207.188.8.0/21 - BGP Prefix
IPv4ARINallocatedNo ROA
CIDR
207.188.8.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
๐บ๐ธ United States
City
Seattle
RIR
ARIN
Status
allocated
Allocated
2019-10-28
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns โ
| 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
9 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 207.188.8.0/24 | AS20029 HCDL-DENVER-DATA-CENTER - H5 Data Centers | No ROA | - | 2026-10-11 |
| 207.188.9.0/24 | AS20029 HCDL-DENVER-DATA-CENTER - H5 Data Centers | No ROA | - | 2026-10-11 |
| 207.188.10.0/24 | AS63252 HCDL-PHOENIX-DATA-CENTER - H5 Data Centers | No ROA | - | 2026-10-11 |
| 207.188.11.0/24 | AS63252 HCDL-PHOENIX-DATA-CENTER - H5 Data Centers | No ROA | - | 2026-10-11 |
| 207.188.11.0/24 | AS400829 HCDL-SAN-ANTONIO-DATA-CENTER - H5 Data Centers | No ROA | - | 2026-10-11 |
| 207.188.12.0/24 | AS63252 HCDL-PHOENIX-DATA-CENTER - H5 Data Centers | No ROA | - | 2026-10-11 |
| 207.188.13.0/24 | AS20029 HCDL-DENVER-DATA-CENTER - H5 Data Centers | No ROA | - | 2026-10-11 |
| 207.188.14.0/24 | AS20029 HCDL-DENVER-DATA-CENTER - H5 Data Centers | No ROA | - | 2026-10-11 |
| 207.188.15.0/24 | AS20029 HCDL-DENVER-DATA-CENTER - H5 Data Centers | No ROA | - | 2026-10-11 |
Transfer History
Registry transfers of 207.188.8.0/21, blocks inside it, or blocks containing it.
- 207.188.8.0/21Transfer ยท
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 207.188.8.0/21 | RealNetworks, Inc. | H5 Data Centers | 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 transfers in the ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/207.188.8.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/207.188.8.0/21" | jq
External Links