Data as of Nov 8, 2026
83.143.168.0/21
1,280 anonymizer addresses · 63% · ISP proxyAire Networks del Mediterraneo SL Unipersonal · space held by European IO-N Investment Group SL
IPv4 market
Path
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 83.143.168.0/21 | /24s |
|---|---|---|
| European IO-N | 1,28063% | 5 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
83.143.168.0/21
From the registry to its use
- Jul 8, 2005– Mar 8, 2010Announced
- Mar 15, 2010– Apr 1, 2013
- Apr 8, 2013– May 31, 2019Announced
- May 20, 2019– Oct 11, 2021AnnouncedAS209820 Bitwise Ops SRL
- Oct 20, 2021Registry recordEuropean IO-N Investment Group SLASSIGNED PI83.143.168.0/21
- Feb 9, 2022– today
- May 7, 2026Route objectAS29119 Aire Networks del Mediterraneo SL UnipersonalRIPE route object for AS29119 Aire Networks del Mediterraneo SL Unipersonal, maintainer LIR-ES-EUROPEAN-1-MNT MNT-ES-AIRENETWORKS-183.143.174.0/24
- May 11, 2026Route objectAS198486 Magna Pars Internet Technologies LTDRIPE route object for AS198486 Magna Pars Internet Technologies LTD, maintainer LIR-ES-EUROPEAN-1-MNT MNT-ES-AIRENETWORKS-183.143.174.0/24
- Oct 29, 2026Route objectAS29119 Aire Networks del Mediterraneo SL UnipersonalRIPE route object for AS29119 Aire Networks del Mediterraneo SL Unipersonal, maintainer LIR-ES-EUROPEAN-1-MNT MNT-ES-AIRENETWORKS-183.143.174.0/23
- todayLeased fromEuropean IO-NLessor
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Leased from | Holder | RPKI |
|---|---|---|---|---|---|
| 83.143.168.0/24 since Dec 2025 | AS10753 | ISP proxy | Lessor European IO-N | European IO-N Investment Group SL | |
| 83.143.169.0/24 since Dec 2025 | AS10753 | ISP proxy | Lessor European IO-N | European IO-N Investment Group SL | |
| 83.143.170.0/24 since Dec 2025 | AS10753 | ISP proxy | Lessor European IO-N | European IO-N Investment Group SL | |
| 83.143.172.0/24 since Dec 2025 | AS10753 | ISP proxy | Lessor European IO-N | European IO-N Investment Group SL | |
| 83.143.173.0/24 since Dec 2025 | AS10753 | ISP proxy | Lessor European IO-N | European IO-N Investment Group SL |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| ISP proxyanonymizer | 1,280 | 63% | 5 | |
| Unknown | 768 | 38% | 2 |
Network & registry
Origin network
AS29119
ES
- Name
- Aire Networks del Mediterraneo SL Unipersonal
- Type
- Internet provider
- Registered
- Jun 10, 2003
- Domain
- airenetworks.es
- Website
- www.airenetworks.es/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jul 2005
- Current origin since
- Feb 2022 · 4.7 yr
- Origin networks
- 4
- Last change of origin
- Feb 2022
Recorded history
History
- Handoffs
- 4
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 83.143.168.0/21 | AS29119 | /21 | RIPE | RPKI valid |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 83.143.174.0/23 | AS29119 | RIPE | Fostera | LIR-ES-EUROPEAN-1-MNT MNT-ES-AIRENETWORKS-1 | Oct 29, 2026 |
| 83.143.174.0/24 | AS29119 | RIPE | European | LIR-ES-EUROPEAN-1-MNT MNT-ES-AIRENETWORKS-1 | May 7, 2026 |
| 83.143.174.0/24 | AS198486 | RIPE | Fostera | LIR-ES-EUROPEAN-1-MNT MNT-ES-AIRENETWORKS-1 | May 11, 2026 |
Whois
Registration for this announcement
- Range
- 83.
143. 168. 0/ 21 - Netname
- CA-SC-NET
- Registrant
- European IO-N Investment Group SL
- Registrant country
- CA
- Organization
- European IO-N Investment Group SL (ORG-EIIG1-RIPE)
- Org country
- ES
- Type
- ASSIGNED PI
- Created
- Oct 20, 2021
- Updated
- Apr 1, 2026
- Maintainer
- lir-es-european-1-MNT
- RIR
- RIPE NCC
- Country
- ES
- Delegated
- Jun 28, 2005
- Status
- assigned
Report abuse
Abuse contact
- tech@
grupo-ion. es - Name
- European Abuse contacts
- Handle
- AR65469-RIPE