209.99.144.0/20 - CONSOLIDATED TELEPHONE COMPANY (AS20283)
CIDR
209.99.144.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
San Francisco
RIR
ARIN
Status
allocated
Allocated
2026-03-05
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.99.144.0/20 | AS20283 CTC-INTERNET-MN - CONSOLIDATED TELEPHONE COMPANY | Valid | ARIN | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 209.99.144.0/20 | AS20283 | /20 | arin |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS20283 | ARIN | MNT-COTC | 2026-03-06 |
Transfer History
Registry transfers of 209.99.144.0/20, blocks inside it, or blocks containing it.
- 209.99.144.0/20Transfer ·
- 209.99.128.0/18M&A ·
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/209.99.144.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.99.144.0/20" | jq
External Links