ASN Lookup Tool

Ernst & Young LLP ey.com US US 0 Routes

AS Data

AS40543

AS40543Ernst & Young LLP

AS Number 40543
AS Name EY-AS-PIS2
Organization Ernst & Young LLP(eyl)
Country US
Website ey.com
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2023-02-15

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Use ASN data for AS40543 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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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:       40543
ASName:         EY-AS-PIS2
ASHandle:       AS40543
RegDate:        2023-02-15
Updated:        2023-02-15    
Ref:            https://rdap.arin.net/registry/autnum/40543


OrgName:        Ernst & Young LLP
OrgId:          EYL
Address:        200 Plaza Drive
City:           Secaucus
StateProv:      NJ
PostalCode:     07094
Country:        US
RegDate:        1996-01-31
Updated:        2025-05-26
Ref:            https://rdap.arin.net/registry/entity/EYL


OrgRoutingHandle: IAM12-ARIN
OrgRoutingName:   IP Address Management
OrgRoutingPhone:  +1-201-872-2200 
OrgRoutingEmail:  Internet@ey.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/IAM12-ARIN

OrgNOCHandle: IAM12-ARIN
OrgNOCName:   IP Address Management
OrgNOCPhone:  +1-201-872-2200 
OrgNOCEmail:  Internet@ey.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/IAM12-ARIN

OrgDNSHandle: IAM12-ARIN
OrgDNSName:   IP Address Management
OrgDNSPhone:  +1-201-872-2200 
OrgDNSEmail:  Internet@ey.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/IAM12-ARIN

OrgTechHandle: IAM12-ARIN
OrgTechName:   IP Address Management
OrgTechPhone:  +1-201-872-2200 
OrgTechEmail:  Internet@ey.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IAM12-ARIN

OrgAbuseHandle: IAM12-ARIN
OrgAbuseName:   IP Address Management
OrgAbusePhone:  +1-201-872-2200 
OrgAbuseEmail:  Internet@ey.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/IAM12-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

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Frequently Asked Questions

ASN AS40543 is an Autonomous System Number used to identify a network for BGP internet routing.
AS40543 is listed under Ernst & Young LLP.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.