Report for 2571

Name

DHLNET - DHL Information Services Europe s.r.o, CZ

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.

2571 DHLNET - DHL Information Services Europe s.r.o, CZ

  Adjacency:     7  Upstream:     7  Downstream:     0
  Upstream Adjacent AS list
    AS6855          SK-TELEKOM Slovak Telekom  T-Mobile CZ, SK
    AS16019         VODAFONE-CZ-AS, CZ
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS55002         DEFENSE-NET - F5, Inc., US
    AS4788          TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
    AS32787         PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US
    AS10204         ARCNET-NTTMSC-MY Arcnet NTT MSC ISP, MY

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
731   AS2571         ORIGIN  Originate:     438528 /13.26  Transit:          0 /0.00  DHLNET - DHL Information Services Europe s.r.o, CZ

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       %
 2738 AS2571        DHLNET - DHL Information Services Europe s.r.     55     32     13     36     19  34.55%


  Prefix               AS Path                              Aggregation Suggestion
  137.98.192.0/22      4777 2516 1273 16019 2571 2571 2571 2571   
  137.98.192.0/23      4777 2516 1273 16019 2571 2571 2571 2571 - Withdrawn - matching aggregate 137.98.192.0/22 4777 2516 1273 16019 2571 2571 2571 2571
  137.98.194.0/23      4777 2516 1273 16019 2571 2571 2571 2571 - Withdrawn - matching aggregate 137.98.192.0/22 4777 2516 1273 16019 2571 2571 2571 2571
  137.98.208.0/20      4777 2516 1273 16019 2571   
  137.98.235.0/24      4777 2516 1273 16019 2571   
  156.137.0.0/20       4777 2497 3356 2571 2571   
  156.137.0.0/20       4777 2516 35280 55002 2571 + Announce - aggregate of 156.137.0.0/21 (4777 2516 35280 55002 2571) and 156.137.8.0/21 (4777 2516 35280 55002 2571)
  156.137.0.0/21       4777 2516 35280 55002 2571 - Withdrawn - aggregated with 156.137.8.0/21 (4777 2516 35280 55002 2571)
  156.137.8.0/21       4777 2516 35280 55002 2571 - Withdrawn - aggregated with 156.137.0.0/21 (4777 2516 35280 55002 2571)
  156.137.32.0/20      4777 2497 3356 2571 2571   
  156.137.32.0/20      4777 2516 35280 55002 2571 + Announce - aggregate of 156.137.32.0/21 (4777 2516 35280 55002 2571) and 156.137.40.0/21 (4777 2516 35280 55002 2571)
  156.137.32.0/21      4777 2516 35280 55002 2571 - Withdrawn - aggregated with 156.137.40.0/21 (4777 2516 35280 55002 2571)
  156.137.40.0/21      4777 2516 35280 55002 2571 - Withdrawn - aggregated with 156.137.32.0/21 (4777 2516 35280 55002 2571)
  156.137.192.0/20     4777 2516 3356 2571 2571   
  156.137.192.0/20     4777 2516 35280 55002 2571 + Announce - aggregate of 156.137.192.0/21 (4777 2516 35280 55002 2571) and 156.137.200.0/21 (4777 2516 35280 55002 2571)
