Report for 38

Name

UIUC - University of Illinois, 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.

38 UIUC - University of Illinois, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS40387         UI-ICCN - University of Illinois, US
    AS11537         INTERNET2-RESEARCH-EDU - Internet2, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1206  AS38           ORIGIN  Originate:     217600 /14.27  Transit:          0 /0.00  UIUC - University of Illinois, 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       %
30611 AS38          UIUC - University of Illinois, US                  6      0      0      6      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  72.36.64.0/18        4777 2497 1299 40387 38   
  72.36.80.0/23        4608 7575 11537 38     
  72.36.96.0/20        4608 7575 11537 38     
  128.174.0.0/16       4777 2497 1299 40387 38   
  130.126.0.0/16       4777 2497 1299 40387 38   
  192.17.0.0/16        4777 2497 1299 40387 38   

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

AS38   2 More Specifics   6 Total Advertisements   UIUC - University of Illinois, US
    72.36.80.0/23                 72.36.64.0/18
    72.36.96.0/20                 72.36.64.0/18

Whois Entry

whois: 402332

IANA has recorded AS38 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS38\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:       38
             ASName:         UIUC
             ASHandle:       AS38
             RegDate:        1985-01-24
             Updated:        2022-02-23
             Ref:            https://rdap.arin.net/registry/autnum/38
             
             
             OrgName:        University of Illinois
             OrgId:          UIUC-Z
             Address:        1120 DCL, MC-256
             Address:        1304 West Springfield Avenue
             City:           Urbana
             StateProv:      IL
             PostalCode:     61801
             Country:        US
             RegDate:        2021-11-03
             Updated:        2021-11-03
             Ref:            https://rdap.arin.net/registry/entity/UIUC-Z
             
             
             OrgTechHandle: HOSTM159-ARIN
             OrgTechName:   Hostmgr
             OrgTechPhone:  +1-217-244-1000 
             OrgTechEmail:  dns-admin@illinois.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM159-ARIN
             
             OrgAbuseHandle: UIUCS-ARIN
             OrgAbuseName:   UIUC Security
             OrgAbusePhone:  +1-217-265-0000 
             OrgAbuseEmail:  abuse@illinois.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/UIUCS-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.
             #