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	Prefix	Description
	66.33.8.0/24	BIF IV
	66.33.8.0/21	BIF IV
	66.33.9.0/24	BIF IV
	66.33.10.0/24	BIF IV
	66.33.11.0/24	BIF IV
	66.33.13.0/24	BIF IV
	2607:3640::/32	BIF IV
	2607:3640:1000::/36	BIF IV

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✔
	AS6461	Zayo Bandwidth	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS6461	Zayo Bandwidth	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS15169	Google LLC	✔	✔

ASHandle:       AS394056
OrgID:          BIIOL
ASName:         BIFIV
ASNumber:       394056
RegDate:        2022-10-21
Updated:        2022-10-21
Source:         ARIN



OrgID:          BIIOL
OrgName:        BIF IV
CanAllocate:    
Street:         251 Little Falls Drive
City:           Wilmington
State/Prov:     DE
Country:        US
PostalCode:     19808
RegDate:        2022-09-08
Updated:        2023-12-12
OrgAdminHandle: BIAA-ARIN
OrgTechHandle:  BIAA-ARIN
OrgAbuseHandle: BIAA-ARIN
OrgNOCHandle:   BIAA-ARIN
OrgRoutingHandle:   BIAA-ARIN
OrgDNSHandle:   BIAA-ARIN
Source:         ARIN





OrgAdminHandle:       BIAA-ARIN
OrgAdminName:          BIF IV ARIN Admin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        BIAA-ARIN
OrgTechName:           BIF IV ARIN Admin
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       BIAA-ARIN
OrgAbuseName:          BIF IV ARIN Admin
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         BIAA-ARIN
OrgNOCName:            BIF IV ARIN Admin
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     BIAA-ARIN
OrgRoutingName:        BIF IV ARIN Admin
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         BIAA-ARIN
OrgDNSName:            BIF IV ARIN Admin
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-04-16T03:30:10Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-bifiv	1
RADB	as-ccf	2059