AS21781
The Dalton School
AS21781 is The Dalton School (dalton.org). It announces 0 IPv4 addresses in 0 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2012-01-13· Education· dalton.org
0
IPv4 addresses announced
0
IPv4 prefixes
0
IPv6 prefixes
—
of its routes RPKI-valid
0
of its IPv4 geolocated
0
countries
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
None of its IPv4 is geolocated, or it announces only IPv6.
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- DALTONSCHOOL
- name
- The Dalton School
- org
- THEDA-19
- org name
- The Dalton School
- org address
- 108 E 89th St., New York, NY, 10128
- org city
- New York
- org country
- US
- country
- US
- source
- arin
- created
- 2012-01-13
- updated
- 2012-01-13
- abuse name
- John Neiers
- abuse email
- john@dalton.org
- abuse phone
- +1-212-423-5489
- abuse kind
- person
- abuse city
- New York
- abuse country
- US
- admin name
- John Neiers
- admin email
- john@dalton.org
- admin phone
- +1-212-423-5489
- admin kind
- person
- admin city
- New York
- admin country
- US
- tech name
- John Neiers
- tech email
- john@dalton.org
- tech phone
- +1-212-423-5489
- tech kind
- person
- tech city
- New York
- tech country
- US
- abuse unvalidated since
- 2026-01-23
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
- None here
- None here
- None here
- None here
- None here
00 · Evaluate
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.
01 · License
Then license what you use.
Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell, priced by scope rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.