Report for 26211

Name

PROOFPOINT-ASN-US-WEST - Proofpoint, 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.

26211 PROOFPOINT-ASN-US-WEST - Proofpoint, Inc., US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS21949         BEANFIELD - Beanfield Technologies Inc., CA
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8706  AS26211        ORIGIN  Originate:      13568 /18.27  Transit:          0 /0.00  PROOFPOINT-ASN-US-WEST - Proofpoint, 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       %
 2427 AS26211       PROOFPOINT-ASN-US-WEST - Proofpoint, Inc., US     48     33     10     25     23  47.92%


  Prefix               AS Path                              Aggregation Suggestion
  66.159.227.0/24      4777 2516 3356 26211   
  66.159.240.0/23      4777 2516 3356 26211 + Announce - aggregate of 66.159.240.0/24 (4777 2516 3356 26211) and 66.159.241.0/24 (4777 2516 3356 26211)
  66.159.240.0/24      4777 2516 3356 26211 - Withdrawn - aggregated with 66.159.241.0/24 (4777 2516 3356 26211)
  66.159.241.0/24      4777 2516 3356 26211 - Withdrawn - aggregated with 66.159.240.0/24 (4777 2516 3356 26211)
  66.159.248.0/23      4777 2516 3356 26211   
  67.231.144.0/24      4777 2497 174 26211    
  67.231.145.0/24      4777 2516 3356 26211   
  67.231.146.0/23      4777 2516 3356 26211 + Announce - aggregate of 67.231.146.0/24 (4777 2516 3356 26211) and 67.231.147.0/24 (4777 2516 3356 26211)
  67.231.146.0/24      4777 2516 3356 26211 - Withdrawn - aggregated with 67.231.147.0/24 (4777 2516 3356 26211)
  67.231.147.0/24      4777 2516 3356 26211 - Withdrawn - aggregated with 67.231.146.0/24 (4777 2516 3356 26211)
  67.231.148.0/23      4777 2516 3356 26211 + Announce - aggregate of 67.231.148.0/24 (4777 2516 3356 26211) and 67.231.149.0/24 (4777 2516 3356 26211)
  67.231.148.0/24      4777 2516 3356 26211 - Withdrawn - aggregated with 67.231.149.0/24 (4777 2516 3356 26211)
  67.231.149.0/24      4777 2516 3356 26211 - Withdrawn - aggregated with 67.231.148.0/24 (4777 2516 3356 26211)
  67.231.150.0/23      4777 2497 174 26211  + Announce - aggregate of 67.231.150.0/24 (4777 2497 174 26211) and 67.231.151.0/24 (4777 2497 174 26211)
  67.231.150.0/24      4777 2497 174 26211  - Withdrawn - aggregated with 67.231.151.0/24 (4777 2497 174 26211)
  67.231.151.0/24      4777 2497 174 26211  - Withdrawn - aggregated with 67.231.150.0/24 (4777 2497 174 26211)
  67.231.158.0/23      4777 2516 3356 26211 + Announce - aggregate of 67.231.158.0/24 (4777 2516 3356 26211) and 67.231.159.0/24 (4777 2516 3356 26211)
  67.231.158.0/24      4777 2516 3356 26211 - Withdrawn - aggregated with 67.231.159.0/24 (4777 2516 3356 26211)
  67.231.159.0/24      4777 2516 3356 26211 - Withdrawn - aggregated with 67.231.158.0/24 (4777 2516 3356 26211)
  148.163.132.0/23     4777 2516 3356 26211 + Announce - aggregate of 148.163.132.0/24 (4777 2516 3356 26211) and 148.163.133.0/24 (4777 2516 3356 26211)
  148.163.132.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 148.163.133.0/24 (4777 2516 3356 26211)
  148.163.133.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 148.163.132.0/24 (4777 2516 3356 26211)
  148.163.134.0/24     4777 2516 3356 26211   
  148.163.135.0/24     4777 2516 174 26211    
