Home Prefix Lookup2001:559:18a::/48

2001:559:18a::/48 - Comcast Cable Communications (AS33659)

IPv6ARINannouncedAS33659CMCS - Comcast Cable Communications, LLC RPKI Valid

CIDR

2001:559:18a::/48

IP Version

IPv6

Addresses

1.2Y

Mask

/48

Country

🇺🇸 United States

City

Plainfield

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
2001:559:18a::/48	AS33659 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:558::/29	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2001:559:18a::/48	AS33659	/48	arin
2001:558::/29	AS7922	/29	arin

Transfer History

Registry transfers of 2001:559:18a::/48, blocks inside it, or blocks containing it.

2001:558::/31M&A · 2016-08-31
Comcast Cable Communications, Inc.
🇺🇸 US ARIN
→
Comcast Cable Communications, LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2016-08-31	2001:558::/31	Comcast Cable Communications, Inc. 🇺🇸 US ARIN	Comcast Cable Communications, LLC 🇺🇸 US ARIN	M&A

Origin ASN

AS33659

CMCS - Comcast Cable Communications, LLC

Related Prefixes

Covering prefix

2001:558::/29AS7922

More prefixes of AS33659

All prefixes of AS33659 →

Geolocation

Country🇺🇸United StatesUS

RegionNew Jersey

CityPlainfield

Coordinates40.6179, -74.4176 ↗

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/2001:559:18a::/48

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

curl -s "https://api.ipctl.io/v1/prefix/2001:559:18a::/48" | jq

External Links

RIPEstat