ASN Lookup Tool

CAS Severn cassevern.com US US 0 Routes

AS Data

AS20458

AS20458 – CAS Severn

AS Number 20458
AS Name ASN1
Organization CAS Severn(casse-3)
Country US
Website cassevern.com
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2009-01-06

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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:       20458
ASName:         ASN1
ASHandle:       AS20458
RegDate:        2009-01-06
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/20458


OrgName:        CAS Severn
OrgId:          CASSE-3
Address:        6201 Chevy Chase Drive
City:           Laurel
StateProv:      MD
PostalCode:     20707
Country:        US
RegDate:        2008-10-30
Updated:        2018-05-03
Ref:            https://rdap.arin.net/registry/entity/CASSE-3


OrgNOCHandle: JHB61-ARIN
OrgNOCName:   Blanchette, John Howard
OrgNOCPhone:  +1-301-776-3444 
OrgNOCEmail:  jblanchette@cassevern.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/JHB61-ARIN

OrgNOCHandle: JPZ2-ARIN
OrgNOCName:   Zirkle, Jonathan Paul
OrgNOCPhone:  +1-301-776-3400 
OrgNOCEmail:  jzirkle@cassevern.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/JPZ2-ARIN

OrgAbuseHandle: JHB61-ARIN
OrgAbuseName:   Blanchette, John Howard
OrgAbusePhone:  +1-301-776-3444 
OrgAbuseEmail:  jblanchette@cassevern.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JHB61-ARIN

OrgTechHandle: JAF20-ARIN
OrgTechName:   Frentheway, Jon Alan
OrgTechPhone:  +1-301-776-3400 
OrgTechEmail:  jfrentheway@cassevern.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JAF20-ARIN

OrgAbuseHandle: JPZ2-ARIN
OrgAbuseName:   Zirkle, Jonathan Paul
OrgAbusePhone:  +1-301-776-3400 
OrgAbuseEmail:  jzirkle@cassevern.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JPZ2-ARIN

OrgTechHandle: JPZ2-ARIN
OrgTechName:   Zirkle, Jonathan Paul
OrgTechPhone:  +1-301-776-3400 
OrgTechEmail:  jzirkle@cassevern.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JPZ2-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 AS20458 is an Autonomous System Number used to identify a network for BGP internet routing.
AS20458 is listed under CAS Severn.
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.