Data as of Nov 7, 2026
38.17.72.0/21
28 residential-proxy exits · 30 daysSociedade de Investimento e Participacoes S.A - Finstar - Sociedade de Investimento e Participacoes S.A · space held by Cogent Communications, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Oct 22, 2026
its first announcement on record
Residential-proxy exits
Proxy exits
28
1.4% of its addresses · 30 days
Spread
2 of 8
/24s with at least one exit
Providers
26
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
547 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 38.17.72.0/24 | 0 | 17 | |
| 38.17.73.0/24 | 0 | 11 |
Proxy providers listing exits
- 711Proxy
- Ake.net
- Byteful
- CatProxies
- DataImpulse
- Decodo
- EnigmaProxy
- Evomi
- FastProxy
- Geonode
- GhostConnect
- HideProxy
- InfiniteProxies
- KindProxy
- LudaxProxy
- Maskify
- NovaProxy
- ProxiesVision
- ProxyEmpire
- ProxyGeo
- ProxyRack
- RainProxy
- RapidProxy
- Shifter
- VantageProxies
- ZENPROXY_LITE
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 38.0.0.0/8 | AS174 | Internet provider | IP broker Rackdog (part) | 404,266 78,035 always on | Cogent Communications, LLC |
Network & registry
Origin network
AS37645
AO
- Name
- Sociedade de Investimento e Participacoes S.A - Finstar - Sociedade de Investimento e Participacoes S.A
- Type
- Internet provider
- Registered
- Oct 28, 2013
- Domain
- zap.co.ao
- Website
- www.zap.co.ao
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 22, 2026
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 38.17.72.0/21 | AS37645 | /22 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 38.
0. 0. 0/ 8 - Netname
- COGENT-A
- Registrant
- Cogent Communications, LLC
- Organization
- Cogent Communications, LLC (COGC)
- Org address
- 2450 N Street NW, Washington, DC, 20037
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-38-0-0-0-1
- Created
- Apr 16, 1991
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 16, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN