ASN Lookup Tool

Peak6 Group LLC peak6.com US US 4 Routes

AS Data

AS36539

AS36539 – Peak6 Group LLC

AS Number 36539
AS Name PEAK6
Organization Peak6 Group LLC(pil-48)
Country US
Website peak6.com
Number of IPv4 Routes 4
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2006-01-26

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Use ASN data for AS36539 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
204.48.42.0/23 512
38.98.137.0/24 256
208.79.124.0/24 256
204.48.42.0/24 256

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:       36539
ASName:         PEAK6
ASHandle:       AS36539
RegDate:        2006-01-26
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/36539


OrgName:        Peak6 Group LLC
OrgId:          PIL-48
Address:        141 W. Jackson Blvd.
Address:        Suite 500
City:           Chicago
StateProv:      IL
PostalCode:     60604
Country:        US
RegDate:        2005-12-07
Updated:        2024-11-08
Ref:            https://rdap.arin.net/registry/entity/PIL-48


OrgAbuseHandle: JS3079-ARIN
OrgAbuseName:   Slepicka, James 
OrgAbusePhone:  +1-312-444-8086 
OrgAbuseEmail:  jslepicka@peak6.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JS3079-ARIN

OrgTechHandle: BENED47-ARIN
OrgTechName:   Benedict, Brad 
OrgTechPhone:  +1-312-444-8502 
OrgTechEmail:  bbenedict@peak6.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BENED47-ARIN

OrgTechHandle: JS3079-ARIN
OrgTechName:   Slepicka, James 
OrgTechPhone:  +1-312-444-8086 
OrgTechEmail:  jslepicka@peak6.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JS3079-ARIN

OrgTechHandle: ELH3-ARIN
OrgTechName:   Heinz, Erik L
OrgTechPhone:  +1-312-444-8000 
OrgTechEmail:  eheinz@peak6.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ELH3-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
AS3561 CenturyLink Communications, LLC US
AS1239 Cogent Communications, LLC US
AS5483 Magyar Telekom Plc. HU
AS174 Cogent Communications, LLC US

Upstreams

AS Number Description Country
AS3561 CenturyLink Communications, LLC US
AS5483 Magyar Telekom Plc. HU
AS174 Cogent Communications, LLC US

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Frequently Asked Questions

ASN AS36539 is an Autonomous System Number used to identify a network for BGP internet routing.
AS36539 is listed under Peak6 Group 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.