Autonomous System

AS19721 Magellan Health Services

BusinessActiveUnited StatesARIN

AS19721 (MHN) is a business network operated by Magellan Health Services in United States, registered with ARIN. It has 14 IPv4 prefixes with 20,224 addresses, which makes it the 6,832nd largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses20,224in 14 prefixes
IPv6 prefixes0none
Size rank#6,832of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationMagellan Health Services
AS nameMHN
Country United States (US)
Network typeBusiness
RegistryARIN
Registered2001-02-07
Last updated2012-03-20

IPv4 prefixes

14 prefixes · 20,224 addresses
NetworkAddressesFirst – last address
204.193.64.0/198,192204.193.64.0 – 204.193.95.255
204.193.64.0/204,096204.193.64.0 – 204.193.79.255
204.193.80.0/204,096204.193.80.0 – 204.193.95.255
204.193.84.0/221,024204.193.84.0 – 204.193.87.255
204.193.86.0/23512204.193.86.0 – 204.193.87.255
204.193.71.0/24256204.193.71.0 – 204.193.71.255
204.193.72.0/24256204.193.72.0 – 204.193.72.255
204.193.74.0/24256204.193.74.0 – 204.193.74.255
204.193.75.0/24256204.193.75.0 – 204.193.75.255
204.193.80.0/24256204.193.80.0 – 204.193.80.255
204.193.84.0/24256204.193.84.0 – 204.193.84.255
204.193.85.0/24256204.193.85.0 – 204.193.85.255
204.193.88.0/24256204.193.88.0 – 204.193.88.255
204.193.93.0/24256204.193.93.0 – 204.193.93.255

IPv6 prefixes

No IPv6 prefixes.

Query AS19721 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.

curl "https://api.ipapi.is/?q=AS19721&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS19721, with or without a key:

curl "https://api.ipapi.is/?q=204.193.64.1"

Largest networks in United States