206.129.6.0/23 - Isomedia (AS18530)
CIDR
206.129.6.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇺🇸 United States
City
Seattle
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 206.129.6.0/23 | AS18530 ISOMEDIA-1 - Isomedia, Inc. | No ROA | Other IRR | 2026-10-11 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 206.129.0.0/16 | AS3561 CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC | No ROA | - | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS18530 | Other IRR | maint-as13768 | 2026-06-30 |
Transfer History
Registry transfers of 206.129.6.0/23, blocks inside it, or blocks containing it.
- 206.129.0.0/16M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 206.129.0.0/16 | M&A |
Origin ASN
AS18530
ISOMEDIA-1 - Isomedia, Inc.
Related Prefixes
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/206.129.6.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/206.129.6.0/23" | jq
External Links