208.73.200.0/21 - Interserver (AS19318)
CIDR
208.73.200.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Los Angeles
RIR
ARIN
Status
allocated
Allocated
2014-12-19
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 208.73.200.0/21 | AS19318 IS-AS-1 - Interserver, Inc | No ROA | Other IRR | 2026-10-12 |
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 208.73.200.0/24 | AS26666 INTERSERVER-LAX - Interserver, Inc | No ROA | - | 2026-10-12 |
| 208.73.201.0/24 | AS26666 INTERSERVER-LAX - Interserver, Inc | No ROA | - | 2026-10-12 |
Origin ASN
AS19318
IS-AS-1 - Interserver, Inc
Related Prefixes
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/208.73.200.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/208.73.200.0/21" | jq
External Links