Home Prefix Lookup142.11.124.0/23

142.11.124.0/23 - Charter Communications (AS20001)

IPv4ARINannouncedAS20001TWC-20001-PACWEST - Charter Communications Inc RPKI Invalid

CIDR

142.11.124.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇺🇸 United States

City

Greenwood Village

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
142.11.124.0/23	AS20001 TWC-20001-PACWEST - Charter Communications Inc	Invalid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
142.11.64.0/18	AS0	/18	arin
142.11.64.0/18	AS20001	/18	arin

Transfer History

Registry transfers of 142.11.124.0/23, blocks inside it, or blocks containing it.

142.11.64.0/18M&A · 2018-11-26
Time Warner Cable Internet LLC
🇺🇸 US ARIN
→
Charter Communications Inc
🇺🇸 US ARIN

Date	Resource	From	To	Type
2018-11-26	142.11.64.0/18	Time Warner Cable Internet LLC 🇺🇸 US ARIN	Charter Communications Inc 🇺🇸 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/142.11.124.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/142.11.124.0/23" | jq

External Links

RIPEstat