166.19.92.0/24

AS33425 · CoreWeave, Inc

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Summary

Country	United States
Domain	coreweave.com
ASN	AS33425
Parent Range	166.19.0.0/16
Registry	ARIN
ID	COREW-1

WHOIS Details

NetHandle:      NET-166-19-0-0-1
OrgID:          COREW-1
Parent:         NET-166-0-0-0-0
NetName:        COREW-1
NetRange:       166.19.0.0 - 166.19.255.255
NetType:        allocation
RegDate:        2024-01-25
Updated:        2024-01-25
Source:         ARIN


OrgID:          COREW-1
OrgName:        CoreWeave, Inc
CanAllocate:    
Street:         101 Eisenhower Parkway
Street:         Suite 106
City:           Roseland
State/Prov:     NJ
Country:        US
PostalCode:     07068
Comment:        http://coreweave.com
RegDate:        2020-05-14
Updated:        2024-11-25
OrgAdminHandle: SALAN13-ARIN
OrgTechHandle:  COREW-ARIN
OrgAbuseHandle: COREW1-ARIN
OrgNOCHandle:   COREW-ARIN
OrgRoutingHandle:   COREW-ARIN
OrgDNSHandle:   COREW-ARIN
Source:         ARIN


POCHandle:      COREW1-ARIN
IsRole:         Y
LastName:       CoreWeave Abuse
FirstName:      
Street:         101 Eisenhower Parkway
Street:         Suite 106
City:           Roseland
State/Prov:     NJ
Country:        US
PostalCode:     07068
RegDate:        2023-02-21
Updated:        2024-04-19
OfficePhone:    +1-201-256-1436
Mailbox:        abuse@coreweave.com
Source:         ARIN


POCHandle:      SALAN13-ARIN
IsRole:         N
LastName:       Salanki
FirstName:      Peter
Street:         12 Commerce St
City:           Springfield
State/Prov:     NJ
Country:        US
PostalCode:     07081
RegDate:        2018-06-01
Updated:        2023-02-21
OfficePhone:    +1-201-256-1436
Mailbox:        peter@coreweave.com
Source:         ARIN


POCHandle:      COREW-ARIN
IsRole:         Y
LastName:       CoreWeave NOC
FirstName:      
Street:         101 Eisenhower Parkway
Street:         Suite 106
City:           Roseland
State/Prov:     NJ
Country:        US
PostalCode:     07068
RegDate:        2023-02-21
Updated:        2025-04-21
OfficePhone:    +1-201-256-1436
Mailbox:        noc@coreweave.com
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 166.19.92.0/24

Range	ASN	Company	Num of IPs
166.19.0.0/16	AS33425	CoreWeave, Inc	65,536

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
156.208.154.8	AS8452 TE-AS	`4.21ms` from Cairo, EG
20.166.247.88	AS8075 Microsoft Corporation	`0.21ms` from Dublin, IE
20.52.56.88	AS8075 Microsoft Corporation	`0.19ms` from Frankfurt am Main, DE
91.26.179.200	AS3320 Deutsche Telekom AG	`0.40ms` from Hamburg, DE
116.62.63.200	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`5.33ms` from Hangzhou, CN
109.107.108.72	AS200845 AVATEL TELECOM, SA	`9.99ms` from Madrid, ES
213.37.174.232	AS6739 VODAFONE ONO, S.A.	`5.04ms` from Madrid, ES
181.141.195.24	AS13489 UNE EPM TELECOMUNICACIONES S.A.	`7.62ms` from Medellin, CO
186.50.29.216	AS6057 Administracion Nacional de Telecomunicaciones	`1.61ms` from Montevideo, UY
93.214.198.136	AS3320 Deutsche Telekom AG	`4.05ms` from Nuernberg, DE
115.30.237.24	AS7522 STNet, Incorporated	`8.77ms` from Osaka, JP
18.228.17.168	AS16509 Amazon.com, Inc.	`1.80ms` from Osasco, BR
84.246.228.248	AS34177 CELESTE SAS	`6.49ms` from Paris, FR
79.17.204.216	AS3269 Telecom Italia S.p.A.	`10.31ms` from Rome, IT
121.4.44.72	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.70ms` from Shanghai, CN
61.13.134.168	AS134078 NETPLUZ HOLDINGS PRIVATE LIMITED	`0.68ms` from Singapore, SG
139.180.184.8	AS20473 The Constant Company, LLC	`0.11ms` from Singapore, SG
216.138.15.152	AS12033 Adams TelSystems, Inc.	`3.52ms` from St. Louis, US
115.58.217.136	AS4837 CHINA UNICOM China169 Backbone	`6.05ms` from Zhengzhou, CN
154.247.70.40	AS36947 Telecom Algeria	`14.63ms` from Algiers, DZ
101.201.19.200	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`2.08ms` from Beijing, CN
35.95.148.248	AS16509 Amazon.com, Inc.	`0.56ms` from Boardman, US
119.86.163.88	AS4134 CHINANET-BACKBONE	`2.37ms` from Chongqing, CN
162.144.157.248	AS46606 Unified Layer	`2.00ms` from Draper, US
193.177.133.8	AS29222 Infomaniak Network SA	`0.57ms` from Geneve, CH

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -m11 166.19.92.145

traceroute to 166.19.92.145 (166.19.92.145): 11 hops max, 52 byte packets

1 [AS21554] 38.39.182.126 0.277 ms

2 [AS21554] 66.185.29.137 0.285 ms

3 *

4 *

5 [AS3356] 4.59.31.86 3.412 ms

6 [AS33425] 192.112.162.27 23.215 ms

7 [AS33425] 192.112.162.221 23.361 ms

8 [AS33425] 166.19.3.135 26.173 ms

9 *

10 *

11 *

Measurement taken from

IPinfo ProbeNet in Milwaukee, US

On October 9th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

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