Data as of Nov 6, 2026
204.153.154.0/24
No anonymizer space · no proxy exits in 30 daysLevel 3 Parent, LLC · space held by Blue Cross and Blue Shield of Arizona Inc
Network & registry
Announced by
Covering announcement 204.153.154.0/23
- Prefix
- 204.153.154.0/23
- Announced by
- AS203 Level 3 Parent, LLC
- Type
- Business
- RPKI
- No RPKI
- Netname
- BCBSAZ2
- Registrant
- Blue Cross and Blue Shield of Arizona Inc
- RIR
- ARIN
Origin network
AS203
US
- Name
- Level 3 Parent, LLC
- Type
- Internet provider
- Registered
- Jun 5, 2002
- Domain
- level3.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 204.153.154.0/23
204.153.154.0/23
Routing history
- Pattern
- Rotating
- First seen
- Aug 2025
- Current origin since
- Sep 2025 · 1.2 yr
- Origin networks
- 2
- Last change of origin
- Sep 2025
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 204.
153. 152. 0/ 22 - Netname
- BCBSAZ2
- Registrant
- Blue Cross and Blue Shield of Arizona Inc
- Organization
- Blue Cross and Blue Shield of Arizona Inc (BCBSA)
- Org address
- 2444 W. Las Palmaritas Drive, Phoenix, AZ, 85021
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-153-152-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Dec 15, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 15, 1994
- Status
- assigned
Report abuse
Abuse contact
- itdcsnetwork@
azblue. com - Name
- Infrastructure Services
- Phone
- +1-602-864-4332
- Handle
- INFRA59-ARIN