Report for 29899

Name

GEISINGER - Geisinger System Services, 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.

29899 GEISINGER - Geisinger System Services, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
3508  AS29899        ORIGIN  Originate:      65792 /15.99  Transit:          0 /0.00  GEISINGER - Geisinger System Services, 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       %
22202 AS29899       GEISINGER - Geisinger System Services, US          2      1      0      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  159.240.0.0/16       4777 2497 3356 29899 29899 29899 29899 29899 29899 29899 29899 29899 29899   
  159.240.131.0/24     4777 2497 3356 29899 29899 29899 29899 29899 29899 29899 29899 29899 29899 - Withdrawn - matching aggregate 159.240.0.0/16 4777 2497 3356 29899 29899 29899 29899 29899 29899 29899 29899 29899 29899

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

AS29899   1 More Specifics   2 Total Advertisements   GEISINGER - Geisinger System Services, US
    159.240.131.0/24              159.240.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS29899 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS29899\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:       29899
             ASName:         GEISINGER
             ASHandle:       AS29899
             RegDate:        2003-06-03
             Updated:        2012-03-20
             Ref:            https://rdap.arin.net/registry/autnum/29899
             
             
             OrgName:        Geisinger System Services
             OrgId:          GMC-5
             Address:        Geisinger System Services 100 North Academy Avenue
             City:           Danville
             StateProv:      PA
             PostalCode:     17822
             Country:        US
             RegDate:        1992-04-28
             Updated:        2017-03-22
             Ref:            https://rdap.arin.net/registry/entity/GMC-5
             
             
             OrgAbuseHandle: DNSAD306-ARIN
             OrgAbuseName:   DNS Administrator
             OrgAbusePhone:  +1-570-271-6818 
             OrgAbuseEmail:  nianetworkinfraarchitects@geisinger.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DNSAD306-ARIN
             
             OrgTechHandle: DNSAD306-ARIN
             OrgTechName:   DNS Administrator
             OrgTechPhone:  +1-570-271-6818 
             OrgTechEmail:  nianetworkinfraarchitects@geisinger.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/DNSAD306-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.
             #