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AS395145

McDonogh School, Inc.

AS395145 is McDonogh School, Inc. (mcdonogh.org). It announces 256 IPv4 addresses in 1 prefix, and 0 IPv6 prefixes.

United States· ARIN· allocated 2016-05-05· 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.

  1. United States256 · 100.00%

Registry record

Its ASN Whois record, as the registry publishes it.

handle
MCDONOGH
name
McDonogh School, Inc.
org
MS-3
org name
McDonogh School, Inc.
org address
8600 McDonogh Road, Owings Mills, MD, 21117
org city
Owings Mills
org country
US
country
US
source
arin
created
2016-05-05
updated
2026-05-06
abuse name
Technology Department
abuse phone
+1-443-544-7070
abuse kind
person
abuse city
Owings Mills
abuse country
US
admin name
John Hardcastle
admin phone
+1-443-544-7004
admin kind
person
admin city
Owings Mills
admin country
US
tech
TECHN1032-ARIN
tech name
Technology Department
tech phone
+1-443-544-7070
tech kind
role
tech city
Owings Mills
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.

IPv4 prefixes

Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.

1 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
66.180.67.0/24United StatesNot found172026-10-02
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.