Kolkata
Cluster stats
| Netblocks | 12 |
| All fragments | 33 blocks across 3 clusters |
| Cluster ID | 195312205 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 4 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (12)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 2401:4900:1000::/44 | Kolkata | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2401:4900:1010::/44 | Kolkata | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2401:4900:1020::/44 | Kolkata | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2401:4900:1040::/44 | Kolkata | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2401:4900:1108::/45 | Kolkata | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2401:4900:3090::/44 | Kolkata | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2401:4900:3140::/46 | Kolkata | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2401:4900:3144::/46 | Kolkata | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2401:4900:3148::/46 | Kolkata | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2401:4900:314c::/46 | Kolkata | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2401:4900:3220::/44 | Kolkata | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2401:4900:3560::/45 | Kolkata | APNIC | ASSIGNED NON-PORTABLE | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(12 of 12)
Possible discrepancies (12)
These blocks are registered to Kolkata 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.
| 2401:4900:1000::/44 /44 | authorized for AS45609 — Bharti Airtel Limited |
| 2401:4900:1010::/44 /44 | authorized for AS45609 — Bharti Airtel Limited |
| 2401:4900:1020::/44 /44 | authorized for AS45609 — Bharti Airtel Limited |
| 2401:4900:1040::/44 /44 | authorized for AS45609 — Bharti Airtel Limited |
| 2401:4900:3090::/44 /44 | authorized for AS45609 — Bharti Airtel Limited |
| 2401:4900:3220::/44 /44 | authorized for AS45609 — Bharti Airtel Limited |
| 2401:4900:1108::/45 /45 | authorized for AS45609 — Bharti Airtel Limited |
| 2401:4900:3560::/45 /45 | authorized for AS45609 — Bharti Airtel Limited |
| 2401:4900:3140::/46 /46 | authorized for AS45609 — Bharti Airtel Limited |
| 2401:4900:3144::/46 /46 | authorized for AS45609 — Bharti Airtel Limited |
| 2401:4900:3148::/46 /46 | authorized for AS45609 — Bharti Airtel Limited |
| 2401:4900:314c::/46 /46 | authorized for AS45609 — Bharti Airtel Limited |
NIC Handles
AB1077-AP
MAINT-IN-MOBILITY
RJ777-AP
RJ777-AP