77.73.8.0/21 - BGP Prefix
IPv4not announced RPKI Valid
CIDR
77.73.8.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Las Vegas (Summerlin North)
Status
not announced
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
8 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 77.73.8.0/24 | AS7488 CNSERVER-AP-AS CNServer LLC | Valid | - | 2026-10-11 |
| 77.73.9.0/24 | AS51043 ASPIRE01 Aspire Technology Solutions Ltd | Valid | - | 2026-10-11 |
| 77.73.10.0/24 | AS202168 omsag Online Marketing Solutions AG | Valid | - | 2026-10-11 |
| 77.73.11.0/24 | AS25577 C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED | No ROA | - | 2026-10-11 |
| 77.73.12.0/24 | AS51043 ASPIRE01 Aspire Technology Solutions Ltd | Valid | - | 2026-10-11 |
| 77.73.13.0/24 | AS7488 CNSERVER-AP-AS CNServer LLC | Valid | - | 2026-10-11 |
| 77.73.14.0/24 | AS7488 CNSERVER-AP-AS CNServer LLC | Valid | - | 2026-10-11 |
| 77.73.15.0/24 | AS25577 C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED | No ROA | - | 2026-10-11 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 77.73.8.0/24 | AS7488 | 🇺🇸US | allocated |
| 77.73.9.0/24 | AS51043 | 🇬🇧GB | allocated |
| 77.73.9.96/27 | 🇬🇧GB | assigned | |
| 77.73.9.192/27 | 🇬🇧GB | assigned | |
| 77.73.9.224/27 | 🇬🇧GB | assigned | |
| 77.73.10.0/24 | AS202168 | 🇩🇪DE | allocated |
| 77.73.10.0/29 | 🇩🇪DE | assigned | |
| 77.73.10.8/29 | 🇩🇪DE | assigned | |
| 77.73.10.16/29 | 🇩🇪DE | assigned | |
| 77.73.10.24/29 | 🇩🇪DE | assigned | |
| 77.73.10.32/28 | 🇩🇪DE | assigned | |
| 77.73.10.128/27 | 🇩🇪DE | assigned | |
| 77.73.10.192/27 | 🇩🇪DE | assigned | |
| 77.73.10.224/27 | 🇩🇪DE | assigned | |
| 77.73.11.0/24 | AS25577 | 🇬🇧GB | allocated |
| 77.73.11.0/28 | 🇬🇧GB | assigned | |
| 77.73.11.16/28 | 🇬🇧GB | assigned | |
| 77.73.11.32/28 | 🇬🇧GB | assigned | |
| 77.73.11.48/28 | 🇬🇧GB | assigned | |
| 77.73.11.64/28 | 🇬🇧GB | assigned | |
| 77.73.11.80/28 | 🇬🇧GB | assigned | |
| 77.73.11.128/29 | 🇬🇧GB | assigned | |
| 77.73.11.136/29 | 🇬🇧GB | assigned | |
| 77.73.11.160/29 | 🇬🇧GB | assigned | |
| 77.73.11.168/29 | 🇬🇧GB | assigned | |
| 77.73.11.176/29 | 🇬🇧GB | assigned | |
| 77.73.11.192/27 | 🇬🇧GB | assigned | |
| 77.73.11.224/28 | 🇬🇧GB | assigned | |
| 77.73.12.0/24 | AS51043 | 🇬🇧GB | allocated |
| 77.73.12.0/26 | 🇬🇧GB | assigned | |
| 77.73.13.0/24 | AS7488 | 🇺🇸US | allocated |
| 77.73.14.0/24 | AS7488 | 🇺🇸US | allocated |
| 77.73.15.0/24 | AS25577 | 🇬🇧GB | allocated |
Transfer History
Registry transfers of 77.73.8.0/21, blocks inside it, or blocks containing it.
- 77.73.15.0/24Transfer ·
- 77.73.11.0/24Transfer ·
- 77.73.9.0/24Transfer ·
- 77.73.12.0/24Transfer ·
- 77.73.10.0/24Transfer ·
- 77.73.14.0/24Transfer ·
- 77.73.13.0/24Transfer ·
- 77.73.8.0/24Transfer ·
- 77.73.8.0/21Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 77.73.15.0/24 | Transfer | |||
| 77.73.11.0/24 | Transfer | |||
| 77.73.9.0/24 | Transfer | |||
| 77.73.12.0/24 | Transfer | |||
| 77.73.10.0/24 | Transfer | |||
| 77.73.14.0/24 | Transfer | |||
| 77.73.13.0/24 | Transfer | |||
| 77.73.8.0/24 | Transfer | |||
| 77.73.8.0/21 | IDE Group Manage Limited | CloudCoCo Connect Limited | Transfer |
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 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/77.73.8.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/77.73.8.0/21" | jq
External Links