Report for 3081

Name

CITI15 - 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.

3081 CITI15 - Citigroup Inc., US

  Adjacency:     2  Upstream:     1  Downstream:     1
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
  Downstream Adjacent AS list
    AS33463         CITIGROUP-GLOBAL-ANYCAST-DNS - Citigroup Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
15494 AS3081         ORG+TRN Originate:       4864 /19.75  Transit:        256 /24.00 CITI15 - 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       %
12074 AS3081        CITI15 - Citigroup Inc., US                       19      6      3     16      3  15.79%


  Prefix               AS Path                              Aggregation Suggestion
  192.193.18.0/24      4777 2497 3356 3081    
  192.193.20.0/23      4777 2497 3356 3081  + Announce - aggregate of 192.193.20.0/24 (4777 2497 3356 3081) and 192.193.21.0/24 (4777 2497 3356 3081)
  192.193.20.0/24      4777 2497 3356 3081  - Withdrawn - aggregated with 192.193.21.0/24 (4777 2497 3356 3081)
  192.193.21.0/24      4777 2497 3356 3081  - Withdrawn - aggregated with 192.193.20.0/24 (4777 2497 3356 3081)
  192.193.22.0/24      4777 2497 3356 3081    
  192.193.25.0/24      4777 2497 3356 3081    
  192.193.34.0/23      4777 2497 3356 3081  + Announce - aggregate of 192.193.34.0/24 (4777 2497 3356 3081) and 192.193.35.0/24 (4777 2497 3356 3081)
  192.193.34.0/24      4777 2497 3356 3081  - Withdrawn - aggregated with 192.193.35.0/24 (4777 2497 3356 3081)
  192.193.35.0/24      4777 2497 3356 3081  - Withdrawn - aggregated with 192.193.34.0/24 (4777 2497 3356 3081)
  192.193.36.0/24      4777 2497 3356 3081    
  192.193.38.0/24      4777 2497 3356 3081    
  192.193.56.0/24      4777 2497 3356 3081    
  192.193.120.0/24     4777 2497 3356 3081    
  192.193.172.0/23     4777 2497 3356 3081  + Announce - aggregate of 192.193.172.0/24 (4777 2497 3356 3081) and 192.193.173.0/24 (4777 2497 3356 3081)
  192.193.172.0/24     4777 2497 3356 3081  - Withdrawn - aggregated with 192.193.173.0/24 (4777 2497 3356 3081)
  192.193.173.0/24     4777 2497 3356 3081  - Withdrawn - aggregated with 192.193.172.0/24 (4777 2497 3356 3081)
  192.193.174.0/24     4777 2497 3356 3081    
  192.193.176.0/24     4777 2497 3356 3081    
  192.193.193.0/24     4777 2497 3356 3081    
  192.193.213.0/24     4777 2497 3356 3081    
  199.67.131.0/24      4777 2497 3356 3081    
  199.67.137.0/24      4777 2497 3356 3081    

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

AS3081   19 More Specifics   19 Total Advertisements   CITI15 - Citigroup Inc., US
    192.193.18.0/24               192.193.0.0/16
    192.193.20.0/24               192.193.0.0/16
    192.193.21.0/24               192.193.0.0/16
    192.193.22.0/24               192.193.0.0/16
    192.193.25.0/24               192.193.0.0/16
    192.193.34.0/24               192.193.0.0/16
    192.193.35.0/24               192.193.0.0/16
    192.193.36.0/24               192.193.0.0/16
    192.193.38.0/24               192.193.0.0/16
    192.193.56.0/24               192.193.0.0/16
    192.193.120.0/24              192.193.0.0/16
    192.193.172.0/24              192.193.0.0/16
    192.193.173.0/24              192.193.0.0/16
    192.193.174.0/24              192.193.0.0/16
    192.193.176.0/24              192.193.0.0/16
    192.193.193.0/24              192.193.0.0/16
    192.193.213.0/24              192.193.0.0/16
    199.67.131.0/24               199.67.128.0/18
    199.67.137.0/24               199.67.128.0/18

Whois Entry

whois: 402332

IANA has recorded AS3081 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS3081\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:       3081
             ASName:         CITI15
             ASHandle:       AS3081
             RegDate:        1993-11-04
             Updated:        2023-07-10
             Ref:            https://rdap.arin.net/registry/autnum/3081
             
             
             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:  +48221282342 
             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.
             #