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ASN Lookup Tool
AS394784 MEEI-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS394784
Organisation
Massachusetts Eye and Ear Infirmary
Name
MEEI-AS
Total IPv4 Addresses
512
Total IPv4 Prefixes
2
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#55,717 out of 77,693
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2015-12-31
Registration Last Change
2021-12-07
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS40831
US flagMass General Brigham Incorporated
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix192.107.242.0/24
Range From192.107.242.0
Range To192.107.242.255
Prefix205.166.145.0/24
Range From205.166.145.0
Range To205.166.145.255
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.