ASN AS18661 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18661?

AS18661 is listed under Dunn Carney Allen Higgins & Tongue, LLP.

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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AS18661 Dunn Carney Allen Higgins & Tongue, LLP

ASN Lookup Tool

Dunn Carney Allen Higgins & Tongue, LLP dunncarney.com

US 1 Routes

AS Data

AS18661

AS18661 – Dunn Carney Allen Higgins & Tongue, LLP

AS Number	18661
AS Name	DCA-BGP
Organization	Dunn Carney Allen Higgins & Tongue, LLP (dcahtl)
Country	US
Website	dunncarney.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2007-08-02

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Use ASN data for AS18661 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
50.207.188.0/24	AS18661	Dunn Carney Allen Higgins & Tongue, LLP	Comcast Cable Communications, LLC	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:       18661
ASName:         DCA-BGP
ASHandle:       AS18661
RegDate:        2007-08-02
Updated:        2023-08-30
Ref:            https://rdap.arin.net/registry/autnum/18661


OrgName:        Dunn Carney Allen Higgins & Tongue, LLP
OrgId:          DCAHTL
Address:        851 SW 6th Ave
Address:        Suite 1500
City:           Portland
StateProv:      OR
PostalCode:     97204-1352
Country:        US
RegDate:        2007-07-06
Updated:        2017-02-17
Ref:            https://rdap.arin.net/registry/entity/DCAHTL


OrgNOCHandle: WELLE40-ARIN
OrgNOCName:   Wellendorf, Aaron 
OrgNOCPhone:  +1-503-417-5505 
OrgNOCEmail:  awellendorf@dunncarney.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/WELLE40-ARIN

OrgTechHandle: WELLE40-ARIN
OrgTechName:   Wellendorf, Aaron 
OrgTechPhone:  +1-503-417-5505 
OrgTechEmail:  awellendorf@dunncarney.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WELLE40-ARIN

OrgNOCHandle: WELLE41-ARIN
OrgNOCName:   Wellendorf, Aaron 
OrgNOCPhone:  +1-503-417-5464 
OrgNOCEmail:  support@dunncarney.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/WELLE41-ARIN

OrgAbuseHandle: WELLE40-ARIN
OrgAbuseName:   Wellendorf, Aaron 
OrgAbusePhone:  +1-503-417-5505 
OrgAbuseEmail:  awellendorf@dunncarney.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WELLE40-ARIN

OrgTechHandle: WELLE41-ARIN
OrgTechName:   Wellendorf, Aaron 
OrgTechPhone:  +1-503-417-5464 
OrgTechEmail:  support@dunncarney.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WELLE41-ARIN

OrgAbuseHandle: WELLE41-ARIN
OrgAbuseName:   Wellendorf, Aaron 
OrgAbusePhone:  +1-503-417-5464 
OrgAbuseEmail:  support@dunncarney.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WELLE41-ARIN

RTechHandle: TECHS237-ARIN
RTechName:   Tech Support
RTechPhone:  +1-503-417-5464 
RTechEmail:  support@dunncarney.com
RTechRef:    https://rdap.arin.net/registry/entity/TECHS237-ARIN

RNOCHandle: WELLE40-ARIN
RNOCName:   Wellendorf, Aaron 
RNOCPhone:  +1-503-417-5505 
RNOCEmail:  awellendorf@dunncarney.com
RNOCRef:    https://rdap.arin.net/registry/entity/WELLE40-ARIN

RNOCHandle: TECHS237-ARIN
RNOCName:   Tech Support
RNOCPhone:  +1-503-417-5464 
RNOCEmail:  support@dunncarney.com
RNOCRef:    https://rdap.arin.net/registry/entity/TECHS237-ARIN

RAbuseHandle: WELLE40-ARIN
RAbuseName:   Wellendorf, Aaron 
RAbusePhone:  +1-503-417-5505 
RAbuseEmail:  awellendorf@dunncarney.com
RAbuseRef:    https://rdap.arin.net/registry/entity/WELLE40-ARIN

RAbuseHandle: TECHS237-ARIN
RAbuseName:   Tech Support
RAbusePhone:  +1-503-417-5464 
RAbuseEmail:  support@dunncarney.com
RAbuseRef:    https://rdap.arin.net/registry/entity/TECHS237-ARIN

RTechHandle: WELLE40-ARIN
RTechName:   Wellendorf, Aaron 
RTechPhone:  +1-503-417-5505 
RTechEmail:  awellendorf@dunncarney.com
RTechRef:    https://rdap.arin.net/registry/entity/WELLE40-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" : "18661",
    "as_handle" : "AS18661",
    "as_name" : "DCA-BGP",
    "tech_contacts" : [ "WELLE40-ARIN", "WELLE41-ARIN", "TECHS237-ARIN", "WELLE40-ARIN" ],
    "abuse_contacts" : [ "WELLE40-ARIN", "WELLE41-ARIN", "WELLE40-ARIN", "TECHS237-ARIN" ],
    "date_created" : "2007-08-02",
    "date_updated" : "2023-08-30",
    "source" : "https://rdap.arin.net/registry/autnum/18661"
  } ],
  "organization" : {
    "handle" : "DCAHTL",
    "name" : "Dunn Carney Allen Higgins & Tongue, LLP",
    "address" : [ "851 SW 6th Ave", "Suite 1500", "Portland", "OR", "97204-1352", "US" ],
    "street" : "Sw 6th Ave",
    "city" : "Portland",
    "state" : "OR",
    "zip_code" : "97204-1352",
    "country" : [ "US" ],
    "date_created" : "2007-07-06",
    "date_updated" : "2017-02-17",
    "source" : "https://rdap.arin.net/registry/entity/DCAHTL",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "WELLE40-ARIN",
    "name" : "Wellendorf, Aaron",
    "email" : [ "awellendorf@dunncarney.com" ],
    "phone" : [ "+1-503-417-5505" ],
    "source" : "https://rdap.arin.net/registry/entity/WELLE40-ARIN"
  }, {
    "handle" : "WELLE41-ARIN",
    "name" : "Wellendorf, Aaron",
    "email" : [ "support@dunncarney.com" ],
    "phone" : [ "+1-503-417-5464" ],
    "source" : "https://rdap.arin.net/registry/entity/WELLE41-ARIN"
  }, {
    "handle" : "TECHS237-ARIN",
    "name" : "Tech Support",
    "email" : [ "support@dunncarney.com" ],
    "phone" : [ "+1-503-417-5464" ],
    "source" : "https://rdap.arin.net/registry/entity/TECHS237-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "WELLE40-ARIN",
    "name" : "Wellendorf, Aaron",
    "email" : [ "awellendorf@dunncarney.com" ],
    "phone" : [ "+1-503-417-5505" ],
    "source" : "https://rdap.arin.net/registry/entity/WELLE40-ARIN"
  }, {
    "handle" : "WELLE41-ARIN",
    "name" : "Wellendorf, Aaron",
    "email" : [ "support@dunncarney.com" ],
    "phone" : [ "+1-503-417-5464" ],
    "source" : "https://rdap.arin.net/registry/entity/WELLE41-ARIN"
  }, {
    "handle" : "TECHS237-ARIN",
    "name" : "Tech Support",
    "email" : [ "support@dunncarney.com" ],
    "phone" : [ "+1-503-417-5464" ],
    "source" : "https://rdap.arin.net/registry/entity/TECHS237-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS33490	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS33490	Comcast Cable Communications, LLC	US