AS402166
Mannheim School District 83
AS402166 is Mannheim School District 83 (d83.org). It announces 256 IPv4 addresses in 1 prefix, and 0 IPv6 prefixes.
United States· ARIN· allocated 2026-01-30· Education
256
IPv4 addresses announced
1
IPv4 prefix
0
IPv6 prefixes
100.00%
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
- MANNHEIM-SD83
- name
- Mannheim School District 83
- org
- MSD-116
- org name
- Mannheim School District 83
- org address
- 10401 Grand Ave, Franklin Park, IL, 60131
- org city
- Franklin Park
- org country
- US
- country
- US
- source
- arin
- created
- 2026-01-30
- updated
- 2026-01-30
- abuse name
- Network Technician
- abuse email
- techdept@d83.org
- abuse phone
- +1-847-455-3298
- abuse kind
- person
- abuse city
- Franklin Park
- abuse country
- US
- admin name
- Network Technician
- admin email
- techdept@d83.org
- admin phone
- +1-847-455-3298
- admin kind
- person
- admin city
- Franklin Park
- admin country
- US
- tech name
- Network Technician
- tech email
- techdept@d83.org
- tech phone
- +1-847-455-3298
- tech kind
- person
- tech city
- Franklin Park
- 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.
- 2.34%
- None here
- None here
- None here
- None here
- None here
- None here
- Hosting IP256100.00%
- None here
- None here
- None here
- None here
- 0.39%
- 0.39%
- None here
- 2.73%
- 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 |
|---|---|---|---|---|
| 66.99.51.0/24 | United States | Valid | 17 | 2026-10-02 |
00 · Evaluate
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01 · License
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Standard, for detection and decisions inside your own product and operations.
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