Autonomous System
AS20004 Midcontinent Independent System Operator, Inc.
BusinessActiveUnited StatesARIN
AS20004 (MISO) is a business network operated by Midcontinent Independent System Operator, Inc. in United States, registered with ARIN. It has 5 IPv4 prefixes with 16,384 addresses, which makes it the 7,772nd largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses16,384in 5 prefixes
IPv6 prefixes0none
Size rank#7,772of 82,200 active ASNs
Details
OrganizationMidcontinent Independent System Operator, Inc.
AS nameMISO
Websitemisoenergy.org
Country United States (US)
Network typeBusiness
RegistryARIN
Abuse contactnetworking@misoenergy.org
Registered2001-03-13
Last updated2012-03-02
IPv4 prefixes
5 prefixes · 16,384 addresses| Network | Addresses | First – last address |
|---|---|---|
| 148.142.64.0/19 | 8,192 | 148.142.64.0 – 148.142.95.255 |
| 148.142.64.0/21 | 2,048 | 148.142.64.0 – 148.142.71.255 |
| 148.142.72.0/21 | 2,048 | 148.142.72.0 – 148.142.79.255 |
| 148.142.80.0/21 | 2,048 | 148.142.80.0 – 148.142.87.255 |
| 148.142.88.0/21 | 2,048 | 148.142.88.0 – 148.142.95.255 |
148.142.64.0/19 148.142.64.0/21 148.142.72.0/21 148.142.80.0/21 148.142.88.0/21
IPv6 prefixes
No IPv6 prefixes.
Query AS20004 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=AS20004&key=YOUR_API_KEY"Any address in its prefixes resolves to AS20004, with or without a key:
curl "https://api.ipapi.is/?q=148.142.64.1"Largest networks in United States
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