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	Prefix	Description
	209.122.172.0/24	RCN

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS6079	Astound (fka. RCN)	✔	✘
	AS7784	Atlantech Online, Inc.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS7784	Atlantech Online, Inc.	✔	✘
	AS6079	Astound (fka. RCN)	✔	✘

ASHandle:       AS54724
OrgID:          CGM-66
ASName:         GAITHERSBURGMDGOV
ASNumber:       54724
RegDate:        2020-09-25
Updated:        2020-09-25
Source:         ARIN



OrgID:          CGM-66
OrgName:        City of Gaithersburg
CanAllocate:    
Street:         31 South Summit Avenue
City:           Gaithersburg
State/Prov:     MD
Country:        US
PostalCode:     20877
RegDate:        2020-08-31
Updated:        2020-08-31
OrgAdminHandle: CGMIP-ARIN
OrgTechHandle:  CGMIP-ARIN
OrgAbuseHandle: CGMIP-ARIN
Source:         ARIN





OrgAdminHandle:       CGMIP-ARIN
OrgAdminName:          City of Gaithersburg MD IT POC
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        CGMIP-ARIN
OrgTechName:           City of Gaithersburg MD IT POC
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       CGMIP-ARIN
OrgAbuseName:          City of Gaithersburg MD IT POC
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-14T03:26:22Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-rcn-customer	2346
RADB	as7784:as-customers	24
ARIN	as-7784:as-customers	22
RADB	as-hurricane	25048
RIPE	as-transroute-spec	19618