Report for 9

Name

CMU-ROUTER - Carnegie Mellon University, 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.

9 CMU-ROUTER - Carnegie Mellon University, US

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS5050          PSC-EXT - Pittsburgh Supercomputing Center, US
    AS2153          CENIC-2153 - CENIC, US
    AS399855        KEYSTONEREN - Keystone REN, LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1814  AS9            ORIGIN  Originate:     133632 /14.97  Transit:          0 /0.00  CMU-ROUTER - Carnegie Mellon University, 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       %
30607 AS9           CMU-ROUTER - Carnegie Mellon University, US        8      0      0      8      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  128.2.0.0/16         4777 2497 11164 399855 9   
  128.237.0.0/16       4777 2497 11164 399855 9   
  192.5.146.0/24       4777 2497 11164 399855 9   
  192.12.32.0/24       4777 2497 11164 399855 9   
  192.58.107.0/24      4777 2497 11164 399855 9   
  192.80.210.0/24      4777 2497 11164 399855 9   
  204.194.28.0/22      4777 2497 11164 399855 9   
  209.129.244.0/23     4608 7575 2153 9       

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

AS9   1 More Specifics   8 Total Advertisements   CMU-ROUTER - Carnegie Mellon University, US
    209.129.244.0/23              209.129.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS9 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS9\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:       9
             ASName:         CMU-ROUTER
             ASHandle:       AS9
             RegDate:        1984-04-17
             Updated:        2012-04-02
             Ref:            https://rdap.arin.net/registry/autnum/9
             
             
             OrgName:        Carnegie Mellon University
             OrgId:          CARNEG-Z
             Address:        Cyert Hall 215
             Address:        5000 Forbes Avenue
             City:           Pittsburgh
             StateProv:      PA
             PostalCode:     15213
             Country:        US
             RegDate:        2009-12-01
             Updated:        2020-03-27
             Ref:            https://rdap.arin.net/registry/entity/CARNEG-Z
             
             
             OrgNOCHandle: CH4-ORG-ARIN
             OrgNOCName:   Carnegie Mellon Hostmaster
             OrgNOCPhone:  +1-412-268-4357 
             OrgNOCEmail:  host-master@andrew.cmu.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/CH4-ORG-ARIN
             
             OrgTechHandle: CH4-ORG-ARIN
             OrgTechName:   Carnegie Mellon Hostmaster
             OrgTechPhone:  +1-412-268-4357 
             OrgTechEmail:  host-master@andrew.cmu.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/CH4-ORG-ARIN
             
             OrgAbuseHandle: CMA3-ARIN
             OrgAbuseName:   Carnegie Mellon Abuse
             OrgAbusePhone:  +1-412-268-4357 
             OrgAbuseEmail:  abuse@andrew.cmu.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CMA3-ARIN
             
             RTechHandle: CH4-ORG-ARIN
             RTechName:   Carnegie Mellon Hostmaster
             RTechPhone:  +1-412-268-4357 
             RTechEmail:  host-master@andrew.cmu.edu
             RTechRef:    https://rdap.arin.net/registry/entity/CH4-ORG-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.
             #