Whois Lookup

Query registration info, expiration date, registrar and more for domain, IP or ASN

Example： google.com · baidu.com · github.com · 8.8.8.8 · 211.234.110.0/24 · AS13335
Registration Info
72.10.64.0/19
IP Range
72.10.64.0 - 72.10.64.15
CIDR
72.10.64.0/28
Network Name
ZAYO-72-10-64-0-28
Country/Region
US
Abuse Contact
[email protected]
Registration Date
2026-08-12
Update Date
2026-08-12
Domain Status
Reassigned
Raw Whois Data
#
# 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.
#



# start

NetRange:       72.10.64.0 - 72.10.95.255
CIDR:           72.10.64.0/19
NetName:        ZAYOB
NetHandle:      NET-72-10-64-0-1
Parent:         NET72 (NET-72-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Zayo Bandwidth (ZAYOB)
RegDate:        2004-10-20
Updated:        2015-07-09
Ref:            https://rdap.arin.net/registry/ip/72.10.64.0



OrgName:        Zayo Bandwidth
OrgId:          ZAYOB
Address:        1401 Wynkoop St.
Address:        #500
City:           Denver
StateProv:      CO
PostalCode:     80202
Country:        US
RegDate:        2007-10-12
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/ZAYOB


OrgNOCHandle: ZIE-ARIN
OrgNOCName:   Zayo IP Engineering
OrgNOCPhone:  +1-866-236-2824 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZIE-ARIN

OrgTechHandle: ZIE-ARIN
OrgTechName:   Zayo IP Engineering
OrgTechPhone:  +1-866-236-2824 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ZIE-ARIN

OrgAbuseHandle: ABUSE5675-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-866-236-2824 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5675-ARIN

# end


# start

NetRange:       72.10.64.0 - 72.10.64.15
CIDR:           72.10.64.0/28
NetName:        ZAYO-72-10-64-0-28
NetHandle:      NET-72-10-64-0-2
Parent:         ZAYOB (NET-72-10-64-0-1)
NetType:        Reassigned
OriginAS:       
Customer:       OpenAI OpCo, LLC (C11678806)
RegDate:        2026-08-12
Updated:        2026-08-12
Comment:        1
Ref:            https://rdap.arin.net/registry/ip/72.10.64.0


CustName:       OpenAI OpCo, LLC
Address:        1800 Owens St
City:           San Francisco
StateProv:      CA
PostalCode:     94158
Country:        US
RegDate:        2026-08-12
Updated:        2026-08-12
Ref:            https://rdap.arin.net/registry/entity/C11678806

OrgNOCHandle: ZIE-ARIN
OrgNOCName:   Zayo IP Engineering
OrgNOCPhone:  +1-866-236-2824 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZIE-ARIN

OrgTechHandle: ZIE-ARIN
OrgTechName:   Zayo IP Engineering
OrgTechPhone:  +1-866-236-2824 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ZIE-ARIN

OrgAbuseHandle: ABUSE5675-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-866-236-2824 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5675-ARIN

# end



#
# 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.
#