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ASN Lookup Tool
AS29 YALE-AS

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS29
Organisation
Yale University
Name
YALE-AS
Total IPv4 Addresses
131,840
Total IPv4 Prefixes
13
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,572 out of 77,528
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1984-09-18
Registration Last Change
2023-10-03
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
AS209
US flagCenturyLink Communications, LLC
AS7015
US flagComcast Cable Communications, LLC
AS33657
US flagComcast Cable Communications, LLC
Showing 5 of 6
IPv4 Active Prefixes

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

Prefix128.36.0.0/22
Range From128.36.0.0
Range To128.36.3.255
Prefix128.36.4.0/24
Range From128.36.4.0
Range To128.36.4.255
Prefix128.36.5.0/24
Range From128.36.5.0
Range To128.36.5.255
Prefix128.36.6.0/23
Range From128.36.6.0
Range To128.36.7.255
Prefix128.36.8.0/21
Range From128.36.8.0
Range To128.36.15.255
Showing 5 of 13
IPv6 Active Prefixes
Prefix2604:b200::/32
Range From2604:b200::
Range To2604:b200: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.