Home Prefix Lookup2602:ffc6:600::/40

2602:ffc6:600::/40 - Massive Networks (AS21777)

IPv6ARINannouncedAS21777MASSIVE-NETWORKS-21777 - Massive Networks, Inc. RPKI Valid

CIDR

2602:ffc6:600::/40

IP Version

IPv6

Addresses

309.4Y

Mask

/40

Country

🇺🇸 United States

City

Seattle

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
2602:ffc6:600::/40	AS21777 MASSIVE-NETWORKS-21777 - Massive Networks, Inc.	Valid	ARINOther IRR	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2602:ffc6:600::/40	AS21777	/40	arin
2602:ffc6::/36	AS21777	/36	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS21777	ARIN	MNT-MN-407	2026-05-13
AS21777	Other IRR	MAINT-AS13345	2023-11-13

Transfer History

Registry transfers of 2602:ffc6:600::/40, blocks inside it, or blocks containing it.

2602:ffc6::/36M&A · 2026-02-25
Massive Networks
🇺🇸 US ARIN
→
Massive Networks, Inc.
🇺🇸 US ARIN
2602:ffc6::/36M&A · 2018-04-11
Massive Networks
🇺🇸 US ARIN
→
Rockynet.com, Inc
🇺🇸 US ARIN

Date	Resource	From	To	Type
2026-02-25	2602:ffc6::/36	Massive Networks 🇺🇸 US ARIN	Massive Networks, Inc. 🇺🇸 US ARIN	M&A
2018-04-11	2602:ffc6::/36	Massive Networks 🇺🇸 US ARIN	Rockynet.com, Inc 🇺🇸 US ARIN	M&A

Origin ASN

AS21777

MASSIVE-NETWORKS-21777 - Massive Networks, Inc.

Related Prefixes

More prefixes of AS21777

All prefixes of AS21777 →

Geolocation

Country🇺🇸United StatesUS

RegionWashington

CitySeattle

Coordinates47.6061, -122.3330 ↗

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/2602:ffc6:600::/40

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

curl -s "https://api.ipctl.io/v1/prefix/2602:ffc6:600::/40" | jq

External Links

RIPEstat