Home Prefix Lookup64.84.120.0/21

64.84.120.0/21 - Comcast Cable Communications (AS33651)

IPv4ARINannouncedAS33651CMCS - Comcast Cable Communications, LLC RPKI Valid

CIDR

64.84.120.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇺🇸 United States

City

"San Jose"

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
64.84.120.0/21	AS33651 CMCS - Comcast Cable Communications, LLC	Valid	ARINOther IRR	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
64.84.120.0/21	AS7922	/24	arin
64.84.120.0/21	AS33651	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7922	ARIN	MNT-DCL-577	2025-01-07
AS33651	ARIN	MNT-DCL-577	2025-01-07
AS7922	Other IRR	MAINT-AS834	2023-11-13
AS33651	Other IRR	MAINT-AS834	2023-11-20

Transfer History

Registry transfers of 64.84.120.0/21, blocks inside it, or blocks containing it.

64.84.96.0/19M&A · 2025-01-06
Winbeam
🇺🇸 US ARIN
→
CTI Networks Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-01-06	64.84.96.0/19	Winbeam 🇺🇸 US ARIN	CTI Networks Inc. 🇺🇸 US ARIN	M&A

Origin ASN

AS33651

CMCS - Comcast Cable Communications, LLC

Related Prefixes

More prefixes of AS33651

All prefixes of AS33651 →

Geolocation

Country🇺🇸United StatesUS

City"San Jose"

Coordinates37.3387, -121.8850 ↗

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

GEThttps://api.ipctl.io/v1/prefix/64.84.120.0/21

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/64.84.120.0/21" | jq

External Links

RIPEstat