ASN AS21730 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21730?

AS21730 is listed under Halstad Telephone Company.

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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS21730 Halstad Telephone Company

ASN Lookup Tool

Halstad Telephone Company rrv.net

US 33 Routes

AS Data

AS21730

AS21730 – Halstad Telephone Company

AS Number	21730
AS Name	RRV-NET
Organization	Halstad Telephone Company (halsta)
Country	US
Website	rrv.net
Number of IPv4 Routes	33
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2001-06-14

ASN Intelligence API for production workflows

Use ASN data for AS21730 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
65.61.85.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.72.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.77.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.69.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.93.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.80.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.64.0/19	AS21730	Halstad Telephone Company	Halstad Telephone Company	8192
65.61.92.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.78.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.86.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.73.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.68.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.83.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.64.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.91.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.74.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.87.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.70.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.88.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.82.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.67.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
199.199.224.0/21	AS21730	Halstad Telephone Company	Halstad Telephone Company	2048
65.61.95.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.65.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
204.73.192.0/21	AS21730	Halstad Telephone Company	Halstad Telephone Company	2048
65.61.84.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.89.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.71.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.75.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.90.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.81.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.66.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	256
65.61.94.0/24	AS21730	Halstad Telephone Company	Halstad Telephone Company	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:       21730
ASName:         RRV-NET
ASHandle:       AS21730
RegDate:        2001-06-14
Updated:        2017-01-28
Ref:            https://rdap.arin.net/registry/autnum/21730


OrgName:        Halstad Telephone Company
OrgId:          HALSTA
Address:        PO Box 55
Address:        345 2nd Ave W
City:           Halstad
StateProv:      MN
PostalCode:     56548
Country:        US
RegDate:        1996-06-23
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/HALSTA


OrgAbuseHandle: BMI146-ARIN
OrgAbuseName:   Mickelson, Brandon 
OrgAbusePhone:  +1-218-456-2125 
OrgAbuseEmail:  bmick@rrv.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BMI146-ARIN

OrgTechHandle: BMI146-ARIN
OrgTechName:   Mickelson, Brandon 
OrgTechPhone:  +1-218-456-2125 
OrgTechEmail:  bmick@rrv.net
OrgTechRef:    https://rdap.arin.net/registry/entity/BMI146-ARIN

OrgNOCHandle: BMI146-ARIN
OrgNOCName:   Mickelson, Brandon 
OrgNOCPhone:  +1-218-456-2125 
OrgNOCEmail:  bmick@rrv.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/BMI146-ARIN

RTechHandle: BMI146-ARIN
RTechName:   Mickelson, Brandon 
RTechPhone:  +1-218-456-2125 
RTechEmail:  bmick@rrv.net
RTechRef:    https://rdap.arin.net/registry/entity/BMI146-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" : "21730",
    "as_handle" : "AS21730",
    "as_name" : "RRV-NET",
    "tech_contacts" : [ "BMI146-ARIN", "BMI146-ARIN" ],
    "abuse_contacts" : [ "BMI146-ARIN" ],
    "date_created" : "2001-06-14",
    "date_updated" : "2017-01-28",
    "source" : "https://rdap.arin.net/registry/autnum/21730"
  } ],
  "organization" : {
    "handle" : "HALSTA",
    "name" : "Halstad Telephone Company",
    "address" : [ "PO Box 55", "345 2nd Ave W", "Halstad", "MN", "56548", "US" ],
    "street" : "2nd Ave W",
    "city" : "Halstad",
    "state" : "MN",
    "zip_code" : "56548",
    "country" : [ "US" ],
    "date_created" : "1996-06-23",
    "date_updated" : "2024-11-25",
    "source" : "https://rdap.arin.net/registry/entity/HALSTA",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "BMI146-ARIN",
    "name" : "Mickelson, Brandon",
    "email" : [ "bmick@rrv.net" ],
    "phone" : [ "+1-218-456-2125" ],
    "source" : "https://rdap.arin.net/registry/entity/BMI146-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "BMI146-ARIN",
    "name" : "Mickelson, Brandon",
    "email" : [ "bmick@rrv.net" ],
    "phone" : [ "+1-218-456-2125" ],
    "source" : "https://rdap.arin.net/registry/entity/BMI146-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS23036	Northwest Minnesota Special Access, LLC	US
AS25615	Broadband Visions, LLC	US

Upstreams

AS Number	Description	Country
AS25615	Broadband Visions, LLC	US

Downstreams

AS Number	Description	Country
AS23036	Northwest Minnesota Special Access, LLC	US