What is ASN AS397107?

ASN AS397107 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS397107?

AS397107 is listed under eCU Technology, LLC.

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.

AS397107 eCU Technology, LLC | IPGeolocation.io

ASN Lookup Tool

eCU Technology, LLC fscu.com

US 1 Routes

AS Data

AS397107

AS397107 – eCU Technology, LLC

AS Number	397107
AS Name	ECUTECHNOLOGY
Organization	eCU Technology, LLC(etl-122)
Country	US
Website	fscu.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2018-10-15

ASN Intelligence API for production workflows

Use ASN data for AS397107 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
8.33.243.0/24	AS397107	eCU Technology, LLC	eCU Technology, 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:       397107
ASName:         ECUTECHNOLOGY
ASHandle:       AS397107
RegDate:        2018-10-15
Updated:        2018-10-15
Comment:        ecutechnology.com    
Ref:            https://rdap.arin.net/registry/autnum/397107


OrgName:        eCU Technology, LLC
OrgId:          ETL-122
Address:        16430 Park Ten Place
City:           Houston
StateProv:      TX
PostalCode:     77084
Country:        US
RegDate:        2018-10-10
Updated:        2025-09-26
Ref:            https://rdap.arin.net/registry/entity/ETL-122


OrgNOCHandle: TENGS-ARIN
OrgNOCName:   Teng, Steve 
OrgNOCPhone:  +1-281-744-0888 
OrgNOCEmail:  steng@fscu.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/TENGS-ARIN

OrgRoutingHandle: TENGS-ARIN
OrgRoutingName:   Teng, Steve 
OrgRoutingPhone:  +1-281-744-0888 
OrgRoutingEmail:  steng@fscu.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/TENGS-ARIN

OrgAbuseHandle: TENGS-ARIN
OrgAbuseName:   Teng, Steve 
OrgAbusePhone:  +1-281-744-0888 
OrgAbuseEmail:  steng@fscu.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TENGS-ARIN

OrgDNSHandle: TENGS-ARIN
OrgDNSName:   Teng, Steve 
OrgDNSPhone:  +1-281-744-0888 
OrgDNSEmail:  steng@fscu.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/TENGS-ARIN

OrgTechHandle: TENGS-ARIN
OrgTechName:   Teng, Steve 
OrgTechPhone:  +1-281-744-0888 
OrgTechEmail:  steng@fscu.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TENGS-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
AS3356	Level 3 Parent, LLC	US
AS25956	Logix	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS25956	Logix	US