Home Prefix Lookup76.89.0.0/18

76.89.0.0/18 - Charter Communications (AS7843)

IPv4ARINannouncedAS7843TWC-7843-BB - Charter Communications Inc RPKI Valid

CIDR

76.89.0.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

Country

🇺🇸 United States

City

Chicago

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
76.89.0.0/18	AS7843 TWC-7843-BB - Charter Communications Inc	Valid	Other IRR	2026-10-11

More-Specific Announcements

8 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
76.89.0.0/19	AS10796 TWC-10796-MIDWEST - Charter Communications Inc	Valid	-	2026-10-11
76.89.32.0/21	AS11955 TWC-11955-ATLANTA - Charter Communications Inc	Valid	-	2026-10-11
76.89.40.0/22	AS11955 TWC-11955-ATLANTA - Charter Communications Inc	Valid	-	2026-10-11
76.89.44.0/22	AS20001 TWC-20001-PACWEST - Charter Communications Inc	Valid	-	2026-10-11
76.89.48.0/22	AS20001 TWC-20001-PACWEST - Charter Communications Inc	Valid	-	2026-10-11
76.89.52.0/24	AS10838 OCEANIC-INTERNET-RR - Charter Communications Inc	Valid	-	2026-10-11
76.89.54.0/23	AS10838 OCEANIC-INTERNET-RR - Charter Communications Inc	Valid	-	2026-10-11
76.89.56.0/23	AS20001 TWC-20001-PACWEST - Charter Communications Inc	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
76.89.0.0/18	AS7843	/18	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7843	Other IRR	MAINT-RR	2023-11-13

Transfer History

Registry transfers of 76.89.0.0/18, blocks inside it, or blocks containing it.

76.80.0.0/12M&A · 2018-11-26
Time Warner Cable Internet LLC
🇺🇸 US ARIN
→
Charter Communications Inc
🇺🇸 US ARIN

Date	Resource	From	To	Type
2018-11-26	76.80.0.0/12	Time Warner Cable Internet LLC 🇺🇸 US ARIN	Charter Communications Inc 🇺🇸 US ARIN	M&A

Origin ASN

AS7843

TWC-7843-BB - Charter Communications Inc

Related Prefixes

More prefixes of AS7843

All prefixes of AS7843 →

Geolocation

Country🇺🇸United StatesUS

RegionIllinois

CityChicago

Coordinates41.8781, -87.6298 ↗

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/76.89.0.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/76.89.0.0/18" | jq

External Links

RIPEstat