Home Prefix Lookup172.244.0.0/16

172.244.0.0/16 - Comcast Cable Communications (AS7922)

IPv4ARINallocatedAS7922COMCAST-7922 - Comcast Cable Communications, LLC RPKI Valid

CIDR

172.244.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇺🇸 United States

City

Greenwood Village

RIR

ARIN

Status

allocated

Allocated

2013-04-11

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
172.244.0.0/16	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	Other IRR	2026-10-13

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
172.244.0.0/16	AS7922	/16	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7922	Other IRR	MAINT-AS7922	2023-11-13

Origin ASN

AS7922

COMCAST-7922 - Comcast Cable Communications, LLC

Related Prefixes

More prefixes of AS7922

All prefixes of AS7922 →

Geolocation

Country🇺🇸United StatesUS

RegionColorado

CityGreenwood Village

Coordinates39.6172, -104.9510 ↗

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/172.244.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/172.244.0.0/16" | jq

External Links

RIPEstat