ASN AS33425 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS33425?

AS33425 is listed under CoreWeave, 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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AS33425 CoreWeave, Inc | IPGeolocation.io

ASN Lookup Tool

CoreWeave, Inc coreweave.com

US 8 Routes

AS Data

AS33425

AS33425 – CoreWeave, Inc

AS Number	33425
AS Name	COREWEAVE
Organization	CoreWeave, Inc (corew-1)
Country	US
Website	coreweave.com
Number of IPv4 Routes	6
Number of IPv6 Routes	2
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2020-08-05

ASN Intelligence API for production workflows

Use ASN data for AS33425 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2607:241::/32	AS33425	CoreWeave, Inc	CoreWeave, Inc	~79×10²⁷
83.228.128.0/18	AS33425	CoreWeave, Inc	CoreWeave UK Limited	16384
207.53.232.0/22	AS33425	CoreWeave, Inc	CoreWeave, Inc	1024
166.19.0.0/16	AS33425	CoreWeave, Inc	CoreWeave, Inc	65536
2607:240::/32	AS33425	CoreWeave, Inc	CoreWeave, Inc	~79×10²⁷
198.176.96.0/20	AS33425	CoreWeave, Inc	CoreWeave, Inc	4096
192.112.160.0/20	AS33425	CoreWeave, Inc	CoreWeave, Inc	4096
216.153.48.0/20	AS33425	CoreWeave, Inc	CoreWeave, Inc	4096

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:       33425
ASName:         COREWEAVE
ASHandle:       AS33425
RegDate:        2020-08-05
Updated:        2020-08-05
Ref:            https://rdap.arin.net/registry/autnum/33425


OrgName:        CoreWeave, Inc
OrgId:          COREW-1
Address:        101 Eisenhower Parkway
Address:        Suite 106
City:           Roseland
StateProv:      NJ
PostalCode:     07068
Country:        US
RegDate:        2020-05-14
Updated:        2024-11-25
Comment:        http://coreweave.com
Ref:            https://rdap.arin.net/registry/entity/COREW-1


OrgNOCHandle: COREW-ARIN
OrgNOCName:   CoreWeave NOC
OrgNOCPhone:  +1-201-256-1436 
OrgNOCEmail:  noc@coreweave.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/COREW-ARIN

OrgTechHandle: COREW-ARIN
OrgTechName:   CoreWeave NOC
OrgTechPhone:  +1-201-256-1436 
OrgTechEmail:  noc@coreweave.com
OrgTechRef:    https://rdap.arin.net/registry/entity/COREW-ARIN

OrgRoutingHandle: COREW-ARIN
OrgRoutingName:   CoreWeave NOC
OrgRoutingPhone:  +1-201-256-1436 
OrgRoutingEmail:  noc@coreweave.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/COREW-ARIN

OrgDNSHandle: COREW-ARIN
OrgDNSName:   CoreWeave NOC
OrgDNSPhone:  +1-201-256-1436 
OrgDNSEmail:  noc@coreweave.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/COREW-ARIN

OrgAbuseHandle: COREW1-ARIN
OrgAbuseName:   CoreWeave Abuse
OrgAbusePhone:  +1-201-256-1436 
OrgAbuseEmail:  abuse@coreweave.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COREW1-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" : "33425",
    "as_handle" : "AS33425",
    "as_name" : "COREWEAVE",
    "admin_contacts" : [ "COREW-ARIN" ],
    "tech_contacts" : [ "COREW-ARIN", "COREW-ARIN" ],
    "abuse_contacts" : [ "COREW1-ARIN" ],
    "date_created" : "2020-08-05",
    "date_updated" : "2020-08-05",
    "source" : "https://rdap.arin.net/registry/autnum/33425"
  } ],
  "organization" : {
    "handle" : "COREW-1",
    "name" : "CoreWeave, Inc",
    "address" : [ "101 Eisenhower Parkway", "Suite 106", "Roseland", "NJ", "07068", "US" ],
    "street" : "Eisenhower Parkway",
    "city" : "Roseland",
    "state" : "NJ",
    "zip_code" : "07068",
    "country" : [ "US" ],
    "date_created" : "2020-05-14",
    "date_updated" : "2024-11-25",
    "source" : "https://rdap.arin.net/registry/entity/COREW-1",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "COREW-ARIN",
    "name" : "CoreWeave NOC",
    "email" : [ "noc@coreweave.com" ],
    "phone" : [ "+1-201-256-1436" ],
    "source" : "https://rdap.arin.net/registry/entity/COREW-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "COREW-ARIN",
    "name" : "CoreWeave NOC",
    "email" : [ "noc@coreweave.com" ],
    "phone" : [ "+1-201-256-1436" ],
    "source" : "https://rdap.arin.net/registry/entity/COREW-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "COREW1-ARIN",
    "name" : "CoreWeave Abuse",
    "email" : [ "abuse@coreweave.com" ],
    "phone" : [ "+1-201-256-1436" ],
    "source" : "https://rdap.arin.net/registry/entity/COREW1-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS1403	EBOX	CA
AS28792	Public Internet Ltd	GB
AS25220	equada network GmbH	DE
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS39249	Netassist International EOOD	BG
AS393577	Tritan Development	US
AS401703	Ordinal Advisors LLC	US
AS215467	Skhron OU	EE
AS3737	PenTeleData Inc.	US
AS38880	Micron21 Datacentre Pty Ltd	AU

Upstreams

AS Number	Description	Country
AS12552	GlobalConnect AB	SE
AS39249	Netassist International EOOD	BG
AS39351	31173 Services AB	SE
AS6939	Hurricane Electric LLC	US
AS6204	ZET.NET IP Transit	RO
AS4230	CLARO S.A.	BR
AS37468	Angola Cables	AO
AS20764	CJSC RASCOM	RU
AS15802	Emirates Integrated Telecommunications Company PJSC	AE
AS37497	Network Platforms PTY LTD	ZA