Report for 2912

Name

CITI5 - Citigroup Inc., US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

2912 CITI5 - Citigroup Inc., US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6453          AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US
    AS7473          SINGTEL-AS-AP - Singapore Telecommunications Ltd, SG

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18469 AS2912         ORIGIN  Originate:       3584 /20.19  Transit:          0 /0.00  CITI5 - Citigroup Inc., US

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
 8201 AS2912        CITI5 - Citigroup Inc., US                        14      8      3      9      5  35.71%


  Prefix               AS Path                              Aggregation Suggestion
  192.193.64.0/24      4777 2497 6453 2912    
  192.193.66.0/24      4777 2497 7473 2912    
  192.193.67.0/24      4777 2497 6453 2912    
  192.193.70.0/23      4777 2497 6453 2912  + Announce - aggregate of 192.193.70.0/24 (4777 2497 6453 2912) and 192.193.71.0/24 (4777 2497 6453 2912)
  192.193.70.0/24      4777 2497 6453 2912  - Withdrawn - aggregated with 192.193.71.0/24 (4777 2497 6453 2912)
  192.193.71.0/24      4777 2497 6453 2912  - Withdrawn - aggregated with 192.193.70.0/24 (4777 2497 6453 2912)
  192.193.72.0/24      4777 2497 7473 2912    
  192.193.149.0/24     4777 2497 6453 2912    
  192.193.156.0/23     4777 2497 6453 2912  + Announce - aggregate of 192.193.156.0/24 (4777 2497 6453 2912) and 192.193.157.0/24 (4777 2497 6453 2912)
  192.193.156.0/24     4777 2497 6453 2912  - Withdrawn - aggregated with 192.193.157.0/24 (4777 2497 6453 2912)
  192.193.157.0/24     4777 2497 6453 2912  - Withdrawn - aggregated with 192.193.156.0/24 (4777 2497 6453 2912)
  192.193.160.0/22     4777 2497 6453 2912  + Announce - aggregate of 192.193.160.0/23 (4777 2497 6453 2912) and 192.193.162.0/23 (4777 2497 6453 2912)
  192.193.160.0/24     4777 2497 6453 2912  - Withdrawn - aggregated with 192.193.161.0/24 (4777 2497 6453 2912)
  192.193.161.0/24     4777 2497 6453 2912  - Withdrawn - aggregated with 192.193.160.0/24 (4777 2497 6453 2912)
  192.193.162.0/24     4777 2497 6453 2912  - Withdrawn - aggregated with 192.193.163.0/24 (4777 2497 6453 2912)
  192.193.163.0/24     4777 2497 6453 2912  - Withdrawn - aggregated with 192.193.162.0/24 (4777 2497 6453 2912)
  192.193.191.0/24     4777 2497 6453 2912    

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS2912   14 More Specifics   14 Total Advertisements   CITI5 - Citigroup Inc., US
    192.193.64.0/24               192.193.0.0/16
    192.193.66.0/24               192.193.0.0/16
    192.193.67.0/24               192.193.0.0/16
    192.193.70.0/24               192.193.0.0/16
    192.193.71.0/24               192.193.0.0/16
    192.193.72.0/24               192.193.0.0/16
    192.193.149.0/24              192.193.0.0/16
    192.193.156.0/24              192.193.0.0/16
    192.193.157.0/24              192.193.0.0/16
    192.193.160.0/24              192.193.0.0/16
    192.193.161.0/24              192.193.0.0/16
    192.193.162.0/24              192.193.0.0/16
    192.193.163.0/24              192.193.0.0/16
    192.193.191.0/24              192.193.0.0/16

Whois Entry

whois: 402591

IANA has recorded AS2912 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS2912\n             
             #
             # 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.
             #
             
             
             ASNumber:       2912
             ASName:         CITI5
             ASHandle:       AS2912
             RegDate:        1993-09-10
             Updated:        2023-07-10
             Ref:            https://rdap.arin.net/registry/autnum/2912
             
             
             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:  +48221282342 
             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
             
             
             #
             # 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.
             #