Data as of Nov 13, 2026
81.51.136.0/21
1 residential-proxy exit · 30 daysOrange S.A.
Residential-proxy exits
Proxy exits
1
0.05% of its addresses · 30 days
Spread
3 of 8
/24s with at least one exit
Oct 14, 2026 – Nov 12, 2026
Exits seen per day
7 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 81.51.140.0/24 | 0 | 1 | |
| 81.51.141.0/24 | 0 | 1 | |
| 81.51.142.0/24 | 0 | 1 |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 81.48.0.0/13 | 524,288 | FR-TELECOM-20020325 | Orange S.A. (ORG-FT2-RIPE) · FR | ALLOCATED PA | Sep 16, 2002 | gestionip. |
| └ 81.51.136.0/21 | 2,048 | IP2000-ADSL-BAS | POP NCY | ASSIGNED PA | Apr 7, 2019 | gestionip. via FR-TELECOM-20020325 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 81.51.128.0/17
- Prefix
- 81.51.128.0/17
- Announced by
- AS3215 Orange S.A.
- Type
- Residential
- Proxy exits
- 353
- Always-on exits
- 35
- RPKI
- RPKI valid
- Netname
- FR-TELECOM-20020325
- Registrant
- Orange S.A.
- RIR
- RIPE NCC
Origin network
AS3215
FR
- Name
- Orange S.A.
- Type
- Internet provider
- Registered
- Apr 15, 1994
- Domain
- orange.com
- Website
- wholesale.orange.com/france/fr/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 81.51.128.0/17
81.51.128.0/17
Routing history
- Pattern
- Stable
- First seen
- May 2018
- Current origin since
- May 2018 · 8.5 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 81.51.0.0/16 | AS3215 | /24 | RIPE | RPKI valid |
IRR
Route objects on 81.51.128.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3215 | RIPE | France Telecom | FT-BRX | Jul 30, 2018 |
Whois
Registration for this announcement
- Range
- 81.
48. 0. 0/ 13 - Netname
- FR-TELECOM-20020325
- Registrant
- Orange S.A.
- Registrant country
- FR
- Organization
- Orange S.A. (ORG-FT2-RIPE)
- Org country
- FR
- Type
- ALLOCATED PA
- Created
- Sep 16, 2002
- Updated
- Feb 3, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- FR
- Delegated
- Mar 25, 2002
- Status
- assigned
Report abuse
Abuse contact
- gestionip.
ft@ orange. com - Name
- Local Internet Registry Orange fr.telecom
- Handle
- BRX1-RIPE