What is ASN AS400383?

ASN AS400383 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400383?

AS400383 is listed under Denson Technologies.

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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AS400383 Denson Technologies | IPGeolocation.io

ASN Lookup Tool

Denson Technologies densontech.com

US 7 Routes

AS Data

AS400383

AS400383 – Denson Technologies

AS Number	400383
AS Name	HUMBLE-BRIDGER-1
Organization	Denson Technologies (dt-719)
Country	US
Website	densontech.com
Number of IPv4 Routes	3
Number of IPv6 Routes	4
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2022-01-19

ASN Intelligence API for production workflows

Use ASN data for AS400383 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2606:84c0:3::/48	AS0		Denson Technologies	~1×10²⁴
2606:84c0:fffe::/48	AS400383	Denson Technologies	Denson Technologies	~1×10²⁴
2606:84c0:ffff::/48	AS400383	Denson Technologies	Denson Technologies	~1×10²⁴
2606:84c0:fffd::/48	AS400383	Denson Technologies	Denson Technologies	~1×10²⁴
64.20.220.0/24	AS400383	Denson Technologies	Denson Technologies	256
64.20.223.0/24	AS400383	Denson Technologies	Denson Technologies	256
64.20.222.0/24	AS400383	Denson Technologies	Denson Technologies	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:       400383
ASName:         HUMBLE-BRIDGER-1
ASHandle:       AS400383
RegDate:        2022-01-19
Updated:        2022-01-19
Ref:            https://rdap.arin.net/registry/autnum/400383


OrgName:        Denson Technologies
OrgId:          DT-719
Address:        3940 Becraft Lane
City:           Billings
StateProv:      MT
PostalCode:     59101
Country:        US
RegDate:        2021-10-04
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/DT-719


OrgTechHandle: DCD14-ARIN
OrgTechName:   Denson, Daniel C
OrgTechPhone:  +1-406-647-1100 
OrgTechEmail:  dan@densontech.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DCD14-ARIN

OrgAbuseHandle: DCD14-ARIN
OrgAbuseName:   Denson, Daniel C
OrgAbusePhone:  +1-406-647-1100 
OrgAbuseEmail:  dan@densontech.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DCD14-ARIN

OrgNOCHandle: DCD14-ARIN
OrgNOCName:   Denson, Daniel C
OrgNOCPhone:  +1-406-647-1100 
OrgNOCEmail:  dan@densontech.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/DCD14-ARIN

OrgDNSHandle: DCD14-ARIN
OrgDNSName:   Denson, Daniel C
OrgDNSPhone:  +1-406-647-1100 
OrgDNSEmail:  dan@densontech.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/DCD14-ARIN

OrgRoutingHandle: DCD14-ARIN
OrgRoutingName:   Denson, Daniel C
OrgRoutingPhone:  +1-406-647-1100 
OrgRoutingEmail:  dan@densontech.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DCD14-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" : "400383",
    "as_handle" : "AS400383",
    "as_name" : "HUMBLE-BRIDGER-1",
    "admin_contacts" : [ "DCD14-ARIN" ],
    "tech_contacts" : [ "DCD14-ARIN", "DCD14-ARIN" ],
    "abuse_contacts" : [ "DCD14-ARIN" ],
    "date_created" : "2022-01-19",
    "date_updated" : "2022-01-19",
    "source" : "https://rdap.arin.net/registry/autnum/400383"
  } ],
  "organization" : {
    "handle" : "DT-719",
    "name" : "Denson Technologies",
    "address" : [ "3940 Becraft Lane", "Billings", "MT", "59101", "US" ],
    "street" : "Becraft Lane",
    "city" : "Billings",
    "state" : "MT",
    "zip_code" : "59101",
    "country" : [ "US" ],
    "date_created" : "2021-10-04",
    "date_updated" : "2024-11-25",
    "source" : "https://rdap.arin.net/registry/entity/DT-719",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "DCD14-ARIN",
    "name" : "Denson, Daniel C",
    "email" : [ "dan@densontech.com" ],
    "phone" : [ "+1-406-647-1100" ],
    "source" : "https://rdap.arin.net/registry/entity/DCD14-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "DCD14-ARIN",
    "name" : "Denson, Daniel C",
    "email" : [ "dan@densontech.com" ],
    "phone" : [ "+1-406-647-1100" ],
    "source" : "https://rdap.arin.net/registry/entity/DCD14-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "DCD14-ARIN",
    "name" : "Denson, Daniel C",
    "email" : [ "dan@densontech.com" ],
    "phone" : [ "+1-406-647-1100" ],
    "source" : "https://rdap.arin.net/registry/entity/DCD14-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS209	CenturyLink Communications, LLC	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS209	CenturyLink Communications, LLC	US
AS3356	Level 3 Parent, LLC	US