Report for 11928

Name

HBGUSA - Hachette Book Group, 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.

11928 HBGUSA - Hachette Book Group, Inc., US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
30012 AS11928        ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  HBGUSA - Hachette Book Group, 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       %
12086 AS11928       HBGUSA - Hachette Book Group, Inc., US             5      5      2      2      3  60.00%


  Prefix               AS Path                              Aggregation Suggestion
  204.194.214.0/23     4777 2516 1299 46887 11928 + Announce - aggregate of 204.194.214.0/24 (4777 2516 1299 46887 11928) and 204.194.215.0/24 (4777 2516 1299 46887 11928)
  204.194.214.0/24     4777 2516 1299 46887 11928 - Withdrawn - aggregated with 204.194.215.0/24 (4777 2516 1299 46887 11928)
  204.194.215.0/24     4777 2516 1299 46887 11928 - Withdrawn - aggregated with 204.194.214.0/24 (4777 2516 1299 46887 11928)
  206.34.120.0/22      4777 2516 1299 46887 11928 + Announce - aggregate of 206.34.120.0/23 (4777 2516 1299 46887 11928) and 206.34.122.0/23 (4777 2516 1299 46887 11928)
  206.34.120.0/24      4777 2516 1299 46887 11928 - Withdrawn - aggregated with 206.34.121.0/24 (4777 2516 1299 46887 11928)
  206.34.121.0/24      4777 2516 1299 46887 11928 - Withdrawn - aggregated with 206.34.120.0/24 (4777 2516 1299 46887 11928)
  206.34.122.0/23      4777 2516 1299 46887 11928 - Withdrawn - aggregated with 206.34.120.0/23 (4777 2516 1299 46887 11928)

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

AS11928   5 More Specifics   5 Total Advertisements   HBGUSA - Hachette Book Group, Inc., US
    204.194.214.0/24              204.194.214.0/23
    204.194.215.0/24              204.194.214.0/23
    206.34.120.0/24               206.32.0.0/14
    206.34.121.0/24               206.32.0.0/14
    206.34.122.0/23               206.32.0.0/14

Whois Entry

whois: 402625

IANA has recorded AS11928 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11928\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:       11928
             ASName:         HBGUSA
             ASHandle:       AS11928
             RegDate:        1999-02-08
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/11928
             
             
             OrgName:        Hachette Book Group, Inc.
             OrgId:          HBGU
             Address:        53 State Street, 9th Floor
             City:           Boston
             StateProv:      MA
             PostalCode:     02108
             Country:        US
             RegDate:        2007-02-27
             Updated:        2014-10-21
             Ref:            https://rdap.arin.net/registry/entity/HBGU
             
             
             OrgTechHandle: HBGN-ARIN
             OrgTechName:   Hachette Book Group NOC
             OrgTechPhone:  +1-617-263-2800 
             OrgTechEmail:  HBG-IT-ARINCONTACT@hbgusa.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/HBGN-ARIN
             
             OrgAbuseHandle: HBGN-ARIN
             OrgAbuseName:   Hachette Book Group NOC
             OrgAbusePhone:  +1-617-263-2800 
             OrgAbuseEmail:  HBG-IT-ARINCONTACT@hbgusa.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/HBGN-ARIN
             
             OrgNOCHandle: HBGN-ARIN
             OrgNOCName:   Hachette Book Group NOC
             OrgNOCPhone:  +1-617-263-2800 
             OrgNOCEmail:  HBG-IT-ARINCONTACT@hbgusa.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/HBGN-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.
             #