Report for 13748

Name

CSHL - Cold Spring Harbor Laboratory, 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.

13748 CSHL, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS54004         OPTIMUM-WIFI2, US
    AS46887         CROWNCASTLE-AS46887, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1888  AS13748        ORIGIN  Originate:     131584 /14.99  Transit:          0 /0.00  CSHL, 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       %
15859 AS13748       CSHL, US                                           5      3      1      3      2  40.00%


  Prefix               AS Path                              Aggregation Suggestion
  143.48.0.0/16        57866 1299 46887 13748   
  143.48.0.0/16        2914 3356 46887 13748 + Announce - aggregate of 143.48.0.0/17 (2914 3356 46887 13748) and 143.48.128.0/17 (2914 3356 46887 13748)
  143.48.0.0/17        2914 3356 46887 13748 - Withdrawn - aggregated with 143.48.128.0/17 (2914 3356 46887 13748)
  143.48.128.0/17      2914 3356 46887 13748 - Withdrawn - aggregated with 143.48.0.0/17 (2914 3356 46887 13748)
  143.48.210.0/24      57866 1299 46887 13748   
  143.48.220.0/24      2914 3356 46887 13748 - Withdrawn - matching aggregate 143.48.128.0/17 2914 3356 46887 13748

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

AS13748   4 More Specifics   5 Total Advertisements   CSHL, US
    143.48.0.0/17                 143.48.0.0/16
    143.48.128.0/17               143.48.0.0/16
    143.48.210.0/24               143.48.0.0/16
    143.48.220.0/24               143.48.0.0/16

Whois Entry

whois: 402609

IANA has recorded AS13748 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS13748\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:       13748
             ASName:         CSHL
             ASHandle:       AS13748
             RegDate:        2014-04-17
             Updated:        2014-04-17
             Comment:        http://www.cshl.edu
             Ref:            https://rdap.arin.net/registry/autnum/13748
             
             
             OrgName:        Cold Spring Harbor Laboratory
             OrgId:          CSHL
             Address:        Bungtown Road
             City:           Cold Spring Harbor
             StateProv:      NY
             PostalCode:     11724
             Country:        US
             RegDate:        1990-03-26
             Updated:        2007-02-02
             Ref:            https://rdap.arin.net/registry/entity/CSHL
             
             
             OrgAbuseHandle: NAC54-ARIN
             OrgAbuseName:   Network Abuse Complaints
             OrgAbusePhone:  +1-516-367-8818 
             OrgAbuseEmail:  abuse@cshl.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NAC54-ARIN
             
             OrgNOCHandle: NOC2442-ARIN
             OrgNOCName:   Network Operations Center
             OrgNOCPhone:  +1-516-367-8888 
             OrgNOCEmail:  netops@cshl.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC2442-ARIN
             
             OrgTechHandle: NTC10-ARIN
             OrgTechName:   Network Technical Contact
             OrgTechPhone:  +1-516-367-8818 
             OrgTechEmail:  arintech@cshl.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/NTC10-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.
             #