209.209.128.0/18 - BGP Prefix
IPv4ARINallocated RPKI Valid
CIDR
209.209.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇺🇸 United States
City
Atlanta (Perimeter Center)
RIR
ARIN
Status
allocated
Allocated
1998-05-01
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
10 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.209.137.0/24 | AS26801 ZITOMEDIA611 - Zito Media, L.P. | No ROA | - | 2026-10-11 |
| 209.209.145.0/24 | AS10397 MOMENTUM - Momentum Telecom, Inc. | Valid | - | 2026-10-11 |
| 209.209.163.0/24 | AS10397 MOMENTUM - Momentum Telecom, Inc. | Valid | - | 2026-10-11 |
| 209.209.170.0/24 | AS10397 MOMENTUM - Momentum Telecom, Inc. | Valid | - | 2026-10-11 |
| 209.209.171.0/24 | AS10397 MOMENTUM - Momentum Telecom, Inc. | Valid | - | 2026-10-11 |
| 209.209.172.0/24 | AS10397 MOMENTUM - Momentum Telecom, Inc. | Valid | - | 2026-10-11 |
| 209.209.174.0/24 | AS14352 SSUITES-AS1 - ERP Suites | Valid | - | 2026-10-11 |
| 209.209.181.0/24 | AS10397 MOMENTUM - Momentum Telecom, Inc. | Valid | - | 2026-10-11 |
| 209.209.185.0/24 | AS19108 SUDDENLINK-COMMUNICATIONS - Optimum | No ROA | - | 2026-10-11 |
| 209.209.188.0/24 | AS19108 SUDDENLINK-COMMUNICATIONS - Optimum | No ROA | - | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS10397 | Other IRR | MAINT-AS7029 | 2023-11-13 |
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/209.209.128.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.209.128.0/18" | jq
External Links