AS21643
Midwestern University
AS21643 is Midwestern University (midwestern.edu). It announces 256 IPv4 addresses in 1 prefix, and 0 IPv6 prefixes.
United States· ARIN· allocated 2014-10-14· Education
256
IPv4 addresses announced
1
IPv4 prefix
0
IPv6 prefixes
0.00%
of its routes RPKI-valid
256
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 States256 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- MWU-ASN
- name
- Midwestern University
- org
- MIDWES-1
- org name
- Midwestern University
- org address
- 555 31st St., Downers Grove, IL, 60515
- org city
- Downers Grove
- org country
- US
- country
- US
- source
- arin
- created
- 2014-10-14
- updated
- 2014-10-14
- abuse name
- James Jacobson
- abuse email
- jjacob@midwestern.edu
- abuse phone
- +1-630-515-7351
- abuse kind
- person
- abuse city
- Downers Grove
- abuse country
- US
- admin name
- James Jacobson
- admin email
- jjacob@midwestern.edu
- admin phone
- +1-630-515-7351
- admin kind
- person
- admin city
- Downers Grove
- admin country
- US
- tech name
- James Jacobson
- tech email
- jjacob@midwestern.edu
- tech phone
- +1-630-515-7351
- tech kind
- person
- tech city
- Downers Grove
- tech country
- US
- abuse validated
- 1
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.
- 0.39%
- Geonix0.39%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.39%
- None here
- None here
- Web IP155.86%
- 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 |
|---|---|---|---|---|
| 204.152.157.0/24 | United States | Not found | 17 | 2026-10-02 |
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01 · License
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