2001:558:2f0::/44 - Comcast Cable Communications (AS33657)
CIDR
2001:558:2f0::/44
IP Version
IPv6
Addresses
19.3Y
Mask
/44
Country
🇺🇸 United States
City
Baltimore (Reisterstown Station)
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 |
|---|---|---|---|---|
| 2001:558:2f0::/44 | AS33657 CMCS - Comcast Cable Communications, LLC | Valid | - | 2026-10-11 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2001:558::/29 | AS7922 COMCAST-7922 - Comcast Cable Communications, LLC | Valid | - | 2026-10-11 |
Transfer History
Registry transfers of 2001:558:2f0::/44, blocks inside it, or blocks containing it.
- 2001:558::/31M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 2001:558::/31 | M&A |
Related Prefixes
Geolocation
Country🇺🇸United StatesUS
RegionMaryland
CityBaltimore (Reisterstown Station)
Coordinates39.3464, -76.7076 ↗
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/2001:558:2f0::/44Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2001:558:2f0::/44" | jq
External Links