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	Prefix	Description
	2607:f7a8::/39	Zayo Bandwidth
	2607:f7a8:1200::/39	Zayo Bandwidth

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS46887	Zayo Bandwidth	✘	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS46887	Zayo Bandwidth	✘	✔

ASHandle:       AS21687
OrgID:          ZAYOB
ASName:         
ASNumber:       21687
RegDate:        2001-06-08
Updated:        2026-06-01
Source:         ARIN



OrgID:          ZAYOB
OrgName:        Zayo Bandwidth
CanAllocate:    
Street:         1401 Wynkoop St.
Street:         #500
City:           Denver
State/Prov:     CO
Country:        US
PostalCode:     80202
RegDate:        2007-10-12
Updated:        2024-11-25
OrgAdminHandle: ZIE-ARIN
OrgTechHandle:  ZIE-ARIN
OrgAbuseHandle: ABUSE5675-ARIN
OrgNOCHandle:   ZIE-ARIN
Source:         ARIN





OrgAdminHandle:       ZIE-ARIN
OrgAdminName:          Zayo IP Engineering
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ZIE-ARIN
OrgTechName:           Zayo IP Engineering
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ABUSE5675-ARIN
OrgAbuseName:          Abuse
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         ZIE-ARIN
OrgNOCName:            Zayo IP Engineering
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-14T03:25:36Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-light-141	113
RADB	as-ccf	1539
RADB	as-ccf-test	1461