ASN AS26667 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS26667?

AS26667 is listed under Magnite, Inc..

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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AS26667 Magnite, Inc. | IPGeolocation.io

ASN Lookup Tool

Magnite, Inc. magnite.com

US 19 Routes

AS Data

AS26667

AS26667 – Magnite, Inc.

AS Number	26667
AS Name	RUBICONPROJECT
Organization	Magnite, Inc. (admon)
Country	US
Website	magnite.com
Number of IPv4 Routes	12
Number of IPv6 Routes	7
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2007-11-08

ASN Intelligence API for production workflows

Use ASN data for AS26667 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2602:803:c003::/48	AS26667	Magnite, Inc.	Magnite, Inc.	~1×10²⁴
191.215.64.0/18	AS26667	Magnite, Inc.	ADMON	16384
216.109.160.0/20	AS26667	Magnite, Inc.	Magnite, Inc.	4096
216.19.208.0/20	AS26667	Magnite, Inc.	ADMON	4096
2602:803:c005::/48	AS26667	Magnite, Inc.	Magnite, Inc.	~1×10²⁴
2602:803:c001::/48	AS26667	Magnite, Inc.	Magnite, Inc.	~1×10²⁴
191.215.64.0/19	AS26667	Magnite, Inc.	ADMON	8192
69.173.158.0/24	AS26667	Magnite, Inc.	Magnite, Inc.	256
216.19.192.0/20	AS26667	Magnite, Inc.	ADMON	4096
69.173.145.0/24	AS26667	Magnite, Inc.	Magnite, Inc.	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:       26667
ASName:         RUBICONPROJECT
ASHandle:       AS26667
RegDate:        2007-11-08
Updated:        2014-11-05
Ref:            https://rdap.arin.net/registry/autnum/26667


OrgName:        Magnite, Inc.
OrgId:          ADMON
Address:        6080 Center Drive, Suite 400/4th Floor
City:           Los Angeles
StateProv:      CA
PostalCode:     90045
Country:        US
RegDate:        2007-10-03
Updated:        2024-12-13
Ref:            https://rdap.arin.net/registry/entity/ADMON


OrgAbuseHandle: OPERA143-ARIN
OrgAbuseName:   Operations Team
OrgAbusePhone:  +1-424-293-7240 
OrgAbuseEmail:  crocco@magnite.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/OPERA143-ARIN

OrgNOCHandle: OPERA143-ARIN
OrgNOCName:   Operations Team
OrgNOCPhone:  +1-424-293-7240 
OrgNOCEmail:  crocco@magnite.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/OPERA143-ARIN

OrgTechHandle: OPERA143-ARIN
OrgTechName:   Operations Team
OrgTechPhone:  +1-424-293-7240 
OrgTechEmail:  crocco@magnite.com
OrgTechRef:    https://rdap.arin.net/registry/entity/OPERA143-ARIN

RNOCHandle: OPERA143-ARIN
RNOCName:   Operations Team
RNOCPhone:  +1-424-293-7240 
RNOCEmail:  crocco@magnite.com
RNOCRef:    https://rdap.arin.net/registry/entity/OPERA143-ARIN

RTechHandle: OPERA143-ARIN
RTechName:   Operations Team
RTechPhone:  +1-424-293-7240 
RTechEmail:  crocco@magnite.com
RTechRef:    https://rdap.arin.net/registry/entity/OPERA143-ARIN

RAbuseHandle: OPERA143-ARIN
RAbuseName:   Operations Team
RAbusePhone:  +1-424-293-7240 
RAbuseEmail:  crocco@magnite.com
RAbuseRef:    https://rdap.arin.net/registry/entity/OPERA143-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" : "26667",
    "as_handle" : "AS26667",
    "as_name" : "RUBICONPROJECT",
    "tech_contacts" : [ "OPERA143-ARIN", "OPERA143-ARIN" ],
    "abuse_contacts" : [ "OPERA143-ARIN", "OPERA143-ARIN" ],
    "date_created" : "2007-11-08",
    "date_updated" : "2014-11-05",
    "source" : "https://rdap.arin.net/registry/autnum/26667"
  } ],
  "organization" : {
    "handle" : "ADMON",
    "name" : "Magnite, Inc.",
    "address" : [ "6080 Center Drive, Suite 400/4th Floor", "Los Angeles", "CA", "90045", "US" ],
    "street" : "Center Drive",
    "city" : "Los Angeles",
    "state" : "CA",
    "zip_code" : "90045",
    "country" : [ "US" ],
    "date_created" : "2007-10-03",
    "date_updated" : "2024-12-13",
    "source" : "https://rdap.arin.net/registry/entity/ADMON",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "OPERA143-ARIN",
    "name" : "Operations Team",
    "email" : [ "crocco@magnite.com" ],
    "phone" : [ "+1-424-293-7240" ],
    "source" : "https://rdap.arin.net/registry/entity/OPERA143-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "OPERA143-ARIN",
    "name" : "Operations Team",
    "email" : [ "crocco@magnite.com" ],
    "phone" : [ "+1-424-293-7240" ],
    "source" : "https://rdap.arin.net/registry/entity/OPERA143-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS58057	Securebit AG	CH
AS25220	equada network GmbH	DE
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS39249	Netassist International EOOD	BG
AS200242	Ember Ana Reimer	DE
AS13030	Init7 (Switzerland) Ltd.	CH
AS3737	PenTeleData Inc.	US
AS286	GTT Communications Inc.	US
AS38880	Micron21 Datacentre Pty Ltd	AU
AS31133	PJSC MegaFon	RU

Upstreams

AS Number	Description	Country
AS7195	EDGEUNO S.A.S	CO
AS39249	Netassist International EOOD	BG
AS49434	FBW NETWORKS SAS	FR
AS39351	31173 Services AB	SE
AS6939	Hurricane Electric LLC	US
AS6204	ZET.NET IP Transit	RO
AS286	GTT Communications Inc.	US
AS4230	CLARO S.A.	BR
AS37468	Angola Cables	AO
AS20764	CJSC RASCOM	RU