  148.163.144.0/21     4777 2516 3356 26211 + Announce - aggregate of 148.163.144.0/22 (4777 2516 3356 26211) and 148.163.148.0/22 (4777 2516 3356 26211)
  148.163.144.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 148.163.145.0/24 (4777 2516 3356 26211)
  148.163.145.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 148.163.144.0/24 (4777 2516 3356 26211)
  148.163.146.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 148.163.147.0/24 (4777 2516 3356 26211)
  148.163.147.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 148.163.146.0/24 (4777 2516 3356 26211)
  148.163.148.0/22     4777 2516 3356 26211 - Withdrawn - aggregated with 148.163.144.0/22 (4777 2516 3356 26211)
  148.163.156.0/23     4777 2516 3356 26211   
  205.220.160.0/21     4777 2516 3356 26211 + Announce - aggregate of 205.220.160.0/22 (4777 2516 3356 26211) and 205.220.164.0/22 (4777 2516 3356 26211)
  205.220.160.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 205.220.161.0/24 (4777 2516 3356 26211)
  205.220.161.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 205.220.160.0/24 (4777 2516 3356 26211)
  205.220.162.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 205.220.163.0/24 (4777 2516 3356 26211)
  205.220.163.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 205.220.162.0/24 (4777 2516 3356 26211)
  205.220.164.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 205.220.165.0/24 (4777 2516 3356 26211)
  205.220.165.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 205.220.164.0/24 (4777 2516 3356 26211)
  205.220.166.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 205.220.167.0/24 (4777 2516 3356 26211)
  205.220.167.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 205.220.166.0/24 (4777 2516 3356 26211)
  205.220.168.0/22     4777 2516 3356 26211 + Announce - aggregate of 205.220.168.0/23 (4777 2516 3356 26211) and 205.220.170.0/23 (4777 2516 3356 26211)
  205.220.168.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 205.220.169.0/24 (4777 2516 3356 26211)
  205.220.169.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 205.220.168.0/24 (4777 2516 3356 26211)
  205.220.170.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 205.220.171.0/24 (4777 2516 3356 26211)
  205.220.171.0/24     4777 2516 3356 26211 - Withdrawn - aggregated with 205.220.170.0/24 (4777 2516 3356 26211)
  205.220.186.0/24     4777 2516 3356 26211   
  205.220.190.0/24     4777 2497 3356 26211   
  205.220.191.0/24     4777 2497 174 26211    
  208.56.8.0/22        4777 2516 3356 26211 + Announce - aggregate of 208.56.8.0/23 (4777 2516 3356 26211) and 208.56.10.0/23 (4777 2516 3356 26211)
  208.56.8.0/24        4777 2516 3356 26211 - Withdrawn - aggregated with 208.56.9.0/24 (4777 2516 3356 26211)
  208.56.9.0/24        4777 2516 3356 26211 - Withdrawn - aggregated with 208.56.8.0/24 (4777 2516 3356 26211)
  208.56.10.0/24       4777 2516 3356 26211 - Withdrawn - aggregated with 208.56.11.0/24 (4777 2516 3356 26211)
  208.56.11.0/24       4777 2516 3356 26211 - Withdrawn - aggregated with 208.56.10.0/24 (4777 2516 3356 26211)
  208.56.16.0/24       4777 2516 174 26211    
  208.84.65.0/24       4777 2516 174 26211    
  208.84.66.0/24       4777 2516 174 26211    
  208.86.202.0/24      4777 2497 3356 26211   
  208.86.203.0/24      4777 2516 3356 26211   

