ASN AS53985 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS53985?

AS53985 is listed under DODGE & COX.

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.

AS53985 DODGE & COX | IPGeolocation.io

ASN Lookup Tool

DODGE & COX dodgeandcox.com

US 7 Routes

AS Data

AS53985

AS53985 – DODGE & COX

AS Number	53985
AS Name	DODGE-AND-COX-FUNDS
Organization	DODGE & COX (dcf-7)
Country	US
Website	dodgeandcox.com
Number of IPv4 Routes	7
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2011-08-24

ASN Intelligence API for production workflows

Use ASN data for AS53985 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
154.61.141.0/24	AS53985	DODGE & COX	Cogent Communications, LLC	256
8.25.223.0/24	AS53985	DODGE & COX	DODGE & COX	256
206.205.27.0/24	AS53985	DODGE & COX	Verizon Business	256
206.15.89.0/24	AS53985	DODGE & COX	DODGE & COX	256
209.49.123.0/24	AS53985	DODGE & COX	Verizon Business	256
154.61.131.0/24	AS53985	DODGE & COX	Cogent Communications, LLC	256
50.238.211.0/24	AS53985	DODGE & COX	DODGE AND COX	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:       53985
ASName:         DODGE-AND-COX-FUNDS
ASHandle:       AS53985
RegDate:        2011-08-24
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/53985


OrgName:        DODGE & COX
OrgId:          DCF-7
Address:        555 CALIFORNIA ST
City:           SAN FRANCISCO
StateProv:      CA
PostalCode:     94104
Country:        US
RegDate:        2003-11-14
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/DCF-7


OrgTechHandle: TRO17-ARIN
OrgTechName:   ROBINSON, TIMOTHY 
OrgTechPhone:  +1-415-740-5315 
OrgTechEmail:  David.Hayes@dodgeandcox.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TRO17-ARIN

OrgAbuseHandle: TRO17-ARIN
OrgAbuseName:   ROBINSON, TIMOTHY 
OrgAbusePhone:  +1-415-740-5315 
OrgAbuseEmail:  David.Hayes@dodgeandcox.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TRO17-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" : "53985",
    "as_handle" : "AS53985",
    "as_name" : "DODGE-AND-COX-FUNDS",
    "tech_contacts" : [ "TRO17-ARIN" ],
    "abuse_contacts" : [ "TRO17-ARIN" ],
    "date_created" : "2011-08-24",
    "date_updated" : "2012-03-02",
    "source" : "https://rdap.arin.net/registry/autnum/53985"
  } ],
  "organization" : {
    "handle" : "DCF-7",
    "name" : "DODGE & COX",
    "address" : [ "555 CALIFORNIA ST", "SAN FRANCISCO", "CA", "94104", "US" ],
    "street" : "California St",
    "city" : "San Francisco",
    "state" : "CA",
    "zip_code" : "94104",
    "country" : [ "US" ],
    "date_created" : "2003-11-14",
    "date_updated" : "2011-09-24",
    "source" : "https://rdap.arin.net/registry/entity/DCF-7",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "TRO17-ARIN",
    "name" : "ROBINSON, TIMOTHY",
    "email" : [ "David.Hayes@dodgeandcox.com" ],
    "phone" : [ "+1-415-740-5315" ],
    "source" : "https://rdap.arin.net/registry/entity/TRO17-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "TRO17-ARIN",
    "name" : "ROBINSON, TIMOTHY",
    "email" : [ "David.Hayes@dodgeandcox.com" ],
    "phone" : [ "+1-415-740-5315" ],
    "source" : "https://rdap.arin.net/registry/entity/TRO17-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS60793	TELEFONICA TECH NORTHERN IRELAND LIMITED	GB
AS1239	Cogent Communications, LLC	US
AS33651	Comcast Cable Communications, LLC	US
AS701	Verizon Business/UUnet	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS174	Cogent Communications, LLC	US
AS701	Verizon Business	US

Upstreams

AS Number	Description	Country
AS60793	TELEFONICA TECH NORTHERN IRELAND LIMITED	GB
AS33651	Comcast Cable Communications, LLC	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS174	Cogent Communications, LLC	US
AS701	Verizon Business	US