ASN Lookup Tool
AS19905 NeuStar Inc.
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 Lookup for:
AS19905
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ASN
AS19905
Organisation
NeuStar Inc.
AS Name
ULTRADDOS
IPv4 Addresses Announced
47,104
IPv4 Prefixes Announced
170
Bogon Prefixes Announced
0
IPv4 Space Rank
#4,250 out of 74,593
Registry
ARIN
Registered Country
US
Registration Date
2007-08-24
Registration Change
2022-05-03
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