ASN Lookup Tool

AS23503
Exelon Corporation US US 16 Routes

AS23503Exelon Corporation

AS Number 23503
AS Name CONSTELLATION-ENERGY
Organization Exelon Corporation(exelo)
Country US
Website exeloncorp.com
Number of IPv4 Routes 15
Number of IPv6 Routes 1
ASN type BUSINESS
Allocation Status
Registry ARIN
Date Allocated N/A

IP Ranges

Route # IPs
216.99.185.0/24 256
216.99.179.0/24 256
216.99.176.0/23 512
216.99.180.0/24 256
216.99.183.0/24 256
216.99.176.0/20 4096
216.99.191.0/24 256
216.99.187.0/24 256
216.99.189.0/24 256
buy plan 256
buy plan 256
buy plan 256
buy plan ~79×10²⁷
buy plan 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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       23503
ASName:         CONSTELLATION-ENERGY
ASHandle:       AS23503
RegDate:        2002-03-29
Updated:        2016-08-08    
Ref:            https://rdap.arin.net/registry/autnum/23503


OrgName:        Exelon Corporation
OrgId:          EXELO
Address:        10 S Dearborn St
City:           Chicago
StateProv:      IL
PostalCode:     60603
Country:        US
RegDate:        2002-09-12
Updated:        2019-02-26
Ref:            https://rdap.arin.net/registry/entity/EXELO


OrgNOCHandle: NOC1756-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-888-232-4800 
OrgNOCEmail:  netadmin2@exeloncorp.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC1756-ARIN

OrgTechHandle: NOC1756-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-888-232-4800 
OrgTechEmail:  netadmin2@exeloncorp.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC1756-ARIN

OrgAbuseHandle: NOC1756-ARIN
OrgAbuseName:   Network Operations Center
OrgAbusePhone:  +1-888-232-4800 
OrgAbuseEmail:  netadmin2@exeloncorp.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC1756-ARIN

RAbuseHandle: NOC1756-ARIN
RAbuseName:   Network Operations Center
RAbusePhone:  +1-888-232-4800 
RAbuseEmail:  netadmin2@exeloncorp.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NOC1756-ARIN

RTechHandle: NOC1756-ARIN
RTechName:   Network Operations Center
RTechPhone:  +1-888-232-4800 
RTechEmail:  netadmin2@exeloncorp.com
RTechRef:    https://rdap.arin.net/registry/entity/NOC1756-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 1997-2025, American Registry for Internet Numbers, Ltd.
#
            

Parsed Whois Response

Peers

AS Number Description Country
AS26425 Exelon Corporation US
AS202 Level 3 Parent, LLC US
AS1321 Verizon Business US

Upstreams

AS Number Description Country
AS26425 Exelon Corporation US
AS202 Level 3 Parent, LLC US
AS1321 Verizon Business US

Downstreams

AS Number Description Country
AS26425 Exelon Corporation US

Contacts

Email Contacts

Abuse Contacts

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