Data as of Nov 6, 2026
81.20.255.0/24
7 residential-proxy exits · 30 daysNOS Comunicacoes, S.A. · space held by NOS Acores Comunicacoes, S.A.
Residential-proxy exits
Proxy exits
7
2.7% of its addresses · 30 days
Providers
27
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
894 observations
Proxy providers listing exits
- 2Extract
- Ake.net
- AnyIP
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- EnigmaProxy
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- GonzoProxy
- Infatica
- LemonBright
- LightningProxies
- MangoProxy
- NodeProxy
- NovaProxy
- Proxiware
- Proxy-Seller
- ProxyEmpire
- Proxyma
- Shifter
- VantageProxies
- VitalExclusive
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 81.20.240.0/20 since Apr 2007 | AS42580 | Residential | 187 15 always on | NOS Acores Comunicacoes, S.A. |
Network & registry
Announced by
Covering announcement 81.20.252.0/22
- Prefix
- 81.20.252.0/22
- Announced by
- AS2860 NOS Comunicacoes, S.A.
- Type
- Residential
- Proxy exits
- 27
- Always-on exits
- 3
- RPKI
- RPKI valid
- Netname
- TVACOREANA
- Registrant
- NOS Acores Comunicacoes, S.A.
- RIR
- RIPE NCC
Origin network
AS2860
PT
- Name
- NOS Comunicacoes, S.A.
- Type
- Internet provider
- Registered
- Jan 18, 1994
- Domain
- nos.pt
- Website
- www.nos.pt
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
81.20.252.0/22
Routing history
- Pattern
- Reactivated
- First seen
- Feb 2012
- Current origin since
- Nov 2024 · 2.0 yr
- Origin networks
- 2
- Last change of origin
- Nov 2024
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 81.20.252.0/22 | AS2860 | /22 | RIPE | RPKI valid |
| 81.20.240.0/20 | AS2860 | /20 | RIPE | Too specific |
| 81.20.240.0/20 | AS42580 | /20 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 81.
20. 240. 0/ 20 - Netname
- TVACOREANA
- Registrant
- NOS Acores Comunicacoes, S.A.
- Registrant country
- PT
- Organization
- NOS Acores Comunicacoes, S.A. (ORG-CTAS1-RIPE)
- Org country
- PT
- Type
- ASSIGNED PI
- Created
- Mar 26, 2002
- Updated
- Sep 19, 2016
- Maintainer
- RIPE-NCC-END-MNT
- RIR
- RIPE NCC
- Country
- PT
- Delegated
- Mar 26, 2002
- Status
- assigned
Report abuse
Abuse contact
- abuse@
nos-acores. pt - Name
- Abuse-C Role
- Handle
- AR16480-RIPE