What is ASN AS397326?

ASN AS397326 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS397326?

AS397326 is listed under South Front Networks.

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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AS397326 South Front Networks

ASN Lookup Tool

South Front Networks southfront.io

US 3 Routes

AS Data

AS397326

AS397326 – South Front Networks

AS Number	397326
AS Name	SFN-ASN
Organization	South Front Networks (sfnl-1)
Country	US
Website	southfront.io
Number of IPv4 Routes	2
Number of IPv6 Routes	1
ASN type	ISP
Registry	ARIN
Date Allocated	2019-02-14

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Use ASN data for AS397326 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
23.142.48.0/24	AS397326	South Front Networks	South Front Networks	256
147.160.170.0/24	AS397326	South Front Networks	South Front Networks	256
2620:13e:3000::/40	AS397326	South Front Networks	South Front Networks	~309×10²⁴

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:       397326
ASName:         SFN-ASN
ASHandle:       AS397326
RegDate:        2019-02-14
Updated:        2019-02-14
Comment:        southfront.io
Ref:            https://rdap.arin.net/registry/autnum/397326


OrgName:        South Front Networks
OrgId:          SFNL-1
Address:        516 S Front St
Address:        STE 516
City:           Mankato
StateProv:      MN
PostalCode:     56001
Country:        US
RegDate:        2019-02-11
Updated:        2024-07-08
Comment:        https://southfront.io
Ref:            https://rdap.arin.net/registry/entity/SFNL-1


OrgTechHandle: HANKE-ARIN
OrgTechName:   Hanke, Jason 
OrgTechPhone:  +1-612-204-0000 
OrgTechEmail:  jayhanke@southfront.io
OrgTechRef:    https://rdap.arin.net/registry/entity/HANKE-ARIN

OrgNOCHandle: HANKE-ARIN
OrgNOCName:   Hanke, Jason 
OrgNOCPhone:  +1-612-204-0000 
OrgNOCEmail:  jayhanke@southfront.io
OrgNOCRef:    https://rdap.arin.net/registry/entity/HANKE-ARIN

OrgAbuseHandle: HANKE-ARIN
OrgAbuseName:   Hanke, Jason 
OrgAbusePhone:  +1-612-204-0000 
OrgAbuseEmail:  jayhanke@southfront.io
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HANKE-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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "397326",
    "as_handle" : "AS397326",
    "as_name" : "SFN-ASN",
    "tech_contacts" : [ "HANKE-ARIN" ],
    "abuse_contacts" : [ "HANKE-ARIN" ],
    "date_created" : "2019-02-14",
    "date_updated" : "2019-02-14",
    "source" : "https://rdap.arin.net/registry/autnum/397326"
  } ],
  "organization" : {
    "handle" : "SFNL-1",
    "name" : "South Front Networks",
    "address" : [ "516 S Front St", "STE 516", "Mankato", "MN", "56001", "US" ],
    "street" : "S Front St",
    "city" : "Mankato",
    "state" : "MN",
    "zip_code" : "56001",
    "country" : [ "US" ],
    "date_created" : "2019-02-11",
    "date_updated" : "2024-07-08",
    "source" : "https://rdap.arin.net/registry/entity/SFNL-1",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "HANKE-ARIN",
    "name" : "Hanke, Jason",
    "email" : [ "jayhanke@southfront.io" ],
    "phone" : [ "+1-612-204-0000" ],
    "source" : "https://rdap.arin.net/registry/entity/HANKE-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "HANKE-ARIN",
    "name" : "Hanke, Jason",
    "email" : [ "jayhanke@southfront.io" ],
    "phone" : [ "+1-612-204-0000" ],
    "source" : "https://rdap.arin.net/registry/entity/HANKE-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS58511	Anycast Global Backbone	AU
AS24482	SG.GS	SG
AS393577	Tritan Development	US
AS401703	Ordinal Advisors LLC	US
AS401538	Nova86	US
AS6939	Hurricane Electric LLC	US
AS20473	The Constant Company, LLC	US
AS10242	US Internet Corp	US
AS14537	Continent 8 LLC	US
AS32621	Twin City VoIP, Inc.	US
AS3130	RGnet OU	EE
AS205329	Kai-Jung Chen	TW
AS394256	Tech Futures Interactive Inc.	CA
AS36236	NetActuate, Inc	US
AS18106	Viewqwest Pte Ltd	SG
AS53597	Hoyos Consulting LLC	US
AS16276	OVH SAS	FR
AS19754	The Fusion Network, LLC	US
AS14041	University Corporation for Atmospheric Research	US
AS46733	x6c	US
AS210667	Adam Goodenough	GB
AS9002	RETN Limited	GB
AS4474	TCT West, Inc.	US
AS63293	Facebook, Inc.	US
AS3701	University of Oregon	US
AS53343	Ntrix Infrastructure	US
AS2734	CoreSite	US
AS35280	F5 Networks SARL	FR
AS20119	Arrow Group Inc.	CA
AS52210	Accuris Technologies Ltd.	CA
AS44354	BROCK VOJKOVIC	AU
AS1828	Unitas Global	US
AS30688	FastTrack Communications Inc.	US
AS394414	E2W Solutions LLC	US
AS26457	nonexiste.net	US
AS137409	GSL Networks Pty LTD	AU
AS4181	TDS TELECOM	US
AS49544	i3D.net B.V	NL

Upstreams

AS Number	Description	Country
AS394256	Tech Futures Interactive Inc.	CA
AS9002	RETN Limited	GB
AS6939	Hurricane Electric LLC	US
AS10242	US Internet Corp	US
AS32621	Twin City VoIP, Inc.	US
AS137409	GSL Networks Pty LTD	AU

Downstreams

AS Number	Description	Country
AS63293	Facebook, Inc.	US