121.240.100.0/23 - TATA Communications Formerly VSNL Is Leading ISP (AS4755)
CIDR
121.240.100.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇮🇳 India
City
Chennai
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.240.100.0/23 | AS4755 TATACOMM-AS - TATA Communications formerly VSNL is Leading ISP | Invalid | - | 2026-10-13 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.240.0.0/16 | AS4755 TATACOMM-AS - TATA Communications formerly VSNL is Leading ISP | Valid | - | 2026-10-13 |
| 121.240.96.0/20 | AS4755 TATACOMM-AS - TATA Communications formerly VSNL is Leading ISP | Valid | - | 2026-10-13 |
Related Prefixes
More prefixes of AS4755
All prefixes of AS4755 →Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/121.240.100.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.240.100.0/23" | jq
External Links