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

AS26211   48 More Specifics   48 Total Advertisements   PROOFPOINT-ASN-US-WEST - Proofpoint, Inc., US
    66.159.227.0/24               66.159.224.0/19
    66.159.240.0/24               66.159.224.0/19
    66.159.241.0/24               66.159.224.0/19
    66.159.248.0/23               66.159.224.0/19
    67.231.144.0/24               67.231.144.0/20
    67.231.145.0/24               67.231.144.0/20
    67.231.146.0/24               67.231.144.0/20
    67.231.147.0/24               67.231.144.0/20
    67.231.148.0/24               67.231.144.0/20
    67.231.149.0/24               67.231.144.0/20
    67.231.150.0/24               67.231.144.0/20
    67.231.151.0/24               67.231.144.0/20
    67.231.158.0/24               67.231.144.0/20
    67.231.159.0/24               67.231.144.0/20
    148.163.132.0/24              148.163.128.0/19
    148.163.133.0/24              148.163.128.0/19
    148.163.134.0/24              148.163.128.0/19
    148.163.135.0/24              148.163.128.0/19
    148.163.144.0/24              148.163.128.0/19
    148.163.145.0/24              148.163.128.0/19
    148.163.146.0/24              148.163.128.0/19
    148.163.147.0/24              148.163.128.0/19
    148.163.148.0/22              148.163.128.0/19
    148.163.156.0/23              148.163.128.0/19
    205.220.160.0/24              205.220.160.0/19
    205.220.161.0/24              205.220.160.0/19
    205.220.162.0/24              205.220.160.0/19
    205.220.163.0/24              205.220.160.0/19
    205.220.164.0/24              205.220.160.0/19
    205.220.165.0/24              205.220.160.0/19
    205.220.166.0/24              205.220.160.0/19
    205.220.167.0/24              205.220.160.0/19
    205.220.168.0/24              205.220.160.0/19
    205.220.169.0/24              205.220.160.0/19
    205.220.170.0/24              205.220.160.0/19
    205.220.171.0/24              205.220.160.0/19
    205.220.186.0/24              205.220.160.0/19
    205.220.190.0/24              205.220.160.0/19
    205.220.191.0/24              205.220.160.0/19
    208.56.8.0/24                 208.56.0.0/18
    208.56.9.0/24                 208.56.0.0/18
    208.56.10.0/24                208.56.0.0/18
    208.56.11.0/24                208.56.0.0/18
    208.56.16.0/24                208.56.0.0/18
    208.84.65.0/24                208.84.64.0/22
    208.84.66.0/24                208.84.64.0/22
    208.86.202.0/24               208.86.200.0/22
    208.86.203.0/24               208.86.200.0/22

Whois Entry

whois: 402332

IANA has recorded AS26211 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS26211\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:       26211
             ASName:         PROOFPOINT-ASN-US-WEST
             ASHandle:       AS26211
             RegDate:        2007-10-31
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/26211
             
             
             OrgName:        Proofpoint, Inc.
             OrgId:          PROOF
             Address:        925 W Maude Ave
             City:           Sunnyvale
             StateProv:      CA
             PostalCode:     94085
             Country:        US
             RegDate:        2007-10-16
             Updated:        2021-06-15
             Ref:            https://rdap.arin.net/registry/entity/PROOF
             
             
             OrgAbuseHandle: PAA19-ARIN
             OrgAbuseName:   Proofpoint ARIN Abuse
             OrgAbusePhone:  +1-801-748-4494 
             OrgAbuseEmail:  abuse@proofpoint.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/PAA19-ARIN
             
             OrgTechHandle: NETWO2061-ARIN
             OrgTechName:   Network Operations
             OrgTechPhone:  +1-801-748-4444 
             OrgTechEmail:  arin-management@proofpoint.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO2061-ARIN
             
             RAbuseHandle: NETWO2061-ARIN
             RAbuseName:   Network Operations
             RAbusePhone:  +1-801-748-4444 
             RAbuseEmail:  arin-management@proofpoint.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO2061-ARIN
             
             RTechHandle: NETWO2061-ARIN
             RTechName:   Network Operations
             RTechPhone:  +1-801-748-4444 
             RTechEmail:  arin-management@proofpoint.com
             RTechRef:    https://rdap.arin.net/registry/entity/NETWO2061-ARIN
             
             RNOCHandle: NETWO2061-ARIN
             RNOCName:   Network Operations
             RNOCPhone:  +1-801-748-4444 
             RNOCEmail:  arin-management@proofpoint.com
             RNOCRef:    https://rdap.arin.net/registry/entity/NETWO2061-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.
             #