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ASN Lookup Tool
AS397027 BLOCK-LINE-DENVER

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS397027
Organisation
Block Line Systems, LLC
Name
BLOCK-LINE-DENVER
Total IPv4 Addresses
3328
Total IPv4 Prefixes
12
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#17,955 out of 77,303
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2018-08-31
Registration Last Change
2018-08-31
Receiving From

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

ASN
Organisation
AS174
US flagCogent Communications
AS3257
US flagGTT Communications Inc.
AS6939
US flagHurricane Electric LLC
AS1031
US flagPeer 1 Internet Service LLC
IPv4 Active Prefixes

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

Prefix24.53.152.0/24
Range From24.53.152.0
Range To24.53.152.255
Prefix24.53.153.0/24
Range From24.53.153.0
Range To24.53.153.255
Prefix24.53.154.0/24
Range From24.53.154.0
Range To24.53.154.255
Prefix24.53.155.0/24
Range From24.53.155.0
Range To24.53.155.255
Prefix24.53.156.0/24
Range From24.53.156.0
Range To24.53.156.255
Showing 5 of 12
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.