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	Prefix	Description
	38.3.16.0/20	Cogent Communications, LLC
	38.13.96.0/19	Millennium Telcom LLC
	38.48.32.0/24	Millennium Telcom, LLC dba OneSource Communications
	38.48.33.0/24	Millennium Telcom, LLC dba OneSource Communications
	38.48.34.0/23	Millennium Telcom, LLC dba OneSource Communications
	38.48.36.0/22	Cogent Communications, LLC
	38.48.40.0/22	Cogent Communications, LLC
	38.48.44.0/23	Millennium Telcom, LLC dba OneSource Communications
	38.48.46.0/23	Millennium Telcom, LLC dba OneSource Communications
	38.48.48.0/22	Cogent Communications, LLC
	38.48.52.0/22	Cogent Communications, LLC
	38.48.56.0/22	Cogent Communications, LLC
	38.48.60.0/22	Cogent Communications, LLC
	38.186.100.0/22	Millennium Telcom LLC
	38.186.104.0/24	Millennium Telcom, LLC dba OneSource Communications
	38.186.105.0/24	Millennium Telcom, LLC dba OneSource Communications
	38.186.106.0/23	Millennium Telcom, LLC dba OneSource Communications
	38.186.108.0/23	Millennium Telcom, LLC dba OneSource Communications
	38.186.112.0/22	Millennium Telcom, LLC dba OneSource Communications
	38.186.116.0/22	Millennium Telcom, LLC dba OneSource Communications
	38.186.120.0/24	Millennium Telcom, LLC dba OneSource Communications
	38.186.121.0/24	Millennium Telcom, LLC dba OneSource Communications
	38.186.123.0/24	Millennium Telcom, LLC dba OneSource Communications
	38.186.124.0/23	Millennium Telcom, LLC dba OneSource Communications
	38.186.126.0/23	Millennium Telcom, LLC dba OneSource Communications
	38.187.32.0/19	Cogent Communications, LLC
	38.248.64.0/22	Cogent Communications, LLC
	38.248.68.0/22	Cogent Communications, LLC
	38.248.72.0/24	Cogent Communications, LLC
	38.248.73.0/24	Cogent Communications, LLC
	38.248.74.0/24	Cogent Communications, LLC
	38.248.76.0/24	Cogent Communications, LLC
	38.248.77.0/24	Cogent Communications, LLC
	66.182.192.0/18	Millennium Telcom LLC
	66.182.216.0/24	Millennium Telcom LLC
	66.182.217.0/24	Millennium Telcom LLC
	66.182.218.0/24	Millennium Telcom LLC
	66.182.219.0/24	Millennium Telcom LLC
	66.182.220.0/24	Millennium Telcom LLC
	66.182.221.0/24	Millennium Telcom LLC
	68.71.64.0/20	Millennium Telcom LLC
	149.120.64.0/19	Ubiquity Nebraska, LLC
	2605:3480:1000::/36	Millennium Telcom LLC
	2605:3480:2000::/36	Millennium Telcom LLC
	2605:3480:3000::/36	Millennium Telcom LLC

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS6461	Zayo Bandwidth	✔	✔
	AS5056	Aureon Network Services	✔	✘
	AS46887	Crown Castle Fiber LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS6461	Zayo Bandwidth	✔	✔
	AS5056	Aureon Network Services	✔	✔
	AS46887	Crown Castle Fiber LLC	✔	✘
	AS33589	City of Southlake	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS33589	City of Southlake	✔	✘

ASHandle:       AS20135
OrgID:          MTL-19
ASName:         MTL-19
ASNumber:       20135
RegDate:        2001-03-29
Updated:        2012-03-02
Source:         ARIN



OrgID:          MTL-19
OrgName:        Millennium Telcom LLC
CanAllocate:    
Street:         4800 Keller Hicks Rd.
City:           Keller
State/Prov:     TX
Country:        US
PostalCode:     76248
RegDate:        1999-03-04
Updated:        2024-11-25
OrgAdminHandle: ADMIN232-ARIN
OrgTechHandle:  ADMIN232-ARIN
OrgAbuseHandle: ADMIN232-ARIN
Source:         ARIN





OrgAdminHandle:       ADMIN232-ARIN
OrgAdminName:          Administrator
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ADMIN232-ARIN
OrgTechName:           Administrator
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ADMIN232-ARIN
OrgAbuseName:          Administrator
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-05-07T03:36:58Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as13876:as-customers	93
LEVEL3	as-level3-origins-na	0
ARIN	as33589:as-peers	3
RADB	as-aureon-transit	127
RADB	as-ccf	1529
ARIN	as-xo	1
LEVEL3	as25956:as-customers	54
ARIN	as-xo-b	58831