208.83.104.0/21 - BGP Prefix
IPv4not announced RPKI Valid
CIDR
208.83.104.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
San Jose
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
6 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 208.83.104.0/24 | AS15830 Equinix Equinix (EMEA) Acquisition Enterprises B.V. | No ROA | - | 2026-10-11 |
| 208.83.105.0/24 | AS15830 Equinix Equinix (EMEA) Acquisition Enterprises B.V. | No ROA | - | 2026-10-11 |
| 208.83.106.0/24 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | - | 2026-10-11 |
| 208.83.107.0/24 | AS30704 WC-1162 - WellSky Corporation | No ROA | - | 2026-10-11 |
| 208.83.108.0/24 | AS27344 READING-HOSPITAL - Reading Hospital | No ROA | - | 2026-10-11 |
| 208.83.111.0/24 | AS13415 FIRSTDIGITAL - FirstDigital Communications, LLC | No ROA | - | 2026-10-11 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 208.83.104.0/23 | 🇺🇸US | allocated | |
| 208.83.106.0/24 | AS401646 | 🇺🇸US | allocated |
| 208.83.107.0/24 | AS30704 | 🇺🇸US | allocated |
| 208.83.108.0/23 | AS27344 | 🇺🇸US | allocated |
| 208.83.110.0/24 | AS402574 | 🇺🇸US | allocated |
| 208.83.111.0/24 | AS13415 | 🇺🇸US | allocated |
Transfer History
Registry transfers of 208.83.104.0/21, blocks inside it, or blocks containing it.
- 208.83.110.0/24Transfer ·
- 208.83.111.0/24Transfer ·
- 208.83.108.0/23Transfer ·
- 208.83.106.0/24Transfer ·
- 208.83.107.0/24Transfer ·
- 208.83.104.0/23Transfer ·
- 208.83.104.0/21M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 208.83.110.0/24 | Transfer | |||
| 208.83.111.0/24 | Transfer | |||
| 208.83.108.0/23 | Transfer | |||
| 208.83.106.0/24 | Transfer | |||
| 208.83.107.0/24 | Transfer | |||
| 208.83.104.0/23 | Transfer | |||
| 208.83.104.0/21 | M&A |
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/208.83.104.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/208.83.104.0/21" | jq
External Links