Report for 10583

Name

CHIME - Connecticut Hospital Assoc., 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.

10583 CHIME, US

  Adjacency:     6  Upstream:     3  Downstream:     3
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887, US
    AS3356          LEVEL3, US
    AS5650          FRONTIER-FRTR, US
  Downstream Adjacent AS list
    AS16745         ADVANCED-RADIOLOGY-CONSULTANTS-LLC, US
    AS394802        BRISTOLHOSPITAL, US
    AS32207         MIDDLESEX-HOSPITAL, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1802  AS10583        ORG+TRN Originate:     134144 /14.97  Transit:       1536 /21.42 CHIME, 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       %
 5820 AS10583       CHIME, US                                         12      9      1      4      8  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  170.163.0.0/16       293 3356 10583         
  170.163.0.0/16       57866 3356 10583     + Announce - aggregate of 170.163.0.0/17 (57866 3356 10583) and 170.163.128.0/17 (57866 3356 10583)
  170.163.0.0/17       57866 3356 10583     - Withdrawn - aggregated with 170.163.128.0/17 (57866 3356 10583)
  170.163.1.0/24       57866 3356 10583     - Withdrawn - matching aggregate 170.163.0.0/17 57866 3356 10583
  170.163.68.0/24      293 3356 10583         
  170.163.112.0/24     57866 3356 10583     - Withdrawn - matching aggregate 170.163.0.0/17 57866 3356 10583
  170.163.128.0/17     57866 3356 10583     - Withdrawn - aggregated with 170.163.0.0/17 (57866 3356 10583)
  170.163.224.0/22     57866 3356 10583     - Withdrawn - matching aggregate 170.163.128.0/17 57866 3356 10583
  170.163.232.0/24     57866 3356 10583     - Withdrawn - matching aggregate 170.163.128.0/17 57866 3356 10583
  170.163.246.0/24     6939 3356 5650 10583   
  170.163.247.0/24     57866 3356 10583     - Withdrawn - matching aggregate 170.163.128.0/17 57866 3356 10583
  170.163.248.0/24     57866 3356 10583     - Withdrawn - matching aggregate 170.163.128.0/17 57866 3356 10583
  170.163.250.0/24     57866 3356 10583     - Withdrawn - matching aggregate 170.163.128.0/17 57866 3356 10583

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

AS10583   9 More Specifics   10 Total Advertisements   CHIME, US
    170.163.0.0/17                170.163.0.0/16
    170.163.20.0/24               170.163.0.0/16
    170.163.68.0/24               170.163.0.0/16
    170.163.112.0/24              170.163.0.0/16
    170.163.128.0/17              170.163.0.0/16
    170.163.224.0/22              170.163.0.0/16
    170.163.232.0/24              170.163.0.0/16
    170.163.247.0/24              170.163.0.0/16
    199.21.208.0/23               199.21.208.0/21
    170.163.1.0/24                170.163.0.0/16
    170.163.248.0/24              170.163.0.0/16
    170.163.250.0/24              170.163.0.0/16

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

    - 170.163.1.0/24              Withdrawn
    - 170.163.248.0/24            Withdrawn
    - 170.163.250.0/24            Withdrawn

Whois Entry

whois: 402603

IANA has recorded AS10583 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS10583\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:       10583
             ASName:         CHIME
             ASHandle:       AS10583
             RegDate:        1997-09-29
             Updated:        2019-06-18
             Ref:            https://rdap.arin.net/registry/autnum/10583
             
             
             OrgName:        Connecticut Hospital Assoc.
             OrgId:          CHA-28
             Address:        110 Barnes Rd. P.O. Box 90
             City:           Wallingford
             StateProv:      CT
             PostalCode:     06492-0090
             Country:        US
             RegDate:        1997-09-29
             Updated:        2019-06-12
             Ref:            https://rdap.arin.net/registry/entity/CHA-28
             
             
             OrgNOCHandle: HELPD27-ARIN
             OrgNOCName:   HelpDesk
             OrgNOCPhone:  +1-203-294-7394 
             OrgNOCEmail:  helpdesk@chime.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/HELPD27-ARIN
             
             OrgAbuseHandle: HELPD27-ARIN
             OrgAbuseName:   HelpDesk
             OrgAbusePhone:  +1-203-294-7394 
             OrgAbuseEmail:  helpdesk@chime.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/HELPD27-ARIN
             
             OrgAbuseHandle: BAILE541-ARIN
             OrgAbuseName:   Bailey, Charlie 
             OrgAbusePhone:  +1-203-294-7316 
             OrgAbuseEmail:  bailey@chime.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/BAILE541-ARIN
             
             OrgTechHandle: HELPD27-ARIN
             OrgTechName:   HelpDesk
             OrgTechPhone:  +1-203-294-7394 
             OrgTechEmail:  helpdesk@chime.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/HELPD27-ARIN
             
             OrgNOCHandle: BAILE541-ARIN
             OrgNOCName:   Bailey, Charlie 
             OrgNOCPhone:  +1-203-294-7316 
             OrgNOCEmail:  bailey@chime.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/BAILE541-ARIN
             
             OrgTechHandle: BAILE541-ARIN
             OrgTechName:   Bailey, Charlie 
             OrgTechPhone:  +1-203-294-7316 
             OrgTechEmail:  bailey@chime.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/BAILE541-ARIN
             
             RAbuseHandle: BAILE541-ARIN
             RAbuseName:   Bailey, Charlie 
             RAbusePhone:  +1-203-294-7316 
             RAbuseEmail:  bailey@chime.org
             RAbuseRef:    https://rdap.arin.net/registry/entity/BAILE541-ARIN
             
             RTechHandle: BAILE541-ARIN
             RTechName:   Bailey, Charlie 
             RTechPhone:  +1-203-294-7316 
             RTechEmail:  bailey@chime.org
             RTechRef:    https://rdap.arin.net/registry/entity/BAILE541-ARIN
             
             RNOCHandle: BAILE541-ARIN
             RNOCName:   Bailey, Charlie 
             RNOCPhone:  +1-203-294-7316 
             RNOCEmail:  bailey@chime.org
             RNOCRef:    https://rdap.arin.net/registry/entity/BAILE541-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.
             #