AS53357
Douglas County School District RE.1
AS53357 is Douglas County School District RE.1 (dcsdk12.org). It announces 256 IPv4 addresses in 1 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2009-12-17· education
256
IPv4 addresses announced
1
IPv4 prefixes
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
- DCSD
- name
- Douglas County School District RE.1
- org
- DOUGL-27
- org name
- Douglas County School District RE.1
- org address
- 701 Prairie Hawk Drive, Castle Rock, CO, 80109
- org city
- Castle Rock
- org country
- US
- country
- US
- source
- arin
- created
- 2009-12-17
- updated
- 2023-07-26
- abuse name
- Nick Morgan
- abuse email
- nick.morgan@dcsdk12.org
- abuse phone
- +1-720-433-1212
- abuse kind
- person
- abuse city
- Castle Rock
- abuse country
- US
- admin name
- Nick Morgan
- admin email
- nick.morgan@dcsdk12.org
- admin phone
- +1-720-433-1212
- admin kind
- person
- admin city
- Castle Rock
- admin country
- US
- tech name
- Nick Morgan
- tech email
- nick.morgan@dcsdk12.org
- tech phone
- +1-720-433-1212
- tech kind
- person
- tech city
- Castle Rock
- 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.
- 0.78%
- 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 |
|---|---|---|---|---|
| 66.85.41.0/24 | United States | not found | 16 | 2026-10-02 |
00 · Evaluate
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01 · License
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