// ASN
AS21942
RESERVED, ZZ
Detailed information about the Autonomous System. Need another one? Look up a different ASN.
- ASN
- AS21942
- Organization
- ON SEMICONDUCTOR
- Description
- RESERVED, ZZ
- Country
- US
- State / Region
- AZ
- City
- PHOENIX
- Address
- 5005 E. MC DOWELL RD
- Registry (RIR)
- ARIN
- Created
- 2005-11-23
- Updated
- 2015-10-19
- IPv4 Prefixes
- 1
- IPv6 Prefixes
- 0
IPv4 Prefixes
1 total91.199.164.0/24
What is AS21942?
AS21942 is an Autonomous System Number (ASN) assigned to ON SEMICONDUCTOR. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.
Looking for more ASN data?
Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.