SIS Laboratory, LLC
Data as of 2026-08-16
BGP inherited
Cluster stats
| Netblocks | 16 · 3,332 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a00:6240::/32) |
| Registered in | Russia (15) · Germany (1) |
| Cluster ID | 222376861 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 10 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
8 weekly snapshots · JSON
18
-12 netblocks since 2026-07-05
2026-07-05
peak 30
2026-08-16
IP Ranges (16)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 37.19.0.0/21 | SIS Laboratory, LLC | BGP | ANNOUNCED | ● high |
| 37.19.1.0/24 | SIS Laboratory, LLC | BGP | ANNOUNCED | ● high |
| 37.19.2.0/24 | SIS Laboratory, LLC | BGP | ANNOUNCED | ● high |
| 37.19.3.0/24 | SIS Laboratory, LLC | BGP | ANNOUNCED | ● high |
| 37.19.4.0/24 | SIS Laboratory, LLC | BGP | ANNOUNCED | ● high |
| 37.19.5.0/24 | SIS Laboratory, LLC | BGP | ANNOUNCED | ● high |
| 37.19.6.0/24 | SIS Laboratory, LLC | BGP | ANNOUNCED | ● high |
| 37.19.7.0/24 | SIS Laboratory, LLC | BGP | ANNOUNCED | ● high |
| 185.214.160.0/24 | SIS Laboratory, LLC | BGP | ANNOUNCED | ● high |
| 185.214.161.0/24 | SIS Laboratory, LLC | BGP | ANNOUNCED | ● high |
| 185.214.162.0/24 | SIS Laboratory, LLC | BGP | ANNOUNCED | ● high |
| 185.214.163.0/24 | SIS Laboratory, LLC | BGP | ANNOUNCED | ● high |
| 2a00:6240::/32 | SIS Laboratory, LLC | BGP | ANNOUNCED | ● high |
| 46.231.212.252/30 | SIS-LAN | RIPE | ASSIGNED PA | ● low |
| 185.214.160.0/22 | SIS Laboratory, LLC | RIPE | ALLOCATED PA | ● low |
| 194.24.219.0/24 | SIS-I01 | RIPE | ASSIGNED PA | ● low |
IPv6 ranges (1)
| CIDR |
|---|
| 2a00:6240::/32 |
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: F
how networks compare →
11.1%
of checked blocks have valid RPKI ROA coverage
(2 of 18)
Possible discrepancies (1)
These blocks are registered to SIS Laboratory, LLC but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 194.24.219.0/24 /24 | authorized for AS3257 — GTT Communications Inc. |
NIC Handles
AS198354
DUMY-RIPE
DUMY-RIPE
NEXINTO-MNT
OBIT-MNT
ORG-SLL18-RIPE
RIPE-NCC-HM-MNT
RU-SISLAB-MNT
RU-SISLAB-MNT
SCHEGOLEV-MNT