ASN AS19148 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS19148?

AS19148 is listed under Leaseweb USA, 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.

AS19148 Leaseweb USA, Inc. | IPGeolocation.io

ASN Lookup Tool

Leaseweb USA, Inc. us.leaseweb.com

US 49 Routes

AS Data

AS19148

AS19148 – Leaseweb USA, Inc.

AS Number	19148
AS Name	LEASEWEB-USA-PHX
Organization	Leaseweb USA, Inc.(lu)
Country	US
Website	us.leaseweb.com
Number of IPv4 Routes	45
Number of IPv6 Routes	4
ASN type	HOSTING
Registry	ARIN
Date Allocated	2018-03-07

ASN Intelligence API for production workflows

Use ASN data for AS19148 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
152.163.252.0/22	AS19148	Leaseweb USA, Inc.	Leaseweb USA, Inc.	1024
64.120.124.0/22	AS19148	Leaseweb USA, Inc.	Leaseweb USA, Inc.	1024
23.81.204.0/22	AS19148	Leaseweb USA, Inc.	LeaseWeb USA, Inc. Pheonix	1024
23.81.144.0/21	AS19148	Leaseweb USA, Inc.	LeaseWeb USA, Inc. Pheonix	2048
23.82.152.0/21	AS19148	Leaseweb USA, Inc.	LeaseWeb USA, Inc. Pheonix	2048
108.62.16.0/21	AS19148	Leaseweb USA, Inc.	LeaseWeb USA, Inc. Pheonix	2048
23.83.144.0/21	AS19148	Leaseweb USA, Inc.	LeaseWeb USA, Inc. Pheonix	2048
23.81.128.0/21	AS19148	Leaseweb USA, Inc.	LeaseWeb USA, Inc. Pheonix	2048
173.208.127.0/24	AS19148	Leaseweb USA, Inc.	LeaseWeb USA, Inc. Pheonix	256
89.249.194.0/24	AS19148	Leaseweb USA, Inc.	Leaseweb USA, 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:       19148
ASName:         LEASEWEB-USA-PHX
ASHandle:       AS19148
RegDate:        2018-03-07
Updated:        2021-08-03
Comment:        Please send all abuse notifications to the following email address: abuse@us.leaseweb.com. To ensure proper processing of your abuse notification, please visit the website www.leaseweb.com/abuse for notification requirements. All police and other government agency requests must be sent to subpoenas@us.leaseweb.com.    
Ref:            https://rdap.arin.net/registry/autnum/19148


OrgName:        Leaseweb USA, Inc.
OrgId:          LU
Address:        9480 Innovation Dr
City:           Manassas
StateProv:      VA
PostalCode:     20109
Country:        US
RegDate:        2010-09-13
Updated:        2024-11-25
Comment:        www.leaseweb.com
Ref:            https://rdap.arin.net/registry/entity/LU


OrgTechHandle: LEASE-ARIN
OrgTechName:   Leaseweb ARIN
OrgTechPhone:  +1-571-814-3777 
OrgTechEmail:  netops@us.leaseweb.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LEASE-ARIN

OrgAbuseHandle: LUAD3-ARIN
OrgAbuseName:   Leaseweb US abuse dept
OrgAbusePhone:  +1-571-814-3777 
OrgAbuseEmail:  abuse@us.leaseweb.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LUAD3-ARIN

OrgNOCHandle: LEASE-ARIN
OrgNOCName:   Leaseweb ARIN
OrgNOCPhone:  +1-571-814-3777 
OrgNOCEmail:  abuse@us.leaseweb.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/LEASE-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
AS1299	Arelion Sweden AB	SE
AS3356	Level 3 Parent, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS1299	Arelion Sweden AB	SE
AS3356	Level 3 Parent, LLC	US
AS174	Cogent Communications, LLC	US

Contacts

Email Contacts

netops@us.leaseweb.com

Abuse Contacts

abuse@us.leaseweb.com

Legacy Routes

2607:f5b5:2::/48 23.19.52.0/24 2607:f5b5:3::/48 23.19.53.0/24