ASN AS6646 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS6646?

AS6646 is listed under Aetna, Inc..

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.

AS6646 Aetna, Inc. | IPGeolocation.io

ASN Lookup Tool

Aetna, Inc. aetna.com

US 20 Routes

AS Data

AS6646

AS6646 – Aetna, Inc.

AS Number	6646
AS Name	AETNA
Organization	Aetna, Inc.(aetna-1)
Country	US
Website	aetna.com
Number of IPv4 Routes	20
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1996-06-14

ASN Intelligence API for production workflows

Use ASN data for AS6646 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
206.213.241.0/24	AS6646	Aetna, Inc.	NYLCare Corp.	256
206.213.254.0/24	AS6646	Aetna, Inc.	NYLCare Corp.	256
206.213.246.0/24	AS6646	Aetna, Inc.	NYLCare Corp.	256
206.213.233.0/24	AS6646	Aetna, Inc.	NYLCare Corp.	256
206.213.211.0/24	AS6646	Aetna, Inc.	NYLCare Corp.	256
206.213.197.0/24	AS6646	Aetna, Inc.	NYLCare Corp.	256
206.213.243.0/24	AS6646	Aetna, Inc.	NYLCare Corp.	256
206.213.224.0/19	AS6646	Aetna, Inc.	NYLCare Corp.	8192
206.213.209.0/24	AS6646	Aetna, Inc.	NYLCare Corp.	256
206.213.253.0/24	AS6646	Aetna, Inc.	NYLCare Corp.	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:       6646
ASName:         AETNA
ASHandle:       AS6646
RegDate:        1996-06-14
Updated:        2003-05-23    
Ref:            https://rdap.arin.net/registry/autnum/6646


OrgName:        Aetna, Inc.
OrgId:          AETNA-1
Address:        151 Farmington Avenue
City:           Hartford
StateProv:      CT
PostalCode:     06156
Country:        US
RegDate:        1996-06-14
Updated:        2019-11-07
Ref:            https://rdap.arin.net/registry/entity/AETNA-1


OrgTechHandle: HOSTM190-ARIN
OrgTechName:   HostMaster
OrgTechPhone:  +1-860-636-9898 
OrgTechEmail:  hostmaster@aetna.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM190-ARIN

OrgAbuseHandle: HOSTM190-ARIN
OrgAbuseName:   HostMaster
OrgAbusePhone:  +1-860-636-9898 
OrgAbuseEmail:  hostmaster@aetna.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HOSTM190-ARIN

RTechHandle: HOSTM190-ARIN
RTechName:   HostMaster
RTechPhone:  +1-860-636-9898 
RTechEmail:  hostmaster@aetna.com
RTechRef:    https://rdap.arin.net/registry/entity/HOSTM190-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
AS46887	Crown Castle Fiber LLC	US
AS7018	AT&T Enterprises, LLC	US
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS7018	AT&T Enterprises, LLC	US
AS3356	Level 3 Parent, LLC	US