Home Prefix Lookup208.81.200.0/22

208.81.200.0/22 - Zenlayer (AS21859)

IPv4ARINallocatedAS21859ZEN-ECN - Zenlayer Inc RPKI Valid

CIDR

208.81.200.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇳🇱 Netherlands

City

Amsterdam

RIR

ARIN

Status

allocated

Allocated

2007-08-24

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
208.81.200.0/22	AS21859 ZEN-ECN - Zenlayer Inc	Valid	Other IRR	2026-10-13

More-Specific Announcements

3 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
208.81.200.0/24	AS21859 ZEN-ECN - Zenlayer Inc	Valid	-	2026-10-13
208.81.202.0/24	AS21859 ZEN-ECN - Zenlayer Inc	Valid	-	2026-10-13
208.81.203.0/24	AS21859 ZEN-ECN - Zenlayer Inc	Valid	-	2026-10-13

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
208.81.200.0/22	AS21859	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS21859	Other IRR	MAINT-AS58453	2023-11-13

Transfer History

Registry transfers of 208.81.200.0/22, blocks inside it, or blocks containing it.

208.81.200.0/22M&A · 2018-01-12
Zenlayer Inc
🇺🇸 US ARIN
→
Zenlayer Inc
🇺🇸 US ARIN

Date	Resource	From	To	Type
2018-01-12	208.81.200.0/22	Zenlayer Inc 🇺🇸 US ARIN	Zenlayer Inc 🇺🇸 US ARIN	M&A

Origin ASN

AS21859

ZEN-ECN - Zenlayer Inc

Related Prefixes

More prefixes of AS21859

All prefixes of AS21859 →

Geolocation

Country🇳🇱NetherlandsNL

CityAmsterdam

Coordinates52.3676, 4.9041 ↗

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/208.81.200.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/208.81.200.0/22" | jq

External Links

RIPEstat