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.

AS20078 Pzena Investment Management, L.L.C.

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Pzena Investment Management, L.L.C. eci.com

US 1 Routes

AS Data

AS20078

AS20078 – Pzena Investment Management, L.L.C.

AS Number	20078
AS Name	PIM-ASN
Organization	Pzena Investment Management, L.L.C.(pzena)
Country	US
Website	eci.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2008-12-17

ASN Intelligence API for production workflows

Use ASN data for AS20078 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

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
38.109.74.0/24	AS20078	Pzena Investment Management, L.L.C.	Pzena Investment Management, 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:       20078
ASName:         PIM-ASN
ASHandle:       AS20078
RegDate:        2008-12-17
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/20078


OrgName:        Pzena Investment Management, L.L.C.
OrgId:          PZENA
Address:        120 West 45th Street
Address:        20th Floor
City:           New York
StateProv:      NY
PostalCode:     10036
Country:        US
RegDate:        2008-10-16
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/PZENA


OrgAbuseHandle: WT27-ARIN
OrgAbuseName:   Tan, William 
OrgAbusePhone:  +1-617-217-3006 
OrgAbuseEmail:  wtan@eci.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WT27-ARIN

OrgTechHandle: WT27-ARIN
OrgTechName:   Tan, William 
OrgTechPhone:  +1-617-217-3006 
OrgTechEmail:  wtan@eci.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WT27-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
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS174	Cogent Communications, LLC	US

Frequently Asked Questions

What is ASN AS20078?

ASN AS20078 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20078?

AS20078 is listed under Pzena Investment Management, L.L.C..

What do peers, upstreams, and downstreams mean?

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 included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.