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AS399530 Cambridge Investment Research, Inc.

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

Cambridge Investment Research, Inc. cir2.com

US 1 Routes

AS Data

AS399530

AS399530 – Cambridge Investment Research, Inc.

AS Number	399530
AS Name	CIR-DC-02
Organization	Cambridge Investment Research, Inc.(cir-17)
Country	US
Website	cir2.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2021-04-07

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Use ASN data for AS399530 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
173.209.229.0/24	AS399530	Cambridge Investment Research, Inc.	Cambridge Investment Research, Inc.	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:       399530
ASName:         CIR-DC-02
ASHandle:       AS399530
RegDate:        2021-04-07
Updated:        2021-04-07
Comment:        https://cir2.com
Comment:        Standard NOC hours 7 AM to 7 PM CST    
Ref:            https://rdap.arin.net/registry/autnum/399530


OrgName:        Cambridge Investment Research, Inc.
OrgId:          CIR-17
Address:        1776 Pleasant Plain Rd.
City:           Fairfield
StateProv:      IA
PostalCode:     52556
Country:        US
RegDate:        2013-03-07
Updated:        2021-02-04
Comment:        Standard NOC hours 7AM to 7PM CST
Ref:            https://rdap.arin.net/registry/entity/CIR-17


OrgTechHandle: NOC13062-ARIN
OrgTechName:   NOC
OrgTechPhone:  +1-641-472-5100 
OrgTechEmail:  noc@cir2.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC13062-ARIN

OrgAbuseHandle: ABUSE3688-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-641-472-5100 
OrgAbuseEmail:  abuse@cir2.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3688-ARIN

OrgTechHandle: ULINM1-ARIN
OrgTechName:   Ulin, Michael 
OrgTechPhone:  +1-800-777-6080 
OrgTechEmail:  michael.ulin@cir2.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ULINM1-ARIN

OrgNOCHandle: NOC13062-ARIN
OrgNOCName:   NOC
OrgNOCPhone:  +1-641-472-5100 
OrgNOCEmail:  noc@cir2.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC13062-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
AS5056	Aureon Network Services	US

Upstreams

AS Number	Description	Country
AS5056	Aureon Network Services	US

Contacts

Email Contacts

noc@cir2.com michael.ulin@cir2.com

Abuse Contacts

abuse@cir2.com

Frequently Asked Questions

What is ASN AS399530?

ASN AS399530 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS399530?

AS399530 is listed under Cambridge Investment Research, Inc..

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.