  156.137.192.0/21     4777 2516 35280 55002 2571 - Withdrawn - aggregated with 156.137.200.0/21 (4777 2516 35280 55002 2571)
  156.137.200.0/21     4777 2516 35280 55002 2571 - Withdrawn - aggregated with 156.137.192.0/21 (4777 2516 35280 55002 2571)
  165.72.0.0/16        4777 2497 1273 16019 2571   
  165.72.0.0/17        4777 2516 1273 16019 2571   
  165.72.0.0/17        4777 2516 35280 55002 2571 + Announce - aggregate of 165.72.0.0/18 (4777 2516 35280 55002 2571) and 165.72.64.0/18 (4777 2516 35280 55002 2571)
  165.72.0.0/18        4777 2516 35280 55002 2571 - Withdrawn - aggregated with 165.72.64.0/18 (4777 2516 35280 55002 2571)
  165.72.64.0/18       4777 2516 35280 55002 2571 - Withdrawn - aggregated with 165.72.0.0/18 (4777 2516 35280 55002 2571)
  165.72.128.0/17      4777 2516 1273 16019 2571   
  165.72.128.0/17      4777 2516 35280 55002 2571 + Announce - aggregate of 165.72.128.0/18 (4777 2516 35280 55002 2571) and 165.72.192.0/18 (4777 2516 35280 55002 2571)
  165.72.128.0/18      4777 2516 35280 55002 2571 - Withdrawn - aggregated with 165.72.192.0/18 (4777 2516 35280 55002 2571)
  165.72.190.0/23      4777 2516 1273 16019 2571   
  165.72.191.0/24      4777 2516 35280 55002 2571   
  165.72.192.0/18      4777 2516 35280 55002 2571 - Withdrawn - aggregated with 165.72.128.0/18 (4777 2516 35280 55002 2571)
  198.141.4.0/22       4777 2497 1273 16019 2571   
  198.141.4.0/22       4777 2516 35280 55002 2571 + Announce - aggregate of 198.141.4.0/23 (4777 2516 35280 55002 2571) and 198.141.6.0/23 (4777 2516 35280 55002 2571)
  198.141.4.0/23       4777 2516 35280 55002 2571 - Withdrawn - aggregated with 198.141.6.0/23 (4777 2516 35280 55002 2571)
  198.141.6.0/23       4777 2516 35280 55002 2571 - Withdrawn - aggregated with 198.141.4.0/23 (4777 2516 35280 55002 2571)
  198.141.8.0/22       4777 2497 1273 16019 2571   
  198.141.8.0/22       4777 2516 35280 55002 2571 + Announce - aggregate of 198.141.8.0/23 (4777 2516 35280 55002 2571) and 198.141.10.0/23 (4777 2516 35280 55002 2571)
  198.141.8.0/23       4777 2516 35280 55002 2571 - Withdrawn - aggregated with 198.141.10.0/23 (4777 2516 35280 55002 2571)
  198.141.10.0/23      4777 2516 35280 55002 2571 - Withdrawn - aggregated with 198.141.8.0/23 (4777 2516 35280 55002 2571)
  198.141.94.0/23      4777 2497 1273 16019 2571   
  198.141.94.0/23      4777 32787 2571      + Announce - aggregate of 198.141.94.0/24 (4777 32787 2571) and 198.141.95.0/24 (4777 32787 2571)
  198.141.94.0/24      4777 32787 2571      - Withdrawn - aggregated with 198.141.95.0/24 (4777 32787 2571)
  198.141.95.0/24      4777 32787 2571      - Withdrawn - aggregated with 198.141.94.0/24 (4777 32787 2571)
  198.141.96.0/21      4777 2516 1273 16019 2571   
  198.141.96.0/21      4777 2516 35280 55002 2571 + Announce - aggregate of 198.141.96.0/22 (4777 2516 35280 55002 2571) and 198.141.100.0/22 (4777 2516 35280 55002 2571)
