ASN Lookup Tool

MCSNet mcs.com US US 0 Routes

AS Data

AS7729

AS7729 – MCSNet

AS Number 7729
AS Name CHI-IX
Organization MCSNet(mcsnet)
Country US
Website mcs.com
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type ISP
Registry ARIN
Date Allocated 1996-12-23

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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:       7729
ASName:         CHI-IX
ASHandle:       AS7729
RegDate:        1996-12-23
Updated:        1996-12-23    
Ref:            https://rdap.arin.net/registry/autnum/7729


OrgName:        MCSNet
OrgId:          MCSNET
Address:        Two Prudential Plaza, Suite 2625
City:           Chicago
StateProv:      IL
PostalCode:     60601
Country:        US
RegDate:        1996-12-23
Updated:        2012-10-10
Ref:            https://rdap.arin.net/registry/entity/MCSNET


OrgTechHandle: KD124-ARIN
OrgTechName:   Denninger, Karl 
OrgTechPhone:  +1-312-803-6271 
OrgTechEmail:  karl@mcs.com
OrgTechRef:    https://rdap.arin.net/registry/entity/KD124-ARIN

OrgAbuseHandle: KD124-ARIN
OrgAbuseName:   Denninger, Karl 
OrgAbusePhone:  +1-312-803-6271 
OrgAbuseEmail:  karl@mcs.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/KD124-ARIN

RTechHandle: KD124-ARIN
RTechName:   Denninger, Karl 
RTechPhone:  +1-312-803-6271 
RTechEmail:  karl@mcs.com
RTechRef:    https://rdap.arin.net/registry/entity/KD124-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

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Frequently Asked Questions

ASN AS7729 is an Autonomous System Number used to identify a network for BGP internet routing.
AS7729 is listed under MCSNet.
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.