Report for 399937

Name

UCMCLOUD - Cisco Webex 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.

399937 UCMCLOUD, US

  Adjacency:     5  Upstream:     5  Downstream:     0
  Upstream Adjacent AS list
    AS1221          ASN-TELSTRA Telstra Limited, AU
    AS4637          ASN-TELSTRA-GLOBAL Telstra Global, HK
    AS7474          OPTUSCOM-AS01-AU SingTel Optus Pty Ltd, AU
    AS3356          LEVEL3, US
    AS13445         13445, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
19683 AS399937       ORIGIN  Originate:       3328 /20.30  Transit:          0 /0.00  UCMCLOUD, 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       %
 9734 AS399937      UCMCLOUD, US                                      13      8      3      8      5  38.46%


  Prefix               AS Path                              Aggregation Suggestion
  8.38.216.0/24        57866 3356 399937      
  139.177.84.0/24      57866 5511 39386 39386 39386 39386 13445 399937   
  139.177.85.0/24      3303 48237 13445 399937   
  139.177.86.0/24      3257 13445 399937      
  139.177.87.0/24      57866 3356 399937      
  139.177.88.0/22      57866 3356 399937    + Announce - aggregate of 139.177.88.0/23 (57866 3356 399937) and 139.177.90.0/23 (57866 3356 399937)
  139.177.88.0/24      57866 3356 399937    - Withdrawn - aggregated with 139.177.89.0/24 (57866 3356 399937)
  139.177.89.0/24      57866 3356 399937    - Withdrawn - aggregated with 139.177.88.0/24 (57866 3356 399937)
  139.177.90.0/24      57866 3356 399937    - Withdrawn - aggregated with 139.177.91.0/24 (57866 3356 399937)
  139.177.91.0/24      57866 3356 399937    - Withdrawn - aggregated with 139.177.90.0/24 (57866 3356 399937)
  139.177.92.0/23      6939 4637 1221 399937 + Announce - aggregate of 139.177.92.0/24 (6939 4637 1221 399937) and 139.177.93.0/24 (6939 4637 1221 399937)
  139.177.92.0/24      6939 4637 1221 399937 - Withdrawn - aggregated with 139.177.93.0/24 (6939 4637 1221 399937)
  139.177.93.0/24      6939 4637 1221 399937 - Withdrawn - aggregated with 139.177.92.0/24 (6939 4637 1221 399937)
  158.222.48.0/23      57866 3356 399937    + Announce - aggregate of 158.222.48.0/24 (57866 3356 399937) and 158.222.49.0/24 (57866 3356 399937)
  158.222.48.0/24      57866 3356 399937    - Withdrawn - aggregated with 158.222.49.0/24 (57866 3356 399937)
  158.222.49.0/24      57866 3356 399937    - Withdrawn - aggregated with 158.222.48.0/24 (57866 3356 399937)

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

AS399937   7 More Specifics   7 Total Advertisements   UCMCLOUD, US
    8.38.216.0/24                 8.32.0.0/11
    139.177.88.0/24               139.177.64.0/19
    139.177.89.0/24               139.177.64.0/19
    139.177.90.0/24               139.177.64.0/19
    139.177.91.0/24               139.177.64.0/19
    139.177.92.0/24               139.177.64.0/19
    139.177.93.0/24               139.177.64.0/19

Whois Entry

whois: 402603

IANA has recorded AS399937 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS399937\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:       399937
             ASName:         UCMCLOUD
             ASHandle:       AS399937
             RegDate:        2021-08-10
             Updated:        2021-08-10
             Ref:            https://rdap.arin.net/registry/autnum/399937
             
             
             
             OrgName:        Cisco Webex LLC
             OrgId:          WEX
             Address:        170 W. Tasman Drive
             City:           San Jose
             StateProv:      CA
             PostalCode:     95134
             Country:        US
             RegDate:        2001-02-23
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/WEX
             
             
             OrgAbuseHandle: NO86-ARIN
             OrgAbuseName:   Network Operations Center
             OrgAbusePhone:  +1-855-722-7227 
             OrgAbuseEmail:  csg-network@cisco.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NO86-ARIN
             
             OrgNOCHandle: NO86-ARIN
             OrgNOCName:   Network Operations Center
             OrgNOCPhone:  +1-855-722-7227 
             OrgNOCEmail:  csg-network@cisco.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NO86-ARIN
             
             OrgTechHandle: NO86-ARIN
             OrgTechName:   Network Operations Center
             OrgTechPhone:  +1-855-722-7227 
             OrgTechEmail:  csg-network@cisco.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NO86-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.
             #