What is ASN AS402542?

ASN AS402542 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS402542?

AS402542 is listed under Cloudflare, 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?

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.

AS402542 Cloudflare, Inc. | IPGeolocation.io

ASN Lookup Tool

Cloudflare, Inc. cloudflare.com

US 0 Routes

AS Data

AS402542

AS402542 – Cloudflare, Inc.

AS Number	402542
AS Name	CLOUDFLARENET
Organization	Cloudflare, Inc. (cloud14)
Country	US
Website	cloudflare.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2026-05-20

ASN Intelligence API for production workflows

Use ASN data for AS402542 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

Get ASN API Key ASN API Docs

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:       402542
ASName:         CLOUDFLARENET
ASHandle:       AS402542
RegDate:        2026-05-20
Updated:        2026-05-20
Ref:            https://rdap.arin.net/registry/autnum/402542



OrgName:        Cloudflare, Inc.
OrgId:          CLOUD14
Address:        101 Townsend Street
City:           San Francisco
StateProv:      CA
PostalCode:     94107
Country:        US
RegDate:        2010-07-09
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/CLOUD14


OrgNOCHandle: CLOUD146-ARIN
OrgNOCName:   Cloudflare-NOC
OrgNOCPhone:  +1-650-319-8930 
OrgNOCEmail:  noc@cloudflare.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/CLOUD146-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-650-319-8930 
OrgAbuseEmail:  abuse@cloudflare.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgTechHandle: ADMIN2521-ARIN
OrgTechName:   Admin
OrgTechPhone:  +1-650-319-8930 
OrgTechEmail:  rir@cloudflare.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgRoutingHandle: CLOUD146-ARIN
OrgRoutingName:   Cloudflare-NOC
OrgRoutingPhone:  +1-650-319-8930 
OrgRoutingEmail:  noc@cloudflare.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CLOUD146-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" : "402542",
    "as_handle" : "AS402542",
    "as_name" : "CLOUDFLARENET",
    "tech_contacts" : [ "ADMIN2521-ARIN", "CLOUD146-ARIN" ],
    "abuse_contacts" : [ "ABUSE2916-ARIN" ],
    "date_created" : "2026-05-20",
    "date_updated" : "2026-05-20",
    "source" : "https://rdap.arin.net/registry/autnum/402542"
  } ],
  "organization" : {
    "handle" : "CLOUD14",
    "name" : "Cloudflare, Inc.",
    "address" : [ "101 Townsend Street", "San Francisco", "CA", "94107", "US" ],
    "street" : "Townsend Street",
    "city" : "San Francisco",
    "state" : "CA",
    "zip_code" : "94107",
    "country" : [ "US" ],
    "date_created" : "2010-07-09",
    "date_updated" : "2024-11-25",
    "source" : "https://rdap.arin.net/registry/entity/CLOUD14",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "ADMIN2521-ARIN",
    "name" : "Admin",
    "email" : [ "rir@cloudflare.com" ],
    "phone" : [ "+1-650-319-8930" ],
    "source" : "https://rdap.arin.net/registry/entity/ADMIN2521-ARIN"
  }, {
    "handle" : "CLOUD146-ARIN",
    "name" : "Cloudflare-NOC",
    "email" : [ "noc@cloudflare.com" ],
    "phone" : [ "+1-650-319-8930" ],
    "source" : "https://rdap.arin.net/registry/entity/CLOUD146-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE2916-ARIN",
    "name" : "Abuse",
    "email" : [ "abuse@cloudflare.com" ],
    "phone" : [ "+1-650-319-8930" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE2916-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS13335	Cloudflare, Inc.	US
AS6762	TELECOM ITALIA SPARKLE S.p.A.	IT
AS12956	TELXIUS Cable	ES
AS6830	Liberty Global Europe Holding B.V.	NL
AS12956	TELEFONICA GLOBAL SOLUTIONS SL	ES
AS701	Verizon Business/UUnet	US
AS2914	NTT America, Inc.	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS6830	Liberty Global Europe Holding B.V.	EU

Upstreams

AS Number	Description	Country
AS6762	TELECOM ITALIA SPARKLE S.p.A.	IT
AS12956	TELXIUS Cable	ES
AS6830	Liberty Global Europe Holding B.V.	NL
AS2914	NTT America, Inc.	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US