Home ASN LookupAS207852

AS207852 Y525-Network Yonghan Ching

🇲🇾

Org handle: ORG-YC22-RIPE

RIPE NCCallocatedASPA Published

Announced Prefixes (BGP)

21total

0 IPv421 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)0

IPv6 Addresses

Allocated (RIR)3.4×10²⁶

Announced (BGP)3.5×10²⁶

Prefix Limit (IPv4)

Prefix Limit (IPv6)

100

Country

🇲🇾 MY

RIR

RIPE NCC

Status

allocated

Allocated

2019-11-15

Routing hygiene

Score 3/100 · Low risk

RPKI ROA coverage

100%

no RPKI invalid prefixes

IRR route objects

100%

no origin mismatches

Hijack signals

0 announced against others' ROAs, 0 own announced by others

Upstreams

diversity 68/100

All announced prefixes have a valid ROA and a matching IRR route object

Based on 21 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained

Announced Prefixes

(BGP)21

Prefix	RPKI	IRR	Last Seen
2a01:e281:aa00::/40	Valid	RIPE	2026-10-26
2a01:e281:aab1::/48	Valid	RIPE	2026-10-26
2a01:e281:aab2::/48	Valid	RIPE	2026-10-26
2a01:e281:aab3::/48	Valid	RIPE	2026-10-26
2a01:e281:aab4::/48	Valid	RIPE	2026-10-26
2a01:e281:aac1::/48	Valid	-	2026-10-26
2a01:e281:aac2::/48	Valid	-	2026-10-26
2a01:e281:aac3::/48	Valid	-	2026-10-26
2a01:e281:aac4::/48	Valid	-	2026-10-26
2a01:e281:aafa::/48	Valid	RIPE	2026-10-26

1-10 of 21

1 / 3

Allocated Prefixes

(RIR)13

Prefix	Country	RIR	Status
2a01:e281:aa00::/40	🇯🇪 JE	RIPE	assigned
2a01:e281:aab1::/48	🇳🇱 NL	RIPE	assigned
2a01:e281:aab2::/48	🇧🇪 BE	RIPE	assigned
2a01:e281:aab3::/48	🇱🇺 LU	RIPE	assigned
2a01:e281:aab4::/48	🇩🇪 DE	RIPE	assigned
2a01:e281:aafa::/48	🇵🇭 PH	RIPE	assigned
2a01:e281:aafb::/48	🇹🇱 TL	RIPE	assigned
2a01:e281:aafc::/48	🇧🇳 BN	RIPE	assigned
2a01:e281:aafd::/48	🇮🇩 ID	RIPE	assigned
2a01:e281:aafe::/48	🇸🇬 SG	RIPE	assigned

1-10 of 13

1 / 2

All 21 announced prefixes of AS207852 →

Upstream Providers(5)

ASN	Name
AS21738	🇺🇸ROZINT - Rozint
AS41051	🇨🇭FREETRANSIT Openfactory GmbH
AS53356	🇨🇦FREE RANGE CLOUD - Free Range Cloud Hosting Inc.
AS58057	🇨🇭SECUREBIT Securebit AG
AS206075	🇩🇪HOLLANDER-JACOBSEN Hollander & Jacobsen UG (haftungsbeschraenkt)

BGP Neighbours

(seen in AS paths)

Upstreams (3)

Networks AS207852 hands its own prefixes to: transit providers, or peers at an exchange.

AS53356FREE RANGE CLOUD Free Range Cloud Hosting9
AS213605Pysio Research NetWork Liu HaoRan7
AS41051FREETRANSIT Openfactory5

ASPA

Published5 upstreams, 0 downstreams

Authorized Upstream Providers

AS21738 AS41051 AS53356 AS58057 AS206075

Expires 2026-10-27

View full ASPA details →

Abuse Contact

External Links

RIPE Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
How to run an ASPA checkVerify the upstream providers listed above
IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/207852

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/207852" | jq