ASN Lookup Tool
AS17227 ATT Enhanced Network Services

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
AS17227
Organisation
ATT Enhanced Network Services
AS Name
ATT-CERFNET-BLOCK
IPv4 Addresses Announced
37,376
IPv4 Prefixes Announced
60
Bogon Prefixes Announced
0
IPv4 Space Rank
#4,643 out of 74,591
Registry
ARIN
Registered Country
US flag US
Registration Date
2000-08-09
Registration Change
2000-08-09

Receiving From

ASN
Organisation
ASN
Organisation
US flag ATT Services Inc.

Transit To

ASN
Organisation
ASN
Organisation
US flag Georgia Technology Authority
ASN
Organisation
CA flag Open Text Corporation
ASN
Organisation
US flag Synacor Inc.
ASN
Organisation
US flag Acer America Corporation
ASN
Organisation
WORLD flag Reserved AS ZZ

Active Prefixes

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