Data as of Nov 12, 2026
37.20.0.0/17
No anonymizer space · no proxy exits in 30 daysPJSC Rostelecom
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 37.20.0.0/14 since Aug 2016 | AS12389 | Residential | 38,727 255 always on | PJSC Rostelecom |
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 |
|---|---|---|---|---|---|---|
| 37.20.0.0/14 | 262,144 | RU-RTK-20111221 | PJSC Rostelecom (ORG-JR8-RIPE) · RU | ALLOCATED PA | Dec 21, 2011 | abuse@ |
| └ 37.20.0.0/17 | 32,768 | WEBSTREAM | JSC Rostelecom regional branch "Siberia" | ASSIGNED PA | Jan 12, 2012 | abuse@ via RU-RTK-20111221 |
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
Announced by
Covering announcement 37.20.0.0/16
- Prefix
- 37.20.0.0/16
- Announced by
- AS12389 PJSC Rostelecom
- Type
- Residential
- Proxy exits
- 5,381
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- RU-RTK-20111221
- Registrant
- PJSC Rostelecom
- RIR
- RIPE NCC
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
Covering aggregate above, the prefix's own history below
37.20.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Feb 2013
- Current origin since
- Jul 2015 · 11 yr
- Origin networks
- 2
- Last change of origin
- Jul 2015
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.20.0.0/16 | AS12389 | /16 | RIPE | RPKI valid |
| 37.20.0.0/14 | AS12389 | /18 | RIPE | RPKI valid |
IRR
Route objects on 37.20.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS12389 | RIPE | Rostelecom networks | ROSTELECOM-MNT | Sep 28, 2018 |
Whois
Registration for this announcement
- Range
- 37.
20. 0. 0/ 14 - Netname
- RU-RTK-20111221
- Registrant
- PJSC Rostelecom
- Registrant country
- RU
- Organization
- PJSC Rostelecom (ORG-JR8-RIPE)
- Org country
- RU
- Type
- ALLOCATED PA
- Created
- Dec 21, 2011
- Updated
- Jun 4, 2024
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- RU
- Delegated
- Dec 21, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
rt. ru - Name
- PJSC Rostelecom Technical Team
- Handle
- RTNC-RIPE