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	Prefix	Description
	66.180.67.0/24	McDonogh School, Inc.

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS46887	Zayo Bandwidth	✔	✘
	AS33657	Comcast Cable Communications, LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS46887	Zayo Bandwidth	✔	✘
	AS33657	Comcast Cable Communications, LLC	✔	✘

ASHandle:       AS395145
OrgID:          MS-3
ASName:         MCDONOGH
ASNumber:       395145
RegDate:        2016-05-05
Updated:        2026-05-06
TechHandle:     TECHN1032-ARIN
Source:         ARIN



OrgID:          MS-3
OrgName:        McDonogh School, Inc.
CanAllocate:    
Street:         8600 McDonogh Road
City:           Owings Mills
State/Prov:     MD
Country:        US
PostalCode:     21117
Comment:        https://www.mcdonogh.org
Comment:        Standard office hours are 8:30 a.m. to 5 p.m. Eastern Time Zone (UTC-05:00)
RegDate:        2011-04-15
Updated:        2025-05-01
OrgAdminHandle: HARDC-ARIN
OrgTechHandle:  DEPAR28-ARIN
OrgTechHandle:  HARDC-ARIN
OrgTechHandle:  TLQ-ARIN
OrgAbuseHandle: DEPAR28-ARIN
OrgAbuseHandle: TLQ-ARIN
OrgNOCHandle:   DEPAR28-ARIN
OrgNOCHandle:   TLQ-ARIN
Source:         ARIN





OrgAdminHandle:       HARDC-ARIN
OrgAdminName:         John Hardcastle
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        DEPAR28-ARIN
OrgTechName:          Technology Department
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        HARDC-ARIN
OrgTechName:          John Hardcastle
# Email removed, Log into bgp.tools to see whois emails


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


OrgAbuseHandle:       DEPAR28-ARIN
OrgAbuseName:         Technology Department
# Email removed, Log into bgp.tools to see whois emails


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


OrgNOCHandle:         DEPAR28-ARIN
OrgNOCName:           Technology Department
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         TLQ-ARIN
OrgNOCName:           Tariq Qureshi
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           TECHN1032-ARIN
TechName:              Technology Department
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-14T03:28:43Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ccf-test	1461
RADB	as-comcast-edia	2774
RADB	as-ccf	1539