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 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.

399937 UCMCLOUD - Cisco Webex LLC, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS13445         WEBEX - Cisco Webex LLC, US
    AS1221          ASN-TELSTRA Telstra Limited, AU

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
19600 AS399937       ORIGIN  Originate:       3328 /20.30  Transit:          0 /0.00  UCMCLOUD - Cisco Webex 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       %
 8354 AS399937      UCMCLOUD - Cisco Webex LLC, US                    13     10      4      7      6  46.15%


  Prefix               AS Path                              Aggregation Suggestion
  8.38.216.0/24        4777 2497 3356 399937   
  139.177.84.0/23      4777 2497 5511 39386 39386 39386 39386 39386 39386 13445 399937 + Announce - aggregate of 139.177.84.0/24 (4777 2497 5511 39386 39386 39386 39386 39386 39386 13445 399937) and 139.177.85.0/24 (4777 2497 5511 39386 39386 39386 39386 39386 39386 13445 399937)
  139.177.84.0/24      4777 2497 5511 39386 39386 39386 39386 39386 39386 13445 399937 - Withdrawn - aggregated with 139.177.85.0/24 (4777 2497 5511 39386 39386 39386 39386 39386 39386 13445 399937)
  139.177.85.0/24      4777 2497 5511 39386 39386 39386 39386 39386 39386 13445 399937 - Withdrawn - aggregated with 139.177.84.0/24 (4777 2497 5511 39386 39386 39386 39386 39386 39386 13445 399937)
  139.177.86.0/24      4777 2497 1299 13445 399937   
  139.177.87.0/24      4777 2497 3356 399937   
  139.177.88.0/22      4777 2497 3356 399937 + Announce - aggregate of 139.177.88.0/23 (4777 2497 3356 399937) and 139.177.90.0/23 (4777 2497 3356 399937)
  139.177.88.0/24      4777 2497 3356 399937 - Withdrawn - aggregated with 139.177.89.0/24 (4777 2497 3356 399937)
  139.177.89.0/24      4777 2497 3356 399937 - Withdrawn - aggregated with 139.177.88.0/24 (4777 2497 3356 399937)
  139.177.90.0/24      4777 2497 3356 399937 - Withdrawn - aggregated with 139.177.91.0/24 (4777 2497 3356 399937)
  139.177.91.0/24      4777 2497 3356 399937 - Withdrawn - aggregated with 139.177.90.0/24 (4777 2497 3356 399937)
  139.177.92.0/23      4608 1221 399937     + Announce - aggregate of 139.177.92.0/24 (4608 1221 399937) and 139.177.93.0/24 (4608 1221 399937)
  139.177.92.0/24      4608 1221 399937     - Withdrawn - aggregated with 139.177.93.0/24 (4608 1221 399937)
  139.177.93.0/24      4608 1221 399937     - Withdrawn - aggregated with 139.177.92.0/24 (4608 1221 399937)
  158.222.48.0/23      4777 2497 3356 399937 + Announce - aggregate of 158.222.48.0/24 (4777 2497 3356 399937) and 158.222.49.0/24 (4777 2497 3356 399937)
  158.222.48.0/24      4777 2497 3356 399937 - Withdrawn - aggregated with 158.222.49.0/24 (4777 2497 3356 399937)
  158.222.49.0/24      4777 2497 3356 399937 - Withdrawn - aggregated with 158.222.48.0/24 (4777 2497 3356 399937)

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

AS399937   13 More Specifics   13 Total Advertisements   UCMCLOUD - Cisco Webex LLC, US
    8.38.216.0/24                 8.32.0.0/11
    139.177.84.0/24               139.177.64.0/19
    139.177.85.0/24               139.177.64.0/19
    139.177.86.0/24               139.177.64.0/19
    139.177.87.0/24               139.177.64.0/19
    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
    158.222.48.0/24               158.222.48.0/20
    158.222.49.0/24               158.222.48.0/20

Whois Entry

whois: 402332

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
             
             
             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
             
             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
             
             
             #
             # 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.
             #