Report for 395747

Name

CLOUDFLARENET-SFO05 - Cloudflare, Inc., 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.

395747 CLOUDFLARENET-SFO05 - Cloudflare, Inc., US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS13335         CLOUDFLARENET - Cloudflare, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
15787 AS395747       ORIGIN  Originate:       4864 /19.75  Transit:          0 /0.00  CLOUDFLARENET-SFO05 - Cloudflare, Inc., 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       %
30248 AS395747      CLOUDFLARENET-SFO05 - Cloudflare, Inc., US        19      2      1     18      1   5.26%


  Prefix               AS Path                              Aggregation Suggestion
  8.14.199.0/24        4777 2516 3356 13335 395747   
  8.17.207.0/24        4777 2516 174 13335 395747   
  8.21.12.0/24         4777 2497 174 13335 395747   
  8.39.207.0/24        4777 2497 174 13335 395747   
  8.48.131.0/24        4777 2516 3356 13335 395747   
  108.162.209.0/24     4777 2516 3356 13335 395747   
  162.158.57.0/24      4777 2497 3356 13335 395747   
  162.158.58.0/24      4777 2516 3356 13335 395747   
  162.158.64.0/24      4777 2516 3356 13335 395747   
  162.159.204.0/24     4777 2497 174 13335 395747   
  172.64.202.0/24      4777 2516 3356 13335 395747   
  172.68.136.0/24      4777 2516 3356 13335 395747   
  172.69.61.0/24       4777 2516 3356 13335 395747   
  172.70.95.0/24       4777 2516 3356 13335 395747   
  172.71.18.0/23       4777 2516 3356 13335 395747 + Announce - aggregate of 172.71.18.0/24 (4777 2516 3356 13335 395747) and 172.71.19.0/24 (4777 2516 3356 13335 395747)
  172.71.18.0/24       4777 2516 3356 13335 395747 - Withdrawn - aggregated with 172.71.19.0/24 (4777 2516 3356 13335 395747)
  172.71.19.0/24       4777 2516 3356 13335 395747 - Withdrawn - aggregated with 172.71.18.0/24 (4777 2516 3356 13335 395747)
  172.71.91.0/24       4777 2497 3356 13335 395747   
  172.71.136.0/24      4777 2516 3356 13335 395747   
  198.41.128.0/24      4777 2497 3356 395747   

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

AS395747   19 More Specifics   19 Total Advertisements   CLOUDFLARENET-SFO05 - Cloudflare, Inc., US
    8.14.199.0/24                 8.12.0.0/14
    8.17.207.0/24                 8.16.0.0/12
    8.21.12.0/24                  8.16.0.0/12
    8.39.207.0/24                 8.32.0.0/11
    8.48.131.0/24                 8.32.0.0/11
    108.162.209.0/24              108.162.192.0/18
    162.158.57.0/24               162.158.0.0/15
    162.158.58.0/24               162.158.0.0/15
    162.158.64.0/24               162.158.0.0/15
    162.159.204.0/24              162.158.0.0/15
    172.64.202.0/24               172.64.0.0/13
    172.68.136.0/24               172.64.0.0/13
    172.69.61.0/24                172.64.0.0/13
    172.70.95.0/24                172.64.0.0/13
    172.71.18.0/24                172.64.0.0/13
    172.71.19.0/24                172.64.0.0/13
    172.71.91.0/24                172.64.0.0/13
    172.71.136.0/24               172.64.0.0/13
    198.41.128.0/24               198.41.128.0/17

Whois Entry

whois: 402332

IANA has recorded AS395747 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS395747\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:       395747
             ASName:         CLOUDFLARENET-SFO05
             ASHandle:       AS395747
             RegDate:        2016-11-28
             Updated:        2017-02-17
             Comment:        All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
             Ref:            https://rdap.arin.net/registry/autnum/395747
             
             
             
             OrgName:        Cloudflare, Inc.
             OrgId:          CLOUD14
             Address:        101 Townsend Street
             City:           San Francisco
             StateProv:      CA
             PostalCode:     94107
             Country:        US
             RegDate:        2010-07-09
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/CLOUD14
             
             
             OrgAbuseHandle: ABUSE2916-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-650-319-8930 
             OrgAbuseEmail:  abuse@cloudflare.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2916-ARIN
             
             OrgRoutingHandle: CLOUD146-ARIN
             OrgRoutingName:   Cloudflare-NOC
             OrgRoutingPhone:  +1-650-319-8930 
             OrgRoutingEmail:  noc@cloudflare.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/CLOUD146-ARIN
             
             OrgNOCHandle: CLOUD146-ARIN
             OrgNOCName:   Cloudflare-NOC
             OrgNOCPhone:  +1-650-319-8930 
             OrgNOCEmail:  noc@cloudflare.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/CLOUD146-ARIN
             
             OrgTechHandle: ADMIN2521-ARIN
             OrgTechName:   Admin
             OrgTechPhone:  +1-650-319-8930 
             OrgTechEmail:  rir@cloudflare.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN2521-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.
             #