ASN AS21593 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21593?

AS21593 is listed under Zantaz.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

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.

AS21593 Zantaz | IPGeolocation.io

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Zantaz smarsh.com

US 0 Routes

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AS21593

AS21593 – Zantaz

AS Number	21593
AS Name	ZANTAZ-US
Organization	Zantaz(zantaz-2)
Country	US
Website	smarsh.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2001-05-30

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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:       21593
ASName:         ZANTAZ-US
ASHandle:       AS21593
RegDate:        2001-05-30
Updated:        2024-05-16    
Ref:            https://rdap.arin.net/registry/autnum/21593


OrgName:        Zantaz
OrgId:          ZANTAZ-2
Address:        4555 Great America Pkwy #400
City:           Santa Clara
StateProv:      CA
PostalCode:     95054
Country:        US
RegDate:        2001-05-30
Updated:        2024-05-16
Ref:            https://rdap.arin.net/registry/entity/ZANTAZ-2


OrgAbuseHandle: DESIL22-ARIN
OrgAbuseName:   De Silva, Shiru 
OrgAbusePhone:  +44 (0) 20 3608 1209 
OrgAbuseEmail:  shiru.desilva@smarsh.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DESIL22-ARIN

OrgRoutingHandle: DESIL22-ARIN
OrgRoutingName:   De Silva, Shiru 
OrgRoutingPhone:  +44 (0) 20 3608 1209 
OrgRoutingEmail:  shiru.desilva@smarsh.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DESIL22-ARIN

OrgDNSHandle: DESIL22-ARIN
OrgDNSName:   De Silva, Shiru 
OrgDNSPhone:  +44 (0) 20 3608 1209 
OrgDNSEmail:  shiru.desilva@smarsh.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/DESIL22-ARIN

OrgNOCHandle: DESIL22-ARIN
OrgNOCName:   De Silva, Shiru 
OrgNOCPhone:  +44 (0) 20 3608 1209 
OrgNOCEmail:  shiru.desilva@smarsh.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/DESIL22-ARIN

OrgTechHandle: DESIL22-ARIN
OrgTechName:   De Silva, Shiru 
OrgTechPhone:  +44 (0) 20 3608 1209 
OrgTechEmail:  shiru.desilva@smarsh.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DESIL22-ARIN

RTechHandle: DESIL22-ARIN
RTechName:   De Silva, Shiru 
RTechPhone:  +44 (0) 20 3608 1209 
RTechEmail:  shiru.desilva@smarsh.com
RTechRef:    https://rdap.arin.net/registry/entity/DESIL22-ARIN

RAbuseHandle: DESIL22-ARIN
RAbuseName:   De Silva, Shiru 
RAbusePhone:  +44 (0) 20 3608 1209 
RAbuseEmail:  shiru.desilva@smarsh.com
RAbuseRef:    https://rdap.arin.net/registry/entity/DESIL22-ARIN

RNOCHandle: DESIL22-ARIN
RNOCName:   De Silva, Shiru 
RNOCPhone:  +44 (0) 20 3608 1209 
RNOCEmail:  shiru.desilva@smarsh.com
RNOCRef:    https://rdap.arin.net/registry/entity/DESIL22-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.
#

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AS21593 – Zantaz

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