ASN AS11406 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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AS11406 CIGNA | IPGeolocation.io

ASN Lookup Tool

CIGNA cigna.com

US 21 Routes

AS Data

AS11406

AS11406 – CIGNA

AS Number	11406
AS Name	CIGNA-1
Organization	CIGNA(cigna-7)
Country	US
Website	cigna.com
Number of IPv4 Routes	21
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2010-03-05

ASN Intelligence API for production workflows

Use ASN data for AS11406 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
170.48.43.0/24	AS11406	CIGNA	CIGNA	256
170.48.11.0/24	AS11406	CIGNA	CIGNA	256
170.48.0.0/24	AS11406	CIGNA	CIGNA	256
170.48.1.0/24	AS11406	CIGNA	CIGNA	256
170.48.7.0/24	AS11406	CIGNA	CIGNA	256
170.48.12.0/24	AS11406	CIGNA	CIGNA	256
170.48.33.0/24	AS11406	CIGNA	CIGNA	256
170.48.14.0/24	AS11406	CIGNA	CIGNA	256
170.48.0.0/20	AS11406	CIGNA	CIGNA	4096
170.48.10.0/24	AS11406	CIGNA	CIGNA	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:       11406
ASName:         CIGNA-1
ASHandle:       AS11406
RegDate:        2010-03-05
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/11406


OrgName:        CIGNA
OrgId:          CIGNA-7
Address:        300 Bellevue Drive
City:           Wilmington
StateProv:      DE
PostalCode:     19809
Country:        US
RegDate:        2010-02-01
Updated:        2016-04-01
Ref:            https://rdap.arin.net/registry/entity/CIGNA-7


OrgTechHandle: CIGNA2-ARIN
OrgTechName:   CIGNAtech
OrgTechPhone:  +1-952-358-4190 
OrgTechEmail:  arin-tech@cigna.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CIGNA2-ARIN

OrgAbuseHandle: CIGNA1-ARIN
OrgAbuseName:   CIGNAabuse
OrgAbusePhone:  +1-877-902-4462 
OrgAbuseEmail:  arin-abuse@cigna.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CIGNA1-ARIN

OrgNOCHandle: CIGNA-ARIN
OrgNOCName:   CIGNANOC
OrgNOCPhone:  +1-877-902-4462 
OrgNOCEmail:  arin-noc@cigna.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/CIGNA-ARIN

RAbuseHandle: CIGNA1-ARIN
RAbuseName:   CIGNAabuse
RAbusePhone:  +1-877-902-4462 
RAbuseEmail:  arin-abuse@cigna.com
RAbuseRef:    https://rdap.arin.net/registry/entity/CIGNA1-ARIN

RTechHandle: CIGNA2-ARIN
RTechName:   CIGNAtech
RTechPhone:  +1-952-358-4190 
RTechEmail:  arin-tech@cigna.com
RTechRef:    https://rdap.arin.net/registry/entity/CIGNA2-ARIN

RNOCHandle: CIGNA-ARIN
RNOCName:   CIGNANOC
RNOCPhone:  +1-877-902-4462 
RNOCEmail:  arin-noc@cigna.com
RNOCRef:    https://rdap.arin.net/registry/entity/CIGNA-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
AS3356	Level 3 Parent, LLC	US
AS174	Cogent Communications, LLC	US
AS32787	Akamai Technologies, Inc.	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS174	Cogent Communications, LLC	US
AS32787	Akamai Technologies, Inc.	US

Contacts

Email Contacts

arin-tech@cigna.com

Abuse Contacts

arin-abuse@cigna.com

Legacy Routes

170.48.0.0/18 208.242.12.0/22