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// ASN

AS104

COLORADO-AS - University of Colorado at Boulder, US

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS104
Organization
University of Colorado at Boulder
Description
COLORADO-AS - University of Colorado at Boulder, US
Country
US
State / Region
CO
City
Boulder
Address
Campus Box 455
Registry (RIR)
ARIN
Created
2005-11-23
Updated
2019-06-25
IPv4 Prefixes
20
IPv6 Prefixes
1

IPv4 Prefixes

20 total · showing first 10
128.138.0.0/16
129.19.192.0/18
146.5.20.0/22
192.12.238.0/24
192.12.240.0/24
192.12.241.0/24
192.12.242.0/24
192.12.244.0/24
192.12.245.0/24
198.11.16.0/20

IPv6 Prefixes

1 total
2620:18f::/32

What is AS104?

AS104 is an Autonomous System Number (ASN) assigned to University of Colorado at Boulder. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

Looking for more ASN data?

Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.