Home Prefix Lookup166.167.0.0/16

166.167.0.0/16 - BGP Prefix

IPv4ARINnot announced RPKI Valid

CIDR

166.167.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇺🇸 United States

City

Sunnyvale

RIR

ARIN

Status

not announced

Allocated

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

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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.

Related Announcements

2 less-specific, 2 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
166.164.0.0/14	AS22394 CELLCO - Verizon Business	Valid	-	2026-10-11
166.166.0.0/15	AS22394 CELLCO - Verizon Business	Valid	-	2026-10-11
166.167.0.0/17	AS6167 CELLCO-PART - Verizon Business	Valid	-	2026-10-11
166.167.128.0/17	AS6167 CELLCO-PART - Verizon Business	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
166.166.0.0/15	AS6167	/15	arin
166.166.0.0/15	AS22394	/15	arin
166.164.0.0/14	AS6167	/14	arin
166.164.0.0/14	AS22394	/14	arin
166.160.0.0/13	AS0	/13	arin

Transfer History

Registry transfers of 166.167.0.0/16, blocks inside it, or blocks containing it.

166.167.0.0/16Transfer · 2025-03-25
Wireless Data Service Provider Corporation
🇺🇸 US ARIN
→
Verizon Business
🇺🇸 US ARIN
166.128.0.0/9M&A · 2024-02-28
Service Provider Corporation
🇺🇸 US ARIN
→
Wireless Data Service Provider Corporation
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-03-25	166.167.0.0/16	Wireless Data Service Provider Corporation 🇺🇸 US ARIN	Verizon Business 🇺🇸 US ARIN	Transfer
2024-02-28	166.128.0.0/9	Service Provider Corporation 🇺🇸 US ARIN	Wireless Data Service Provider Corporation 🇺🇸 US ARIN	M&A

Related Prefixes

Covering prefix

166.166.0.0/15AS22394

Geolocation

Country🇺🇸United StatesUS

RegionCalifornia

CitySunnyvale

Coordinates37.3688, -122.0360 ↗

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/166.167.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/166.167.0.0/16" | jq

External Links

RIPEstat