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ASN Lookup Tool
AS26380 MASTER-7-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS26380
Organisation
MasterCard Technologies LLC
Name
MASTER-7-AS
Total IPv4 Addresses
12543
Total IPv4 Prefixes
50
Total IPv6 Prefixes
4
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#8,364 out of 77,323
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2010-09-17
Registration Last Change
2012-03-02
Receiving From

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

ASN
Organisation
AS7018
US flagAT&T Services, Inc.
AS3356
US flagLevel 3 Parent, LLC
AS20115
US flagCharter Communications
AS4812
CN flagChina Telecom (Group) Shanghai Telecom Company S..
AS3257
US flagGTT Communications Inc.
Showing 5 of 18
IPv4 Active Prefixes

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

Prefix12.10.32.0/24
Range From12.10.32.0
Range To12.10.32.255
Prefix12.10.33.0/24
Range From12.10.33.0
Range To12.10.33.255
Prefix12.22.152.0/24
Range From12.22.152.0
Range To12.22.152.255
Prefix12.22.153.0/24
Range From12.22.153.0
Range To12.22.153.255
Prefix12.22.154.0/24
Range From12.22.154.0
Range To12.22.154.255
Showing 5 of 50
IPv6 Active Prefixes
Prefix2607:3c00:6404::/48
Range From2607:3c00:6404::
Range To2607:3c00:6404:ffff:ffff:ffff:ffff:ffff
Prefix2607:3c00:6405::/48
Range From2607:3c00:6405::
Range To2607:3c00:6405:ffff:ffff:ffff:ffff:ffff
Prefix2607:3c00:6414::/48
Range From2607:3c00:6414::
Range To2607:3c00:6414:ffff:ffff:ffff:ffff:ffff
Prefix2607:3c00:6415::/48
Range From2607:3c00:6415::
Range To2607:3c00:6415:ffff:ffff:ffff:ffff:ffff
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.