Data as of Nov 6, 2026
171.251.16.0/21
2 residential-proxy exits · 30 daysViettel Group
Residential-proxy exits
Proxy exits
2
0.10% of its addresses · 30 days
Spread
2 of 8
/24s with at least one exit
Providers
7
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
10 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 171.251.18.0/24 | 0 | 1 | |
| 171.251.21.0/24 | 0 | 1 |
Proxy providers listing exits
- CatProxies
- IPFly
- IPPeak
- InfiniteProxies
- NovaProxy
- ProxyGeo
- Thordata
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 171.248.0.0/14 since Apr 2011 | AS7552 | Residential | 35,136 3,261 always on | Viettel Group | |
| 171.248.0.0/13 since Apr 2011 | AS7552 | Residential | 80,640 4,555 always on | Viettel Group | |
| 171.224.0.0/11 | AS7552 | Residential | 283,007 13,623 always on | Viettel Group |
Network & registry
Origin network
AS7552
VN
- Name
- Viettel Group
- Type
- Internet provider
- Registered
- Oct 8, 2002
- Domain
- viettel.com.vn
- Website
- www.viettel.com.vn
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 1
- Tor exits
- 1
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2015
- Current origin since
- Dec 2017 · 8.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 171.224.0.0/11 | AS7552 | /24 | APNIC | RPKI valid |
| 171.224.0.0/11 | AS24086 | /24 | APNIC | Another network |
| 171.224.0.0/11 | AS38731 | /24 | APNIC | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 171.251.16.0/22 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 171.251.16.0/23 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 171.251.16.0/24 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 171.251.17.0/24 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 171.251.18.0/23 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 171.251.18.0/24 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 171.251.19.0/24 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 171.251.20.0/22 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 171.251.20.0/23 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 171.251.20.0/24 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 171.251.21.0/24 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 171.251.22.0/23 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 171.251.22.0/24 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 171.251.23.0/24 | AS7552 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 171.
224. 0. 0/ 11 - Netname
- VIETTEL-VN
- Registrant
- Viettel Group
- Registrant country
- VN
- Organization
- Viettel Group
- Org country
- VN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 11, 2017
- Maintainer
- MAINT-VN-VNNIC
- RIR
- APNIC
- Country
- VN
- Delegated
- Mar 4, 2011
- Status
- assigned
Report abuse
Abuse contact
- hm-changed@
vnnic. vn - Name
- IRT-VNNIC-AP
- Handle
- IRT-VNNIC-AP