What is ASN AS401376?

ASN AS401376 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS401376?

AS401376 is listed under ATLAS NETWORKS 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.

AS401376 ATLAS NETWORKS INC | IPGeolocation.io

ASN Lookup Tool

ATLAS NETWORKS INC x-atlas.com

US 1 Routes

AS Data

AS401376

AS401376 – ATLAS NETWORKS INC

AS Number	401376
AS Name	ATLAS NETWORKS INC
Organization	ATLAS NETWORKS INC(an-819)
Country	US
Website	x-atlas.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2025-12-22

ASN Intelligence API for production workflows

Use ASN data for AS401376 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
23.151.204.0/24	AS401376	ATLAS NETWORKS INC	ATLAS NETWORKS 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:       401376
ASName:         ATLAS NETWORKS INC
ASHandle:       AS401376
RegDate:        2025-12-22
Updated:        2025-12-22    
Ref:            https://rdap.arin.net/registry/autnum/401376


OrgName:        ATLAS NETWORKS INC
OrgId:          AN-819
Address:        25 First Ave. SW STE A
City:           Watertown
StateProv:      SD
PostalCode:     57201
Country:        US
RegDate:        2025-11-27
Updated:        2025-12-17
Ref:            https://rdap.arin.net/registry/entity/AN-819


OrgNOCHandle: ATLAS3-ARIN
OrgNOCName:   ATLAS NETWORKS INC
OrgNOCPhone:  +1-605-882-6131 
OrgNOCEmail:  guiyuan.xu@x-atlas.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ATLAS3-ARIN

OrgDNSHandle: ATLAS3-ARIN
OrgDNSName:   ATLAS NETWORKS INC
OrgDNSPhone:  +1-605-882-6131 
OrgDNSEmail:  guiyuan.xu@x-atlas.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/ATLAS3-ARIN

OrgTechHandle: ATLAS3-ARIN
OrgTechName:   ATLAS NETWORKS INC
OrgTechPhone:  +1-605-882-6131 
OrgTechEmail:  guiyuan.xu@x-atlas.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ATLAS3-ARIN

OrgRoutingHandle: ATLAS3-ARIN
OrgRoutingName:   ATLAS NETWORKS INC
OrgRoutingPhone:  +1-605-882-6131 
OrgRoutingEmail:  guiyuan.xu@x-atlas.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ATLAS3-ARIN

OrgAbuseHandle: ATLAS3-ARIN
OrgAbuseName:   ATLAS NETWORKS INC
OrgAbusePhone:  +1-605-882-6131 
OrgAbuseEmail:  guiyuan.xu@x-atlas.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ATLAS3-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
AS20473	The Constant Company, LLC	US

Upstreams

AS Number	Description	Country
AS20473	The Constant Company, LLC	US