2600:3900::/28 - University Of Illinois (AS38)
CIDR
2600:3900::/28
IP Version
IPv6
Addresses
1267650.6Y
Mask
/28
Country
🇺🇸 United States
City
Urbana
RIR
ARIN
Status
allocated
Allocated
2025-12-18
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2600:3900::/28 | AS38 UIUC - University of Illinois | No ROA | Other IRR | 2026-10-12 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS38 | Other IRR | MAINT-AS38 | 2026-07-15 |
Origin ASN
AS38
UIUC - University of Illinois
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/2600:3900::/28Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2600:3900::/28" | jq
External Links