Home Prefix Lookup174.140.228.0/23

174.140.228.0/23 - Comcast Cable Communications (AS7922)

IPv4ARINannouncedAS7922COMCAST-7922 - Comcast Cable Communications, LLC RPKI Valid

CIDR

174.140.228.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇺🇸 United States

City

Seattle

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
174.140.228.0/23	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	Other IRR	2026-10-12

Covering Prefix

2 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
174.140.192.0/18	AS21769 AS-COLOAM - Colocation America Corporation	No ROA	-	2026-10-12
174.140.224.0/19	AS17252 AS2-COLOAM - Colocation America Corporation	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
174.140.228.0/23	AS7922	/24	arin
174.140.228.0/22	AS834	/24	arin
174.140.224.0/19	AS17252	/19	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7922	Other IRR	MAINT-AS834	2024-05-16

Origin ASN

AS7922

COMCAST-7922 - Comcast Cable Communications, LLC

Related Prefixes

Covering prefix

174.140.224.0/19AS17252

More prefixes of AS7922

All prefixes of AS7922 →

Geolocation

Country🇺🇸United StatesUS

RegionWashington

CitySeattle

Coordinates47.6061, -122.3330 ↗

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/174.140.228.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/174.140.228.0/23" | jq

External Links

RIPEstat