ASN Lookup Tool
AS20 University of Rochester

An 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.

ASN Details

ASN
AS20
Organisation
University of Rochester
AS Name
UR
IPv4 Addresses Announced
66,048
IPv4 Prefixes Announced
3
Bogon Prefixes Announced
0
IPv4 Space Rank
#2,822 out of 74,219
Registry
ARIN
Registered Country
US flag US
Registration Date
1984-07-27
Registration Change
2019-10-01

Receiving From

ASN
Organisation
ASN
Organisation
US flag Cogent Communications
ASN
Organisation
US flag Level 3 Parent LLC
ASN
Organisation
US flag NYSERNet
ASN
Organisation
US flag NYSERNet

Active Prefixes

Prefix
Range From
Range To