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ASN Lookup Tool
AS111 BOSTONU-AS

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS111
Organisation
Boston University
Name
BOSTONU-AS
Total IPv4 Addresses
165888
Total IPv4 Prefixes
26
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,272 out of 77,249
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1987-05-11
Registration Last Change
2023-06-07
Receiving From

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

ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
AS32787
US flagAkamai Technologies, Inc.
AS10578
US flagHarvard University
AS139008
BD flagNEEF IT LIMITED
Transit To

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

 

ASN
Organisation
AS10961
US flagBoston GigaPoP
IPv4 Active Prefixes

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

Prefix128.197.0.0/17
Range From128.197.0.0
Range To128.197.127.255
Prefix128.197.128.0/21
Range From128.197.128.0
Range To128.197.135.255
Prefix128.197.136.0/24
Range From128.197.136.0
Range To128.197.136.255
Prefix128.197.137.0/24
Range From128.197.137.0
Range To128.197.137.255
Prefix128.197.138.0/23
Range From128.197.138.0
Range To128.197.139.255
Showing 5 of 26
IPv6 Active Prefixes
Prefix2406:2c0:110b::/48
Range From2406:2c0:110b::
Range To2406:2c0:110b:ffff:ffff:ffff:ffff:ffff
Prefix2610:58::/32
Range From2610:58::
Range To2610:58:ffff:ffff:ffff:ffff:ffff:ffff
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.