Data as of Nov 8, 2026
209.237.208.0/24
No anonymizer space · no proxy exits in 30 daysTwitter Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Jul 2026
from AS54888 Twitter Inc.
Network & registry
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2012
- Current origin since
- Jul 2026 · 3 mo
- Origin networks
- 4
- Last change of origin
- Jul 2026
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 209.237.208.0/24 | AS54888 | /24 | ARIN | Another network |
| 209.237.208.0/24 | AS63179 | /24 | ARIN | RPKI valid |
| 209.237.192.0/19 | AS54888 | /19 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 209.
237. 192. 0/ 19 - Netname
- TWITT
- Registrant
- Twitter Inc.
- Organization
- Twitter Inc. (TWITT)
- Org address
- 1355 Market Street, San Francisco, CA, 94103
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-209-237-192-0-1
- Parent
- NET-209-0-0-0-0
- Created
- Sep 18, 2017
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 18, 2017
- Status
- assigned
Report abuse
Abuse contact
- net-abuse@
twitter. com - Name
- Twitter Network Abuse
- Phone
- +1-415-222-9670
- Handle
- TNA33-ARIN