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AS18721 ACD/Labs | 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

ACD/Labs buantel.com

CA 1 Routes

AS Data

AS18721

AS18721 – ACD/Labs

AS Number	18721
AS Name	ACDLABS-AS
Organization	ACD/Labs(acd-26)
Country	CA
Website	buantel.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2010-12-30

ASN Intelligence API for production workflows

Use ASN data for AS18721 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
204.153.135.0/24	AS18721	ACD/Labs	ACD/Labs	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:       18721
ASName:         ACDLABS-AS
ASHandle:       AS18721
RegDate:        2010-12-30
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/18721


OrgName:        ACD/Labs
OrgId:          ACD-26
Address:        8 King Street East
Address:        Suite 107
City:           Toronto
StateProv:      ON
PostalCode:     M5C 1B5
Country:        CA
RegDate:        2010-11-09
Updated:        2025-08-20
Comment:        http://www.acdlabs.com/
Comment:        Standard NOC hours are 9-5PM EST
Ref:            https://rdap.arin.net/registry/entity/ACD-26


OrgNOCHandle: RMB35-ARIN
OrgNOCName:   Buan, Rodito Milan
OrgNOCPhone:  +1-416-918-4056 
OrgNOCEmail:  rmbuan@buantel.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/RMB35-ARIN

OrgAbuseHandle: RMB35-ARIN
OrgAbuseName:   Buan, Rodito Milan
OrgAbusePhone:  +1-416-918-4056 
OrgAbuseEmail:  rmbuan@buantel.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RMB35-ARIN

OrgTechHandle: RMB35-ARIN
OrgTechName:   Buan, Rodito Milan
OrgTechPhone:  +1-416-918-4056 
OrgTechEmail:  rmbuan@buantel.com
OrgTechRef:    https://rdap.arin.net/registry/entity/RMB35-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
AS13768	Aptum Technologies	CA

Upstreams

AS Number	Description	Country
AS13768	Aptum Technologies	CA

Frequently Asked Questions

What is ASN AS18721?

ASN AS18721 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18721?

AS18721 is listed under ACD/Labs.

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.