Report for 225

Name

VIRGINIA-AS - University of Virginia, 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.

225 VIRGINIA-AS - University of Virginia, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS40220         MARIA - Virginia Polytechnic Institute and State Univ., US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1125  AS225          ORIGIN  Originate:     239872 /14.13  Transit:          0 /0.00  VIRGINIA-AS - University of Virginia, 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       %
 4692 AS225         VIRGINIA-AS - University of Virginia, US          20     11      1     10     10  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  128.143.0.0/16       4777 2497 3356 225     
  137.54.0.0/16        4777 2497 3356 225     
  137.54.122.0/23      4608 7575 11537 40220 225   
  192.33.115.0/24      4777 2497 3356 225     
  192.33.117.0/24      4777 2497 3356 225     
  192.35.48.0/23       4777 2497 3356 225   + Announce - aggregate of 192.35.48.0/24 (4777 2497 3356 225) and 192.35.49.0/24 (4777 2497 3356 225)
  192.35.48.0/24       4777 2497 3356 225   - Withdrawn - aggregated with 192.35.49.0/24 (4777 2497 3356 225)
  192.35.49.0/24       4777 2497 3356 225   - Withdrawn - aggregated with 192.35.48.0/24 (4777 2497 3356 225)
  192.131.232.0/24     4777 2497 3356 225     
  198.51.208.0/24      4777 2497 3356 225     
  199.111.0.0/16       4777 2497 3356 225     
  199.111.0.0/24       4777 2497 3356 225   - Withdrawn - matching aggregate 199.111.0.0/16 4777 2497 3356 225
  199.111.1.0/24       4777 2497 3356 225   - Withdrawn - matching aggregate 199.111.0.0/16 4777 2497 3356 225
  199.111.2.0/23       4777 2497 3356 225   - Withdrawn - matching aggregate 199.111.0.0/16 4777 2497 3356 225
  199.111.18.0/24      4777 2497 174 40220 225   
  199.111.40.0/21      4777 2497 3356 225   - Withdrawn - matching aggregate 199.111.0.0/16 4777 2497 3356 225
  199.111.48.0/20      4777 2497 3356 225   - Withdrawn - matching aggregate 199.111.0.0/16 4777 2497 3356 225
  199.111.160.0/19     4777 2497 3356 225   - Withdrawn - matching aggregate 199.111.0.0/16 4777 2497 3356 225
  199.111.192.0/18     4777 2497 3356 225   - Withdrawn - matching aggregate 199.111.0.0/16 4777 2497 3356 225
  199.111.208.0/22     4777 2497 3356 225   - Withdrawn - matching aggregate 199.111.0.0/16 4777 2497 3356 225
  199.111.224.0/19     4777 2497 3356 225   - Withdrawn - matching aggregate 199.111.0.0/16 4777 2497 3356 225

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

AS225   11 More Specifics   20 Total Advertisements   VIRGINIA-AS - University of Virginia, US
    137.54.122.0/23               137.54.0.0/16
    199.111.0.0/24                199.111.0.0/16
    199.111.1.0/24                199.111.0.0/16
    199.111.2.0/23                199.111.0.0/16
    199.111.18.0/24               199.111.0.0/16
    199.111.40.0/21               199.111.0.0/16
    199.111.48.0/20               199.111.0.0/16
    199.111.160.0/19              199.111.0.0/16
    199.111.192.0/18              199.111.0.0/16
    199.111.208.0/22              199.111.0.0/16
    199.111.224.0/19              199.111.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS225 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS225\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:       225
             ASName:         VIRGINIA-AS
             ASHandle:       AS225
             RegDate:        1988-08-31
             Updated:        2013-04-22
             Ref:            https://rdap.arin.net/registry/autnum/225
             
             
             OrgName:        University of Virginia
             OrgId:          UVA
             Address:        University of Virginia, ITC
             Address:        P.O. Box 400324
             City:           Charlottesville
             StateProv:      VA
             PostalCode:     22904-4324
             Country:        US
             RegDate:        1987-12-14
             Updated:        2015-03-16
             Ref:            https://rdap.arin.net/registry/entity/UVA
             
             
             OrgTechHandle: ITS31-ARIN
             OrgTechName:   ITS
             OrgTechPhone:  +1-434-924-0632 
             OrgTechEmail:  networks@virginia.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/ITS31-ARIN
             
             OrgAbuseHandle: ABUSE124-ARIN
             OrgAbuseName:   Abuse Team
             OrgAbusePhone:  +1-434-243-8707 
             OrgAbuseEmail:  abuse@virginia.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE124-ARIN
             
             OrgNOCHandle: ITS31-ARIN
             OrgNOCName:   ITS
             OrgNOCPhone:  +1-434-924-0632 
             OrgNOCEmail:  networks@virginia.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ITS31-ARIN
             
             RAbuseHandle: ITS31-ARIN
             RAbuseName:   ITS
             RAbusePhone:  +1-434-924-0632 
             RAbuseEmail:  networks@virginia.edu
             RAbuseRef:    https://rdap.arin.net/registry/entity/ITS31-ARIN
             
             RTechHandle: ITS31-ARIN
             RTechName:   ITS
             RTechPhone:  +1-434-924-0632 
             RTechEmail:  networks@virginia.edu
             RTechRef:    https://rdap.arin.net/registry/entity/ITS31-ARIN
             
             RNOCHandle: ITS31-ARIN
             RNOCName:   ITS
             RNOCPhone:  +1-434-924-0632 
             RNOCEmail:  networks@virginia.edu
             RNOCRef:    https://rdap.arin.net/registry/entity/ITS31-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.
             #