129.19.154.12

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Summary

IP address summary information
Location	Denver, Colorado, US
ASN	AS401317 — Boulder Public Library District
Hostname	—
Range	129.19.154.0/24
Company	University Corporation for Atmospheric Research
Hosted domains	0
Privacy	False
Anycast	False
AS Type	government
Abuse contact	Abuse@boulderlibrary.org

IP Geolocation

IP address geolocation details
Field	Value
City	Denver
State	Colorado
Country	United States
Postal	80203
Local time	05:31 AM, Thursday, October 1, 2026
Timezone	America/Denver
Coordinates	39.7392 N, 104.9847 W

Location Evidence

We have confirmed the location of this IP address with active measurement data

$ ping 129.19.154.12

PING 129.19.154.12 (129.19.154.12): 56 data bytes

64 bytes from 129.19.154.12: icmp_seq=0 ttl=58 time=1.37 ms

Measurement taken from

IPinfo ProbeNet in █████, █████

On September 21, 2026

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Anonymization

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ASN

AS401317 — Boulder Public Library District

Domainboulderlibrary.org
ASN TypeGovernment
Route129.19.154.0/24

Company

University Corporation for Atmospheric Research

Abuse

US, CO, Boulder, 1001 Arapahoe Ave, 80302

+1-983-888-0599

Abuse@boulderlibrary.org

NameAbuseAdmin

Network129.19.154.0/24

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