ASN Lookup Tool
AS21877 CSC-USA-AS21877

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21877
Organisation
DXC US Latin America Corporation
Name
CSC-USA-AS21877
Total IPv4 Addresses
43776
Total IPv4 Prefixes
14
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,383 out of 76,955
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2001-07-05
Registration Last Change
2021-12-13
Receiving From

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

ASN
Organisation
US flagAT&T Services, Inc.
US flagLevel 3 Parent, LLC
Transit To

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

 

ASN
Organisation
US flagDXC US Latin America Corporation
IPv4 Active Prefixes

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

Range From20.132.0.0
Range To20.132.7.255
Range From20.132.8.0
Showing 5 of 14
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.