ASN AS46552 is an Autonomous System Number used to identify a network for BGP internet routing.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS46552 RSM | IPGeolocation.io

ASN Lookup Tool

RSM rsmus.com

US 12 Routes

AS Data

AS46552

AS46552 – RSM

AS Number	46552
AS Name	RSMUS-IAAS
Organization	RSM(ml-453)
Country	US
Website	rsmus.com
Number of IPv4 Routes	12
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2014-06-05

ASN Intelligence API for production workflows

Use ASN data for AS46552 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
173.240.64.0/23	AS46552	RSM	RSM	512
173.240.76.0/23	AS46552	RSM	RSM	512
208.88.236.0/22	AS46552	RSM	RSM	1024
208.88.238.0/23	AS46552	RSM	RSM	512
208.88.236.0/23	AS46552	RSM	RSM	512
173.240.78.0/23	AS46552	RSM	RSM	512
173.240.76.0/22	AS46552	RSM	RSM	1024
173.240.71.0/24	AS46552	RSM	RSM	256
173.240.74.0/23	AS46552	RSM	RSM	512
173.240.72.0/23	AS46552	RSM	RSM	512

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:       46552
ASName:         RSMUS-IAAS
ASHandle:       AS46552
RegDate:        2014-06-05
Updated:        2024-07-22    
Ref:            https://rdap.arin.net/registry/autnum/46552


OrgName:        RSM
OrgId:          ML-453
Address:        One S. Wacker Drive, Suite 800
City:           Chicago
StateProv:      IL
PostalCode:     60606
Country:        US
RegDate:        2014-04-29
Updated:        2024-09-09
Ref:            https://rdap.arin.net/registry/entity/ML-453


OrgAbuseHandle: NOC31764-ARIN
OrgAbuseName:   NOC
OrgAbusePhone:  +1-888-678-5536 
OrgAbuseEmail:  kyle.slaughter@rsmus.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC31764-ARIN

OrgDNSHandle: NOC31764-ARIN
OrgDNSName:   NOC
OrgDNSPhone:  +1-888-678-5536 
OrgDNSEmail:  kyle.slaughter@rsmus.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/NOC31764-ARIN

OrgRoutingHandle: NOC31764-ARIN
OrgRoutingName:   NOC
OrgRoutingPhone:  +1-888-678-5536 
OrgRoutingEmail:  kyle.slaughter@rsmus.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NOC31764-ARIN

OrgNOCHandle: NOC31764-ARIN
OrgNOCName:   NOC
OrgNOCPhone:  +1-888-678-5536 
OrgNOCEmail:  kyle.slaughter@rsmus.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC31764-ARIN

OrgTechHandle: TECHN1265-ARIN
OrgTechName:   Technical
OrgTechPhone:  +1-888-678-5536 
OrgTechEmail:  cloud@rsmus.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN1265-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
AS26554	US Signal Company, L.L.C.	US
AS14230	ARK Data Centers LLC	US
AS6461	Zayo Bandwidth	US
AS393238	ImOn Communications, LLC	US

Upstreams

AS Number	Description	Country
AS26554	US Signal Company, L.L.C.	US
AS14230	ARK Data Centers LLC	US
AS6461	Zayo Bandwidth	US
AS393238	ImOn Communications, LLC	US