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ASN Lookup Tool
AS10309 MARIN-MIDAS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS10309
Organisation
County of Marin
Name
MARIN-MIDAS
Total IPv4 Addresses
9472
Total IPv4 Prefixes
12
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#9,703 out of 77,324
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1997-06-23
Registration Last Change
1997-06-23
Receiving From

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

ASN
Organisation
AS7018
US flagAT&T Services, Inc.
AS33651
US flagComcast Cable Communications, LLC
AS33667
US flagComcast Cable Communications, LLC
AS46375
US flagSonic Telecom LLC
IPv4 Active Prefixes

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

Prefix107.0.46.0/23
Range From107.0.46.0
Range To107.0.47.255
Prefix199.88.64.0/21
Range From199.88.64.0
Range To199.88.71.255
Prefix199.88.72.0/22
Range From199.88.72.0
Range To199.88.75.255
Prefix199.88.76.0/23
Range From199.88.76.0
Range To199.88.77.255
Prefix199.88.79.0/24
Range From199.88.79.0
Range To199.88.79.255
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.