Gartner KG.
Gartner Group
GLEIF verified
Complete entity footprint
2 linked clusters ·
21 netblocks ·
2,143 IPv4 addresses
This organisation's clusters combined by evidence —
shared GLEIF corporate family
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
529900ZLNBEHK2ZP5Z17
Registered name
Gartner KG.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 17 · 1,881 IPv4 addresses |
| Registered in | United States (5) · United Kingdom (4) · Germany (2) · France (1) · Italy (1) · Netherlands (1) |
| All fragments | 36 blocks across 11 clusters |
| Cluster ID | 213756698 |
| Registry | APNIC |
| Owner jurisdiction | AT |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 529900ZLNBEHK2ZP5Z17 |
| Shared handles | clustered on 18 shared RIR contact/maintainer handles |
| Registry names | 9 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
6 weekly snapshots · JSON
17
-6 netblocks since 2026-07-05
2026-07-05
peak 23
2026-07-26
IP Ranges (17)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 8.15.203.0/24 | Gartner Group | BGP | ANNOUNCED | ● high |
| 8.245.13.0/24 | Gartner Group | BGP | ANNOUNCED | ● high |
| 195.50.72.0/24 | Gartner Group | BGP | ANNOUNCED | ● high |
| 203.5.212.0/24 | Gartner Inc. | APNIC | ASSIGNED PORTABLE | ● high |
| 203.5.212.0/24 | Gartner Group | BGP | ANNOUNCED | ● high |
| 207.140.148.0/24 | Gartner Group | BGP | ANNOUNCED | ● high |
| 85.36.227.120/29 | GARTNER | RIPE | ASSIGNED PA | ● low |
| 93.104.198.40/29 | GARTNER-NET | RIPE | ASSIGNED PA | ● low |
| 193.240.239.192/27 | GARTNER-GROUP | RIPE | ASSIGNED PA | ● low |
| 195.50.72.0/24 | GARTNER-INC | RIPE | ASSIGNED PA | ● low |
| 195.75.191.24/29 | SE-GARTNER-NET | RIPE | ASSIGNED PA | ● low |
| 212.157.169.208/28 | GARTNER-GROUP-NET1 | RIPE | ASSIGNED PA | ● low |
| 212.211.154.128/29 | Gartner-NET | RIPE | ASSIGNED PA | ● low |
| 213.249.109.208/28 | GARTNER | RIPE | ASSIGNED PA | ● low |
| 217.124.155.64/29 | GARTNER | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:10c0::/48 | GARTNER | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:10c0::/56 | GARTNER | RIPE | ASSIGNED | ● low |
Corporate group (2 confirmed entities)
- Gartner KG 4 blocks
Network trust
what's this?
RPKI hygiene: D
how networks compare →
41.2%
of checked blocks have valid RPKI ROA coverage
(7 of 17)
Possible discrepancies (2)
These blocks are registered to Gartner Group 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.
| 2a00:2381:10c0::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:10c0::/56 /56 | authorized for AS2856 — British Telecommunications Limited |
NIC Handles
AB34802-RIPE
AG1317-AP
APNIC-HM
AS7310
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
EU-IBM-NIC-MNT
GIA11-AP
GIA11-AP
INTERB-MNT
IWAY-NOC
+6 more