209.191.64.0/18 - BGP Prefix
IPv4ARINallocatedNo ROA
CIDR
209.191.64.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
๐บ๐ธ United States
City
New York City
RIR
ARIN
Status
allocated
Allocated
2005-05-20
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
4 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.191.64.0/20 | AS10310 YAHOO-1 - Yahoo Holdings Inc. | No ROA | - | 2026-10-11 |
| 209.191.80.0/21 | AS10310 YAHOO-1 - Yahoo Holdings Inc. | No ROA | - | 2026-10-11 |
| 209.191.95.0/24 | AS10880 YAHOO-AN2 - Yahoo Holdings Inc. | No ROA | - | 2026-10-11 |
| 209.191.112.0/20 | AS10310 YAHOO-1 - Yahoo Holdings Inc. | No ROA | - | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS14780 | Other IRR | MAINT-YAHOO | 2023-11-13 |
Transfer History
Registry transfers of 209.191.64.0/18, blocks inside it, or blocks containing it.
- 209.191.64.0/18M&A ยท
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 209.191.64.0/18 | Yahoo! | Oath Holdings Inc. | M&A |
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/209.191.64.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.191.64.0/18" | jq
External Links