ASN Lookup Tool

CrossSignal, LLC crosssignal.com US US 2 Routes

AS Data

AS401729

AS401729 – CrossSignal, LLC

AS Number 401729
AS Name CS-ASN1
Organization CrossSignal, LLC(cl-2336)
Country US
Website crosssignal.com
Number of IPv4 Routes 2
Number of IPv6 Routes 0
ASN type ISP
Registry ARIN
Date Allocated 2025-05-20

ASN Intelligence API for production workflows

Use ASN data for AS401729 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 # IPs
38.109.99.0/24 256
208.222.3.0/24 256

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:       401729
ASName:         CS-ASN1
ASHandle:       AS401729
RegDate:        2025-05-20
Updated:        2025-05-20    
Ref:            https://rdap.arin.net/registry/autnum/401729


OrgName:        CrossSignal, LLC
OrgId:          CL-2336
Address:        999 18th Street
Address:        Suite 3000
City:           Denver
StateProv:      CO
PostalCode:     80202
Country:        US
RegDate:        2025-05-07
Updated:        2025-05-19
Ref:            https://rdap.arin.net/registry/entity/CL-2336


OrgAbuseHandle: ADMIN9039-ARIN
OrgAbuseName:   Admin
OrgAbusePhone:  +1-855-202-7677 
OrgAbuseEmail:  noc@crosssignal.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ADMIN9039-ARIN

OrgTechHandle: ADMIN9039-ARIN
OrgTechName:   Admin
OrgTechPhone:  +1-855-202-7677 
OrgTechEmail:  noc@crosssignal.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN9039-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
AS1239 Cogent Communications, LLC US
AS701 Verizon Business/UUnet US
AS174 Cogent Communications, LLC US
AS701 Verizon Business US

Upstreams

AS Number Description Country
AS174 Cogent Communications, LLC US
AS701 Verizon Business US

Ready to get started?Get Started with IP Intelligence API Today

Get Started
CTA Illustration

Frequently Asked Questions

ASN AS401729 is an Autonomous System Number used to identify a network for BGP internet routing.
AS401729 is listed under CrossSignal, LLC.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.