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	Prefix	Description
	198.17.110.0/23	Glenbrook High School District

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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	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS6325	Illinois Century Network	✔	✘

ASHandle:       AS22666
OrgID:          GHSD
ASName:         GBHSD
ASNumber:       22666
RegDate:        2013-10-08
Comment:        www.glenbrook225.org
Updated:        2013-10-08
Source:         ARIN



OrgID:          GHSD
OrgName:        Glenbrook High School District
CanAllocate:    
Street:         3801 W Lake Ave # 200
City:           Glenview
State/Prov:     IL
Country:        US
PostalCode:     60026
RegDate:        2011-04-05
Updated:        2020-02-25
OrgAdminHandle: BAIGT-ARIN
OrgTechHandle:  AHMED7-ARIN
OrgTechHandle:  BAIGT-ARIN
OrgAbuseHandle: AHMED7-ARIN
OrgAbuseHandle: BAIGT-ARIN
Source:         ARIN





OrgAdminHandle:       BAIGT-ARIN
OrgAdminName:         Tariq Baig
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        AHMED7-ARIN
OrgTechName:          Zia Ahmed
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        BAIGT-ARIN
OrgTechName:          Tariq Baig
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       AHMED7-ARIN
OrgAbuseName:         Zia Ahmed
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       BAIGT-ARIN
OrgAbuseName:         Tariq Baig
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-03-13T03:25:37Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-yipes	2166
LEVEL3	as-level3-origins-na	0
LEVEL3	as-yipes	2166
RADB	as6325:as-icn-k12	7
RADB	as-windstream-cust	2137
ARIN	as-xo-b	57965
RADB	as-icn-customers	69
RADB	as-ccf-test	1461
RADB	as-ccf	1514
LEVEL3	as-sprint-origins	7309
RADB	as-comcast-edia	2788
RADB	as174:as-cogc-012	49
LEVEL3	as-sprint-customers	1756