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ASN Lookup Tool
AS4200005890 Private Use AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS4200005890
Organisation
Private Use AS
Name
Private Use AS
Total IPv4 Addresses
512
Total IPv4 Prefixes
2
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#47,475 out of 77,682
Registry
Registered Country
WORLD flag
Registered Country Name
Registered Date
Registration Last Change
Receiving From

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

ASN
Organisation
AS4837
CN flagCHINA UNICOM China169 Backbone
IPv4 Active Prefixes

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

Prefix27.44.201.0/24
Range From27.44.201.0
Range To27.44.201.255
Prefix157.255.158.0/24
Range From157.255.158.0
Range To157.255.158.255
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.