Data as of Nov 7, 2026
103.221.253.0/24
21 residential-proxy exits · 30 daysuniversity of dhaka
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
0 / 100 · Low
Proxy exits nearby
Residential-proxy exits
Proxy exits
21
8.2% of its addresses · 30 days
Always-on exits
4
19% of its exits
Providers
60
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
6.0K observations
Proxy providers listing exits
- 2Captcha
- 711Proxy
- Ake.net
- AnyIP
- BestProxy
- BirdProxies
- BottingTools
- Bright Data
- ByteProxies
- Byteful
- CatProxies
- DataImpulse
- Decodo
- EZProxies
- Evomi
- FastProxy
- FlashProxy
- FloppyData
- GSocks
- Geonix
- Geonode
- GloryCloud
- GonzoProxy
- IPFly
- IPOasis
- IPRoyal
- Infatica
- InfiniteProxies
- Kookey
- LemonBright
- MangoProxy
- Maskify
- NSocks
- NiuProxy
- NodeMaven
- NodeProxy
- NovaProxy
- Novada
- Oxylabs
- PacketStream
- Proxiware
- Proxy-Cheap
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxyma
- PuraRoute
- RainProxy
- Shifter
- Smartproxy
- StrikeProxy
- SwiftProxy
- Thordata
- ThunderProxy
- VibeProxies
- VitalExclusive
- VitalProxy
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 103.221.252.0/23 since Aug 2025 | AS135524 | Business | 22 4 always on | university of dhaka | |
| 103.221.252.0/22 since Feb 2026 | AS135524 | Business | 101 15 always on | university of dhaka |
Network & registry
Origin network
AS135524
BD
- Name
- university of dhaka
- Type
- Education
- Registered
- Jun 2, 2016
- Domain
- univdhaka.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2016
- Current origin since
- Mar 2019 · 7.6 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.221.253.0/24 | AS135524 | /24 | APNIC | RPKI valid |
| 103.221.252.0/23 | AS135524 | /23 | APNIC | Too specific |
| 103.221.252.0/22 | AS135524 | /22 | APNIC | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS135524 | APNIC | Dhaka University - Route Object | MAINT-UNIVERSITYOFDHAKA-BD | Jun 5, 2016 |
Whois
Registration for this announcement
- Range
- 103.
221. 252. 0/ 22 - Netname
- UNIVERSITYOFDHAKA-BD
- Registrant
- university of dhaka
- Registrant country
- BD
- Organization
- Not stated by the registry
- Type
- ASSIGNED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 10, 2021
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- BD
- Delegated
- Jun 3, 2016
- Status
- assigned
Report abuse
Abuse contact
- tanvir@
du. ac. bd - Name
- ABUSE UNIVERSITYOFDHAKABD
- Handle
- AU249-AP