Report for 11756

Name

CHLA - Children's Hospital Los Angeles, 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.

11756 CHLA - Children's Hospital Los Angeles, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US
    AS226           LOS-NETTOS-AS - Los Nettos, US
    AS20001         TWC-20001-PACWEST - Charter Communications Inc, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
30010 AS11756        ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  CHLA - Children's Hospital Los Angeles, 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       %
20775 AS11756       CHLA - Children's Hospital Los Angeles, US         4      1      0      3      1  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  104.193.218.0/23     4777 2516 1299 46887 11756 11756 11756 11756   
  104.193.218.0/24     4777 2516 1299 46887 11756 11756 11756 11756 - Withdrawn - matching aggregate 104.193.218.0/23 4777 2516 1299 46887 11756 11756 11756 11756
  104.193.222.0/23     4777 2516 226 11756    
  104.193.222.0/24     4777 6939 7843 20001 11756   

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

AS11756   4 More Specifics   4 Total Advertisements   CHLA - Children's Hospital Los Angeles, US
    104.193.218.0/23              104.193.216.0/21
    104.193.218.0/24              104.193.216.0/21
    104.193.222.0/23              104.193.216.0/21
    104.193.222.0/24              104.193.216.0/21

Whois Entry

whois: 402625

IANA has recorded AS11756 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11756\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:       11756
             ASName:         CHLA
             ASHandle:       AS11756
             RegDate:        2014-10-31
             Updated:        2014-10-31
             Ref:            https://rdap.arin.net/registry/autnum/11756
             
             
             OrgName:        Children's Hospital Los Angeles
             OrgId:          CHLA-1
             Address:        4650 SUNSET BLVD
             City:           Los Angeles
             StateProv:      CA
             PostalCode:     90027
             Country:        US
             RegDate:        2011-03-01
             Updated:        2020-09-16
             Ref:            https://rdap.arin.net/registry/entity/CHLA-1
             
             
             OrgAbuseHandle: NETWO9308-ARIN
             OrgAbuseName:   Network Administrator
             OrgAbusePhone:  +1-323-660-2450 
             OrgAbuseEmail:  IS-NetworkTeam@chla.usc.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO9308-ARIN
             
             OrgDNSHandle: NETWO9308-ARIN
             OrgDNSName:   Network Administrator
             OrgDNSPhone:  +1-323-660-2450 
             OrgDNSEmail:  IS-NetworkTeam@chla.usc.edu
             OrgDNSRef:    https://rdap.arin.net/registry/entity/NETWO9308-ARIN
             
             OrgRoutingHandle: NETWO9308-ARIN
             OrgRoutingName:   Network Administrator
             OrgRoutingPhone:  +1-323-660-2450 
             OrgRoutingEmail:  IS-NetworkTeam@chla.usc.edu
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETWO9308-ARIN
             
             OrgTechHandle: NETWO9308-ARIN
             OrgTechName:   Network Administrator
             OrgTechPhone:  +1-323-660-2450 
             OrgTechEmail:  IS-NetworkTeam@chla.usc.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO9308-ARIN
             
             OrgNOCHandle: NADYB-ARIN
             OrgNOCName:   Nadybal, Chris 
             OrgNOCPhone:  +1-323-361-7647 
             OrgNOCEmail:  cnadybal@chla.usc.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NADYB-ARIN
             
             OrgTechHandle: NADYB-ARIN
             OrgTechName:   Nadybal, Chris 
             OrgTechPhone:  +1-323-361-7647 
             OrgTechEmail:  cnadybal@chla.usc.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/NADYB-ARIN
             
             OrgAbuseHandle: NADYB-ARIN
             OrgAbuseName:   Nadybal, Chris 
             OrgAbusePhone:  +1-323-361-7647 
             OrgAbuseEmail:  cnadybal@chla.usc.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NADYB-ARIN
             
             OrgNOCHandle: NETWO9308-ARIN
             OrgNOCName:   Network Administrator
             OrgNOCPhone:  +1-323-660-2450 
             OrgNOCEmail:  IS-NetworkTeam@chla.usc.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO9308-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.
             #