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AS398163 Fiber West | 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

Fiber West fiberwest.net

US 4 Routes

AS Data

AS398163

AS398163 – Fiber West

AS Number	398163
AS Name	FIBERWEST
Organization	Fiber West (rem-47)
Country	US
Website	fiberwest.net
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2019-11-14

ASN Intelligence API for production workflows

Use ASN data for AS398163 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
206.123.210.0/24	AS398163	Fiber West	Mountain Broadband	256
206.123.200.0/24	AS398163	Fiber West	Mountain Broadband	256
206.123.209.0/24	AS398163	Fiber West	Mountain Broadband	256
209.203.137.0/24	AS398163	Fiber West	Mountain Broadband	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:       398163
ASName:         FIBERWEST
ASHandle:       AS398163
RegDate:        2019-11-14
Updated:        2019-11-14
Ref:            https://rdap.arin.net/registry/autnum/398163


OrgName:        Fiber West
OrgId:          REM-47
Address:        236 S. 3rd. Suite 423
City:           Montrose
StateProv:      CO
PostalCode:     81401
Country:        US
RegDate:        2019-11-07
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/REM-47


OrgRoutingHandle: MCATE10-ARIN
OrgRoutingName:   McAtee, Rob 
OrgRoutingPhone:  +1-970-795-0161 
OrgRoutingEmail:  rob@fiberwest.net
OrgRoutingRef:    https://rdap.arin.net/registry/entity/MCATE10-ARIN

OrgTechHandle: MCATE10-ARIN
OrgTechName:   McAtee, Rob 
OrgTechPhone:  +1-970-795-0161 
OrgTechEmail:  rob@fiberwest.net
OrgTechRef:    https://rdap.arin.net/registry/entity/MCATE10-ARIN

OrgAbuseHandle: MCATE10-ARIN
OrgAbuseName:   McAtee, Rob 
OrgAbusePhone:  +1-970-795-0161 
OrgAbuseEmail:  rob@fiberwest.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MCATE10-ARIN

OrgDNSHandle: MCATE10-ARIN
OrgDNSName:   McAtee, Rob 
OrgDNSPhone:  +1-970-795-0161 
OrgDNSEmail:  rob@fiberwest.net
OrgDNSRef:    https://rdap.arin.net/registry/entity/MCATE10-ARIN

OrgNOCHandle: MCATE10-ARIN
OrgNOCName:   McAtee, Rob 
OrgNOCPhone:  +1-970-795-0161 
OrgNOCEmail:  rob@fiberwest.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/MCATE10-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" : "398163",
    "as_handle" : "AS398163",
    "as_name" : "FIBERWEST",
    "admin_contacts" : [ "MCATE10-ARIN" ],
    "tech_contacts" : [ "MCATE10-ARIN", "MCATE10-ARIN" ],
    "abuse_contacts" : [ "MCATE10-ARIN" ],
    "date_created" : "2019-11-14",
    "date_updated" : "2019-11-14",
    "source" : "https://rdap.arin.net/registry/autnum/398163"
  } ],
  "organization" : {
    "handle" : "REM-47",
    "name" : "Fiber West",
    "address" : [ "236 S. 3rd. Suite 423", "Montrose", "CO", "81401", "US" ],
    "street" : "S. 3rd Suite 423",
    "city" : "Montrose",
    "state" : "CO",
    "zip_code" : "81401",
    "country" : [ "US" ],
    "date_created" : "2019-11-07",
    "date_updated" : "2024-11-25",
    "source" : "https://rdap.arin.net/registry/entity/REM-47",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "MCATE10-ARIN",
    "name" : "McAtee, Rob",
    "email" : [ "rob@fiberwest.net" ],
    "phone" : [ "+1-970-795-0161" ],
    "source" : "https://rdap.arin.net/registry/entity/MCATE10-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "MCATE10-ARIN",
    "name" : "McAtee, Rob",
    "email" : [ "rob@fiberwest.net" ],
    "phone" : [ "+1-970-795-0161" ],
    "source" : "https://rdap.arin.net/registry/entity/MCATE10-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "MCATE10-ARIN",
    "name" : "McAtee, Rob",
    "email" : [ "rob@fiberwest.net" ],
    "phone" : [ "+1-970-795-0161" ],
    "source" : "https://rdap.arin.net/registry/entity/MCATE10-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS394568	McGrange Technologies, LLC	US

Upstreams

AS Number	Description	Country
AS394568	McGrange Technologies, LLC	US

Frequently Asked Questions

What is ASN AS398163?

ASN AS398163 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS398163?

AS398163 is listed under Fiber West.

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.