ASN Lookup Tool

Spencer Stuart spencerstuart.com US US 5 Routes

AS Data

AS27313

AS27313 – Spencer Stuart

AS Number 27313
AS Name SPENCER-STUART
Organization Spencer Stuart(spence)
Country US
Website spencerstuart.com
Number of IPv4 Routes 5
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2008-05-12

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IP Ranges

Route # IPs
204.79.172.0/24 256
204.79.139.0/24 256
204.79.140.0/24 256
204.79.138.0/24 256
204.79.137.0/24 256

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:       27313
ASName:         SPENCER-STUART
ASHandle:       AS27313
RegDate:        2008-05-12
Updated:        2024-10-22
Comment:        -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----    
Ref:            https://rdap.arin.net/registry/autnum/27313


OrgName:        Spencer Stuart
OrgId:          SPENCE
Address:        353 N. Clark
Address:        Suite 2400
City:           Chicago
StateProv:      IL
PostalCode:     60654
Country:        US
RegDate:        1994-12-14
Updated:        2021-12-14
Comment:        Send abuse reports to abuse@spencerstuart.com. Privacy Policy is at
Comment:        http://www.spencerstuart.com
Ref:            https://rdap.arin.net/registry/entity/SPENCE

ReferralServer:  rwhois://rwhois1.spencerstuart.com:4321

OrgRoutingHandle: DRR50-ARIN
OrgRoutingName:   Romanski, Doug Rudolph
OrgRoutingPhone:  +1-312-396-3703 
OrgRoutingEmail:  dromanski@spencerstuart.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DRR50-ARIN

OrgTechHandle: MANCU21-ARIN
OrgTechName:   Mancuso, Adam 
OrgTechPhone:  +1-312-371-7297 
OrgTechEmail:  amancuso@spencerstuart.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MANCU21-ARIN

OrgAbuseHandle: ZS51-ARIN
OrgAbuseName:   Spencer Stuart
OrgAbusePhone:  +1-312-822-0088 
OrgAbuseEmail:  secops@spencerstuart.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZS51-ARIN

OrgTechHandle: RAJAY2-ARIN
OrgTechName:   Raja, Yasir 
OrgTechPhone:  +1-312-396-3765 
OrgTechEmail:  yraja@spencerstuart.com
OrgTechRef:    https://rdap.arin.net/registry/entity/RAJAY2-ARIN

OrgDNSHandle: ZS51-ARIN
OrgDNSName:   Spencer Stuart
OrgDNSPhone:  +1-312-822-0088 
OrgDNSEmail:  secops@spencerstuart.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/ZS51-ARIN

OrgNOCHandle: CHOIK12-ARIN
OrgNOCName:   Choi, Kyung 
OrgNOCPhone:  +1-312-822-0088 
OrgNOCEmail:  kchoi@spencerstuart.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/CHOIK12-ARIN

OrgDNSHandle: DRR50-ARIN
OrgDNSName:   Romanski, Doug Rudolph
OrgDNSPhone:  +1-312-396-3703 
OrgDNSEmail:  dromanski@spencerstuart.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/DRR50-ARIN

OrgDNSHandle: CHOIK12-ARIN
OrgDNSName:   Choi, Kyung 
OrgDNSPhone:  +1-312-822-0088 
OrgDNSEmail:  kchoi@spencerstuart.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/CHOIK12-ARIN

OrgNOCHandle: RAJAY2-ARIN
OrgNOCName:   Raja, Yasir 
OrgNOCPhone:  +1-312-396-3765 
OrgNOCEmail:  yraja@spencerstuart.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/RAJAY2-ARIN

OrgRoutingHandle: RAJAY2-ARIN
OrgRoutingName:   Raja, Yasir 
OrgRoutingPhone:  +1-312-396-3765 
OrgRoutingEmail:  yraja@spencerstuart.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/RAJAY2-ARIN

OrgTechHandle: DRR50-ARIN
OrgTechName:   Romanski, Doug Rudolph
OrgTechPhone:  +1-312-396-3703 
OrgTechEmail:  dromanski@spencerstuart.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DRR50-ARIN

OrgTechHandle: ZS51-ARIN
OrgTechName:   Spencer Stuart
OrgTechPhone:  +1-312-822-0088 
OrgTechEmail:  secops@spencerstuart.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS51-ARIN

OrgAbuseHandle: RAJAY2-ARIN
OrgAbuseName:   Raja, Yasir 
OrgAbusePhone:  +1-312-396-3765 
OrgAbuseEmail:  yraja@spencerstuart.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RAJAY2-ARIN

OrgNOCHandle: DRR50-ARIN
OrgNOCName:   Romanski, Doug Rudolph
OrgNOCPhone:  +1-312-396-3703 
OrgNOCEmail:  dromanski@spencerstuart.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/DRR50-ARIN

OrgDNSHandle: MANCU21-ARIN
OrgDNSName:   Mancuso, Adam 
OrgDNSPhone:  +1-312-371-7297 
OrgDNSEmail:  amancuso@spencerstuart.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/MANCU21-ARIN

OrgDNSHandle: RAJAY2-ARIN
OrgDNSName:   Raja, Yasir 
OrgDNSPhone:  +1-312-396-3765 
OrgDNSEmail:  yraja@spencerstuart.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/RAJAY2-ARIN

OrgTechHandle: CHOIK12-ARIN
OrgTechName:   Choi, Kyung 
OrgTechPhone:  +1-312-822-0088 
OrgTechEmail:  kchoi@spencerstuart.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CHOIK12-ARIN

