Data as of Nov 7, 2026
91.143.144.0/21
14 residential-proxy exits · 30 daysUniversity of Delaware · space held by "South telephone company" LLC
Residential-proxy exits
Proxy exits
14
0.68% of its addresses · 30 days
Spread
5 of 8
/24s with at least one exit
Providers
29
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
259 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 91.143.149.0/24 | 0 | 5 | |
| 91.143.146.0/24 | 0 | 3 | |
| 91.143.150.0/24 | 0 | 3 | |
| 91.143.148.0/24 | 0 | 2 | |
| 91.143.147.0/24 | 0 | 1 |
Proxy providers listing exits
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- DataImpulse
- EnigmaProxy
- GSocks
- Geonix
- GloryCloud
- IPFly
- Infatica
- KindProxy
- Kookey
- LemonLabs
- MangoProxy
- NodeProxy
- NovaProxy
- Novada
- Proxy-Seller
- ProxyEmpire
- ProxyRack
- Proxyma
- PuraRoute
- RainProxy
- RapidProxy
- Shifter
- VantageProxies
- VitalExclusive
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 91.143.144.0/20 | 4,096 | RU-UTC-20061101 | "South telephone company" LLC (ORG-UL20-RIPE) · RU | ALLOCATED PA | Nov 1, 2006 | mike@ |
| └ 91.143.144.0/21 | 2,048 | UTCNET | "South telephone company" LLC (ORG-UL20-RIPE) · RU | ASSIGNED PA | Nov 1, 2006 | mike@ |
Network & registry
Announced by
Covering announcement 91.143.144.0/20
- Prefix
- 91.143.144.0/20
- Announced by
- AS2 University of Delaware
- Type
- Business
- Proxy exits
- 15
- Always-on exits
- 1
- RPKI
- No RPKI
- Netname
- RU-UTC-20061101
- Registrant
- "South telephone company" LLC
- RIR
- RIPE NCC
Origin network
AS2
US
- Name
- University of Delaware
- Type
- Education
- Registered
- Jan 10, 1991
- Domain
- udel.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 91.143.144.0/20
91.143.144.0/20
Routing history
- Pattern
- Stable
- First seen
- Nov 2006
- Current origin since
- Feb 2017 · 9.7 yr
- Origin networks
- 2
- Last change of origin
- Feb 2017
Recorded history
History
- Handoffs
- 1
IRR
Route objects on 91.143.144.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS41837 not the origin | RIPE | South Telephony Company LTD | UTC-RIPE-MNT | Nov 1, 2006 |
Whois
Registration for this announcement
- Range
- 91.
143. 144. 0/ 20 - Netname
- RU-UTC-20061101
- Registrant
- "South telephone company" LLC
- Registrant country
- RU
- Organization
- "South telephone company" LLC (ORG-UL20-RIPE)
- Org country
- RU
- Type
- ALLOCATED PA
- Created
- Nov 1, 2006
- Updated
- Jan 11, 2019
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- RU
- Delegated
- Nov 1, 2006
- Status
- assigned
Report abuse
Abuse contact
- mike@
infranet. ru - Name
- Abuse-C Role
- Handle
- AR17026-RIPE