Report for 11281

Name

ROBLOX-CORPORATE - Roblox, 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.

11281 ROBLOX-CORPORATE - Roblox, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS22697         ROBLOX-PRODUCTION - Roblox, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
23023 AS11281        ORIGIN  Originate:       2304 /20.83  Transit:          0 /0.00  ROBLOX-CORPORATE - Roblox, 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       %
31990 AS11281       ROBLOX-CORPORATE - Roblox, US                      9      0      0      9      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  23.173.192.0/24      4608 7575 22697 11281   
  204.9.184.0/24       4777 2497 3356 11281   
  204.13.168.0/24      4608 7575 22697 11281   
  204.13.169.0/24      4608 7575 2914 22697 11281   
  204.13.170.0/24      4608 7575 2914 22697 11281   
  204.13.171.0/24      4608 7575 22697 11281   
  204.13.172.0/24      4608 7575 2914 22697 11281   
  204.13.173.0/24      4777 2516 2914 22697 11281   
  204.13.174.0/24      4608 7575 22697 11281   

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

AS11281   8 More Specifics   9 Total Advertisements   ROBLOX-CORPORATE - Roblox, US
    204.9.184.0/24                204.9.184.0/23
    204.13.168.0/24               204.13.168.0/21
    204.13.169.0/24               204.13.168.0/21
    204.13.170.0/24               204.13.168.0/21
    204.13.171.0/24               204.13.168.0/21
    204.13.172.0/24               204.13.168.0/21
    204.13.173.0/24               204.13.168.0/21
    204.13.174.0/24               204.13.168.0/21

Whois Entry

whois: 402332

IANA has recorded AS11281 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11281\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:       11281
             ASName:         ROBLOX-CORPORATE
             ASHandle:       AS11281
             RegDate:        2017-10-18
             Updated:        2017-10-27
             Ref:            https://rdap.arin.net/registry/autnum/11281
             
             
             OrgName:        Roblox
             OrgId:          RC-376
             Address:        One Franklin Parkway, Building 910
             City:           San Mateo
             StateProv:      CA
             PostalCode:     94403
             Country:        US
             RegDate:        2014-11-21
             Updated:        2025-05-19
             Ref:            https://rdap.arin.net/registry/entity/RC-376
             
             
             OrgTechHandle: OPERA503-ARIN
             OrgTechName:   OPERATIONS
             OrgTechPhone:  +1-415-655-1982 
             OrgTechEmail:  noc@roblox.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/OPERA503-ARIN
             
             OrgNOCHandle: OPERA503-ARIN
             OrgNOCName:   OPERATIONS
             OrgNOCPhone:  +1-415-655-1982 
             OrgNOCEmail:  noc@roblox.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/OPERA503-ARIN
             
             OrgAbuseHandle: ABUSE9307-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-415-655-1982 
             OrgAbuseEmail:  network-abuse@roblox.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE9307-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.
             #