Report for 4996

Name

SBI - 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.

4996 SBI - Citigroup Inc., US

  Adjacency:     2  Upstream:     1  Downstream:     1
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
  Downstream Adjacent AS list
    AS35967         LAVATRADING-CITI01 - Citigroup Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
14977 AS4996         ORG+TRN Originate:       5120 /19.68  Transit:       1280 /21.68 SBI - 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       %
 9745 AS4996        SBI - Citigroup Inc., US                          20      8      4     16      4  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  192.193.12.0/24      4777 2516 3356 4996    
  192.193.37.0/24      4777 2497 3356 4996    
  192.193.46.0/24      4777 2516 3356 4996    
  192.193.49.0/24      4777 2516 3356 4996    
  192.193.68.0/24      4777 2497 3356 4996    
  192.193.158.0/24     4777 2516 3356 4996    
  192.193.197.0/24     4777 2516 3356 4996    
  192.193.231.0/24     4777 2497 3356 4996    
  199.67.129.0/24      4777 2497 3356 4996    
  199.67.133.0/24      4777 2497 3356 4996    
  199.67.134.0/24      4777 2516 3356 4996    
  199.67.136.0/24      4777 2516 3356 4996    
  199.67.138.0/23      4777 2497 3356 4996  + Announce - aggregate of 199.67.138.0/24 (4777 2497 3356 4996) and 199.67.139.0/24 (4777 2497 3356 4996)
  199.67.138.0/24      4777 2497 3356 4996  - Withdrawn - aggregated with 199.67.139.0/24 (4777 2497 3356 4996)
  199.67.139.0/24      4777 2497 3356 4996  - Withdrawn - aggregated with 199.67.138.0/24 (4777 2497 3356 4996)
  199.67.140.0/23      4777 2516 3356 4996  + Announce - aggregate of 199.67.140.0/24 (4777 2516 3356 4996) and 199.67.141.0/24 (4777 2516 3356 4996)
  199.67.140.0/24      4777 2516 3356 4996  - Withdrawn - aggregated with 199.67.141.0/24 (4777 2516 3356 4996)
  199.67.141.0/24      4777 2516 3356 4996  - Withdrawn - aggregated with 199.67.140.0/24 (4777 2516 3356 4996)
  199.67.182.0/23      4777 2497 3356 4996  + Announce - aggregate of 199.67.182.0/24 (4777 2497 3356 4996) and 199.67.183.0/24 (4777 2497 3356 4996)
  199.67.182.0/24      4777 2497 3356 4996  - Withdrawn - aggregated with 199.67.183.0/24 (4777 2497 3356 4996)
  199.67.183.0/24      4777 2497 3356 4996  - Withdrawn - aggregated with 199.67.182.0/24 (4777 2497 3356 4996)
  199.67.184.0/23      4777 2516 3356 4996  + Announce - aggregate of 199.67.184.0/24 (4777 2516 3356 4996) and 199.67.185.0/24 (4777 2516 3356 4996)
  199.67.184.0/24      4777 2516 3356 4996  - Withdrawn - aggregated with 199.67.185.0/24 (4777 2516 3356 4996)
  199.67.185.0/24      4777 2516 3356 4996  - Withdrawn - aggregated with 199.67.184.0/24 (4777 2516 3356 4996)

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

AS4996   20 More Specifics   20 Total Advertisements   SBI - Citigroup Inc., US
    192.193.12.0/24               192.193.0.0/16
    192.193.37.0/24               192.193.0.0/16
    192.193.46.0/24               192.193.0.0/16
    192.193.49.0/24               192.193.0.0/16
    192.193.68.0/24               192.193.0.0/16
    192.193.158.0/24              192.193.0.0/16
    192.193.197.0/24              192.193.0.0/16
    192.193.231.0/24              192.193.0.0/16
    199.67.129.0/24               199.67.128.0/18
    199.67.133.0/24               199.67.128.0/18
    199.67.134.0/24               199.67.128.0/18
    199.67.136.0/24               199.67.128.0/18
    199.67.138.0/24               199.67.128.0/18
    199.67.139.0/24               199.67.128.0/18
    199.67.140.0/24               199.67.128.0/18
    199.67.141.0/24               199.67.128.0/18
    199.67.182.0/24               199.67.128.0/18
    199.67.183.0/24               199.67.128.0/18
    199.67.184.0/24               199.67.128.0/18
    199.67.185.0/24               199.67.128.0/18

Whois Entry

whois: 402332

IANA has recorded AS4996 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS4996\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:       4996
             ASName:         SBI
             ASHandle:       AS4996
             RegDate:        1995-05-31
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/4996
             
             
             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: EATON72-ARIN
             OrgTechName:   Eaton, Melissa 
             OrgTechPhone:  +1-855-384-4622 
             OrgTechEmail:  ipbillingservices@citi.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/EATON72-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: 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: 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
             
             
             #
             # 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.
             #