To assist you with debugging problems, this whois query was received from IP Address:

18.222.112.64

% APNIC found the following authoritative answer from: whois.arin.net
#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#
NetRange:166.19.0.0 - 166.19.255.255
CIDR:166.19.0.0/16
NetName:COREW-1
NetHandle:NET-166-19-0-0-1
Parent:NET166 (NET-166-0-0-0-0)
NetType:Direct Allocation
OriginAS:
Organization:CoreWeave, Inc (COREW-1)
RegDate:2024-01-25
Updated:2024-01-25
Ref:https://rdap.arin.net/registry/ip/166.19.0.0
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
OrgAbuseHandle:COREW1-ARIN
OrgAbuseName:CoreWeave Abuse
OrgAbusePhone:+1-201-256-1436
OrgAbuseEmail:abuse@coreweave.com
OrgAbuseRef:https://rdap.arin.net/registry/entity/COREW1-ARIN
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
#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#

e.g. 203.119.42.0/24

IP address lookups Miscellaneous queries
-l

1st level less specific

Returns smallest IP address range that includes the queried IP address or range

-i

Inverse attributes

Returns objects with an attribute that matches the query text and attribute type
-L

All less specific

Return all larger IP address ranges that include the queried IP address or range

-T

Object types

Results that match the query and are of a specified object type
-m

1st level more specific

Returns first level more specific address ranges within the boundaries of the queried IP address range
-M

All more specific

Returns all more specific address ranges within the boundaries of the queried IP address range

Query hints

  • Include "AS" in front of an AS number.
    Example: AS4808

  • Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template
    Example: -t inetnum

-x

Exact match only

Returns address range that exactly matches the queried IP address range
-d

Associated reverse domain

Returns IP address range and associated reverse domain

Javascript disabled

Please re-enable javascript, or use the legacy whois search form.