Report for 397112

Name

ILLINOIS-MATH-SCIENCE - Illinois Mathematics and Science Academy, 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.

397112 ILLINOIS-MATH-SCIENCE - Illinois Mathematics and Science Academy, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6325          ILLINOIS-CENTURY - Illinois Century Network, US
    AS393451        ONLIGHTAURORA - On Light Aurora, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4105  AS397112       ORIGIN  Originate:      58112 /16.17  Transit:          0 /0.00  ILLINOIS-MATH-SCIENCE - Illinois Mathematics and Science Academy, 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       %
30332 AS397112      ILLINOIS-MATH-SCIENCE - Illinois Mathematics       6      2      1      5      1  16.67%


  Prefix               AS Path                              Aggregation Suggestion
  143.195.0.0/17       4777 2516 3356 393451 397112   
  143.195.1.0/24       4777 2516 174 6325 397112   
  143.195.2.0/23       4777 2516 174 6325 397112 + Announce - aggregate of 143.195.2.0/24 (4777 2516 174 6325 397112) and 143.195.3.0/24 (4777 2516 174 6325 397112)
  143.195.2.0/24       4777 2516 174 6325 397112 - Withdrawn - aggregated with 143.195.3.0/24 (4777 2516 174 6325 397112)
  143.195.3.0/24       4777 2516 174 6325 397112 - Withdrawn - aggregated with 143.195.2.0/24 (4777 2516 174 6325 397112)
  143.195.128.0/18     4777 2516 3356 393451 397112   
  143.195.192.0/19     4777 2516 3356 393451 397112   

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

AS397112   3 More Specifics   6 Total Advertisements   ILLINOIS-MATH-SCIENCE - Illinois Mathematics and Science Academy, US
    143.195.1.0/24                143.195.0.0/17
    143.195.2.0/24                143.195.0.0/17
    143.195.3.0/24                143.195.0.0/17

Whois Entry

whois: 402332

IANA has recorded AS397112 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS397112\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:       397112
             ASName:         ILLINOIS-MATH-SCIENCE
             ASHandle:       AS397112
             RegDate:        2018-10-16
             Updated:        2018-10-16
             Comment:        www.imsa.edu
             Ref:            https://rdap.arin.net/registry/autnum/397112
             
             
             OrgName:        Illinois Mathematics and Science Academy
             OrgId:          IMSA-1
             Address:        1500 Sullivan Road
             City:           Aurora
             StateProv:      IL
             PostalCode:     60506-1039
             Country:        US
             RegDate:        1990-10-08
             Updated:        2024-08-23
             Ref:            https://rdap.arin.net/registry/entity/IMSA-1
             
             
             OrgTechHandle: ROO-ORG-ARIN
             OrgTechName:   Illinois Mathematics and ScienceAcademy
             OrgTechPhone:  +1-630-907-5995 
             OrgTechEmail:  root@imsa.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/ROO-ORG-ARIN
             
             OrgAbuseHandle: ROO-ORG-ARIN
             OrgAbuseName:   Illinois Mathematics and ScienceAcademy
             OrgAbusePhone:  +1-630-907-5995 
             OrgAbuseEmail:  root@imsa.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ROO-ORG-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.
             #