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	Prefix	Description
	149.112.133.0/24	Community IX Holdings, Inc.
	192.55.247.0/24	Community IX Holdings, Inc.
	206.83.9.0/24	Community IX Holdings, Inc.

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS13760	Uniti Fiber Holdings Inc.	✔	✘
	AS29838	Atlantic Metro Communications II, Inc.	✔	✘
	AS19151	BroadbandONE, LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS13760	Uniti Fiber Holdings Inc.	✔	✘
	AS29838	Atlantic Metro Communications II, Inc.	✔	✘
	AS19151	BroadbandONE, LLC	✔	✘

ASHandle:       AS63221
OrgID:          CIH-24
ASName:         COMMUNITY-IX
ASNumber:       63221
RegDate:        2014-09-16
Updated:        2023-10-04
AbuseHandle:    RE44-ARIN
Source:         ARIN



OrgID:          CIH-24
OrgName:        Community IX Holdings, Inc.
CanAllocate:    
Street:         2028 E. Ben White Blvd
Street:         #240-9191
City:           Austin
State/Prov:     TX
Country:        US
PostalCode:     78741-6931
RegDate:        2019-01-24
Updated:        2024-11-25
OrgAdminHandle: COSTE197-ARIN
OrgTechHandle:  COSTE197-ARIN
OrgTechHandle:  RE44-ARIN
OrgTechHandle:  STILL75-ARIN
OrgAbuseHandle: COSTE197-ARIN
OrgAbuseHandle: RE44-ARIN
OrgNOCHandle:   COSTE197-ARIN
OrgNOCHandle:   RE44-ARIN
OrgRoutingHandle:   COSTE197-ARIN
OrgRoutingHandle:   RE44-ARIN
OrgDNSHandle:   COSTE197-ARIN
OrgDNSHandle:   RE44-ARIN
Source:         ARIN





OrgAdminHandle:       COSTE197-ARIN
OrgAdminName:         Michael Costello
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        COSTE197-ARIN
OrgTechName:          Michael Costello
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        RE44-ARIN
OrgTechName:          Randy Epstein
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        STILL75-ARIN
OrgTechName:          Michael Still
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       COSTE197-ARIN
OrgAbuseName:         Michael Costello
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       RE44-ARIN
OrgAbuseName:         Randy Epstein
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         COSTE197-ARIN
OrgNOCName:           Michael Costello
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         RE44-ARIN
OrgNOCName:           Randy Epstein
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     COSTE197-ARIN
OrgRoutingName:       Michael Costello
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     RE44-ARIN
OrgRoutingName:       Randy Epstein
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         COSTE197-ARIN
OrgDNSName:           Michael Costello
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         RE44-ARIN
OrgDNSName:           Randy Epstein
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          RE44-ARIN
AbuseName:            Randy Epstein
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-03-13T03:27:05Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-cix	325
BBOI	as-bboi-cust	847
ALTDB	as-amc	1930
RADB	as-slf-13760-downstream	209
RADB	as52376:as-peers	543