74.87.0.0/18 - Charter Communications (AS20001)
CIDR
74.87.0.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇺🇸 United States
City
Tehachapi
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 |
|---|---|---|---|---|
| 74.87.0.0/18 | AS20001 TWC-20001-PACWEST - Charter Communications Inc | Valid | Other IRR | 2026-10-11 |
More-Specific Announcements
3 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 74.87.0.0/20 | AS33363 BHN-33363 - Charter Communications, Inc | Valid | - | 2026-10-11 |
| 74.87.40.0/23 | AS20001 TWC-20001-PACWEST - Charter Communications Inc | Valid | - | 2026-10-11 |
| 74.87.48.0/20 | AS20001 TWC-20001-PACWEST - Charter Communications Inc | Valid | - | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 74.87.0.0/18 | AS20001 | /18 | arin |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS20001 | Other IRR | MAINT-RR | 2023-11-13 |
Transfer History
Registry transfers of 74.87.0.0/18, blocks inside it, or blocks containing it.
- 74.87.0.0/16M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 74.87.0.0/16 | 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/74.87.0.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/74.87.0.0/18" | jq
External Links