166.19.0.42
Hosting
Data retrieved at
Network
ASN
IP Range
Company
CoreWeave, Inc
Network
COREW-1
Using networksdb.io for network lookups.
Hostname
Not available.
AS Domain
coreweave.com
Using host.io for pre-visualize domains.
Type
Hosting
Handle
NET-166-19-0-0-1
Registered
2024-01-25
Last Changed
2026-09-02
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "166.19.0.0",
"length": 16
}
],
"endAddress": "166.19.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-02-21T13:58:33-05:00"
},
{
"eventAction": "registration",
"eventDate": "2018-06-01T18:43:01-04:00"
}
],
"handle": "SALAN13-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SALAN13-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/166.19.0.42"
},
{
"href": "https://whois.arin.net/rest/poc/SALAN13-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/166.19.0.42"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2024-02-21"
],
"title": "Unvalidated POC"
}
],
"roles": [
"administrative"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "12 Commerce St\nSpringfield\nNJ\n07081\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Peter Salanki"
],
[
"n",
{},
"text",
[
"Salanki",
"Peter",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-201-256-1436"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-02T07:34:49-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-02-21T13:37:54-05:00"
}
],
"handle": "COREW-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/COREW-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/166.19.0.42"
},
{
"href": "https://whois.arin.net/rest/poc/COREW-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/166.19.0.42"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://coreweave.com"
],
"title": "Registration Comments"
}
],
"roles": [
"routing",
"technical",
"noc",
"dns"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "101 Eisenhower Parkway\nSuite 106\nRoseland\nNJ\n07068\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"CoreWeave NOC"
],
[
"org",
{},
"text",
"CoreWeave, Inc."
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-201-256-1436"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-19T15:45:28-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-02-21T13:42:16-05:00"
}
],
"handle": "COREW1-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/COREW1-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/166.19.0.42"
},
{
"href": "https://whois.arin.net/rest/poc/COREW1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/166.19.0.42"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://coreweave.com"
],
"title": "Registration Comments"
}
],
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "101 Eisenhower Parkway\nSuite 106\nRoseland\nNJ\n07068\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"CoreWeave Abuse"
],
[
"org",
{},
"text",
"CoreWeave, Inc."
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-201-256-1436"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-11-25T11:09:46-05:00"
},
{
"eventAction": "registration",
"eventDate": "2020-05-14T11:12:44-04:00"
}
],
"handle": "COREW-1",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/COREW-1",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/166.19.0.42"
},
{
"href": "https://whois.arin.net/rest/org/COREW-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/166.19.0.42"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://coreweave.com"
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"CoreWeave, Inc"
],
[
"adr",
{
"label": "101 Eisenhower Parkway\nSuite 106\nRoseland\nNJ\n07068\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-02T09:57:17-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-01-25T17:37:19-05:00"
}
],
"handle": "NET-166-19-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/166.19.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/166.19.0.42"
},
{
"href": "https://whois.arin.net/rest/net/NET-166-19-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/166.19.0.42"
}
],
"name": "COREW-1",
"notices": [
{
"description": [
"By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/tou/",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://rdap.arin.net/registry/ip/166.19.0.42"
}
],
"title": "Terms of Service"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://rdap.arin.net/registry/ip/166.19.0.42"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-166-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"remarks": [
{
"description": [
"Geofeed http://coreweave.com/files/geofeed.csv"
],
"title": "Registration Comments"
}
],
"startAddress": "166.19.0.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}
Security
Hosting
Detected
VPN
Proxy
Tor
Hosting
Residential Proxy
Bogon
Abuser
Crawler
RPKI
RPKI Origin Validation
RPKI verifies that an IP prefix is legitimately announced by the authorized Autonomous System (ASN) using Route Origin Authorizations (ROAs).
Valid.
This prefix is correctly authorized by a valid ROA.
VALID
Validated Prefix
166.19.0.0/16
Authorized ASN
AS33425
Abuse Contacts
IP Geolocation
Country
United States
Time Zone
America/Chicago
Coordinates
37.751, -97.822
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)