ASN Lookup Tool
AS20 UR

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS20
Organisation
University of Rochester
Name
UR
Total IPv4 Addresses
66048
Total IPv4 Prefixes
3
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,844 out of 76,964
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1984-07-27
Registration Last Change
2019-10-01
Receiving From

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

ASN
Organisation
US flagCogent Communications
US flagCharter Communications Inc
US flagLevel 3 Parent, LLC
US flagNYSERNet
US flagNYSERNet
Transit To

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

 

ASN
Organisation
IQ flagGlobal Cloud Games for video games and general t..
IPv4 Active Prefixes

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

Range From192.5.53.0
Range To192.5.53.255
IPv6 Active Prefixes
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.