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.

AS397904 Avangrid Renewables, LLC

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

Avangrid Renewables, LLC avangrid.com

US 1 Routes

AS Data

AS397904

AS397904 – Avangrid Renewables, LLC

AS Number	397904
AS Name	PDX-AREN
Organization	Avangrid Renewables, LLC(arl-147)
Country	US
Website	avangrid.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2019-09-04

ASN Intelligence API for production workflows

Use ASN data for AS397904 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
70.96.228.0/24	AS397904	Avangrid Renewables, LLC	Allstream Business US, LLC	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:       397904
ASName:         PDX-AREN
ASHandle:       AS397904
RegDate:        2019-09-04
Updated:        2019-09-04    
Ref:            https://rdap.arin.net/registry/autnum/397904


OrgName:        Avangrid Renewables, LLC
OrgId:          ARL-147
Address:        1125 NW Couch St. Ste. 600
City:           Portland
StateProv:      OR
PostalCode:     97209
Country:        US
RegDate:        2019-06-11
Updated:        2019-06-11
Ref:            https://rdap.arin.net/registry/entity/ARL-147


OrgAbuseHandle: NETOP334-ARIN
OrgAbuseName:   Netops
OrgAbusePhone:  +1-503-701-6841 
OrgAbuseEmail:  ITNetworkEngineers@avangrid.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETOP334-ARIN

OrgTechHandle: NETOP334-ARIN
OrgTechName:   Netops
OrgTechPhone:  +1-503-701-6841 
OrgTechEmail:  ITNetworkEngineers@avangrid.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETOP334-ARIN

OrgNOCHandle: NETOP334-ARIN
OrgNOCName:   Netops
OrgNOCPhone:  +1-503-701-6841 
OrgNOCEmail:  ITNetworkEngineers@avangrid.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETOP334-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
AS7385	Allstream Business US, LLC	US

Upstreams

AS Number	Description	Country
AS7385	Allstream Business US, LLC	US

Frequently Asked Questions

What is ASN AS397904?

ASN AS397904 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS397904?

AS397904 is listed under Avangrid Renewables, LLC.

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.