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ASN Lookup Tool
AS3378 MCI-ASN

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS3378
Organisation
MCI
Name
MCI-ASN
Total IPv4 Addresses
58368
Total IPv4 Prefixes
51
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,937 out of 77,321
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1994-01-06
Registration Last Change
2009-08-27
Receiving From

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

ASN
Organisation
AS701
US flagVerizon Business
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS3371
US flagMCI
AS3372
US flagMCI
AS3377
US flagMCI
AS64768
WORLD flagPrivate Use AS
AS64767
WORLD flagPrivate Use AS
Showing 5 of 8
IPv4 Active Prefixes

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

Prefix142.77.1.0/24
Range From142.77.1.0
Range To142.77.1.255
Prefix142.77.14.0/24
Range From142.77.14.0
Range To142.77.14.255
Prefix142.77.32.0/24
Range From142.77.32.0
Range To142.77.32.255
Prefix142.77.46.0/24
Range From142.77.46.0
Range To142.77.46.255
Prefix146.1.1.0/24
Range From146.1.1.0
Range To146.1.1.255
Showing 5 of 51
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.