ASN AS18671 is an Autonomous System Number used to identify a network for BGP internet routing.

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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AS18671 PRTC | IPGeolocation.io

ASN Lookup Tool

PRTC prtc.us

US 35 Routes

AS Data

AS18671

AS18671 – PRTC

AS Number	18671
AS Name	PRTC-SC
Organization	PRTC (prtc-6)
Country	US
Website	prtc.us
Number of IPv4 Routes	35
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2014-02-19

ASN Intelligence API for production workflows

Use ASN data for AS18671 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
206.74.48.0/23	AS18671	PRTC	PRTC	512
66.180.231.0/24	AS18671	PRTC	PRTC	256
204.116.94.0/24	AS18671	PRTC	PALMETTO RURAL Telephone	256
204.116.240.0/24	AS18671	PRTC	PALMETTO RURAL Telephone	256
152.44.68.0/24	AS18671	PRTC	PRTC	256
207.144.20.0/23	AS18671	PRTC	Palmetto Rural Telephone	512
66.180.228.0/24	AS18671	PRTC	PRTC	256
165.166.174.0/23	AS18671	PRTC	PRTC	512
66.180.235.0/24	AS18671	PRTC	PRTC	256
207.144.20.0/24	AS18671	PRTC	Palmetto Rural 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:       18671
ASName:         PRTC-SC
ASHandle:       AS18671
RegDate:        2014-02-19
Updated:        2014-02-19
Ref:            https://rdap.arin.net/registry/autnum/18671


OrgName:        PRTC
OrgId:          PRTC-6
Address:        1682 Winchester Road
Address:        P.O. Drawer 1577
City:           Walterboro
StateProv:      SC
PostalCode:     29488
Country:        US
RegDate:        2010-09-14
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/PRTC-6


OrgTechHandle: GREEN792-ARIN
OrgTechName:   Green, Chris 
OrgTechPhone:  +1-843-538-9310 
OrgTechEmail:  chris.green@prtc.us
OrgTechRef:    https://rdap.arin.net/registry/entity/GREEN792-ARIN

OrgAbuseHandle: NOC32219-ARIN
OrgAbuseName:   NOC
OrgAbusePhone:  +1-843-538-5481 
OrgAbuseEmail:  noc@prtc.coop
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC32219-ARIN

OrgTechHandle: STOUT2-ARIN
OrgTechName:   Stout, Tony 
OrgTechPhone:  +1-843-538-9355 
OrgTechEmail:  arin-bill@prtc.us
OrgTechRef:    https://rdap.arin.net/registry/entity/STOUT2-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" : "18671",
    "as_handle" : "AS18671",
    "as_name" : "PRTC-SC",
    "tech_contacts" : [ "GREEN792-ARIN", "STOUT2-ARIN" ],
    "abuse_contacts" : [ "NOC32219-ARIN" ],
    "date_created" : "2014-02-19",
    "date_updated" : "2014-02-19",
    "source" : "https://rdap.arin.net/registry/autnum/18671"
  } ],
  "organization" : {
    "handle" : "PRTC-6",
    "name" : "PRTC",
    "address" : [ "1682 Winchester Road", "P.O. Drawer 1577", "Walterboro", "SC", "29488", "US" ],
    "street" : "Winchester Road P.o. Drawer 1577",
    "city" : "Walterboro",
    "state" : "SC",
    "zip_code" : "29488",
    "country" : [ "US" ],
    "date_created" : "2010-09-14",
    "date_updated" : "2024-11-25",
    "source" : "https://rdap.arin.net/registry/entity/PRTC-6",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "GREEN792-ARIN",
    "name" : "Green, Chris",
    "email" : [ "chris.green@prtc.us" ],
    "phone" : [ "+1-843-538-9310" ],
    "source" : "https://rdap.arin.net/registry/entity/GREEN792-ARIN"
  }, {
    "handle" : "STOUT2-ARIN",
    "name" : "Stout, Tony",
    "email" : [ "arin-bill@prtc.us" ],
    "phone" : [ "+1-843-538-9355" ],
    "source" : "https://rdap.arin.net/registry/entity/STOUT2-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NOC32219-ARIN",
    "name" : "NOC",
    "email" : [ "noc@prtc.coop" ],
    "phone" : [ "+1-843-538-5481" ],
    "source" : "https://rdap.arin.net/registry/entity/NOC32219-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS398766	TriCoLink, Inc.	US
AS23087	Communications Data Group	US
AS26744	Planters Communications, LLC	US
AS2711	Spirit Communications	US
AS16863	Home Telephone Company, Inc.	US
AS14480	County of Orangeburg	US

Upstreams

AS Number	Description	Country
AS26744	Planters Communications, LLC	US
AS2711	Spirit Communications	US
AS16863	Home Telephone Company, Inc.	US

Downstreams

AS Number	Description	Country
AS398766	TriCoLink, Inc.	US
AS23087	Communications Data Group	US
AS14480	County of Orangeburg	US