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ASN Lookup Tool
AS21639 BCBSLA-ASN

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21639
Organisation
Blue Cross Blue Shield Of Louisiana
Name
BCBSLA-ASN
Total IPv4 Addresses
264
Total IPv4 Prefixes
2
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#58,374 out of 77,684
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2011-01-20
Registration Last Change
2019-09-13
Receiving From

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

ASN
Organisation
AS7018
US flagAT&T Services, Inc.
AS22773
US flagCox Communications Inc.
AS1239
US flagSprint
AS2914
US flagNTT America, Inc.
AS6461
US flagZayo Bandwidth
Showing 5 of 6
IPv4 Active Prefixes

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

Prefix66.248.253.0/24
Range From66.248.253.0
Range To66.248.253.255
Prefix165.254.60.216/29
Range From165.254.60.216
Range To165.254.60.223
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.