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	Prefix	Description
	131.156.0.0/16	Northern Illinois University

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS54240	Syndeo Networks, Inc	✔	✘
	AS6325	Illinois Century Network	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS54240	Syndeo Networks, Inc	✔	✘
	AS400685	City of Naperville	✔	✘
	AS6325	Illinois Century Network	✔	✘
	AS55283	FHN	✔	✘
	AS22335	Metropolitan Research and Education Network	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS400685	City of Naperville	✔	✘
	AS55283	FHN	✔	✘

ASHandle:       AS11417
OrgID:          NIU-1
ASName:         NIU
ASNumber:       11417
RegDate:        1998-08-17
Updated:        2012-08-30
TechHandle:     NAI5-ARIN
AbuseHandle:    NAI5-ARIN
NOCHandle:      NAI5-ARIN
Source:         ARIN



OrgID:          NIU-1
OrgName:        Northern Illinois University
CanAllocate:    
Street:         Division of Information Technology
City:           DeKalb
State/Prov:     IL
Country:        US
PostalCode:     60115
Comment:        http://www.niu.edu
Comment:        NOC 24x7x365 
Comment:        Phone: 815-753-8100
RegDate:        1988-12-05
Updated:        2019-10-21
OrgAdminHandle: NETWO3080-ARIN
OrgTechHandle:  NAI5-ARIN
OrgTechHandle:  NETWO3080-ARIN
OrgAbuseHandle: NAI5-ARIN
Source:         ARIN





OrgAdminHandle:       NETWO3080-ARIN
OrgAdminName:          Network Engineering
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NAI5-ARIN
OrgTechName:           NIU Abuse Investigation
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NETWO3080-ARIN
OrgTechName:           Network Engineering
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NAI5-ARIN
OrgAbuseName:          NIU Abuse Investigation
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           NAI5-ARIN
TechName:              NIU Abuse Investigation
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          NAI5-ARIN
AbuseName:             NIU Abuse Investigation
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            NAI5-ARIN
NOCName:               NIU Abuse Investigation
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-26T03:34:33Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-frontier	5
RADB	as22335:as-customers	82
RADB	as-icn-customers	69
ARIN	as1239:as-customers	4238
LEVEL3	as-sprint-origins	7309