64.21.128.0/18 - BGP Prefix
IPv4not announcedNo ROA
CIDR
64.21.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇺🇸 United States
City
Denver (North Capitol Hill)
Status
not announced
Allocated
-
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 |
|---|---|---|---|---|
| 64.21.128.0/19 | AS8001 COLOGIX - Cologix, Inc | No ROA | - | 2026-10-11 |
| 64.21.160.0/20 | AS8001 COLOGIX - Cologix, Inc | No ROA | - | 2026-10-11 |
| 64.21.176.0/21 | AS8001 COLOGIX - Cologix, Inc | No ROA | - | 2026-10-11 |
| 64.21.184.0/21 | AS29909 METROOPTIC - Metro Optic | Valid | - | 2026-10-11 |
| 64.21.185.0/24 | AS29909 METROOPTIC - Metro Optic | Valid | - | 2026-10-11 |
| 64.21.186.0/23 | AS29909 METROOPTIC - Metro Optic | Valid | - | 2026-10-11 |
| 64.21.186.0/24 | AS29909 METROOPTIC - Metro Optic | Valid | - | 2026-10-11 |
| 64.21.187.0/24 | AS29909 METROOPTIC - Metro Optic | Valid | - | 2026-10-11 |
| 64.21.190.0/24 | AS29909 METROOPTIC - Metro Optic | Valid | - | 2026-10-11 |
| 64.21.191.0/24 | AS14217 N6CLOUD-AS - N6 Cloud inc. | Valid | - | 2026-10-11 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 64.21.128.0/19 | AS8001 | 🇺🇸US | allocated |
| 64.21.160.0/20 | AS8001 | 🇺🇸US | allocated |
| 64.21.176.0/21 | AS8001 | 🇺🇸US | allocated |
| 64.21.184.0/21 | AS29909 | 🇨🇦CA | allocated |
Transfer History
Registry transfers of 64.21.128.0/18, blocks inside it, or blocks containing it.
- 64.21.184.0/21Transfer ·
- 64.21.128.0/18M&A ·
Geolocation
Country🇺🇸United StatesUS
RegionColorado
CityDenver (North Capitol Hill)
Coordinates39.7420, -104.9840 ↗
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 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/64.21.128.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/64.21.128.0/18" | jq
External Links