Report for 53647

Name

CARPENTER-TECH - Carpenter Technology 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.

53647 CARPENTER-TECH, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS701           UUNET, US
    AS3356          LEVEL3, US
    AS7016          CCCH-3, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
37275 AS53647        ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  CARPENTER-TECH, 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       %
23708 AS53647       CARPENTER-TECH, US                                 4      2      1      3      1  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  204.88.180.0/24      57866 3356 7016 53647   
  204.88.186.0/23      6939 3356 53647      + Announce - aggregate of 204.88.186.0/24 (6939 3356 53647) and 204.88.187.0/24 (6939 3356 53647)
  204.88.186.0/24      6939 3356 53647      - Withdrawn - aggregated with 204.88.187.0/24 (6939 3356 53647)
  204.88.187.0/24      6939 3356 53647      - Withdrawn - aggregated with 204.88.186.0/24 (6939 3356 53647)
  204.88.188.0/24      6939 3356 53647        

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

AS53647   4 More Specifics   4 Total Advertisements   CARPENTER-TECH, US
    204.88.180.0/24               204.88.176.0/21
    204.88.186.0/24               204.88.184.0/22
    204.88.187.0/24               204.88.184.0/22
    204.88.188.0/24               204.88.188.0/23

Whois Entry

whois: 402603

IANA has recorded AS53647 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS53647\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:       53647
             ASName:         CARPENTER-TECH
             ASHandle:       AS53647
             RegDate:        2010-11-15
             Updated:        2010-11-15
             Ref:            https://rdap.arin.net/registry/autnum/53647
             
             
             OrgName:        Carpenter Technology Corporation
             OrgId:          CTC-9
             Address:        P.O. Box 14662
             City:           Reading
             StateProv:      PA
             PostalCode:     19612-4662
             Country:        US
             RegDate:        1994-10-11
             Updated:        2011-09-24
             Ref:            https://rdap.arin.net/registry/entity/CTC-9
             
             
             OrgAbuseHandle: JW183-ARIN
             OrgAbuseName:   Wayock, Jerry 
             OrgAbusePhone:  +1-610-208-3338 
             OrgAbuseEmail:  networkteam@cartech.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/JW183-ARIN
             
             OrgTechHandle: JW183-ARIN
             OrgTechName:   Wayock, Jerry 
             OrgTechPhone:  +1-610-208-3338 
             OrgTechEmail:  networkteam@cartech.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/JW183-ARIN
             
             RAbuseHandle: JW183-ARIN
             RAbuseName:   Wayock, Jerry 
             RAbusePhone:  +1-610-208-3338 
             RAbuseEmail:  networkteam@cartech.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/JW183-ARIN
             
             RTechHandle: JW183-ARIN
             RTechName:   Wayock, Jerry 
             RTechPhone:  +1-610-208-3338 
             RTechEmail:  networkteam@cartech.com
             RTechRef:    https://rdap.arin.net/registry/entity/JW183-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.
             #