Data as of Nov 12, 2026
154.3.238.0/24
12 residential-proxy exits · 30 daysLimestone Networks, Inc. · reallocated from Cogent Communications, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Sep 2026
from AS174 Cogent Communications, LLC, after 1.1 years unannounced
Residential-proxy exits
Proxy exits
12
4.7% of its addresses · 30 days
Oct 13, 2026 – Nov 11, 2026
Exits seen per day
288 observations
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 154.3.0.0/16 since Sep 2006 | AS174 | Internet provider | 447 202 always on | Cogent Communications, LLC |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 154.3.0.0/16 | 65,536 | COGENT-154-3-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | abuse@ |
| └ 154.3.238.0/24 | 256 | LIMESTONE-NETWORKS-CGNT-NET-36 | Limestone Networks, Inc. (LIMES-2) · US | Reallocated | Apr 6, 2026 | abuse@ |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 154.
3. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Feb 5, 1992
- Legacy
- yes
- Reallocated to
- Limestone Networks, Inc. (LIMES-2)
- Reallocated range
- 154.
3. 238. 0/ 24 - Reallocated
- Apr 6, 2026
Origin network
AS46475
US
- Name
- Limestone Networks, Inc.
- Type
- Hosting
- Registered
- Sep 29, 2008
- Domain
- limestonenetworks.com
- Website
- www.limestonenetworks.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 719
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Apr 2019
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 2
- Last change of origin
- Sep 2026
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS46475 | ARIN | Route Registered for Cogent Communications Customer - Limestone Networks | MNT-COGC | Apr 6, 2026 |
Whois
Registration for this announcement
- Range
- 154.
3. 238. 0/ 24 - Netname
- LIMESTONE-NETWORKS-CGNT-NET-36
- Registrant
- Limestone Networks, Inc.
- Organization
- Limestone Networks, Inc. (LIMES-2)
- Org address
- 400 S. Akard Street, Dallas, TX, 75202
- Org country
- US
- Type
- Reallocated
- Handle
- NET-154-3-238-0-1
- Parent
- NET-154-3-0-0-1
- Created
- Apr 6, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
limestonenetworks. com - Name
- Abuse
- Phone
- +1-214-586-0555
- Handle
- ABUSE1804-ARIN