Data as of Nov 7, 2026
64.129.39.0/24
No anonymizer space · no proxy exits in 30 daysKirby Corporation · space held by Level 3 Parent, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Jun 2026
from AS63153 Stewart & Stevenson LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 64.128.0.0/15 since Oct 2016 | AS3549 | Internet provider | 36 2 always on | Level 3 Parent, 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 |
|---|---|---|---|---|---|---|
| 64.128.0.0/15 | 131,072 | TWTC-NETBLK-11 | Level 3 Parent, LLC (LPL-141) · US | Direct Allocation | Apr 26, 2004 | abuse@ |
| └ 64.129.39.0/24 | 256 | LVLC-KRBY | Kirby Corporation (KIRBY-4) · US | Reassigned | Mar 15, 2017 | — |
Network & registry
IPv4 market
Holder
- Organization
- Level 3 Parent, LLC
- Handle
- LPL-141
- Range
- 64.
128. 0. 0/ 15 - Registration type
- Direct Allocation
- Record created
- Apr 26, 2004
Origin network
AS396245
US
- Name
- Kirby Corporation
- Type
- Business
- Registered
- Apr 13, 2017
- Domain
- kmtc.com
- Industry
- Buildings, Repair, Maintenance (Pest Control, Landscaping, Cleaning, Locksmiths, Car Washes, etc)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jan 2011
- Current origin since
- Jun 2026 · 4 mo
- Origin networks
- 4
- Last change of origin
- Jun 2026
Recorded history
History
- Handoffs
- 4
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS396245 | RADB | HOU Customer | MAINT-AS13767 | Apr 30, 2025 |
Whois
Registration for this announcement
- Range
- 64.
129. 39. 0/ 24 - Netname
- LVLC-KRBY
- Registrant
- Kirby Corporation
- Organization
- Kirby Corporation (KIRBY-4)
- Org address
- 55 WAUGH DR STE 1000, HOUSTON, TX, 77007
- Org country
- US
- Type
- Reassigned
- Handle
- NET-64-129-39-0-1
- Parent
- NET-64-128-0-0-1
- Created
- Mar 15, 2017
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 26, 2004
- Status
- assigned
Report abuse
Abuse contact
- abuse@
level3. com - Name
- L3 Abuse Contact
- Phone
- +1-877-453-8353
- Handle
- LAC56-ARIN