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ASN Lookup Tool
AS4264 CERNET-ASN-BLOCK

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS4264
Organisation
California Education and Research Federation Net..
Name
CERNET-ASN-BLOCK
Total IPv4 Addresses
48,896
Total IPv4 Prefixes
24
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,202 out of 79,045
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1995-01-18
Registration Last Change
1995-01-18
Receiving From

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

ASN
Organisation
AS7018
US flagAT&T Enterprises, LLC
IPv4 Active Prefixes

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

Prefix12.67.1.0/24
Range From12.67.1.0
Range To12.67.1.255
Prefix12.130.81.0/24
Range From12.130.81.0
Range To12.130.81.255
Prefix12.130.82.0/23
Range From12.130.82.0
Range To12.130.83.255
Prefix12.130.84.0/22
Range From12.130.84.0
Range To12.130.87.255
Prefix63.240.0.0/19
Range From63.240.0.0
Range To63.240.31.255
Showing 5 of 24