Sify Limited
BGP inherited
Cluster stats
| Netblocks | 2,231 |
| All fragments | 2,266 blocks across 6 clusters |
| Cluster ID | 204398498 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 26 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
4 weekly snapshots · JSON
2,231
+1 netblocks since 2026-07-05
2026-07-05
peak 2,231
2026-07-13
IP Ranges (2,231)
showing 50 of 2,231 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 1.6.0.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.1.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.2.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.4.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.7.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.8.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.9.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.10.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.11.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.12.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.12.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.13.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.16.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.17.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.19.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.20.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.24.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.28.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.31.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.32.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.36.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.40.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.42.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.43.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.44.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.46.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.48.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.52.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.52.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.54.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.56.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.59.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.60.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.60.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.64.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.65.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.66.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.67.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.68.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.69.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.70.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.71.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.72.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.72.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.73.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.74.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.75.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.76.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.80.0/22 | Sify Limited | BGP | ANNOUNCED | ● high |
| 1.6.82.0/24 | Sify Limited | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
92.4%
of checked blocks have valid RPKI ROA coverage
(1,848 of 2,000, sampled from 2,231)
Possible discrepancies (4)
These blocks are registered to Sify Limited but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 221.134.236.0/22 /22 | authorized for AS583 — Air Force Systems Networking |
| 118.94.81.0/24 /24 | authorized for AS13150 — CATO NETWORKS LTD |
| 118.94.82.0/24 /24 | authorized for AS13150 — CATO NETWORKS LTD |
| 1.7.229.0/24 /24 | authorized for AS4755 — Tata Communications Limited |
NIC Handles
AB1061-AP
AS4755
AS9583
CDN1-AP
DUMY-RIPE
DUMY-RIPE
HS51-AP
HS51-AP
MAINT-IN-BBIL
MAINT-IN-DOT
MAINT-IN-IRINN
MAINT-IN-IRINN
+14 more