Home Prefix Lookup199.247.16.0/21

199.247.16.0/21 - The Constant Company (AS20473)

IPv4RIPE NCCannouncedAS20473AS-VULTR - The Constant Company, LLC RPKI Valid

CIDR

199.247.16.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇩🇪 Germany

City

Frankfurt

RIR

RIPE NCC

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
199.247.16.0/21	AS20473 AS-VULTR - The Constant Company, LLC	Valid	Other IRRRIPE	2026-10-14

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
199.247.0.0/19	AS20473	/32	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS20473	Other IRR	MAINT-AS20473	2026-01-12
AS20473	RIPE	MAINT-AS20473	2026-01-05

More Specific Prefixes

Prefix	Country	Status
199.247.16.0/23	🇩🇪DE	assigned
199.247.18.0/23	🇩🇪DE	assigned
199.247.20.0/23	🇩🇪DE	assigned
199.247.22.0/23	🇩🇪DE	assigned

Transfer History

Registry transfers of 199.247.16.0/21, blocks inside it, or blocks containing it.

199.247.0.0/19inter-RIRTransfer · 2017-12-14
NTnet Operations Ltd.
🇨🇦 CA ARIN
→
Choopa, LLC
RIPE NCC

Date	Resource	From	To	Type
2017-12-14	199.247.0.0/19inter-RIR	NTnet Operations Ltd. 🇨🇦 CA ARIN	Choopa, LLC RIPE NCC	Transfer

Origin ASN

AS20473

AS-VULTR - The Constant Company, LLC

Related Prefixes

More prefixes of AS20473

All prefixes of AS20473 →

Geolocation

Country🇩🇪GermanyDE

CityFrankfurt

Coordinates50.1113, 8.7174 ↗

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 RIPE NCC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/199.247.16.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/199.247.16.0/21" | jq

External Links

RIPEstat