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ASN Lookup Tool
AS400666 DOBSON-ASN-02

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS400666
Organisation
Dobson Technologies - Transport and Telecom Solu..
Name
DOBSON-ASN-02
Total IPv4 Addresses
16128
Total IPv4 Prefixes
20
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#7,463 out of 77,314
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2022-04-21
Registration Last Change
2022-04-21
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.
AS400662
US flagDobson Technologies - Transport and Telecom Solu..
IPv4 Active Prefixes

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

Prefix57.138.0.0/24
Range From57.138.0.0
Range To57.138.0.255
Prefix57.138.1.0/24
Range From57.138.1.0
Range To57.138.1.255
Prefix57.138.2.0/23
Range From57.138.2.0
Range To57.138.3.255
Prefix57.138.4.0/22
Range From57.138.4.0
Range To57.138.7.255
Prefix57.138.8.0/21
Range From57.138.8.0
Range To57.138.15.255
Showing 5 of 20
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.