Home Prefix Lookup66.53.164.0/22

66.53.164.0/22 - Charter Communications (AS20001)

IPv4ARINannouncedAS20001TWC-20001-PACWEST - Charter Communications Inc RPKI Invalid

CIDR

66.53.164.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇺🇸 United States

City

Greenwood Village

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
66.53.164.0/22	AS20001 TWC-20001-PACWEST - Charter Communications Inc	Invalid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
66.53.160.0/21	AS20001	/21	arin
66.52.0.0/15	AS0	/15	arin

Transfer History

Registry transfers of 66.53.164.0/22, blocks inside it, or blocks containing it.

66.52.0.0/15Transfer · 2018-05-03
TNCI Impact, LLC
🇺🇸 US ARIN
→
Charter Communications
🇺🇸 US ARIN
66.52.0.0/15M&A · 2018-02-13
Pac-West Telecomm, INC.
🇺🇸 US ARIN
→
TNCI Impact, LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2018-05-03	66.52.0.0/15	TNCI Impact, LLC 🇺🇸 US ARIN	Charter Communications 🇺🇸 US ARIN	Transfer
2018-02-13	66.52.0.0/15	Pac-West Telecomm, INC. 🇺🇸 US ARIN	TNCI Impact, LLC 🇺🇸 US ARIN	M&A

Origin ASN

AS20001

TWC-20001-PACWEST - Charter Communications Inc

Related Prefixes

More prefixes of AS20001

All prefixes of AS20001 →

Geolocation

Country🇺🇸United StatesUS

RegionColorado

CityGreenwood Village

Coordinates39.6029, -104.8890 ↗

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/66.53.164.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/66.53.164.0/22" | jq

External Links

RIPEstat