OrgAbuseHandle: MANCU21-ARIN
OrgAbuseName:   Mancuso, Adam 
OrgAbusePhone:  +1-312-371-7297 
OrgAbuseEmail:  amancuso@spencerstuart.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MANCU21-ARIN

OrgRoutingHandle: CHOIK12-ARIN
OrgRoutingName:   Choi, Kyung 
OrgRoutingPhone:  +1-312-822-0088 
OrgRoutingEmail:  kchoi@spencerstuart.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CHOIK12-ARIN

OrgRoutingHandle: MANCU21-ARIN
OrgRoutingName:   Mancuso, Adam 
OrgRoutingPhone:  +1-312-371-7297 
OrgRoutingEmail:  amancuso@spencerstuart.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/MANCU21-ARIN

OrgAbuseHandle: DRR50-ARIN
OrgAbuseName:   Romanski, Doug Rudolph
OrgAbusePhone:  +1-312-396-3703 
OrgAbuseEmail:  dromanski@spencerstuart.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DRR50-ARIN

OrgRoutingHandle: ZS51-ARIN
OrgRoutingName:   Spencer Stuart
OrgRoutingPhone:  +1-312-822-0088 
OrgRoutingEmail:  secops@spencerstuart.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ZS51-ARIN

OrgNOCHandle: MANCU21-ARIN
OrgNOCName:   Mancuso, Adam 
OrgNOCPhone:  +1-312-371-7297 
OrgNOCEmail:  amancuso@spencerstuart.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/MANCU21-ARIN

OrgNOCHandle: ZS51-ARIN
OrgNOCName:   Spencer Stuart
OrgNOCPhone:  +1-312-822-0088 
OrgNOCEmail:  secops@spencerstuart.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZS51-ARIN

OrgAbuseHandle: CHOIK12-ARIN
OrgAbuseName:   Choi, Kyung 
OrgAbusePhone:  +1-312-822-0088 
OrgAbuseEmail:  kchoi@spencerstuart.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CHOIK12-ARIN

RAbuseHandle: RAJAY2-ARIN
RAbuseName:   Raja, Yasir 
RAbusePhone:  +1-312-396-3765 
RAbuseEmail:  yraja@spencerstuart.com
RAbuseRef:    https://rdap.arin.net/registry/entity/RAJAY2-ARIN

RNOCHandle: MANCU21-ARIN
RNOCName:   Mancuso, Adam 
RNOCPhone:  +1-312-371-7297 
RNOCEmail:  amancuso@spencerstuart.com
RNOCRef:    https://rdap.arin.net/registry/entity/MANCU21-ARIN

RTechHandle: DRR50-ARIN
RTechName:   Romanski, Doug Rudolph
RTechPhone:  +1-312-396-3703 
RTechEmail:  dromanski@spencerstuart.com
RTechRef:    https://rdap.arin.net/registry/entity/DRR50-ARIN

RAbuseHandle: MANCU21-ARIN
RAbuseName:   Mancuso, Adam 
RAbusePhone:  +1-312-371-7297 
RAbuseEmail:  amancuso@spencerstuart.com
RAbuseRef:    https://rdap.arin.net/registry/entity/MANCU21-ARIN

RNOCHandle: RAJAY2-ARIN
RNOCName:   Raja, Yasir 
RNOCPhone:  +1-312-396-3765 
RNOCEmail:  yraja@spencerstuart.com
RNOCRef:    https://rdap.arin.net/registry/entity/RAJAY2-ARIN

RAbuseHandle: DRR50-ARIN
RAbuseName:   Romanski, Doug Rudolph
RAbusePhone:  +1-312-396-3703 
RAbuseEmail:  dromanski@spencerstuart.com
RAbuseRef:    https://rdap.arin.net/registry/entity/DRR50-ARIN

RTechHandle: RAJAY2-ARIN
RTechName:   Raja, Yasir 
RTechPhone:  +1-312-396-3765 
RTechEmail:  yraja@spencerstuart.com
RTechRef:    https://rdap.arin.net/registry/entity/RAJAY2-ARIN

RNOCHandle: DRR50-ARIN
RNOCName:   Romanski, Doug Rudolph
RNOCPhone:  +1-312-396-3703 
RNOCEmail:  dromanski@spencerstuart.com
RNOCRef:    https://rdap.arin.net/registry/entity/DRR50-ARIN

RTechHandle: MANCU21-ARIN
RTechName:   Mancuso, Adam 
RTechPhone:  +1-312-371-7297 
RTechEmail:  amancuso@spencerstuart.com
RTechRef:    https://rdap.arin.net/registry/entity/MANCU21-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
AS3549 Level 3 Communications, Inc. (GBLX) US
AS1239 Cogent Communications, LLC US
AS16509 Amazon.com, Inc. US
AS14618 Amazon.com, Inc. US
AS273133 CONEX TV E.I.R.L. PE
AS3356 Level 3 Parent, LLC US
AS174 Cogent Communications, LLC US

Upstreams

AS Number Description Country
AS16509 Amazon.com, Inc. US
AS14618 Amazon.com, Inc. US
AS273133 CONEX TV E.I.R.L. PE
AS3356 Level 3 Parent, LLC US
AS174 Cogent Communications, LLC US

Downstreams

AS Number Description Country
AS273133 CONEX TV E.I.R.L. PE

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Frequently Asked Questions

ASN AS27313 is an Autonomous System Number used to identify a network for BGP internet routing.
AS27313 is listed under Spencer Stuart.
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.