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
204.146.0.0/16
IP Range
204.146.0.0 - 204.146.18.255
CIDR
204.146.0.0/20, 204.146.18.0/24, 204.146.16.0/23
Network Name
EXECNET-NET1
Organization
IBM (IBM-6)
Country/Region
US
Abuse Contact
[email protected]
Registration Date
1994-09-12
Update Date
1997-03-24
Registrant
IBM (IBM-6)
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:       204.146.0.0 - 204.146.255.255
CIDR:           204.146.0.0/16
NetName:        ATT-204-146-0-0-C
NetHandle:      NET-204-146-0-0-1
Parent:         NET204 (NET-204-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   AT&T Enterprises, LLC (AEL-360)
RegDate:        1994-09-12
Updated:        2024-12-05
Ref:            https://rdap.arin.net/registry/ip/204.146.0.0



OrgName:        AT&T Enterprises, LLC
OrgId:          AEL-360
Address:        208 S. Akard St.
City:           Dallas
StateProv:      TX
PostalCode:     75202
Country:        US
RegDate:        2024-11-22
Updated:        2026-06-05
Ref:            https://rdap.arin.net/registry/entity/AEL-360


OrgTechHandle: ICC-ARIN
OrgTechName:   IP Team
OrgTechPhone:  +1-888-876-2382 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ICC-ARIN

OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName:   Routing POC
OrgRoutingPhone:  +1-999-999-9999 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI59-ARIN

OrgTechHandle: ZS44-ARIN
OrgTechName:   IPAdmin-ATT Internet Services
OrgTechPhone:  +1-888-510-5545 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN

OrgAbuseHandle: ABUSE7-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-919-319-8167 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7-ARIN

# end


# start

NetRange:       204.146.0.0 - 204.146.18.255
CIDR:           204.146.0.0/20, 204.146.18.0/24, 204.146.16.0/23
NetName:        EXECNET-NET1
NetHandle:      NET-204-146-0-0-2
Parent:         ATT-204-146-0-0-C (NET-204-146-0-0-1)
NetType:        Reassigned
OriginAS:       
Organization:   IBM (IBM-6)
RegDate:        1994-09-12
Updated:        1997-03-24
Ref:            https://rdap.arin.net/registry/ip/204.146.0.0


OrgName:        IBM
OrgId:          IBM-6
Address:        1 Old Orchard Rd.
City:           Armonk
StateProv:      NY
PostalCode:     10504
Country:        US
RegDate:        1994-09-12
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/IBM-6


OrgAbuseHandle: RR3070-ARIN
OrgAbuseName:   Radosevich, Rade 
OrgAbusePhone:  +1-813-878-3566 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RR3070-ARIN

OrgTechHandle: RR3070-ARIN
OrgTechName:   Radosevich, Rade 
OrgTechPhone:  +1-813-878-3566 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/RR3070-ARIN

RTechHandle: RR3070-ARIN
RTechName:   Radosevich, Rade 
RTechPhone:  +1-813-878-3566 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/RR3070-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.
#