IPv4 Network

204.235.128.0/21

🇺🇸 Owner: CITIGR-5 · ARIN

204.235.128.0/21 is registered to CITIGR-5 (US) via ARIN. Look up the owning organisation and its other IPv4 networks.

Network204.235.128.0/21
OrganisationCITIGR-5
Registry🇺🇸 ARIN (US)
All networks of this org → Transfers via ARIN →
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:       204.235.128.0 - 204.235.141.255
CIDR:           204.235.128.0/21, 204.235.140.0/23, 204.235.136.0/22
NetName:        CITIGR-5
NetHandle:      NET-204-235-128-0-1
Parent:         NET204 (NET-204-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Citigroup Inc. (CITIGR-5)
RegDate:        1995-02-02
Updated:        2024-12-02
Ref:            https://rdap.arin.net/registry/ip/204.235.128.0


OrgName:        Citigroup Inc.
OrgId:          CITIGR-5
Address:        283 King George Rd
City:           Warren
StateProv:      NJ
PostalCode:     07059
Country:        US
RegDate:        2002-05-24
Updated:        2026-03-24
Ref:            https://rdap.arin.net/registry/entity/CITIGR-5


OrgTechHandle: PENAR13-ARIN
OrgTechName:   Pena, Ray 
OrgTechPhone:  +1-631-712-7472 
OrgTechEmail:  raymond.i.pena@citi.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PENAR13-ARIN

OrgTechHandle: GLORI13-ARIN
OrgTechName:   Gloria, Ana 
OrgTechPhone:  +1-855-384-4622 
OrgTechEmail:  ipbillingservices@citi.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GLORI13-ARIN

OrgAbuseHandle: ABUSE9564-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-855-384-4622 
OrgAbuseEmail:  domain.admin@citi.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE9564-ARIN

OrgTechHandle: WANGI-ARIN
OrgTechName:   Wangin, Bartosz 
OrgTechPhone:  +48501635874 
OrgTechEmail:  bartosz.wangin@citi.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WANGI-ARIN

OrgTechHandle: CIS27-ARIN
OrgTechName:   Citigroup IP Services
OrgTechPhone:  +1-631-712-8024 
OrgTechEmail:  iptechservices@citi.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CIS27-ARIN

OrgTechHandle: EATON72-ARIN
OrgTechName:   Eaton, Melissa 
OrgTechPhone:  +1-855-384-4622 
OrgTechEmail:  ipbillingservices@citi.com
OrgTechRef:    https://rdap.arin.net/registry/entity/EATON72-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.
#

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