18.155.78.0/24 - Amazon.Com (AS16509)
CIDR
18.155.78.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
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 |
|---|---|---|---|---|
| 18.155.78.0/24 | AS16509 AMAZON-02 - Amazon.com, Inc. | Valid | - | 2026-10-11 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 18.155.76.0/22 | AS16509 AMAZON-02 - Amazon.com, Inc. | Valid | - | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 18.154.0.0/15 | AS16509 | /24 | arin |
Transfer History
Registry transfers of 18.155.78.0/24, blocks inside it, or blocks containing it.
- 18.154.0.0/15Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 18.154.0.0/15 | Transfer |
Origin ASN
AS16509
AMAZON-02 - Amazon.com, Inc.
Related Prefixes
More prefixes of AS16509
All prefixes of AS16509 →Geolocation
This is an anycast prefix. The location shown is the organization HQ - actual server location varies by your network path.
Country🇺🇸United StatesUS
RegionWashington
CitySeattle
TimezoneAmerica/Los_Angeles
Coordinates47.6062, -122.3321 ↗
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/18.155.78.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/18.155.78.0/24" | jq
External Links