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ASN Lookup Tool
AS1256 MASSNET-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS1256
Organisation
Massachusetts Education Computer Network
Name
MASSNET-AS
Total IPv4 Addresses
61952
Total IPv4 Prefixes
10
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,829 out of 77,303
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1991-04-26
Registration Last Change
2019-11-21
Receiving From

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

ASN
Organisation
AS1968
US flagUniversity of Massachusettes
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS1255
US flagSmith College
AS396128
US flagMount Holyoke College
AS32559
US flagAmherst College
AS8067
US flagWestfield State University
AS396086
US flagHampshire College
IPv4 Active Prefixes

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

Prefix134.241.0.0/17
Range From134.241.0.0
Range To134.241.127.255
Prefix134.241.128.0/20
Range From134.241.128.0
Range To134.241.143.255
Prefix134.241.160.0/19
Range From134.241.160.0
Range To134.241.191.255
Prefix134.241.192.0/19
Range From134.241.192.0
Range To134.241.223.255
Prefix134.241.224.0/20
Range From134.241.224.0
Range To134.241.239.255
Showing 5 of 10
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.