Report for 394401

Name

HEARST-DC4 - Hearst Corporation, 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 AS6447) 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.

394401 HEARST-DC4, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS1828          UNITAS, US
    AS701           UUNET, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
29001 AS394401       ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  HEARST-DC4, 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       %
20202 AS394401      HEARST-DC4, US                                     5      2      0      3      2  40.00%


  Prefix               AS Path                              Aggregation Suggestion
  167.173.56.0/22      2497 701 394401        
  167.173.56.0/24      3257 701 394401        
  167.173.57.0/24      293 1828 394401        
  167.173.58.0/24      2497 701 394401      - Withdrawn - matching aggregate 167.173.56.0/22 2497 701 394401
  167.173.59.0/24      2497 701 394401      - Withdrawn - matching aggregate 167.173.56.0/22 2497 701 394401

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

AS394401   10 More Specifics   10 Total Advertisements   HEARST-DC4, US
    167.173.80.0/20               167.173.0.0/16
    167.173.82.0/24               167.173.0.0/16
    167.173.83.0/24               167.173.0.0/16
    167.173.84.0/24               167.173.0.0/16
    167.173.88.0/24               167.173.0.0/16
    167.173.89.0/24               167.173.0.0/16
    167.173.90.0/24               167.173.0.0/16
    167.173.91.0/24               167.173.0.0/16
    167.173.92.0/24               167.173.0.0/16
    167.173.194.0/24              167.173.0.0/16
    167.173.56.0/22               167.173.0.0/16
    167.173.56.0/24               167.173.0.0/16
    167.173.57.0/24               167.173.0.0/16
    167.173.58.0/24               167.173.0.0/16
    167.173.59.0/24               167.173.0.0/16

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 167.173.56.0/22             Withdrawn
    - 167.173.56.0/24             Withdrawn
    - 167.173.57.0/24             Withdrawn
    - 167.173.58.0/24             Withdrawn
    - 167.173.59.0/24             Withdrawn

Whois Entry

whois: 402603

IANA has recorded AS394401 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS394401\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:       394401
             ASName:         HEARST-DC4
             ASHandle:       AS394401
             RegDate:        2015-08-28
             Updated:        2015-08-28
             Ref:            https://rdap.arin.net/registry/autnum/394401
             
             
             OrgName:        Hearst Corporation
             OrgId:          HEARST-1
             Address:        300 West 57th Street
             City:           New York
             StateProv:      NY
             PostalCode:     10019
             Country:        US
             RegDate:        1993-09-03
             Updated:        2024-11-21
             Ref:            https://rdap.arin.net/registry/entity/HEARST-1
             
             
             OrgNOCHandle: PMC232-ARIN
             OrgNOCName:   McCaskill, Pat 
             OrgNOCPhone:  +1-704-348-8000 
             OrgNOCEmail:  pmccaskill@hearst.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/PMC232-ARIN
             
             OrgTechHandle: HTSNO-ARIN
             OrgTechName:   HTS NOC-Admin
             OrgTechPhone:  +1-704-348-8000 
             OrgTechEmail:  HTS-ARIN-Admin@hearst.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/HTSNO-ARIN
             
             OrgRoutingHandle: PMC232-ARIN
             OrgRoutingName:   McCaskill, Pat 
             OrgRoutingPhone:  +1-704-348-8000 
             OrgRoutingEmail:  pmccaskill@hearst.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/PMC232-ARIN
             
             OrgAbuseHandle: HTSNO-ARIN
             OrgAbuseName:   HTS NOC-Admin
             OrgAbusePhone:  +1-704-348-8000 
             OrgAbuseEmail:  HTS-ARIN-Admin@hearst.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/HTSNO-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.
             #