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	Prefix	Description
	50.226.44.0/24	Comcast Cable Communications, LLC

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS7015	Comcast Cable Communications, LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS7015	Comcast Cable Communications, LLC	✔	✘

ASHandle:       AS36717
OrgID:          PROFE-18
ASName:         PRO-EMS
ASNumber:       36717
RegDate:        2009-03-17
Updated:        2012-02-24
Source:         ARIN



OrgID:          PROFE-18
OrgName:        Professional Ambulance & Oxygen Service, Inc.
CanAllocate:    
Street:         31 Smith Place
City:           Cambridge
State/Prov:     MA
Country:        US
PostalCode:     02138
RegDate:        2008-07-15
Updated:        2011-09-24
OrgAdminHandle: ITDEP57-ARIN
OrgTechHandle:  ITDEP57-ARIN
OrgAbuseHandle: ITDEP57-ARIN
Source:         ARIN





OrgAdminHandle:       ITDEP57-ARIN
OrgAdminName:          IT Department
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ITDEP57-ARIN
OrgTechName:           IT Department
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ITDEP57-ARIN
OrgAbuseName:          IT Department
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:31:00Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-incapsula	387
RADB	as-comcast-edia	2752
RADB	as-windstream-cust	2135
LEVEL3	as-level3-origins-na	0
ARIN	as-incapsula	387
RADB	as-naii-transit	6