Home Prefix Lookup2001:420:5500::/40

2001:420:5500::/40 - CISCO SYSTEMS (AS109)

IPv6ARINannouncedAS109CISCOSYSTEMS - CISCO SYSTEMS, INC. RPKI Valid

CIDR

2001:420:5500::/40

IP Version

IPv6

Addresses

309.4Y

Mask

/40

Country

🇺🇸 United States

City

Wilmington

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
2001:420:5500::/40	AS109 CISCOSYSTEMS - CISCO SYSTEMS, INC.	Valid	-	2026-10-11

Covering Prefix

2 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:420::/32	AS109 CISCOSYSTEMS - CISCO SYSTEMS, INC.	Valid	-	2026-10-11
2001:420:5400::/39	AS109 CISCOSYSTEMS - CISCO SYSTEMS, INC.	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2001:420::/32	AS109	/48	arin
2001:420::/32	AS198949	/48	arin

Transfer History

Registry transfers of 2001:420:5500::/40, blocks inside it, or blocks containing it.

2001:420::/32M&A · 2023-09-12
Cisco Systems, Inc.
🇺🇸 US ARIN
→
CISCO SYSTEMS, INC.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2023-09-12	2001:420::/32	Cisco Systems, Inc. 🇺🇸 US ARIN	CISCO SYSTEMS, INC. 🇺🇸 US ARIN	M&A

Origin ASN

AS109

CISCOSYSTEMS - CISCO SYSTEMS, INC.

Related Prefixes

Covering prefix

2001:420:5400::/39AS109

More prefixes of AS109

All prefixes of AS109 →

Geolocation

Country🇺🇸United StatesUS

RegionDelaware

CityWilmington

Coordinates39.7598, -75.6226 ↗

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/2001:420:5500::/40

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

curl -s "https://api.ipctl.io/v1/prefix/2001:420:5500::/40" | jq

External Links

RIPEstat