ASN AS40499 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS40499?

AS40499 is listed under Washington Gas.

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.

AS40499 Washington Gas | IPGeolocation.io

ASN Lookup Tool

Washington Gas altagas.ca

US 6 Routes

AS Data

AS40499

AS40499 – Washington Gas

AS Number	40499
AS Name	WG
Organization	Washington Gas(wgl-23)
Country	US
Website	altagas.ca
Number of IPv4 Routes	6
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2007-03-29

ASN Intelligence API for production workflows

Use ASN data for AS40499 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
208.76.234.0/24	AS40499	Washington Gas	Washington Gas	256
208.76.238.0/24	AS40499	Washington Gas	Washington Gas	256
208.76.236.0/24	AS40499	Washington Gas	Washington Gas	256
208.76.235.0/24	AS40499	Washington Gas	Washington Gas	256
208.76.233.0/24	AS40499	Washington Gas	Washington Gas	256
208.76.232.0/24	AS40499	Washington Gas	Washington Gas	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:       40499
ASName:         WG
ASHandle:       AS40499
RegDate:        2007-03-29
Updated:        2024-05-29    
Ref:            https://rdap.arin.net/registry/autnum/40499


OrgName:        Washington Gas
OrgId:          WGL-23
Address:        6801 Industrial Road
City:           Springfield
StateProv:      VA
PostalCode:     22151
Country:        US
RegDate:        2007-03-26
Updated:        2024-05-29
Ref:            https://rdap.arin.net/registry/entity/WGL-23


OrgTechHandle: APC27-ARIN
OrgTechName:   AltaGas Parent Contact
OrgTechPhone:  +1-587-955-4543 
OrgTechEmail:  michael.callahan@altagas.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/APC27-ARIN

OrgRoutingHandle: APC27-ARIN
OrgRoutingName:   AltaGas Parent Contact
OrgRoutingPhone:  +1-587-955-4543 
OrgRoutingEmail:  michael.callahan@altagas.ca
OrgRoutingRef:    https://rdap.arin.net/registry/entity/APC27-ARIN

OrgAbuseHandle: APC27-ARIN
OrgAbuseName:   AltaGas Parent Contact
OrgAbusePhone:  +1-587-955-4543 
OrgAbuseEmail:  michael.callahan@altagas.ca
OrgAbuseRef:    https://rdap.arin.net/registry/entity/APC27-ARIN

OrgNOCHandle: APC27-ARIN
OrgNOCName:   AltaGas Parent Contact
OrgNOCPhone:  +1-587-955-4543 
OrgNOCEmail:  michael.callahan@altagas.ca
OrgNOCRef:    https://rdap.arin.net/registry/entity/APC27-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
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS32550	Equinix, Inc.	US
AS15830	Equinix (EMEA) Acquisition Enterprises B.V.	NL
AS22773	Cox Communications Inc.	US

Upstreams

AS Number	Description	Country
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS32550	Equinix, Inc.	US
AS22773	Cox Communications Inc.	US