  198.141.96.0/22      4777 2516 35280 55002 2571 - Withdrawn - aggregated with 198.141.100.0/22 (4777 2516 35280 55002 2571)
  198.141.100.0/22     4777 2516 35280 55002 2571 - Withdrawn - aggregated with 198.141.96.0/22 (4777 2516 35280 55002 2571)
  198.141.244.0/24     4608 24115 35280 55002 2571   
  198.141.245.0/24     4777 2516 35280 55002 2571   
  199.40.0.0/16        4777 2516 4788 2571    
  199.40.0.0/17        4777 2516 4788 2571  - Withdrawn - matching aggregate 199.40.0.0/16 4777 2516 4788 2571
  199.40.0.0/16        4608 24115 35280 55002 2571 + Announce - aggregate of 199.40.0.0/17 (4608 24115 35280 55002 2571) and 199.40.128.0/17 (4608 24115 35280 55002 2571)
  199.40.0.0/18        4608 24115 35280 55002 2571 - Withdrawn - aggregated with 199.40.64.0/18 (4608 24115 35280 55002 2571)
  199.40.8.0/23        4777 2497 4788 2571    
  199.40.8.0/23        4608 24115 35280 55002 2571 + Announce - aggregate of 199.40.8.0/24 (4608 24115 35280 55002 2571) and 199.40.9.0/24 (4608 24115 35280 55002 2571)
  199.40.8.0/24        4608 24115 35280 55002 2571 - Withdrawn - aggregated with 199.40.9.0/24 (4608 24115 35280 55002 2571)
  199.40.9.0/24        4608 24115 35280 55002 2571 - Withdrawn - aggregated with 199.40.8.0/24 (4608 24115 35280 55002 2571)
  199.40.14.0/23       4777 2497 4788 2571    
  199.40.14.0/24       4608 24115 35280 55002 2571   
  199.40.64.0/18       4608 24115 35280 55002 2571 - Withdrawn - aggregated with 199.40.0.0/18 (4608 24115 35280 55002 2571)
  199.40.128.0/17      4777 2516 4788 2571  - Withdrawn - matching aggregate 199.40.0.0/16 4777 2516 4788 2571
  199.40.128.0/18      4608 24115 35280 55002 2571 - Withdrawn - aggregated with 199.40.192.0/18 (4608 24115 35280 55002 2571)
  199.40.192.0/18      4608 24115 35280 55002 2571 - Withdrawn - aggregated with 199.40.128.0/18 (4608 24115 35280 55002 2571)
  199.40.208.0/23      4777 4713 2914 10204 2571 2571   
  199.40.208.0/23      4777 32787 2571      + Announce - aggregate of 199.40.208.0/24 (4777 32787 2571) and 199.40.209.0/24 (4777 32787 2571)
  199.40.208.0/24      4777 32787 2571      - Withdrawn - aggregated with 199.40.209.0/24 (4777 32787 2571)
  199.40.209.0/24      4777 32787 2571      - Withdrawn - aggregated with 199.40.208.0/24 (4777 32787 2571)
  199.41.252.0/23      4777 2497 3356 2571 2571   
  199.41.252.0/23      4777 2516 35280 55002 2571 + Announce - aggregate of 199.41.252.0/24 (4777 2516 35280 55002 2571) and 199.41.253.0/24 (4777 2516 35280 55002 2571)
  199.41.252.0/24      4777 2516 35280 55002 2571 - Withdrawn - aggregated with 199.41.253.0/24 (4777 2516 35280 55002 2571)
  199.41.253.0/24      4777 2516 35280 55002 2571 - Withdrawn - aggregated with 199.41.252.0/24 (4777 2516 35280 55002 2571)

