Report for 160

Name

U-CHICAGO-AS - The University of Chicago, 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.

160 U-CHICAGO-AS - The University of Chicago, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS11537         INTERNET2-RESEARCH-EDU - Internet2, US
    AS11164         INTERNET2-I2PX - Internet2, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2153  AS160          ORIGIN  Originate:     115200 /15.19  Transit:          0 /0.00  U-CHICAGO-AS - The University of Chicago, 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       %
20511 AS160         U-CHICAGO-AS - The University of Chicago, US       6      2      1      5      1  16.67%


  Prefix               AS Path                              Aggregation Suggestion
  128.135.0.0/16       4777 2497 11164 160    
  192.5.85.0/24        4777 2497 11164 160    
  192.170.192.0/18     4777 2497 11164 160  + Announce - aggregate of 192.170.192.0/19 (4777 2497 11164 160) and 192.170.224.0/19 (4777 2497 11164 160)
  192.170.192.0/19     4777 2497 11164 160  - Withdrawn - aggregated with 192.170.224.0/19 (4777 2497 11164 160)
  192.170.224.0/19     4777 2497 11164 160  - Withdrawn - aggregated with 192.170.192.0/19 (4777 2497 11164 160)
  198.177.153.0/24     4777 2497 11164 160    
  205.208.0.0/17       4777 2497 11164 160    

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

AS160   3 More Specifics   6 Total Advertisements   U-CHICAGO-AS - The University of Chicago, US
    192.5.85.0/24                 192.5.84.0/22
    192.170.192.0/19              192.170.192.0/18
    192.170.224.0/19              192.170.192.0/18

Whois Entry

whois: 402332

IANA has recorded AS160 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS160\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:       160
             ASName:         U-CHICAGO-AS
             ASHandle:       AS160
             RegDate:        1988-02-25
             Updated:        2023-12-05
             Ref:            https://rdap.arin.net/registry/autnum/160
             
             
             OrgName:        The University of Chicago
             OrgId:          UNIVER-174-Z
             Address:        1155 E. 60th Street
             City:           Chicago
             StateProv:      IL
             PostalCode:     60637
             Country:        US
             RegDate:        2023-02-27
             Updated:        2023-04-19
             Ref:            https://rdap.arin.net/registry/entity/UNIVER-174-Z
             
             
             OrgNOCHandle: DNO22-ARIN
             OrgNOCName:   Data Network Operations
             OrgNOCPhone:  +1-773-702-7626 
             OrgNOCEmail:  noc@uchicago.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/DNO22-ARIN
             
             OrgAbuseHandle: NSC26-ARIN
             OrgAbuseName:   Network Security Center
             OrgAbusePhone:  +1-773-702-2378 
             OrgAbuseEmail:  security@uchicago.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NSC26-ARIN
             
             OrgTechHandle: DOMAI99-ARIN
             OrgTechName:   Domain Administrator
             OrgTechPhone:  +1-773-702-7626 
             OrgTechEmail:  domainadmin@uchicago.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/DOMAI99-ARIN
             
             RTechHandle: DNO22-ARIN
             RTechName:   Data Network Operations
             RTechPhone:  +1-773-702-7626 
             RTechEmail:  noc@uchicago.edu
             RTechRef:    https://rdap.arin.net/registry/entity/DNO22-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.
             #