Data as of Nov 7, 2026
138.5.248.0/24
No anonymizer space · no proxy exits in 30 daysCloudflare London, LLC · space held by State University of New York Downstate Health Sciences University
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 138.5.248.0/21 since Jun 2023 | AS7046 | Business | State University of New York Downstate Health Sciences University |
Network & registry
Origin network
AS209242
US
- Name
- Cloudflare London, LLC
- Type
- Hosting
- Registered
- Mar 13, 2019
- Domain
- cloudflare.com
- Website
- www.cloudflare.com/
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 5
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jun 2023
- Current origin since
- Jun 2023 · 3.4 yr
- Origin networks
- 2
- Last change of origin
- Jun 2023
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS209242 | ARIN | State University of New York Downstate Health Sciences University | MNT-SHSC-Z | Jul 5, 2023 |
Whois
Registration for this announcement
- Range
- 138.
5. 0. 0/ 16 - Netname
- SNYBKLYN
- Registrant
- State University of New York Downstate Health Sciences University
- Organization
- State University of New York Downstate Health Sciences University (SHSC-Z)
- Org address
- 450 Clarkson Avenue, Brooklyn, NY, 11203
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-138-5-0-0-1
- Parent
- NET-138-0-0-0-0
- Created
- Dec 14, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 14, 1992
- Status
- assigned
Report abuse
Abuse contact
- jason.
wei@ downstate. edu - Name
- Wei, Jason
- Phone
- +1-646-372-7786
- Handle
- JWE31-ARIN