Data as of Nov 11, 2026
37.19.7.0/24
No anonymizer space · no proxy exits in 30 daysSIS Laboratory, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 37.19.0.0/21 since May 2025 | AS198354 | Business | 4 | SIS Laboratory, LLC |
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 |
|---|---|---|---|---|---|---|
| 37.19.0.0/21 | 2,048 | RU-SISTELECOM-20111221 | SIS Laboratory, LLC (ORG-SLL18-RIPE) · RU | ALLOCATED PA | Dec 21, 2011 | public@ |
| └ 37.19.6.0/23 | 512 | SISTELECOM-BCN-BROADBAND | unknown | ASSIGNED PA | Jul 25, 2017 | public@ via RU-SISTELECOM-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
Registry
Holder
- Organization
- SIS Laboratory, LLC
- Handle
- ORG-SLL18-RIPE
- Range
- 37.
19. 0. 0/ 21 - Registration type
- ALLOCATED PA
- Record created
- Dec 21, 2011
Origin network
AS198354
RU
- Name
- SIS Laboratory, LLC
- Type
- Education
- Registered
- Dec 21, 2011
- Domain
- sislab.ru
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2012
- Current origin since
- Apr 2012 · 15 yr
- Origin networks
- 2
- Last change of origin
- Apr 2012
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS198354 | RIPE | SIS Laboratory's IPv4 Route Object | RU-SISLAB-MNT | Feb 26, 2012 |
Whois
Registration for this announcement
- Range
- 37.
19. 6. 0/ 23 - Netname
- SISTELECOM-BCN-BROADBAND
- Registrant country
- RU
- Organization
- Not stated by the registry
- Type
- ASSIGNED PA
- Created
- Jul 25, 2017
- Updated
- May 28, 2018
- Maintainer
- SCHEGOLEV-MNT
- RIR
- RIPE NCC
- Country
- RU
- Delegated
- Dec 21, 2011
- Status
- assigned
Report abuse
Abuse contact
- public@
sislab. ru - Name
- Abuse-C Role
- Handle
- AR16927-RIPE