209.102.248.0/21 - (AS401678)
CIDR
209.102.248.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
πΊπΈ United States
City
Manassas
RIR
ARIN
Status
allocated
Allocated
2025-09-23
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns β
| 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
5 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.102.248.0/23 | AS199524 GCORE G-Core Labs S.A. | No ROA | - | 2026-10-12 |
| 209.102.250.0/24 | AS7979 SERVERS-COM - Servers.com, Inc. | No ROA | - | 2026-10-12 |
| 209.102.251.0/24 | AS199524 GCORE G-Core Labs S.A. | No ROA | - | 2026-10-12 |
| 209.102.252.0/23 | AS199524 GCORE G-Core Labs S.A. | No ROA | - | 2026-10-12 |
| 209.102.254.0/23 | AS199524 GCORE G-Core Labs S.A. | No ROA | - | 2026-10-12 |
Transfer History
Registry transfers of 209.102.248.0/21, blocks inside it, or blocks containing it.
- 209.102.248.0/21Transfer Β·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 209.102.248.0/21 | Windstream Communications LLC | BisectHosting | Transfer |
Origin ASN
AS401678
Related Prefixes
More prefixes of AS401678
All prefixes of AS401678 βGeolocation
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/209.102.248.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.102.248.0/21" | jq
External Links