2603:8001:cb00::/40 - Charter Communications (AS20001)
CIDR
2603:8001:cb00::/40
IP Version
IPv6
Addresses
309.4Y
Mask
/40
Country
🇺🇸 United States
City
Gunnison
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2603:8001:cb00::/40 | AS20001 TWC-20001-PACWEST - Charter Communications Inc | Valid | - | 2026-10-11 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2603:8000::/28 | AS20001 TWC-20001-PACWEST - Charter Communications Inc | Valid | - | 2026-10-11 |
Transfer History
Registry transfers of 2603:8001:cb00::/40, blocks inside it, or blocks containing it.
- 2603:8000::/24M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 2603:8000::/24 | M&A |
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/2603:8001:cb00::/40Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2603:8001:cb00::/40" | jq
External Links