Report for 12173

Name

UA - The University of Alabama, 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.

12173 UA - The University of Alabama, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS10490         SOUTHERN-CROSSROADS-SOX - Georgia Institute of Technology, US
    AS174           COGENT-174 - Cogent Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
3665  AS12173        ORIGIN  Originate:      65536 /16.00  Transit:          0 /0.00  UA - The University of Alabama, 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       %
 8253 AS12173       UA - The University of Alabama, US                 6      6      1      1      5  83.33%


  Prefix               AS Path                              Aggregation Suggestion
  130.160.0.0/16       4777 2497 174 12173  + Announce - aggregate of 130.160.0.0/17 (4777 2497 174 12173) and 130.160.128.0/17 (4777 2497 174 12173)
  130.160.0.0/17       4777 2497 174 12173  - Withdrawn - aggregated with 130.160.128.0/17 (4777 2497 174 12173)
  130.160.128.0/20     4777 2497 174 12173  - Withdrawn - aggregated with 130.160.144.0/20 (4777 2497 174 12173)
  130.160.144.0/20     4777 2497 174 12173  - Withdrawn - aggregated with 130.160.128.0/20 (4777 2497 174 12173)
  130.160.160.0/19     4777 2497 174 12173  - Withdrawn - aggregated with 130.160.128.0/19 (4777 2497 174 12173)
  130.160.192.0/19     4777 2497 174 12173  - Withdrawn - aggregated with 130.160.224.0/19 (4777 2497 174 12173)
  130.160.224.0/19     4777 2497 174 12173  - Withdrawn - aggregated with 130.160.192.0/19 (4777 2497 174 12173)

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

AS12173   6 More Specifics   6 Total Advertisements   UA - The University of Alabama, US
    130.160.0.0/17                130.160.0.0/16
    130.160.128.0/20              130.160.0.0/16
    130.160.144.0/20              130.160.0.0/16
    130.160.160.0/19              130.160.0.0/16
    130.160.192.0/19              130.160.0.0/16
    130.160.224.0/19              130.160.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS12173 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS12173\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:       12173
             ASName:         UA
             ASHandle:       AS12173
             RegDate:        1999-04-12
             Updated:        2018-08-31
             Ref:            https://rdap.arin.net/registry/autnum/12173
             
             
             OrgName:        The University of Alabama
             OrgId:          THEUNI-36
             Address:        A301 Gordon Palmer Hall
             Address:        Box 870346
             City:           Tuscaloosa
             StateProv:      AL
             PostalCode:     35487-0346
             Country:        US
             RegDate:        1999-04-12
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/THEUNI-36
             
             
             OrgTechHandle: MDR83-ARIN
             OrgTechName:   Russo, Marc D
             OrgTechPhone:  +1-205-348-1652 
             OrgTechEmail:  mrusso@ua.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/MDR83-ARIN
             
             OrgTechHandle: SME108-ARIN
             OrgTechName:   Merritt, Shane 
             OrgTechPhone:  +1-205-393-3333 
             OrgTechEmail:  smerritt@ua.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/SME108-ARIN
             
             OrgAbuseHandle: SECUR132-ARIN
             OrgAbuseName:   Security Administrator
             OrgAbusePhone:  +1-205-348-5555 
             OrgAbuseEmail:  abuse@ua.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SECUR132-ARIN
             
             OrgTechHandle: SHELT173-ARIN
             OrgTechName:   Shelton, Mike 
             OrgTechPhone:  +1-205-348-2156 
             OrgTechEmail:  mike.shelton@ua.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/SHELT173-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.
             #