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AS399687 Def, Inc | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

Def, Inc def.com

US 2 Routes

AS Data

AS399687

AS399687 – Def, Inc

AS Number	399687
AS Name	DEFIN-AS
Organization	Def, Inc(defin-6)
Country	US
Website	def.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2021-05-19

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
23.189.240.0/24	AS399687	Def, Inc	Def, Inc	256
146.19.2.0/24	AS399687	Def, Inc	Def, Inc	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 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       399687
ASName:         DEFIN-AS
ASHandle:       AS399687
RegDate:        2021-05-19
Updated:        2021-05-19    
Ref:            https://rdap.arin.net/registry/autnum/399687


OrgName:        Def, Inc
OrgId:          DEFIN-6
Address:        505 Cypress Point Dr
Address:        #115
City:           Mountain View
StateProv:      CA
PostalCode:     94043
Country:        US
RegDate:        2020-05-26
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/DEFIN-6


OrgNOCHandle: DEFIN3-ARIN
OrgNOCName:   Definc
OrgNOCPhone:  +1-650-862-4759 
OrgNOCEmail:  marcos@def.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/DEFIN3-ARIN

OrgRoutingHandle: DEFIN3-ARIN
OrgRoutingName:   Definc
OrgRoutingPhone:  +1-650-862-4759 
OrgRoutingEmail:  marcos@def.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DEFIN3-ARIN

OrgTechHandle: DEFIN3-ARIN
OrgTechName:   Definc
OrgTechPhone:  +1-650-862-4759 
OrgTechEmail:  marcos@def.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DEFIN3-ARIN

OrgDNSHandle: DEFIN3-ARIN
OrgDNSName:   Definc
OrgDNSPhone:  +1-650-862-4759 
OrgDNSEmail:  marcos@def.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/DEFIN3-ARIN

OrgAbuseHandle: DEFIN3-ARIN
OrgAbuseName:   Definc
OrgAbusePhone:  +1-650-862-4759 
OrgAbuseEmail:  marcos@def.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DEFIN3-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
AS6939	Hurricane Electric LLC	US

Upstreams

AS Number	Description	Country
AS6939	Hurricane Electric LLC	US

Frequently Asked Questions

What is ASN AS399687?

ASN AS399687 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS399687?

AS399687 is listed under Def, Inc.

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

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.