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
199.96.56.0/23
IP Range
199.96.56.0 - 199.96.63.255
CIDR
199.96.56.0/21
Network Name
TWITTER-NETWORK
Organization
Twitter Inc. (TWITT)
Country/Region
US
Abuse Contact
[email protected]
Registration Date
2012-02-01
Update Date
2020-06-28
Registrant
Twitter Inc. (TWITT)
Domain Status
Direct Allocation
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.
#


NetRange:       199.96.56.0 - 199.96.63.255
CIDR:           199.96.56.0/21
NetName:        TWITTER-NETWORK
NetHandle:      NET-199-96-56-0-1
Parent:         NET199 (NET-199-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Twitter Inc. (TWITT)
RegDate:        2012-02-01
Updated:        2020-06-28
Ref:            https://rdap.arin.net/registry/ip/199.96.56.0


OrgName:        Twitter Inc.
OrgId:          TWITT
Address:        1355 Market Street
Address:        Suite 900
City:           San Francisco
StateProv:      CA
PostalCode:     94103
Country:        US
RegDate:        2010-03-08
Updated:        2026-06-24
Ref:            https://rdap.arin.net/registry/entity/TWITT


OrgTechHandle: NETWO3685-ARIN
OrgTechName:   Network Operations
OrgTechPhone:  +1-415-222-9670 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO3685-ARIN

OrgAbuseHandle: TNA33-ARIN
OrgAbuseName:   Twitter Network Abuse
OrgAbusePhone:  +1-415-222-9670 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TNA33-ARIN

OrgNOCHandle: NETWO3685-ARIN
OrgNOCName:   Network Operations
OrgNOCPhone:  +1-415-222-9670 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO3685-ARIN

OrgTechHandle: FENEC5-ARIN
OrgTechName:   Fenech, William 
OrgTechPhone:  +1-415-222-9670 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/FENEC5-ARIN

RTechHandle: NETWO3685-ARIN
RTechName:   Network Operations
RTechPhone:  +1-415-222-9670 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/NETWO3685-ARIN

RNOCHandle: NETWO3685-ARIN
RNOCName:   Network Operations
RNOCPhone:  +1-415-222-9670 
RNOCEmail:  [email protected]
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO3685-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 1997-2026, American Registry for Internet Numbers, Ltd.
#