Data as of Nov 11, 2026
154.18.239.0/24
4 residential-proxy exits · 30 daysUltahost, Inc. · space held by Cogent Communications, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Jun 2026
from AS174 Cogent Communications, LLC
Residential-proxy exits
Proxy exits
4
1.6% of its addresses · 30 days
Providers
21
selling exits here
Oct 12, 2026 – Nov 10, 2026
Exits seen per day
38 observations
Proxy providers listing exits
- BartProxies
- BirdProxies
- BottingTools
- Byteful
- FlashProxy
- FlexyProxies
- GSocks
- Geonix
- GonzoProxy
- IPFly
- Infatica
- MangoProxy
- NodeProxy
- NovaProxy
- Proxy-Seller
- ProxyEmpire
- ProxyRack
- PuraRoute
- RainProxy
- Shifter
- VitalExclusive
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 154.18.0.0/15 since Oct 2008 | AS174 | Internet provider | 883 160 always on |
Network & registry
Origin network
AS44259
US
- Name
- Ultahost, Inc.
- Type
- Hosting
- Registered
- Dec 13, 2007
- Domain
- ultahost.com
- Website
- ultahost.com/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Dec 2024
- Current origin since
- Jun 2026 · 5 mo
- Origin networks
- 2
- Last change of origin
- Jun 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 154.
18. 0. 0/ 16 - Netname
- COGENT-154-18-16
- 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-154-18-0-0-1
- 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