Data as of Nov 15, 2026
154.48.203.0/24
No anonymizer space · no proxy exits in 30 daysYolla Calls International OU · space held by Cogent Communications, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Aug 2026
from AS41625 Express Teleservice Corp
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 154.48.0.0/12 since May 2005 | AS174 | Internet provider | 12,755 2,433 always on |
Network & registry
Origin network
AS215709
EE
- Name
- Yolla Calls International OU
- Type
- Business
- Registered
- Jan 16, 2024
- Domain
- yollacalls.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jun 2014
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 3
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 2
- Also announced by
- 41625
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS41625 not the origin | RADB | Route Registered for Cogent Communications Customer - Yolla Calls International OU | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 154.
48. 0. 0/ 16 - Netname
- COGENT-154-48-16
- Registrant
- Cogent Communications, LLC
- Organization
- Cogent Communications, LLC (COGC)
- Org address
- 2450 N Street NW, Washington, DC, 20037
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-154-48-0-0-1
- Parent
- NET-154-0-0-0-0
- Created
- Feb 5, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN