Data as of Nov 13, 2026
77.77.51.0/24
9 residential-proxy exits · 30 daysUltraNET Ltd
Residential-proxy exits
Proxy exits
9
3.5% of its addresses · 30 days
Always-on exits
2
22% of its exits
Providers
44
selling exits here
Oct 14, 2026 – Nov 12, 2026
Exits seen per day
1.0K observations
Proxy providers listing exits
- 711Proxy
- Ake.net
- BestProxy
- BirdProxies
- BottingTools
- Byteful
- DataImpulse
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FloppyData
- Geonode
- IPRoyal
- Infatica
- InfiniteProxies
- Kookey
- LemonBright
- LemonPrime
- NSocks
- NiuProxy
- NodeProxy
- NovaProxy
- Novada
- Oxylabs
- PrivateProxy
- Proxiware
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyWing
- Proxyma
- RainProxy
- Shifter
- Smartproxy
- SwiftProxy
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
- Webshare
- ZENPROXY_PREMIUM
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 77.77.0.0/18 since Dec 2018 | AS39184 | Residential | 655 74 always on | UltraNET Ltd |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 77.77.0.0/18 | 16,384 | BG-ULTRANET-20070216 | UltraNET Ltd (ORG-UO129-RIPE) · BG | ALLOCATED PA | Feb 16, 2007 | abuse@ |
| └ 77. | 512 | ULTRANET-NET | UltraNET Ltd | ASSIGNED PA | Mar 19, 2008 | abuse@ via BG-ULTRANET-20070216 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- UltraNET Ltd
- Handle
- ORG-UO129-RIPE
- Range
- 77.
77. 0. 0/ 18 - Registration type
- ALLOCATED PA
- Record created
- Feb 16, 2007
Origin network
AS39184
BG
- Name
- UltraNET Ltd
- Type
- Internet provider
- Registered
- Dec 29, 2005
- Domain
- ultranet.biz
- Website
- www.ultranet.biz
- 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
- Apr 2008
- Current origin since
- Apr 2008 · 19 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 77.77.51.0/24 | AS39184 | /24 | RIPE | RPKI valid |
| 77.77.0.0/18 | AS39184 | /18 | RIPE | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS39184 | RIPE | UltraNET Ltd. C65 | MNT-BGULTRANET | Mar 19, 2008 |
Whois
Registration for this announcement
- Range
- 77.
77. 51. 0 - 77. 77. 52. 255 - Netname
- ULTRANET-NET
- Registrant
- UltraNET Ltd
- Registrant country
- BG
- Organization
- UltraNET Ltd
- Org country
- BG
- Type
- ASSIGNED PA
- Created
- Mar 19, 2008
- Updated
- Jul 18, 2008
- Maintainer
- MNT-BGULTRANET
- RIR
- RIPE NCC
- Country
- BG
- Delegated
- Feb 16, 2007
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ultranet. biz - Name
- Abuse Mailbox
- Handle
- UN1512-RIPE