Data as of Nov 6, 2026
104.153.243.0/24
No anonymizer space · no proxy exits in 30 daysEducation Service Center
Network & registry
Announced by
Covering announcement 104.153.240.0/22
- Prefix
- 104.153.240.0/22
- Announced by
- AS14382 Education Service Center
- Type
- Business
- Proxy exits
- 1
- RPKI
- No RPKI
- Netname
- ESC13-3
- Registrant
- Education Service Center
- RIR
- ARIN
Origin network
AS14382
US
- Name
- Education Service Center
- Type
- Education
- Registered
- Jun 18, 2007
- Domain
- esc13.net
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 104.153.240.0/22
104.153.240.0/22
Routing history
- Pattern
- Stable
- First seen
- Aug 2014
- Current origin since
- Aug 2014 · 12 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 104.
153. 240. 0/ 22 - Netname
- ESC13-3
- Registrant
- Education Service Center
- Organization
- Education Service Center (ESC-3)
- Org address
- 5701 Springdale Road, Austin, TX, 78723
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-104-153-240-0-1
- Parent
- NET-104-0-0-0-0
- Created
- Aug 19, 2014
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 19, 2014
- Status
- assigned
Report abuse
Abuse contact
- Trey.
George@ esc13. txed. net - Name
- George, Trey
- Phone
- +1-512-919-5383
- Handle
- GEORG437-ARIN