2607:f220:400::/43 - National Institutes Of Health (AS3527)
CIDR
2607:f220:400::/43
IP Version
IPv6
Addresses
38.6Y
Mask
/43
Country
🇺🇸 United States
City
Bethesda
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2607:f220:400::/43 | AS3527 NIH-NET - National Institutes of Health | Valid | ARINOther IRR | 2026-10-12 |
More-Specific Announcements
3 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2607:f220:411::/48 | AS70 NLM-GW - National Library of Medicine | Valid | - | 2026-10-12 |
| 2607:f220:41e::/48 | AS70 NLM-GW - National Library of Medicine | Valid | - | 2026-10-12 |
| 2607:f220:41f::/48 | AS393689 NLM-NCCS - National Library of Medicine | Valid | - | 2026-10-12 |
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/2607:f220:400::/43Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2607:f220:400::/43" | jq
External Links