Home Prefix Lookup2001:558::/31

2001:558::/31 - BGP Prefix

IPv6ARINnot announced RPKI Valid

CIDR

2001:558::/31

IP Version

IPv6

Addresses

158456.3Y

Mask

/31

Country

🇺🇸 United States

City

Northlake

RIR

ARIN

Status

not announced

Allocated

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

111 more-specific announcements on this page, 3,111 in total

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:559:c4bc::/48	AS33659 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4bd::/48	AS33287 COMCAST-33287 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4be::/48	AS33287 COMCAST-33287 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4bf::/48	AS33657 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4c3::/48	AS20214 COMCAST-20214 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4c4::/48	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4c5::/48	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4c8::/48	AS21508 COMCAST-21508 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4c9::/48	AS21508 COMCAST-21508 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4cb::/48	AS33287 COMCAST-33287 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4d1::/48	AS33650 COMCAST-33650 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4d2::/48	AS33652 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4d4::/48	AS33287 COMCAST-33287 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4d5::/48	AS33667 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4d6::/48	AS33659 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4d8::/48	AS33651 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4d9::/48	AS33657 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4db::/48	AS21508 COMCAST-21508 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4dc::/48	AS33659 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4e1::/48	AS33490 COMCAST-33490 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4e2::/48	AS33662 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4e4::/48	AS33491 COMCAST-33491 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4e5::/48	AS33491 COMCAST-33491 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4e6::/48	AS7016 CCCH-3 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4ea::/48	AS33661 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4ec::/48	AS33655 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4ee::/48	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4ef::/48	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4f0::/48	AS20214 COMCAST-20214 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4f1::/48	AS20214 COMCAST-20214 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4f2::/48	AS20214 COMCAST-20214 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4f3::/48	AS33489 COMCAST-33489 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4f5::/48	AS33659 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4f6::/48	AS21508 COMCAST-21508 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4f7::/48	AS33657 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4f8::/48	AS33657 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4f9::/48	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4fa::/48	AS33491 COMCAST-33491 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4fb::/48	AS7016 CCCH-3 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4fc::/48	AS7725 COMCAST-7725 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4fd::/48	AS7016 CCCH-3 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c4fe::/48	AS7725 COMCAST-7725 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c500::/48	AS33668 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c501::/48	AS20214 COMCAST-20214 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c502::/48	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c503::/48	AS33659 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c505::/48	AS33657 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c506::/48	AS33662 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c507::/48	AS33666 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c508::/48	AS7725 COMCAST-7725 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c509::/48	AS33287 COMCAST-33287 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c50a::/48	AS33659 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c50d::/48	AS13367 COMCAST-13367 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c50e::/48	AS7016 CCCH-3 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c510::/48	AS33287 COMCAST-33287 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c511::/48	AS33287 COMCAST-33287 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c512::/48	AS33659 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c515::/48	AS21508 COMCAST-21508 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c516::/48	AS33657 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c517::/48	AS33654 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c51a::/48	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c51b::/48	AS20214 COMCAST-20214 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c520::/48	AS20214 COMCAST-20214 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c522::/48	AS33651 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c523::/48	AS33651 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c528::/48	AS13367 COMCAST-13367 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c52a::/48	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c52b::/48	AS33287 COMCAST-33287 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c52c::/48	AS20214 COMCAST-20214 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c52f::/48	AS33490 COMCAST-33490 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c530::/48	AS33491 COMCAST-33491 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c533::/48	AS33650 COMCAST-33650 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c534::/48	AS33650 COMCAST-33650 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c536::/48	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c538::/48	AS21508 COMCAST-21508 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c539::/48	AS33668 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c53a::/48	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c53b::/48	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c53d::/48	AS33491 COMCAST-33491 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c53e::/48	AS33652 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c53f::/48	AS33650 COMCAST-33650 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c540::/48	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c541::/48	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c542::/48	AS33650 COMCAST-33650 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c543::/48	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c544::/48	AS33489 COMCAST-33489 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c545::/48	AS33287 COMCAST-33287 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c547::/48	AS13367 COMCAST-13367 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c54b::/48	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c54c::/48	AS33660 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c54f::/48	AS33657 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c550::/48	AS7725 COMCAST-7725 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c551::/48	AS33667 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c552::/48	AS33662 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c553::/48	AS33654 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c554::/48	AS33662 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c555::/48	AS33654 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c557::/48	AS20214 COMCAST-20214 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c55a::/48	AS7016 CCCH-3 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c55d::/48	AS33652 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c55e::/48	AS20214 COMCAST-20214 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c55f::/48	AS33651 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c560::/48	AS33651 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c564::/48	AS13367 COMCAST-13367 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c565::/48	AS13367 COMCAST-13367 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c568::/48	AS33668 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c569::/48	AS7725 COMCAST-7725 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c56a::/48	AS33662 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c56b::/48	AS7725 COMCAST-7725 - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c572::/48	AS33657 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-13
2001:559:c574::/48	AS7016 CCCH-3 - Comcast Cable Communications, LLC	Valid	-	2026-10-13

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2001:558::/29	AS7922	/29	arin

Transfer History

Registry transfers of 2001:558::/31, 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

Related Prefixes

Covering prefix

2001:558::/29AS7922

Geolocation

Country🇺🇸United StatesUS

RegionIllinois

CityNorthlake

Coordinates41.9173, -87.8956 ↗

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/2001:558::/31

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

curl -s "https://api.ipctl.io/v1/prefix/2001:558::/31" | jq

External Links

RIPEstat