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	Prefix	Description
	192.203.136.0/23	College of duPage

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS33491	Comcast Cable Communications, LLC	✔	✘
	AS6325	Illinois Century Network	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS33491	Comcast Cable Communications, LLC	✔	✘
	AS6325	Illinois Century Network	✔	✘

ASHandle:       AS17196
OrgID:          COLLEG-16
ASName:         COD-GE-IL
ASNumber:       17196
RegDate:        2000-08-04
Updated:        2019-06-27
TechHandle:     BUKOW5-ARIN
Source:         ARIN



OrgID:          COLLEG-16
OrgName:        College of duPage
CanAllocate:    
Street:         425 22nd Street
City:           Glen Ellyn
State/Prov:     IL
Country:        US
PostalCode:     60137-6599
RegDate:        1992-09-09
Updated:        2025-11-06
OrgAdminHandle: ZEITZ3-ARIN
OrgTechHandle:  BUKOW5-ARIN
OrgAbuseHandle: BUKOW5-ARIN
OrgNOCHandle:   BUKOW5-ARIN
OrgNOCHandle:   GUPTA143-ARIN
OrgRoutingHandle:   BUKOW5-ARIN
OrgRoutingHandle:   GUPTA143-ARIN
OrgDNSHandle:   BUKOW5-ARIN
Source:         ARIN





OrgAdminHandle:       ZEITZ3-ARIN
OrgAdminName:         Keith Zeitz
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        BUKOW5-ARIN
OrgTechName:          David Bukowski
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       BUKOW5-ARIN
OrgAbuseName:         David Bukowski
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         BUKOW5-ARIN
OrgNOCName:           David Bukowski
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         GUPTA143-ARIN
OrgNOCName:           Swarup Gupta
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     BUKOW5-ARIN
OrgRoutingName:       David Bukowski
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     GUPTA143-ARIN
OrgRoutingName:       Swarup Gupta
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         BUKOW5-ARIN
OrgDNSName:           David Bukowski
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           BUKOW5-ARIN
TechName:             David Bukowski
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-17T03:26:01Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-cbc-cust-il	22
RADB	as-comcast-edia	2751
LEVEL3	as-level3-origins-na	0
RADB	as6325:as-icn-highered	29
RADB	as-icn-customers	69