Home Prefix Lookup217.216.221.0/24

217.216.221.0/24 - HOST4NERD (AS401362)

IPv4RIPEassignedAS401362HOST4NERD - HOST4NERD LLC RPKI Valid

CIDR

217.216.221.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇭🇰 Hong Kong

City

Hong Kong

RIR

RIPE

Status

assigned

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
217.216.221.0/24	AS401362 HOST4NERD - HOST4NERD LLC	Valid	Other IRRRIPE	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
217.216.208.0/20	AS19318 IS-AS-1 - Interserver, Inc	Invalid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
217.216.221.0/24	AS401362	/24	ripe
217.216.208.0/20	AS834	/24	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS401362	Other IRR	MAINT-AS834	2026-09-30
AS401362	RIPE	netutils-mnt	2026-09-30

Transfer History

Registry transfers of 217.216.221.0/24, blocks inside it, or blocks containing it.

217.216.0.0/15Transfer · 2025-07-04
VODAFONE ONO, S.A.
RIPE NCC
→
TerraTransit AG
RIPE NCC

Date	Resource	From	To	Type
2025-07-04	217.216.0.0/15	VODAFONE ONO, S.A. RIPE NCC	TerraTransit AG RIPE NCC	Transfer

Origin ASN

AS401362

HOST4NERD - HOST4NERD LLC

Related Prefixes

Covering prefix

217.216.208.0/20AS19318

More prefixes of AS401362

All prefixes of AS401362 →

Geolocation

Country🇭🇰Hong KongHK

RegionKowloon

CityHong Kong

Coordinates22.3193, 114.1690 ↗

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 transfer marketTransfers published by all five RIRs

API

Open

GEThttps://api.ipctl.io/v1/prefix/217.216.221.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/217.216.221.0/24" | jq

External Links

RIPEstat