AS25883 Citigroup Inc. 🇺🇸 US

Announcing 14 prefixes, seen at the RIS collectors.

IPv4 prefixes

3,584 (14 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS25883
Name: Citigroup Inc.
Organisation: Citigroup Inc.
Country: 🇺🇸 US
RIR: ARIN
Allocated: 2002-05-24

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 14 no ROA (100.0%)

Whois

Fetched from whois.arin.net

ASNumber:       25883
ASName:         CITIGROUP
ASHandle:       AS25883
RegDate:        2002-05-24
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/25883

OrgName:        Citigroup Inc.
OrgId:          CITIGR-5
Address:        283 King George Rd
City:           Warren
StateProv:      NJ
PostalCode:     07059
Country:        US
RegDate:        2002-05-24
Updated:        2026-09-08
Ref:            https://rdap.arin.net/registry/entity/CITIGR-5

OrgTechHandle: BILTO2-ARIN
OrgTechName:   Bil, Tomasz
OrgTechPhone:  +48221282515
OrgTechEmail:  tomasz.bil@citi.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BILTO2-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

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

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

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

RTechHandle: RC1630-ARIN
RTechName:   Centra, Rob
RTechPhone:  +1-212-816-0884
RTechEmail:  network.addressmngt@iuo.ssmb.com
RTechRef:    https://rdap.arin.net/registry/entity/RC1630-ARIN