Data as of Nov 9, 2026
206.53.226.0/23
No anonymizer space · no proxy exits in 30 daysHoffmann - La Roche Ltd. · space held by LightBound, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Aug 2026
from AS18535 Hoffmann LaRoche, Inc., after 5.9 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 206.53.224.0/19 since May 2026 | AS13767 | Hosting | LightBound, 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 |
|---|---|---|---|---|---|---|
| 206.53.224.0/19 | 8,192 | IQUEST-BLK | LightBound, LLC (IQUEST) · US | Direct Allocation | Jun 26, 1995 | networking@ |
| └ 206.53.226.0/23 | 512 | LTB-ROCHE-BLK-1 | Hoffmann LaRoche, Inc. (HOFFMA-41) · US | Reassigned | Aug 19, 2011 | — |
Network & registry
Registry
Holder
- Organization
- LightBound, LLC
- Handle
- IQUEST
- Range
- 206.
53. 224. 0/ 19 - Registration type
- Direct Allocation
- Record created
- Jun 26, 1995
- Legacy
- yes
Origin network
AS2047
CH
- Name
- Hoffmann - La Roche Ltd.
- Type
- Business
- Registered
- May 26, 1994
- Domain
- roche.com
- Website
- www.roche.com
- Industry
- Chemical and Pharmaceutical Manufacturing
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- May 2005
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 3
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 2
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 206.53.226.0/24 | AS18535 | ARIN | HOFFMA-41 Indianapolis DMZ - US | MNT-HOFFMA-41 | Nov 8, 2018 |
| 206.53.227.0/24 | AS18535 | ARIN | HOFFMA-41 Indianapolis DMZ - US | MNT-HOFFMA-41 | Nov 8, 2018 |
Whois
Registration for this announcement
- Range
- 206.
53. 226. 0/ 23 - Netname
- LTB-ROCHE-BLK-1
- Registrant
- Hoffmann LaRoche, Inc.
- Organization
- Hoffmann LaRoche, Inc. (HOFFMA-41)
- Org address
- 9115 Hague Road, Indianapolis, IN, 46256
- Org country
- US
- Type
- Reassigned
- Handle
- NET-206-53-226-0-1
- Parent
- NET-206-53-224-0-1
- Created
- Aug 19, 2011
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 26, 1995
- Status
- assigned
Report abuse
Abuse contact
- global.
hostmaster@ roche. com - Name
- Global Hostmaster
- Phone
- +34913248100
- Handle
- GLOBA1-ARIN