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AS16534 Cboe | 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

Cboe cboe.com

US 2 Routes

AS Data

AS16534

AS16534 – Cboe

AS Number	16534
AS Name	HANWECK-ASSOCIATES-LLC
Organization	Cboe(cbl-172)
Country	US
Website	cboe.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2011-02-08

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Use ASN data for AS16534 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
64.124.177.0/24	AS16534	Cboe	Hanweck Associates	256
38.133.138.0/24	AS16534	Cboe	Hanweck Associates, 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:       16534
ASName:         HANWECK-ASSOCIATES-LLC
ASHandle:       AS16534
RegDate:        2011-02-08
Updated:        2023-12-14    
Ref:            https://rdap.arin.net/registry/autnum/16534


OrgName:        Cboe
OrgId:          CBL-172
Address:        433 W Van Buren St. 700S
City:           Chicago
StateProv:      IL
PostalCode:     60607
Country:        US
RegDate:        2023-06-09
Updated:        2023-07-12
Ref:            https://rdap.arin.net/registry/entity/CBL-172


OrgTechHandle: NETWO1912-ARIN
OrgTechName:   Network Engineering
OrgTechPhone:  +1-913-815-7005 
OrgTechEmail:  poc@cboe.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO1912-ARIN

OrgAbuseHandle: NETWO1914-ARIN
OrgAbuseName:   Network Abuse
OrgAbusePhone:  +1-312-786-7236 
OrgAbuseEmail:  netabuse@cboe.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO1914-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
AS6461	Zayo Bandwidth	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS6461	Zayo Bandwidth	US
AS174	Cogent Communications, LLC	US

Contacts

Email Contacts

poc@cboe.com

Abuse Contacts

netabuse@cboe.com

Frequently Asked Questions

What is ASN AS16534?

ASN AS16534 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS16534?

AS16534 is listed under Cboe.

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.