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	Prefix	Description
	38.106.208.0/24	Cogent Communications, LLC
	38.106.208.0/20	Cogent Communications, LLC
	38.106.212.0/22	Cogent Communications, LLC
	38.106.216.0/23	Cogent Communications, LLC
	38.106.217.0/24	Cogent Communications, LLC
	38.106.218.0/23	Cogent Communications, LLC
	38.106.222.0/23	Cogent Communications, 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	✔	✘
	AS22925	Allied Telecom Group, LLC	✔	✘
	AS3356	Lumen (Level 3)	✔	✘
	AS36086	Telx	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS22925	Allied Telecom Group, LLC	✔	✘
	AS3356	Lumen (Level 3)	✔	✘
	AS36086	Telx	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✘
	AS271253	LINK BRASIL TELECOMUNICACOES LTDA	✔	✘

ASHandle:       AS15069
OrgID:          SBA-4
ASName:         SBA
ASNumber:       15069
RegDate:        2000-03-14
Updated:        2012-03-02
TechHandle:     NO54-ARIN
Source:         ARIN



OrgID:          SBA-4
OrgName:        Smith Bucklin & Associates Inc
CanAllocate:    
Street:         401 N. Michigan Avenue
City:           Chicago
State/Prov:     IL
Country:        US
PostalCode:     60611
RegDate:        1997-12-23
Updated:        2011-09-24
OrgAdminHandle: CKN23-ARIN
OrgTechHandle:  CKN23-ARIN
OrgAbuseHandle: CKN23-ARIN
Source:         ARIN





OrgAdminHandle:       CKN23-ARIN
OrgAdminName:         Contact No
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        CKN23-ARIN
OrgTechName:          Contact No
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       CKN23-ARIN
OrgAbuseName:         Contact No
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           NO54-ARIN
TechName:              Network Operations
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-12T03:25:23Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-lumen-customers-asns	10695
APNIC	as149765:as-coronetiig-bd	1708
RADB	as-allied_telecom	76
ALTDB	as-telx	183
RADB	as-psinetus-mc	480