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AS401815 Silis LLC | IPGeolocation.io

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

Silis LLC silis.com

US 3 Routes

AS Data

AS401815

AS401815 – Silis LLC

AS Number	401815
AS Name	SILIS
Organization	Silis LLC(sl-2237)
Country	US
Website	silis.com
Number of IPv4 Routes	1
Number of IPv6 Routes	2
ASN type	ISP
Registry	ARIN
Date Allocated	2025-07-08

ASN Intelligence API for production workflows

Use ASN data for AS401815 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
23.142.44.0/24	AS401815	Silis LLC	Silis LLC	256
2604:1760:18::/48	AS401815	Silis LLC	Silis LLC	~1×10²⁴
2604:1760::/44	AS401815	Silis LLC	Silis LLC	~19×10²⁴

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:       401815
ASName:         SILIS
ASHandle:       AS401815
RegDate:        2025-07-08
Updated:        2025-07-08    
Ref:            https://rdap.arin.net/registry/autnum/401815


OrgName:        Silis LLC
OrgId:          SL-2237
Address:        2108 N Street
Address:        Unit 6068
City:           Sacramento
StateProv:      CA
PostalCode:     95816
Country:        US
RegDate:        2025-06-30
Updated:        2025-07-03
Ref:            https://rdap.arin.net/registry/entity/SL-2237


OrgAbuseHandle: SILIS-ARIN
OrgAbuseName:   Silis, Mark 
OrgAbusePhone:  +1-415-251-2533 
OrgAbuseEmail:  admin@silis.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SILIS-ARIN

OrgTechHandle: SILIS-ARIN
OrgTechName:   Silis, Mark 
OrgTechPhone:  +1-415-251-2533 
OrgTechEmail:  admin@silis.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SILIS-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

Frequently Asked Questions

What is ASN AS401815?

ASN AS401815 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS401815?

AS401815 is listed under Silis 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.