Home Prefix Lookup2601::/20

2601::/20 - Comcast Cable Communications (AS7922)

IPv6ARINallocatedAS7922COMCAST-7922 - Comcast Cable Communications, LLC RPKI Valid

CIDR

2601::/20

IP Version

IPv6

Addresses

324518553.6Y

Mask

/20

Country

🇺🇸 United States

City

Denver

RIR

ARIN

Status

allocated

Allocated

2011-06-03

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
2601::/20	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	Other IRR	2026-10-11

More-Specific Announcements

41 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
2601:0:8000::/36	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:0:9000::/36	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:0:a000::/36	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:40::/26	AS33287 COMCAST-33287 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:80::/26	AS33659 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:100::/26	AS33665 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:140::/26	AS33657 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:192:4500::/40	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:19c:4a00::/40	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:1c0::/26	AS33490 COMCAST-33490 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:200::/26	AS33667 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:240::/26	AS33491 COMCAST-33491 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:280::/26	AS33652 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:300::/26	AS33655 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:340::/26	AS33489 COMCAST-33489 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:380::/26	AS33656 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:3c0::/26	AS22258 COMCAST-22258 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:400::/26	AS33668 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:440::/26	AS13367 COMCAST-13367 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:4c0::/26	AS33666 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:500::/26	AS33653 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:540::/26	AS7016 CCCH-3 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:580::/26	AS20214 COMCAST-20214 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:5c0::/26	AS21508 COMCAST-21508 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:640::/26	AS33651 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:680::/26	AS33660 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:6c0::/26	AS33661 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:700::/26	AS33661 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:740::/26	AS33489 COMCAST-33489 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:800::/26	AS33491 COMCAST-33491 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:880::/26	AS33661 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:8c0::/26	AS33654 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:900::/26	AS33489 COMCAST-33489 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:980::/26	AS7016 CCCH-3 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:9c0::/26	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:a00::/26	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:a40::/26	AS36733 DNEO-OSP7 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:a40:202::/48	AS36733 DNEO-OSP7 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:a40:600::/40	AS36733 DNEO-OSP7 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:a40:700::/40	AS36733 DNEO-OSP7 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
2601:ac0::/26	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2601::/20	AS7922	/20	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7922	Other IRR	MAINT-AS7922	2023-11-13

Transfer History

Registry transfers of 2601::/20, blocks inside it, or blocks containing it.

2601::/20M&A · 2016-08-31
Comcast IP Services, L.L.C.
🇺🇸 US ARIN
→
Comcast Cable Communications, LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2016-08-31	2601::/20	Comcast IP Services, L.L.C. 🇺🇸 US ARIN	Comcast Cable Communications, LLC 🇺🇸 US ARIN	M&A

Origin ASN

AS7922

COMCAST-7922 - Comcast Cable Communications, LLC

Related Prefixes

More prefixes of AS7922

All prefixes of AS7922 →

Geolocation

Country🇺🇸United StatesUS

RegionColorado

CityDenver

Coordinates39.7392, -104.9900 ↗

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/2601::/20

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

curl -s "https://api.ipctl.io/v1/prefix/2601::/20" | jq

External Links

RIPEstat