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Summary IP address summary information Name
Colorado State University Country
Website
Hosted domains
48 IPv4 addresses
65,536 IPv6 addresses
0 ASN type
Education Registry
ARIN Allocated
27 years ago on Apr 6, 1999 Updated
4 years ago on Jul 14, 2022
WHOIS
ASHandle: █████
OrgID: █████
ASName: ██████
ASNumber: AS█████
RegDate: ████-██-██
Updated: ████-██-██
TechHandle: ████-████
Source: ████
Powered by ASN to WHOIS data Important routers in AS12145
What is an ASN? Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS12145 at robtex .
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Data Data
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Resources Resources
Traceroute Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more. Traceroute →
$ traceroute -a -n -q1 -f3 -m6 129.82.91.229
traceroute to 129.82.91.229 (129.82.91.229 ): 6 hops max, 52 byte packets
Measurement taken from IPinfo ProbeNet in Boardman, US
On September 17, 2026
Places IPs in this network linked to physical places, based on their Wi-Fi networks.
Places IPs 24 24 New IPinfo Places identifies hotels, airports, stadiums, and more with building-level precision.
Explore Places There are 6 peers for this ASN.
ASN Name Rank AS14041 University Corporation for Atmospheric Research #1,533 AS25825 Poudre Valley Health Care, Inc. #21,092 AS31991 Platte River Power Authority #47,823 AS54060 Poudre School District R-1 #15,955 AS54669 Larimer County Government #32,682 AS394748 City of Fort Collins #35,440
There are 1 upstreams for this ASN.
ASN Name Rank AS14041 University Corporation for Atmospheric Research #1,533
There are 4 downstreams for this ASN.
ASN Name Rank AS31991 Platte River Power Authority #47,823 AS54060 Poudre School District R-1 #15,955 AS54669 Larimer County Government #32,682 AS394748 City of Fort Collins #35,440
Important routers in AS12145 Share of IPv4 footprint per hexagon Less More
Held location over 90 days 100%
Held location over 1 year 100%
Median days between moves 1,212 days
Geolocation scope City How consistently this network's IPs hold their geolocation. Read relative to the network type, not as a quality score.
There are 48 domain names hosted across 28 IP addresses on this ASN.
Pingable IPs 10 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more
IP Address ASN Details 129.82.32.97 Ping AS12145 Colorado State University #5,927 3.10ms from Denver, US 129.82.168.19 Ping AS12145 Colorado State University #5,927 2.86ms from Denver, US 129.82.233.44 Ping AS12145 Colorado State University #5,927 3.10ms from Denver, US 129.82.94.1 Ping AS12145 Colorado State University #5,927 2.72ms from Denver, US 129.82.102.1 Ping AS12145 Colorado State University #5,927 2.78ms from Denver, US 129.82.254.230 Ping AS12145 Colorado State University #5,927 3.02ms from Denver, US 129.82.2.26 Ping AS12145 Colorado State University #5,927 0.52ms from Denver, US 129.82.138.12 Ping AS12145 Colorado State University #5,927 2.80ms from Denver, US 129.82.1.114 Ping AS12145 Colorado State University #5,927 2.77ms from Denver, US 129.82.0.18 Ping AS12145 Colorado State University #5,927 2.72ms from Denver, US
Activity A pronounced day/night rhythm — the signature of a consumer/eyeball network whose users sleep at night.
Times shown in United States local time (UTC-7). Less More
Peak hour 10:00–11:00
Active hours 10 hrs (business hours)
Weekend vs weekday weekdays heavier
Busiest day Tue
Network type Education
Geography United States 
University