ASN AS46903 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS46903?

AS46903 is listed under Athenahealth.

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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS46903 Athenahealth | IPGeolocation.io

ASN Lookup Tool

Athenahealth athenahealth.com

US 4 Routes

AS Data

AS46903

AS46903 – Athenahealth

AS Number	46903
AS Name	AS-RCH1-1
Organization	Athenahealth(athen-1)
Country	US
Website	athenahealth.com
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2019-01-04

ASN Intelligence API for production workflows

Use ASN data for AS46903 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
198.36.124.0/22	AS46903	Athenahealth	Athenahealth	1024
198.36.120.0/22	AS46903	Athenahealth	Athenahealth	1024
162.220.218.0/24	AS46903	Athenahealth	Athenahealth	256
162.220.216.0/24	AS46903	Athenahealth	Athenahealth	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:       46903
ASName:         AS-RCH1-1
ASHandle:       AS46903
RegDate:        2019-01-04
Updated:        2019-01-04    
Ref:            https://rdap.arin.net/registry/autnum/46903


OrgName:        Athenahealth
OrgId:          ATHEN-1
Address:        311 Arsenal Street
City:           Watertown
StateProv:      MA
PostalCode:     02472
Country:        US
RegDate:        2006-09-01
Updated:        2014-08-11
Comment:        http://www.athenahealth.com/
Ref:            https://rdap.arin.net/registry/entity/ATHEN-1


OrgTechHandle: VENDO-ARIN
OrgTechName:   VendorContact
OrgTechPhone:  +1-617-402-1000 
OrgTechEmail:  VendorContact@athenahealth.com
OrgTechRef:    https://rdap.arin.net/registry/entity/VENDO-ARIN

OrgAbuseHandle: ABUSE1621-ARIN
OrgAbuseName:   Abuse Desk
OrgAbusePhone:  +1-617-402-1000 
OrgAbuseEmail:  abuse@athenahealth.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1621-ARIN

OrgTechHandle: NETWO7088-ARIN
OrgTechName:   Network maintanance
OrgTechPhone:  +1-617-402-1400 
OrgTechEmail:  netmaint@athenahealth.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO7088-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
AS7018	AT&T Enterprises, LLC	US
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS174	Cogent Communications, LLC	US