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ASN Lookup Tool
AS5724 UMASSMED

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS5724
Organisation
University of Massachusetts Medical School
Name
UMASSMED
Total IPv4 Addresses
65,536
Total IPv4 Prefixes
14
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,350 out of 79,047
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1995-09-06
Registration Last Change
2023-07-01
Receiving From

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

ASN
Organisation
AS174
US flagCogent Communications
AS10578
US flagHarvard University
AS398427
US flagMarkley Network Services, LLC
IPv4 Active Prefixes

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

Prefix146.189.0.0/20
Range From146.189.0.0
Range To146.189.15.255
Prefix146.189.16.0/21
Range From146.189.16.0
Range To146.189.23.255
Prefix146.189.24.0/24
Range From146.189.24.0
Range To146.189.24.255
Prefix146.189.25.0/24
Range From146.189.25.0
Range To146.189.25.255
Prefix146.189.26.0/24
Range From146.189.26.0
Range To146.189.26.255
Showing 5 of 14