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

AS2571   54 More Specifics   55 Total Advertisements   DHLNET - DHL Information Services Europe s.r.o, CZ
    137.98.192.0/22               137.98.0.0/16
    137.98.192.0/23               137.98.0.0/16
    137.98.194.0/23               137.98.0.0/16
    137.98.208.0/20               137.98.0.0/16
    137.98.235.0/24               137.98.0.0/16
    156.137.0.0/20                156.137.0.0/16
    156.137.0.0/21                156.137.0.0/16
    156.137.8.0/21                156.137.0.0/16
    156.137.32.0/20               156.137.0.0/16
    156.137.32.0/21               156.137.0.0/16
    156.137.40.0/21               156.137.0.0/16
    156.137.192.0/20              156.137.0.0/16
    156.137.192.0/21              156.137.0.0/16
    156.137.200.0/21              156.137.0.0/16
    165.72.0.0/17                 165.72.0.0/16
    165.72.0.0/18                 165.72.0.0/16
    165.72.64.0/18                165.72.0.0/16
    165.72.128.0/17               165.72.0.0/16
    165.72.128.0/18               165.72.0.0/16
    165.72.190.0/23               165.72.0.0/16
    165.72.191.0/24               165.72.0.0/16
    165.72.192.0/18               165.72.0.0/16
    198.141.4.0/22                198.141.0.0/16
    198.141.4.0/23                198.141.0.0/16
    198.141.6.0/23                198.141.0.0/16
    198.141.8.0/22                198.141.0.0/16
    198.141.8.0/23                198.141.0.0/16
    198.141.10.0/23               198.141.0.0/16
    198.141.94.0/23               198.141.0.0/16
    198.141.94.0/24               198.141.0.0/16
    198.141.95.0/24               198.141.0.0/16
    198.141.96.0/21               198.141.0.0/16
    198.141.96.0/22               198.141.0.0/16
    198.141.100.0/22              198.141.0.0/16
    198.141.244.0/24              198.141.0.0/16
    198.141.245.0/24              198.141.0.0/16
    199.40.0.0/16                 199.40.0.0/15
    199.40.0.0/17                 199.40.0.0/15
    199.40.0.0/18                 199.40.0.0/15
    199.40.8.0/23                 199.40.0.0/15
    199.40.8.0/24                 199.40.0.0/15
    199.40.9.0/24                 199.40.0.0/15
    199.40.14.0/23                199.40.0.0/15
    199.40.14.0/24                199.40.0.0/15
    199.40.64.0/18                199.40.0.0/15
    199.40.128.0/17               199.40.0.0/15
    199.40.128.0/18               199.40.0.0/15
    199.40.192.0/18               199.40.0.0/15
    199.40.208.0/23               199.40.0.0/15
    199.40.208.0/24               199.40.0.0/15
    199.40.209.0/24               199.40.0.0/15
    199.41.252.0/23               199.40.0.0/15
    199.41.252.0/24               199.40.0.0/15
    199.41.253.0/24               199.40.0.0/15

Whois Entry

whois: 402332

IANA has recorded AS2571 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS2571\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:       2571
             ASName:         DHLNET
             ASHandle:       AS2571
             RegDate:        1993-04-07
             Updated:        2020-11-11
             Ref:            https://rdap.arin.net/registry/autnum/2571
             
             
             OrgName:        DHL Information Services (Europe) s.r.o
             OrgId:          DISES
             Address:        V Parku 2308/10
             City:           Prague
             StateProv:      
             PostalCode:     14800
             Country:        CZ
             RegDate:        2011-09-15
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/DISES
             
             
             OrgNOCHandle: BEA7-ARIN
             OrgNOCName:   Eaton, Brian 
             OrgNOCPhone:  +1-717-422-1000 
             OrgNOCEmail:  brian.eaton@dhl.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/BEA7-ARIN
             
             OrgTechHandle: BEA7-ARIN
             OrgTechName:   Eaton, Brian 
             OrgTechPhone:  +1-717-422-1000 
             OrgTechEmail:  brian.eaton@dhl.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/BEA7-ARIN
             
             OrgRoutingHandle: NETEN27-ARIN
             OrgRoutingName:   neteng-mntner
             OrgRoutingPhone:  +420 288 806 041 
             OrgRoutingEmail:  neteng-mntner@dhl.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETEN27-ARIN
             
             OrgTechHandle: GROHM11-ARIN
             OrgTechName:   Grohman, Tomas 
             OrgTechPhone:  +420774323375 
             OrgTechEmail:  tomas.grohman@dhl.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/GROHM11-ARIN
             
             OrgNOCHandle: NETEN27-ARIN
             OrgNOCName:   neteng-mntner
             OrgNOCPhone:  +420 288 806 041 
             OrgNOCEmail:  neteng-mntner@dhl.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETEN27-ARIN
             
             OrgAbuseHandle: SOC71-ARIN
             OrgAbuseName:    Security Operations Center
             OrgAbusePhone:  +00420288802020 
             OrgAbuseEmail:  cdc@dhl.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SOC71-ARIN
             
             OrgTechHandle: NETEN27-ARIN
             OrgTechName:   neteng-mntner
             OrgTechPhone:  +420 288 806 041 
             OrgTechEmail:  neteng-mntner@dhl.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETEN27-ARIN
             
             OrgDNSHandle: NETEN27-ARIN
             OrgDNSName:   neteng-mntner
             OrgDNSPhone:  +420 288 806 041 
             OrgDNSEmail:  neteng-mntner@dhl.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/NETEN27-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.
             #