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	Prefix	Description
	143.195.0.0/17	Illinois Mathematics and Science Academy
	143.195.1.0/24	Illinois Mathematics and Science Academy
	143.195.2.0/24	Illinois Mathematics and Science Academy
	143.195.3.0/24	Illinois Mathematics and Science Academy
	143.195.128.0/18	Illinois Mathematics and Science Academy
	143.195.192.0/19	Illinois Mathematics and Science Academy

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS6325	Illinois Century Network	✔	✘
	AS393451	On Light Aurora	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS6325	Illinois Century Network	✔	✘
	AS393451	On Light Aurora	✔	✘

ASHandle:       AS397112
OrgID:          IMSA-1
ASName:         ILLINOIS-MATH-SCIENCE
ASNumber:       397112
RegDate:        2018-10-16
Comment:        www.imsa.edu
Updated:        2018-10-16
Source:         ARIN



OrgID:          IMSA-1
OrgName:        Illinois Mathematics and Science Academy
CanAllocate:    
Street:         1500 Sullivan Road
City:           Aurora
State/Prov:     IL
Country:        US
PostalCode:     60506-1039
RegDate:        1990-10-08
Updated:        2024-08-23
OrgAdminHandle: ROO-ORG-ARIN
OrgTechHandle:  ROO-ORG-ARIN
OrgAbuseHandle: ROO-ORG-ARIN
Source:         ARIN





OrgAdminHandle:       ROO-ORG-ARIN
OrgAdminName:          Illinois Mathematics and ScienceAcademy
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ROO-ORG-ARIN
OrgTechName:           Illinois Mathematics and ScienceAcademy
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ROO-ORG-ARIN
OrgAbuseName:          Illinois Mathematics and ScienceAcademy
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-10T03:36:14Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-icn-customers	69
RADB	as6325:as-icn-gov	3