8.237.128.0/21 - Google (AS396982)
CIDR
8.237.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Mountain View
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 8.237.128.0/21 | AS396982 GOOGLE-CLOUD-PLATFORM - Google LLC | Valid | Other IRR | 2026-10-11 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 8.236.0.0/15 | AS3356 LEVEL3 - Level 3 Parent, LLC | Invalid | - | 2026-10-11 |
| 8.236.0.0/15 | AS396982 GOOGLE-CLOUD-PLATFORM - Google LLC | Valid | - | 2026-10-11 |
| 8.237.0.0/16 | AS396982 GOOGLE-CLOUD-PLATFORM - Google LLC | Invalid | - | 2026-10-11 |
RPKI ROAs
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS396982 | Other IRR | MAINT-AS15169 | 2026-09-16 |
Transfer History
Registry transfers of 8.237.128.0/21, blocks inside it, or blocks containing it.
- 8.236.0.0/15Transfer ·
- 8.0.0.0/8M&A ·
Related Prefixes
More prefixes of AS396982
All prefixes of AS396982 →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/8.237.128.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/8.237.128.0/21" | jq
External Links