Data as of Nov 9, 2026
163.5.73.0/24
Anonymizer · ISP proxyOrange S.A. · space held by Ionis Group - Ionis Schools of Technology and Management SAS
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Aug 2026
from AS5511 Orange S.A., after 1.9 years unannounced
IPv4 market
Path
Announced by AS5511 since Aug 2026 · 3 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 163.5.73.0/24 | /24s |
|---|---|---|
| IPXO | 256100% | 1 |
Leased from
Owners leasing their own space
| Name | In 163.5.73.0/24 | /24s |
|---|---|---|
| Ionis Group - Ionis Schools of Technology and Management SAS | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
163.5.73.0/24
From the registry to its use
- May 21, 2021– Jun 1, 2021
- Aug 13, 2021– Jan 17, 2024
- Jun 23, 2022Registry recordIonis Group - Ionis Schools of Technology and Management SASALLOCATED PA163.5.0.0/16
- Jan 30, 2024– May 4, 2024AnnouncedAS210164 HumzaCJ LTD
- Apr 23, 2024– May 4, 2024
- Apr 23, 2024– Jul 3, 2024
- Jul 4, 2024– Jul 15, 2024
- Jul 4, 2024– Sep 25, 2024
- Jul 21, 2024Route objectIPXORIPE route object for AS5511 Orange S.A., maintainer NETUTILS-MNT
- Aug 11, 2026– today
- Aug 12, 2026AssignedOrange Business Germany GmbHASSIGNED PA163.5.73.0/24
- todayRoute objectIPXORADB route object for AS5511 Orange S.A., maintainer MAINT-AS834
- todayLeased fromIPXOIP broker
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 |
|---|---|---|---|---|---|---|
| 163.5.0.0/16 | 65,536 | FR-IONIS-19920629 | Ionis Group - Ionis Schools of Technology and Management SAS (ORG-FIGS1-RIPE) · FR | ALLOCATED PA | Jun 23, 2022 | jonathan. |
| └ 163.5.73.0/24 | 256 | IONIS-163-5-73 | Orange Business Germany GmbH (ORG-OBGG1-RIPE) · DE | ASSIGNED PA | Aug 12, 2026 | report@ |
Network & registry
IPv4 market
Holder
- Organization
- Ionis Group - Ionis Schools of Technology and Management SAS
- Handle
- ORG-FIGS1-RIPE
- Range
- 163.
5. 0. 0/ 16 - Registration type
- ALLOCATED PA
- Record created
- Jun 23, 2022
Origin network
AS5511
FR
- Name
- Orange S.A.
- Type
- Internet provider
- Registered
- Jan 8, 1996
- Domain
- orange.com
- Website
- wholesale.orange.com/international/en/our-solutions/ip-content-distribution.html
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 1
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2021
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 5
- Last change of origin
- Jul 2024
Recorded history
History
- Handoffs
- 5
Whois
Registration for this announcement
- Range
- 163.
5. 73. 0/ 24 - Netname
- IONIS-163-5-73
- Registrant
- Orange Business Germany GmbH
- Registrant country
- DE
- Organization
- Orange Business Germany GmbH (ORG-OBGG1-RIPE)
- Org country
- DE
- Type
- ASSIGNED PA
- Created
- Aug 12, 2026
- Updated
- Aug 14, 2026
- Maintainer
- lir-fr-ionis-1-MNT
- RIR
- RIPE NCC
- Country
- FR
- Delegated
- Jun 29, 1992
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Internet Utilities Abuse Contact
- Handle
- AR834