ASN AS17203 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS17203?

AS17203 is listed under Beresford Municipal 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.

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AS17203 Beresford Municipal Telephone Company

ASN Lookup Tool

Beresford Municipal Telephone Company beresfordtel.com

US 6 Routes

AS Data

AS17203

AS17203 – Beresford Municipal Telephone Company

AS Number	17203
AS Name	BMTC-01
Organization	Beresford Municipal Telephone Company (cb-1541)
Country	US
Website	beresfordtel.com
Number of IPv4 Routes	6
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2024-12-06

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Use ASN data for AS17203 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
66.231.9.0/24	AS17203	Beresford Municipal Telephone Company	Beresford Municipal Telephone	256
66.115.212.0/24	AS17203	Beresford Municipal Telephone Company	Beresford Municipal Telephone	256
66.231.11.0/24	AS17203	Beresford Municipal Telephone Company	Beresford Municipal Telephone	256
66.115.193.0/24	AS17203	Beresford Municipal Telephone Company	Beresford Municipal Telephone	256
66.231.12.0/24	AS17203	Beresford Municipal Telephone Company	Beresford Municipal Telephone	256
208.53.213.0/24	AS17203	Beresford Municipal Telephone Company	Beresford Municipal Telephone	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:       17203
ASName:         BMTC-01
ASHandle:       AS17203
RegDate:        2024-12-06
Updated:        2024-12-06
Comment:        https://www.beresfordtel.com
Comment:        Standard NOC hours 
Comment:        8:00 AM to 5:00 PM CST
Ref:            https://rdap.arin.net/registry/autnum/17203


OrgName:        Beresford Municipal Telephone Company
OrgId:          CB-1541
Address:        101 N 3rd St
City:           Beresford
StateProv:      SD
PostalCode:     57004
Country:        US
RegDate:        2024-11-19
Updated:        2024-12-06
Comment:        https://beresfordtel.com/
Comment:        Standard NOC hours are 8:00 AM to 5:00 PM CT
Ref:            https://rdap.arin.net/registry/entity/CB-1541


OrgTechHandle: TJL29-ARIN
OrgTechName:   Laurvick, Tony John
OrgTechPhone:  +1-605-763-2500 
OrgTechEmail:  tonyl@beresfordtel.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TJL29-ARIN

OrgTechHandle: BAKER1065-ARIN
OrgTechName:   Baker, Matthew 
OrgTechPhone:  +1-605-254-0460 
OrgTechEmail:  matt.baker@farrtechnologies.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BAKER1065-ARIN

OrgTechHandle: REARI4-ARIN
OrgTechName:   Rearick, Bryan 
OrgTechPhone:  +1-605-305-4273 
OrgTechEmail:  Bryan.Rearick@FARRtechnologies.com
OrgTechRef:    https://rdap.arin.net/registry/entity/REARI4-ARIN

OrgAbuseHandle: ISP8-ARIN
OrgAbuseName:   ISP
OrgAbusePhone:  +1-605-763-2500 
OrgAbuseEmail:  technicians@beresfordtel.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ISP8-ARIN

OrgTechHandle: HANSE489-ARIN
OrgTechName:   Hansen, Austin 
OrgTechPhone:  +1-605-763-2500 
OrgTechEmail:  austinh@beresfordtel.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HANSE489-ARIN

OrgTechHandle: ISP8-ARIN
OrgTechName:   ISP
OrgTechPhone:  +1-605-763-2500 
OrgTechEmail:  technicians@beresfordtel.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ISP8-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" : "17203",
    "as_handle" : "AS17203",
    "as_name" : "BMTC-01",
    "tech_contacts" : [ "TJL29-ARIN", "BAKER1065-ARIN", "REARI4-ARIN", "HANSE489-ARIN", "ISP8-ARIN" ],
    "abuse_contacts" : [ "ISP8-ARIN" ],
    "date_created" : "2024-12-06",
    "date_updated" : "2024-12-06",
    "source" : "https://rdap.arin.net/registry/autnum/17203"
  } ],
  "organization" : {
    "handle" : "CB-1541",
    "name" : "Beresford Municipal Telephone Company",
    "address" : [ "101 N 3rd St", "Beresford", "SD", "57004", "US" ],
    "street" : "N 3rd St",
    "city" : "Beresford",
    "state" : "SD",
    "zip_code" : "57004",
    "country" : [ "US" ],
    "date_created" : "2024-11-19",
    "date_updated" : "2024-12-06",
    "source" : "https://rdap.arin.net/registry/entity/CB-1541",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "TJL29-ARIN",
    "name" : "Laurvick, Tony John",
    "email" : [ "tonyl@beresfordtel.com" ],
    "phone" : [ "+1-605-763-2500" ],
    "source" : "https://rdap.arin.net/registry/entity/TJL29-ARIN"
  }, {
    "handle" : "BAKER1065-ARIN",
    "name" : "Baker, Matthew",
    "email" : [ "matt.baker@farrtechnologies.com" ],
    "phone" : [ "+1-605-254-0460" ],
    "source" : "https://rdap.arin.net/registry/entity/BAKER1065-ARIN"
  }, {
    "handle" : "REARI4-ARIN",
    "name" : "Rearick, Bryan",
    "email" : [ "Bryan.Rearick@FARRtechnologies.com" ],
    "phone" : [ "+1-605-305-4273" ],
    "source" : "https://rdap.arin.net/registry/entity/REARI4-ARIN"
  }, {
    "handle" : "HANSE489-ARIN",
    "name" : "Hansen, Austin",
    "email" : [ "austinh@beresfordtel.com" ],
    "phone" : [ "+1-605-763-2500" ],
    "source" : "https://rdap.arin.net/registry/entity/HANSE489-ARIN"
  }, {
    "handle" : "ISP8-ARIN",
    "name" : "ISP",
    "email" : [ "technicians@beresfordtel.com" ],
    "phone" : [ "+1-605-763-2500" ],
    "source" : "https://rdap.arin.net/registry/entity/ISP8-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ISP8-ARIN",
    "name" : "ISP",
    "email" : [ "technicians@beresfordtel.com" ],
    "phone" : [ "+1-605-763-2500" ],
    "source" : "https://rdap.arin.net/registry/entity/ISP8-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS13576	SDN Communications	US

Upstreams

AS Number	Description	Country
AS13576	SDN Communications	US