What is ASN AS393658?

ASN AS393658 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS393658?

AS393658 is listed under Atypon Systems, Inc..

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?

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AS393658 Atypon Systems, Inc.

ASN Lookup Tool

Atypon Systems, Inc. atypon.com

US 2 Routes

AS Data

AS393658

AS393658 – Atypon Systems, Inc.

AS Number	393658
AS Name	ATYPON
Organization	Atypon Systems, Inc.(as-4)
Country	US
Website	atypon.com
Number of IPv4 Routes	1
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2014-10-17

ASN Intelligence API for production workflows

Use ASN data for AS393658 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2604:5200:1001::/48	AS393658	Atypon Systems, Inc.	Atypon Systems, Inc.	~1×10²⁴
65.156.0.0/23	AS393658	Atypon Systems, Inc.	CenturyLink Communications, LLC	512

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:       393658
ASName:         ATYPON
ASHandle:       AS393658
RegDate:        2014-10-17
Updated:        2025-06-11
Comment:        https://www.atypon.com/    
Ref:            https://rdap.arin.net/registry/autnum/393658


OrgName:        Atypon Systems, Inc.
OrgId:          AS-4
Address:        54 N. Central Ave.
City:           Campbell
StateProv:      CA
PostalCode:     95008
Country:        US
RegDate:        2011-02-11
Updated:        2025-06-12
Comment:        https://www.atypon.com
Ref:            https://rdap.arin.net/registry/entity/AS-4


OrgTechHandle: KAPOU1-ARIN
OrgTechName:   Kapoulas, Thomas 
OrgTechPhone:  +30-215-215-1500 
OrgTechEmail:  tkapoulas@atypon.com
OrgTechRef:    https://rdap.arin.net/registry/entity/KAPOU1-ARIN

OrgDNSHandle: KAPOU1-ARIN
OrgDNSName:   Kapoulas, Thomas 
OrgDNSPhone:  +30-215-215-1500 
OrgDNSEmail:  tkapoulas@atypon.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/KAPOU1-ARIN

OrgAbuseHandle: KARAN2-ARIN
OrgAbuseName:   Karantzas, Constantinos 
OrgAbusePhone:  +1-415-640-8739 
OrgAbuseEmail:  arin@atypon.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/KARAN2-ARIN

OrgTechHandle: KARAN2-ARIN
OrgTechName:   Karantzas, Constantinos 
OrgTechPhone:  +1-415-640-8739 
OrgTechEmail:  arin@atypon.com
OrgTechRef:    https://rdap.arin.net/registry/entity/KARAN2-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

Peers

AS Number	Description	Country
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS286	GTT Communications Inc.	NL
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS3356	Level 3 Parent, LLC	US