Data as of Nov 9, 2026
128.137.0.0/16
No anonymizer space · no proxy exits in 30 daysHoffmann - La Roche Ltd. · space held by Genentech, Inc.
Network & registry
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
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- May 2005
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 2
- Last change of origin
- Dec 2025
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 128.137.132.0/22 | AS2047 | ARIN | RSN | MNT-GENENT | Jan 10, 2024 |
| 128.137.132.0/22 | AS2534 | ARIN | RSN Prefix | MNT-GENENT | Jan 11, 2024 |
| 128.137.132.0/23 | AS2534 | ALTDB | Proxy registration to prevent harm from ARIN-NONAUTH shutdown | MAINT-AS7034 | Apr 4, 2022 |
| 128.137.132.0/24 | AS2534 | ARIN | RSN SC1 Prefix | MNT-GENENT | Jan 10, 2024 |
| 128.137.132.0/24 | AS10725 | ARIN | 1 DNA Way | MNT-GENENT | Jun 10, 2024 |
| 128.137.132.0/24 | AS2534 | ALTDB | Proxy registration to prevent harm from ARIN-NONAUTH shutdown | MAINT-AS7034 | Apr 4, 2022 |
| 128.137.133.0/24 | AS2534 | ARIN | RSN Prefixes | MNT-GENENT | Jan 10, 2024 |
| 128.137.133.0/24 | AS18535 | ARIN | 1 DNA Way | MNT-GENENT | Feb 28, 2024 |
| 128.137.133.0/24 | AS2534 | ALTDB | Proxy registration to prevent harm from ARIN-NONAUTH shutdown | MAINT-AS7034 | Apr 4, 2022 |
| 128.137.134.0/24 | AS2047 | ARIN | 1 DNA Way | MNT-GENENT | Jun 10, 2024 |
| 128.137.134.0/24 | AS2534 | ARIN | Roche Science Network | MNT-GENENT | Jan 4, 2024 |
| 128.137.134.0/24 | AS2534 | ALTDB | Proxy registration to prevent harm from ARIN-NONAUTH shutdown | MAINT-AS7034 | Apr 4, 2022 |
| 128.137.135.0/24 | AS2534 | ARIN | SC1 RSN | MNT-GENENT | Jan 10, 2024 |
| 128.137.135.0/24 | AS10725 | ARIN | 1 DNA Way | MNT-GENENT | Jun 10, 2024 |
| 128.137.135.0/24 | AS2534 | ALTDB | Proxy registration to prevent harm from ARIN-NONAUTH shutdown | MAINT-AS7034 | Apr 4, 2022 |
Whois
Registration for this announcement
- Range
- 128.
137. 0. 0/ 16 - Netname
- GENNET1
- Registrant
- Genentech, Inc.
- Organization
- Genentech, Inc. (GENENT)
- Org address
- 1 DNA Way, South San Francisco, CA, 94080
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-128-137-0-0-1
- Parent
- NET-128-0-0-0-0
- Created
- Jul 8, 1986
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 8, 1986
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN