66.218.248.0/21 - (AS16495)
CIDR
66.218.248.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Maryland Heights
RIR
ARIN
Status
allocated
Allocated
2002-01-17
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
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.218.248.0/24 | AS11976 FIDN - Fidelity Communication International Inc. | No ROA | - | 2026-10-13 |
| 66.218.254.0/23 | AS11976 FIDN - Fidelity Communication International Inc. | No ROA | - | 2026-10-13 |
Transfer History
Registry transfers of 66.218.248.0/21, blocks inside it, or blocks containing it.
- 66.218.224.0/19M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 66.218.224.0/19 | M&A |
Origin ASN
AS16495
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/66.218.248.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/66.218.248.0/21" | jq
External Links