173.205.192.0/21 - BGP Prefix
IPv4ARINallocatedNo ROA
CIDR
173.205.192.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
๐บ๐ธ United States
City
Redwood City (Redwood Shores)
RIR
ARIN
Status
allocated
Allocated
2019-08-08
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
5 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 173.205.192.0/24 | AS54588 EQUINIX-EC-SV - Equinix, Inc. | No ROA | - | 2026-10-12 |
| 173.205.196.0/24 | AS54588 EQUINIX-EC-SV - Equinix, Inc. | No ROA | - | 2026-10-12 |
| 173.205.197.0/24 | AS54588 EQUINIX-EC-SV - Equinix, Inc. | No ROA | - | 2026-10-12 |
| 173.205.198.0/24 | AS54588 EQUINIX-EC-SV - Equinix, Inc. | No ROA | - | 2026-10-12 |
| 173.205.199.0/24 | AS54588 EQUINIX-EC-SV - Equinix, Inc. | No ROA | - | 2026-10-12 |
Transfer History
Registry transfers of 173.205.192.0/21, blocks inside it, or blocks containing it.
- 173.205.192.0/21Transfer ยท
- 173.205.128.0/17M&A ยทโInfoRelay Online Systems, Inc.Atlantic Metro Communications II, Inc.
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 173.205.192.0/21 | Atlantic Metro Communications II, Inc. | Equinix, Inc. | Transfer | |
| 173.205.128.0/17 | InfoRelay Online Systems, Inc. | Atlantic Metro Communications II, Inc. | M&A |
Geolocation
Country๐บ๐ธUnited StatesUS
RegionCalifornia
CityRedwood City (Redwood Shores)
Coordinates37.5274, -122.2610 โ
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/173.205.192.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/173.205.192.0/21" | jq
External Links