AS64226
MDU Resources Group, Inc.
AS64226 is MDU Resources Group, Inc. (mdu.com). It announces 65,024 IPv4 addresses in 12 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2015-10-06· business
65,024
IPv4 addresses announced
12
IPv4 prefixes
0
IPv6 prefixes
0.00%
of its routes RPKI-valid
65,024
of its IPv4 geolocated
1
country
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 States65,024 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- MDURESOURCES
- name
- MDU Resources Group, Inc.
- org
- MONTAN-2
- org name
- MDU Resources Group, Inc.
- org address
- 400 N. 4th Street, Bismarck, ND, 58501
- org city
- Bismarck
- org country
- US
- country
- US
- source
- arin
- created
- 2015-10-06
- updated
- 2015-11-15
- abuse name
- Paul Martin
- abuse email
- paul.martin@mdu.com
- abuse phone
- +1-701-530-1720
- abuse kind
- person
- abuse city
- Bismarck
- abuse country
- US
- admin name
- Paul Martin
- admin email
- paul.martin@mdu.com
- admin phone
- +1-701-530-1720
- admin kind
- person
- admin city
- Bismarck
- admin country
- US
- tech name
- Paul Martin
- tech email
- paul.martin@mdu.com
- tech phone
- +1-701-530-1720
- tech kind
- person
- tech city
- Bismarck
- 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
- None here
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 162.57.0.0/16 | United States | not found | 18 | 2026-10-02 |
| 162.57.0.0/17 | United States | not found | 18 | 2026-10-02 |
| 162.57.128.0/17 | United States | not found | 18 | 2026-10-02 |
| 162.57.232.0/24 | United States | not found | 18 | 2026-10-02 |
| 162.57.235.0/24 | United States | not found | 18 | 2026-10-02 |
| 162.57.236.0/24 | United States | not found | 18 | 2026-10-02 |
| 162.57.239.0/24 | United States | not found | 18 | 2026-10-02 |
| 162.57.241.0/24 | United States | not found | 18 | 2026-10-02 |
| 162.57.242.0/24 | United States | not found | 18 | 2026-10-02 |
| 162.57.243.0/24 | United States | not found | 18 | 2026-10-02 |
| 162.57.244.0/24 | United States | not found | 18 | 2026-10-02 |
| 162.57.245.0/24 | United States | not found | 18 | 2026-10-02 |
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