AS104 University of Colorado at Boulder

Looking Glass:

https://bgp.he.net/lg/104

Country of Origin:

United States

Prefixes Originated (all): 22
Prefixes Originated (v4): 20
Prefixes Originated (v6): 2

Prefixes Announced (all): 22
Prefixes Announced (v4): 20
Prefixes Announced (v6): 2

RPKI Originated Valid (all): 2
RPKI Originated Valid (v4): 1
RPKI Originated Valid (v6): 1

RPKI Originated Invalid (all): 0
RPKI Originated Invalid (v4): 0
RPKI Originated Invalid (v6): 0

BGP Peers Observed (all): 2
BGP Peers Observed (v4): 2
BGP Peers Observed (v6): 2

IPs Originated (v4): 91,136
AS Paths Observed (v4): 1,120
AS Paths Observed (v6): 656

Average AS Path Length (all): 4.279
Average AS Path Length (v4): 4.354
Average AS Path Length (v6): 4.151

AS104 IPv4 Peers

ASN	Name
AS3356	Level 3 Parent, LLC
AS14041	University Corporation for Atmospheric Research

AS104 IPv6 Peers

ASN	Name
AS3356	Level 3 Parent, LLC
AS14041	University Corporation for Atmospheric Research

AS104 IPv4 Peer Count

AS104 IPv6 Peer Count

AS104 IPv4 Prefixes Announced

AS104 IPv6 Prefixes Announced

AS104 IPv4 Prefixes Originated

AS104 IPv6 Prefixes Originated

AS104 IPv4 Route Propagation

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AS104 IPv6 Route Propagation

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Prefix	Description	Visibility
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Prefix	Description
128.138.0.0/16	University of Colorado
129.19.192.0/18	University of Colorado Boulder
146.5.20.0/22	National Solar Observatory
192.12.238.0/24	University of Colorado
192.12.240.0/24	University of Colorado
192.12.241.0/24	University of Colorado
192.12.242.0/24	University of Colorado
192.12.244.0/24	University of Colorado
192.12.245.0/24	University of Colorado
198.11.16.0/20	University of Colorado Boulder
198.59.7.0/24	University of Colorado Boulder
198.59.51.0/24	University of Colorado Boulder
198.59.52.0/24	University of Colorado Boulder
198.59.54.0/24	University of Colorado Boulder
198.59.55.0/24	University of Colorado Boulder
198.59.70.0/24	University of Colorado Boulder
198.59.81.0/24	University of Colorado Boulder
198.59.82.0/24	University of Colorado Boulder
198.59.83.0/24	University of Colorado Boulder
204.228.80.0/24	University of Colorado Boulder

Prefix	Description	Visibility
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Prefix	Description
2001:468:501::/48	University Corporation for Atmospheric Research
2620:18f::/32	University of Colorado Boulder

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Level 3 Parent, LLC	X	AS3356
2	University Corporation for Atmospheric Research	X	AS14041

Rank	Description	IPv4	Peer
1	Level 3 Parent, LLC	X	AS3356
2	University Corporation for Atmospheric Research	X	AS14041

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RADB

aut-num: AS104 as-name: COLORADO-AS descr: University of Colorado at Boulder admin-c: CUBOU-ARIN tech-c: CUBOU-ARIN mnt-by: MAINT-AS14041 changed: jph@ucar.edu 20210811 #18:16:49Z source: RADB last-modified: 2023-11-13T16:08:02Z

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