Data as of Nov 8, 2026
81.20.168.0/21
No anonymizer space · no proxy exits in 30 daysPJSC Rostelecom
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 |
|---|---|---|---|---|---|---|
| 81.20.160.0/20 | 4,096 | RU-RTK-20020205 | PJSC Rostelecom (ORG-JR8-RIPE) · RU | ALLOCATED PA | Feb 5, 2002 | abuse@ |
| └ 81.20.168.0/24 | 256 | Servers-Pri | Primary SUTC servers | ASSIGNED PA | Oct 26, 2010 | abuse@ via RU-RTK-20020205 |
| └ 81.20.169.0/24 | 256 | SERVERS-SEC | Secondary SUTC servers | ASSIGNED PA | Oct 28, 2010 | abuse@ via RU-RTK-20020205 |
| └ 81. | 768 | SUTC-2 | Customers P2P links | ASSIGNED PA | Apr 6, 2009 | abuse@ via RU-RTK-20020205 |
| └ 81. | 512 | TRIGOR-1 | Trigor Customers | ASSIGNED PA | Mar 24, 2009 | abuse@ via RU-RTK-20020205 |
| └ 81.20.175.0/24 | 256 | TRIGOR-2 | Trigor Customers | ASSIGNED PA | Mar 30, 2009 | abuse@ via RU-RTK-20020205 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 1,536 | 75% | 1 | |
| Hosting | 512 | 25% | 2 |
Network & registry
Origin network
AS12389
RU
- Name
- PJSC Rostelecom
- Type
- Internet provider
- Registered
- Jul 1, 2005
- Domain
- rt.ru
- Website
- www.company.rt.ru/en/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Feb 2023 · 3.8 yr
- Origin networks
- 3
- Last change of origin
- Feb 2023
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 81.20.168.0/21 | AS12389 | /21 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS24665 not the origin | RIPE | SUTC network | ROSTELECOM-MNT | Jun 15, 2026 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 81.20.168.0/24 | AS24665 | RIPE | Sutc primary core network | ROSTELECOM-MNT | Jun 15, 2026 |
| 81.20.169.0/24 | AS24665 | RIPE | Sutc secondary core network | ROSTELECOM-MNT | Jun 15, 2026 |
| 81.20.170.0/24 | AS24665 | RIPE | Leased line IP for customers | ROSTELECOM-MNT | Jun 15, 2026 |
| 81.20.171.0/24 | AS24665 | RIPE | Leased line IP/30 for customers | ROSTELECOM-MNT | Jun 15, 2026 |
| 81.20.172.0/24 | AS24665 | RIPE | Leased line IP/29 for customers | ROSTELECOM-MNT | Jun 15, 2026 |
| 81.20.173.0/24 | AS24665 | RIPE | Trigor customers freerate network | ROSTELECOM-MNT | Jun 15, 2026 |
| 81.20.174.0/24 | AS24665 | RIPE | Trigor FreeRate | ROSTELECOM-MNT | Jun 15, 2026 |
| 81.20.175.0/24 | AS24665 | RIPE | Leased line IP for customers freerate network | ROSTELECOM-MNT | Jun 15, 2026 |
Whois
Registration for this announcement
- Range
- 81.
20. 160. 0/ 20 - Netname
- RU-RTK-20020205
- Registrant
- PJSC Rostelecom
- Registrant country
- RU
- Organization
- PJSC Rostelecom (ORG-JR8-RIPE)
- Org country
- RU
- Type
- ALLOCATED PA
- Created
- Feb 5, 2002
- Updated
- Jun 15, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- RU
- Delegated
- Feb 5, 2002
- Status
- assigned
Report abuse
Abuse contact
- abuse@
rt. ru - Name
- PJSC Rostelecom Technical Team
- Handle
- RTNC-RIPE