Report for 21858

Name

ASCENT-DATA-LLC - Ascent Data, LLC, 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 AS6447) 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.

21858 ASCENT-DATA-LLC, US

  Adjacency:     4  Upstream:     3  Downstream:     1
  Upstream Adjacent AS list
    AS11924         MONTANA-OPTICOM, US
    AS46887         CROWNCASTLE-AS46887, US
    AS6461          ZAYO-6461, US
  Downstream Adjacent AS list
    AS11924         MONTANA-OPTICOM, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18713 AS21858        ORG+TRN Originate:       3584 /20.19  Transit:        256 /24.00 ASCENT-DATA-LLC, 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       %
 8647 AS21858       ASCENT-DATA-LLC, US                                6      5      0      1      5  83.33%


  Prefix               AS Path                              Aggregation Suggestion
  208.70.64.0/21       6939 6461 21858        
  208.70.64.0/23       6939 6461 21858      - Withdrawn - matching aggregate 208.70.64.0/21 6939 6461 21858
  208.70.64.0/24       6939 6461 21858      - Withdrawn - matching aggregate 208.70.64.0/21 6939 6461 21858
  208.70.66.0/24       6939 6461 21858      - Withdrawn - matching aggregate 208.70.64.0/21 6939 6461 21858
  208.70.68.0/24       6939 6461 21858      - Withdrawn - matching aggregate 208.70.64.0/21 6939 6461 21858
  208.70.71.0/24       6939 6461 21858      - Withdrawn - matching aggregate 208.70.64.0/21 6939 6461 21858

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

AS21858   5 More Specifics   6 Total Advertisements   ASCENT-DATA-LLC, US
    208.70.64.0/23                208.70.64.0/21
    208.70.66.0/24                208.70.64.0/21
    208.70.67.0/24                208.70.64.0/21
    208.70.68.0/24                208.70.64.0/21
    208.70.71.0/24                208.70.64.0/21

Whois Entry

whois: 402603

IANA has recorded AS21858 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21858\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:       21858
             ASName:         ASCENT-DATA-LLC
             ASHandle:       AS21858
             RegDate:        2001-06-29
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/21858
             
             
             OrgName:        Ascent Data, LLC
             OrgId:          ASCEN-37
             Address:        90 Beta Drive
             City:           Pittsburgh
             StateProv:      PA
             PostalCode:     15238
             Country:        US
             RegDate:        2009-06-29
             Updated:        2017-09-06
             Ref:            https://rdap.arin.net/registry/entity/ASCEN-37
             
             
             OrgNOCHandle: RESPO1-ARIN
             OrgNOCName:   Response Center
             OrgNOCPhone:  +1-412-968-4030 
             OrgNOCEmail:  support@ascentdata.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/RESPO1-ARIN
             
             OrgAbuseHandle: RESPO1-ARIN
             OrgAbuseName:   Response Center
             OrgAbusePhone:  +1-412-968-4030 
             OrgAbuseEmail:  support@ascentdata.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/RESPO1-ARIN
             
             OrgTechHandle: ADTC-ARIN
             OrgTechName:   Ascent Data Technical Contact
             OrgTechPhone:  +1-412-968-4000 
             OrgTechEmail:  gjabra@ascentdata.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ADTC-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.
             #