Autonomous System
AS3807 University of Montana
EducationActiveUnited StatesARIN
AS3807 (UMTNET-ASN) is an education network operated by University of Montana in United States, registered with ARIN. It has 29 IPv4 prefixes with 85,760 addresses and 1 IPv6 prefix, which makes it the 2,552nd largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses85,760in 29 prefixes
IPv6 prefixes1≈ 3.1 × 10²⁶ addresses
Size rank#2,552of 82,200 active ASNs
Details
OrganizationUniversity of Montana
AS nameUMTNET-ASN
Websiteumt.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactmichael.bloom@umontana.edu
Registered1994-09-02
Last updated2012-04-02
IPv4 prefixes
29 prefixes · 85,760 addresses| Network | Addresses | First – last address |
|---|---|---|
| 150.131.0.0/16 | 65,536 | 150.131.0.0 – 150.131.255.255 |
| 207.196.184.0/21 | 2,048 | 207.196.184.0 – 207.196.191.255 |
| 207.196.192.0/21 | 2,048 | 207.196.192.0 – 207.196.199.255 |
| 207.196.240.0/21 | 2,048 | 207.196.240.0 – 207.196.247.255 |
| 207.196.132.0/22 | 1,024 | 207.196.132.0 – 207.196.135.255 |
| 207.196.136.0/22 | 1,024 | 207.196.136.0 – 207.196.139.255 |
| 207.196.140.0/22 | 1,024 | 207.196.140.0 – 207.196.143.255 |
| 207.196.144.0/22 | 1,024 | 207.196.144.0 – 207.196.147.255 |
| 207.196.168.0/22 | 1,024 | 207.196.168.0 – 207.196.171.255 |
| 207.196.180.0/22 | 1,024 | 207.196.180.0 – 207.196.183.255 |
| 207.196.200.0/22 | 1,024 | 207.196.200.0 – 207.196.203.255 |
| 207.196.204.0/22 | 1,024 | 207.196.204.0 – 207.196.207.255 |
| 207.196.148.0/23 | 512 | 207.196.148.0 – 207.196.149.255 |
| 207.196.154.0/23 | 512 | 207.196.154.0 – 207.196.155.255 |
| 207.196.156.0/23 | 512 | 207.196.156.0 – 207.196.157.255 |
| 207.196.158.0/23 | 512 | 207.196.158.0 – 207.196.159.255 |
| 207.196.172.0/23 | 512 | 207.196.172.0 – 207.196.173.255 |
| 207.196.176.0/23 | 512 | 207.196.176.0 – 207.196.177.255 |
| 192.73.48.0/24 | 256 | 192.73.48.0 – 192.73.48.255 |
| 192.160.47.0/24 | 256 | 192.160.47.0 – 192.160.47.255 |
| 192.207.124.0/24 | 256 | 192.207.124.0 – 192.207.124.255 |
| 192.231.192.0/24 | 256 | 192.231.192.0 – 192.231.192.255 |
| 204.62.203.0/24 | 256 | 204.62.203.0 – 204.62.203.255 |
| 207.196.129.0/24 | 256 | 207.196.129.0 – 207.196.129.255 |
| 207.196.153.0/24 | 256 | 207.196.153.0 – 207.196.153.255 |
150.131.0.0/16 207.196.184.0/21 207.196.192.0/21 207.196.240.0/21 207.196.132.0/22 207.196.136.0/22 207.196.140.0/22 207.196.144.0/22 207.196.168.0/22 207.196.180.0/22 207.196.200.0/22 207.196.204.0/22 207.196.148.0/23 207.196.154.0/23 207.196.156.0/23 207.196.158.0/23 207.196.172.0/23 207.196.176.0/23 192.73.48.0/24 192.160.47.0/24 192.207.124.0/24 192.231.192.0/24 204.62.203.0/24 207.196.129.0/24 207.196.153.0/24
The 25 largest of 29. The API and the database have all of them.
IPv6 prefixes
1 prefix- 2620:104:8000::/40
2620:104:8000::/40
Query AS3807 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS3807&key=YOUR_API_KEY"Any address in its prefixes resolves to AS3807, with or without a key:
curl "https://api.ipapi.is/?q=150.131.0.1"Largest networks in United States
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