Report for 40387

Name

UI-ICCN - 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.

40387 UI-ICCN - University of Illinois, US

  Adjacency:     8  Upstream:     2  Downstream:     6
  Upstream Adjacent AS list
    AS23473         PAVLOVMEDIA - PAVLOV MEDIA INC, US
    AS1299          TWELVE99 Arelion, fka Telia Carrier, SE
  Downstream Adjacent AS list
    AS1224          NCSA-AS - University of Illinois, US
    AS14834         UIS-AS - University of Illinois at Springfield, US
    AS6200          UIC-AS - University of Illinois Chicago, US
    AS38            UIUC - University of Illinois, US
    AS32464         UICOMP-AS - University Of Illinois College Of Medicine At Peoria, US
    AS698           ASN-UIUC-REGION-AS - University of Illinois, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
25105 AS40387        ORG+TRN Originate:       2048 /21.00  Transit:     363264 /13.53 UI-ICCN - 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       %
42885 AS40387       UI-ICCN - University of Illinois, US               1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  72.36.120.0/21       4777 2497 1299 40387   

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

AS40387   1 More Specifics   1 Total Advertisements   UI-ICCN - University of Illinois, US
    72.36.120.0/21                72.36.64.0/18

Whois Entry

whois: 402332

IANA has recorded AS40387 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS40387\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:       40387
             ASName:         UI-ICCN
             ASHandle:       AS40387
             RegDate:        2007-02-07
             Updated:        2014-12-02
             Ref:            https://rdap.arin.net/registry/autnum/40387
             
             
             OrgName:        University of Illinois
             OrgId:          UIUC
             Address:        1120 DCL, MC-256
             Address:        1304 West Springfield Avenue
             City:           Urbana
             StateProv:      IL
             PostalCode:     61801
             Country:        US
             RegDate:        
             Updated:        2014-12-02
             Ref:            https://rdap.arin.net/registry/entity/UIUC
             
             
             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.
             #