312-ARIN

OrgDNSHandle: TECH1312-ARIN
OrgDNSName:   Tech
OrgDNSPhone:  +1-206-288-6022 
OrgDNSEmail:  ITSNetworking@mbakerintl.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/TECH1312-ARIN

OrgNOCHandle: TECH1312-ARIN
OrgNOCName:   Tech
OrgNOCPhone:  +1-206-288-6022 
OrgNOCEmail:  ITSNetworking@mbakerintl.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/TECH1312-ARIN

OrgRoutingHandle: TECH1312-ARIN
OrgRoutingName:   Tech
OrgRoutingPhone:  +1-206-288-6022 
OrgRoutingEmail:  ITSNetworking@mbakerintl.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/TECH1312-ARIN

OrgAbuseHandle: TECH1312-ARIN
OrgAbuseName:   Tech
OrgAbusePhone:  +1-206-288-6022 
OrgAbuseEmail:  ITSNetworking@mbakerintl.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TECH1312-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

Peers

AS Number	Description	Country
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS701	Verizon Business/UUnet	US
AS3356	Level 3 Parent, LLC	US
AS701	Verizon Business	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS701	Verizon Business	US