ASN AS40729 is an Autonomous System Number used to identify a network for BGP internet routing.

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.

AS40729 AECOM | IPGeolocation.io

ASN Lookup Tool

AECOM aecom.com

US 2 Routes

AS Data

AS40729

AS40729 – AECOM

AS Number	40729
AS Name	ECDC2013
Organization	AECOM(aecomc)
Country	US
Website	aecom.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2013-08-06

ASN Intelligence API for production workflows

Use ASN data for AS40729 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
144.78.192.0/23	AS40729	AECOM	AECOM	512
144.78.194.0/23	AS40729	AECOM	AECOM	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:       40729
ASName:         ECDC2013
ASHandle:       AS40729
RegDate:        2013-08-06
Updated:        2019-05-15    
Ref:            https://rdap.arin.net/registry/autnum/40729


OrgName:        AECOM
OrgId:          AECOMC
Address:        1999 Avenue of the Stars
Address:        Suite 2600
City:           Los Angeles
StateProv:      CA
PostalCode:     90067
Country:        US
RegDate:        1999-04-28
Updated:        2024-06-26
Ref:            https://rdap.arin.net/registry/entity/AECOMC


OrgAbuseHandle: LAUCH3-ARIN
OrgAbuseName:   Lauchlan, Graeme 
OrgAbusePhone:  +447503 641062 
OrgAbuseEmail:  graeme.lauchlan@aecom.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LAUCH3-ARIN

OrgTechHandle: LAUCH3-ARIN
OrgTechName:   Lauchlan, Graeme 
OrgTechPhone:  +447503 641062 
OrgTechEmail:  graeme.lauchlan@aecom.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LAUCH3-ARIN

OrgTechHandle: IPADM814-ARIN
OrgTechName:   IP Admin
OrgTechPhone:  +1-212-610-5663 
OrgTechEmail:  ipinfo@hilcostreambank.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPADM814-ARIN

OrgAbuseHandle: DOUGL278-ARIN
OrgAbuseName:   Douglass, Chris 
OrgAbusePhone:  +1-972-788-1000 
OrgAbuseEmail:  penguinpwrd@gmail.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DOUGL278-ARIN

OrgTechHandle: DOUGL278-ARIN
OrgTechName:   Douglass, Chris 
OrgTechPhone:  +1-972-788-1000 
OrgTechEmail:  penguinpwrd@gmail.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DOUGL278-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
AS4637	Telstra International Limited	HK
AS4637	Telstra Global	HK
AS6461	Zayo Bandwidth	US

Upstreams

AS Number	Description	Country
AS4637	Telstra International Limited	HK
AS6461	Zayo Bandwidth	US