72.129.0.0/17 - Charter Communications (AS20001)
CIDR
72.129.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇺🇸 United States
City
San Diego
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 |
|---|---|---|---|---|
| 72.129.0.0/17 | AS20001 TWC-20001-PACWEST - Charter Communications Inc | Valid | Other IRR | 2026-10-11 |
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 72.129.42.0/23 | AS10838 OCEANIC-INTERNET-RR - Charter Communications Inc | Valid | - | 2026-10-11 |
| 72.129.50.0/23 | AS19115 CHARTER-19115-DC - Charter Communications LLC | Invalid | - | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 72.129.0.0/17 | AS20001 | /17 | arin |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS20001 | Other IRR | MAINT-RR | 2023-11-13 |
Transfer History
Registry transfers of 72.129.0.0/17, blocks inside it, or blocks containing it.
- 72.128.0.0/13M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 72.128.0.0/13 | M&A |
Related Prefixes
More prefixes of AS20001
All prefixes of AS20001 →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/72.129.0.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/72.129.0.0/17" | jq
External Links