ASN AS27358 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS27358?

AS27358 is listed under TRUSTMARK INSURANCE CO..

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.

AS27358 TRUSTMARK INSURANCE CO.

ASN Lookup Tool

TRUSTMARK INSURANCE CO. trustmarkinsurance.com

US 4 Routes

AS Data

AS27358

AS27358 – TRUSTMARK INSURANCE CO.

AS Number	27358
AS Name	TRUSTMARK-INSURANCE-INTERNET
Organization	TRUSTMARK INSURANCE CO.(trustm)
Country	US
Website	trustmarkinsurance.com
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2003-02-20

ASN Intelligence API for production workflows

Use ASN data for AS27358 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
12.131.116.0/24	AS27358	TRUSTMARK INSURANCE CO.	TRUSTMARK INSURANCE COMPANY A	256
63.86.88.0/24	AS27358	TRUSTMARK INSURANCE CO.	TRUSTMARK INSURANCE CO.	256
65.216.168.0/24	AS27358	TRUSTMARK INSURANCE CO.	Verizon Business	256
209.64.116.0/24	AS27358	TRUSTMARK INSURANCE CO.	AT&T Enterprises, LLC	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:       27358
ASName:         TRUSTMARK-INSURANCE-INTERNET
ASHandle:       AS27358
RegDate:        2003-02-20
Updated:        2025-04-29    
Ref:            https://rdap.arin.net/registry/autnum/27358


OrgName:        TRUSTMARK INSURANCE CO.
OrgId:          TRUSTM
Address:        400 FIELD DRIVE
City:           LAKE FOREST
StateProv:      IL
PostalCode:     60045
Country:        US
RegDate:        1995-12-18
Updated:        2025-04-29
Ref:            https://rdap.arin.net/registry/entity/TRUSTM


OrgTechHandle: GRS333-ARIN
OrgTechName:   Skonberg, Gregory R
OrgTechPhone:  +1-847-283-1169 
OrgTechEmail:  gregory.skonberg@trustmarkinsurance.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GRS333-ARIN

OrgTechHandle: CARDA7-ARIN
OrgTechName:   Cardamone, Brian 
OrgTechPhone:  +1-847-283-2561 
OrgTechEmail:  bcardamone@trustmarkbenefits.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CARDA7-ARIN

OrgAbuseHandle: GRS333-ARIN
OrgAbuseName:   Skonberg, Gregory R
OrgAbusePhone:  +1-847-283-1169 
OrgAbuseEmail:  gregory.skonberg@trustmarkinsurance.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/GRS333-ARIN

OrgAbuseHandle: CARDA7-ARIN
OrgAbuseName:   Cardamone, Brian 
OrgAbusePhone:  +1-847-283-2561 
OrgAbuseEmail:  bcardamone@trustmarkbenefits.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CARDA7-ARIN

RAbuseHandle: CARDA7-ARIN
RAbuseName:   Cardamone, Brian 
RAbusePhone:  +1-847-283-2561 
RAbuseEmail:  bcardamone@trustmarkbenefits.com
RAbuseRef:    https://rdap.arin.net/registry/entity/CARDA7-ARIN

RTechHandle: CARDA7-ARIN
RTechName:   Cardamone, Brian 
RTechPhone:  +1-847-283-2561 
RTechEmail:  bcardamone@trustmarkbenefits.com
RTechRef:    https://rdap.arin.net/registry/entity/CARDA7-ARIN

RTechHandle: GRS333-ARIN
RTechName:   Skonberg, Gregory R
RTechPhone:  +1-847-283-1169 
RTechEmail:  gregory.skonberg@trustmarkinsurance.com
RTechRef:    https://rdap.arin.net/registry/entity/GRS333-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
AS33491	Comcast Cable Communications, LLC	US
AS7018	AT&T Enterprises, LLC	US
AS701	Verizon Business/UUnet	US
AS701	Verizon Business	US

Upstreams

AS Number	Description	Country
AS33491	Comcast Cable Communications, LLC	US
AS7018	AT&T Enterprises, LLC	US
AS701	Verizon Business	US