ASN AS40374 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS40374?

AS40374 is listed under High Density Hosting, 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?

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AS40374 High Density Hosting, Inc.

ASN Lookup Tool

High Density Hosting, Inc. siuins.com

US 1 Routes

AS Data

AS40374

AS40374 – High Density Hosting, Inc.

AS Number	40374
AS Name	HIDHO
Organization	High Density Hosting, Inc.(hdh-3)
Country	US
Website	siuins.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	HOSTING
Registry	ARIN
Date Allocated	2007-02-06

ASN Intelligence API for production workflows

Use ASN data for AS40374 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
170.55.171.0/24	AS40374	High Density Hosting, Inc.	Southern Insurance Underwriters, Inc	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:       40374
ASName:         HIDHO
ASHandle:       AS40374
RegDate:        2007-02-06
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/40374


OrgName:        High Density Hosting, Inc.
OrgId:          HDH-3
Address:        4500 Mansell Road
City:           Alpharetta
StateProv:      GA
PostalCode:     30022
Country:        US
RegDate:        2006-12-13
Updated:        2006-12-13
Ref:            https://rdap.arin.net/registry/entity/HDH-3


OrgNOCHandle: NETWO1142-ARIN
OrgNOCName:   Network Manager
OrgNOCPhone:  +1-678-498-4694 
OrgNOCEmail:  netmgr@siuins.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO1142-ARIN

OrgTechHandle: NETWO1142-ARIN
OrgTechName:   Network Manager
OrgTechPhone:  +1-678-498-4694 
OrgTechEmail:  netmgr@siuins.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO1142-ARIN

OrgAbuseHandle: NETWO1142-ARIN
OrgAbuseName:   Network Manager
OrgAbusePhone:  +1-678-498-4694 
OrgAbuseEmail:  netmgr@siuins.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO1142-ARIN

RAbuseHandle: NETWO1142-ARIN
RAbuseName:   Network Manager
RAbusePhone:  +1-678-498-4694 
RAbuseEmail:  netmgr@siuins.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO1142-ARIN

RTechHandle: NETWO1142-ARIN
RTechName:   Network Manager
RTechPhone:  +1-678-498-4694 
RTechEmail:  netmgr@siuins.com
RTechRef:    https://rdap.arin.net/registry/entity/NETWO1142-ARIN

RNOCHandle: NETWO1142-ARIN
RNOCName:   Network Manager
RNOCPhone:  +1-678-498-4694 
RNOCEmail:  netmgr@siuins.com
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO1142-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

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US