BigDataCloud Logo

ASN Lookup Tool
AS4237 CSC-IGN-FTW-AS4237

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS4237
Organisation
DXC US Latin America Corporation
Name
CSC-IGN-FTW-AS4237
Total IPv4 Addresses
57,088
Total IPv4 Prefixes
16
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,918 out of 78,154
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1999-06-25
Registration Last Change
2021-12-13
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
AS3360
US flagDXC US Latin America Corporation
AS206
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).

Prefix20.137.0.0/21
Range From20.137.0.0
Range To20.137.7.255
Prefix20.137.12.0/23
Range From20.137.12.0
Range To20.137.13.255
Prefix20.137.14.0/23
Range From20.137.14.0
Range To20.137.15.255
Prefix20.137.176.0/21
Range From20.137.176.0
Range To20.137.183.255
Prefix20.137.184.0/21
Range From20.137.184.0
Range To20.137.191.255
Showing 5 of 16
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.