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	Prefix	Description
	129.19.154.0/24	Boulder Public Library District

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS33652	Comcast Cable Communications, LLC	✔	✘
	AS14041	University Corporation for Atmospheric Research	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS14041	University Corporation for Atmospheric Research	✔	✘
	AS33652	Comcast Cable Communications, LLC	✔	✘

ASHandle:       AS401317
OrgID:          BPLD-4
ASName:         BPLD
ASNumber:       401317
RegDate:        2024-08-14
Updated:        2024-08-14
Source:         ARIN



OrgID:          BPLD-4
OrgName:        Boulder Public Library District
CanAllocate:    
Street:         1001 Arapahoe Ave
City:           Boulder
State/Prov:     CO
Country:        US
PostalCode:     80302
RegDate:        2024-06-26
Updated:        2024-08-09
OrgAdminHandle: BPLDN-ARIN
OrgTechHandle:  BPLDN-ARIN
OrgAbuseHandle: ABUSE9019-ARIN
Source:         ARIN





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


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


OrgAbuseHandle:       ABUSE9019-ARIN
OrgAbuseName:          AbuseAdmin
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-16T03:26:48Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-comcast-edia	2774
RADB	as-frgp	62