MONTBLANC
BGP inherited
Cluster stats
| Netblocks | 7 |
| Registered in | China (3) · Portugal (2) |
| All fragments | 15 blocks across 6 clusters |
| Cluster ID | 209886038 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 15 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
7
0 netblocks since 2026-07-05
2026-07-05
peak 7
2026-07-19
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 115.236.37.32/30 | MONTBLANC-CO-LTD | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 180.168.140.96/30 | MONTBLANC | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 58.246.24.208/29 | MONTBLANC-Corp | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 62.28.250.216/30 | MONTBLANC-NET | RIPE | ASSIGNED PA | ● low |
| 83.240.217.184/30 | MONTBLANC-NET | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:39d::/56 | MONTBLANC | RIPE | ASSIGNED | ● low |
| 2a00:2381:39d::/48 | MONTBLANC | RIPE | AGGREGATED-BY-LIR | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
71.4%
of checked blocks have valid RPKI ROA coverage
(5 of 7)
Possible discrepancies (2)
These blocks are registered to MONTBLANC 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.
| 2a00:2381:39d::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:39d::/56 /56 | authorized for AS2856 — British Telecommunications Limited |
NIC Handles
AC1591-AP
AC1602-AP
AS15525-MNT
BTNET-MNT
CH122-AP
DUMY-RIPE
DUMY-RIPE
MAINT-CHINANET-SH
MAINT-CN-CHINANET-ZJ-HZ
MAINT-CNCGROUP-SH
YF576-AP
YR194-AP
+3 more