This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402590
IANA has recorded AS5665 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS5665\n
#
# 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: 5665
ASName: DELMARVA-ASN
ASHandle: AS5665
RegDate: 1995-08-09
Updated: 1999-07-01
Ref: https://rdap.arin.net/registry/autnum/5665
OrgName: Delmarva Power & Light Company
OrgId: DELMAR-9
Address: 500 N. Wakefield Drive
City: Newark
StateProv: DE
PostalCode: 19714-6066
Country: US
RegDate: 1995-08-09
Updated: 2012-10-10
Ref: https://rdap.arin.net/registry/entity/DELMAR-9
OrgAbuseHandle: JKS23-ARIN
OrgAbuseName: Scoggin, John K, Jr., Jr., Jr.
OrgAbusePhone: +1-302-451-5000
OrgAbuseEmail: john.scoggin@pepcoholdings.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/JKS23-ARIN
OrgTechHandle: JKS23-ARIN
OrgTechName: Scoggin, John K, Jr., Jr., Jr.
OrgTechPhone: +1-302-451-5000
OrgTechEmail: john.scoggin@pepcoholdings.com
OrgTechRef: https://rdap.arin.net/registry/entity/JKS23-ARIN
RTechHandle: JKS23-ARIN
RTechName: Scoggin, John K, Jr., Jr., Jr.
RTechPhone: +1-302-451-5000
RTechEmail: john.scoggin@pepcoholdings.com
RTechRef: https://rdap.arin.net/registry/entity/JKS23-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.
#