Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS153595

Announcement observedAPNIC

Citigroup Inc. · CITIGROUPINC-AS-AP

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/9/2026, 02:32:17Snapshot expired

View network topology RDAP registration

ASN: AS153595
Registration country: United States
Name: Citigroup Inc.
Abbreviation: CITIGROUPINC-AS-AP
Registration date: 2/12/2025, 03:03:06
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
192.193.123.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/8/2026, 16:00:00	✓	×	Historical record
192.193.131.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/8/2026, 16:00:00	✓	×	Historical record
192.193.45.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/8/2026, 16:00:00	✓	×	Historical record
192.193.48.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/8/2026, 16:00:00	✓	×	Historical record
192.193.73.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/3/2026, 00:00:00	10/8/2026, 16:00:00	✓	×	Historical record
192.193.76.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/8/2026, 16:00:00	✓	×	Historical record

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Citigroup Inc.
RIR: APNIC
Registration country: United States
Registration date: 2/12/2025, 03:03:06
Abuse contact: ipbillingservices@citi.com

Snapshot trend

10/9/2026, 02:32:176 v40 v63 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn