Midcontinent Independent System Operator, Inc.
AS20004 is Midcontinent Independent System Operator, Inc. (misoenergy.org). It announces 8,192 IPv4 addresses in 5 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2001-03-13· business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States8,192 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- MISO
- name
- Midcontinent Independent System Operator, Inc.
- org
- MISO-2
- org name
- Midcontinent Independent System Operator, Inc.
- org address
- 701 City Center Drive, Carmel, IN, 46032
- org city
- Carmel
- org country
- US
- country
- US
- source
- arin
- created
- 2001-03-13
- updated
- 2012-03-02
- abuse name
- Network
- abuse email
- networking@misoenergy.org
- abuse phone
- +1-317-249-5555
- abuse kind
- role
- abuse city
- Carmel
- abuse country
- US
- admin name
- Network
- admin email
- networking@misoenergy.org
- admin phone
- +1-317-249-5555
- admin kind
- role
- admin city
- Carmel
- admin country
- US
- tech name
- Network
- tech email
- networking@misoenergy.org
- tech phone
- +1-317-249-5555
- tech kind
- role
- tech city
- Carmel
- tech country
- US
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.04%
- None here
- 0.05%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 148.142.64.0/19 | United States | not found | 17 | 2026-10-02 |
| 148.142.64.0/21 | United States | not found | 17 | 2026-10-02 |
| 148.142.72.0/21 | United States | not found | 17 | 2026-10-02 |
| 148.142.80.0/21 | United States | not found | 17 | 2026-10-02 |
| 148.142.88.0/21 | United States | not found | 17 | 2026-10-02 |
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