121.91.128.0/19
🇬🇧IPv4RIPEassigned RPKI Valid
CIDR
121.91.128.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.91.128.0/21 | AS16509AMAZON-02 - Amazon.com, Inc. | Valid | — | 6/13/2026 |
| 121.91.144.0/21 | AS16509AMAZON-02 - Amazon.com, Inc. | Valid | — | 6/13/2026 |
| 121.91.152.0/21 | AS136907HWCLOUDS-AS-AP - HUAWEI CLOUDS | Valid | — | 6/13/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 121.91.136.0/21 | 🇭🇰HK | allocated | |
| 121.91.144.0/21 | AS16509 | 🇺🇸US | allocated |
| 121.91.152.0/21 | AS136907 | 🇸🇬SG | allocated |
| 121.91.128.0/21 | AS16509 | 🇺🇸US | allocated |
| 121.91.152.0/22 | 🇿🇦ZA | assigned | |
| 121.91.156.0/22 | 🇿🇦ZA | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.91.128.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.91.128.0/19" | jq
External Links