Home ASN LookupAS203472

AS203472 POEMA-AS-EU PENG YUJEN

🇹🇼

Org handle: ORG-POEM3-RIPE

Poema Network(EU)

RIPE NCCallocated

Announced Prefixes (BGP)

9total

0 IPv49 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)0

IPv6 Addresses

Allocated (RIR)6.6×10²⁵

Announced (BGP)8.3×10²⁵

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇹🇼 TW

RIR

RIPE NCC

Status

allocated

Allocated

2022-08-03

Routing hygiene

Score 12/100 · Low risk

RPKI ROA coverage

77.8%

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 49/100

22% of announced prefixes (2 of 9) have no valid ROA

Based on 9 announced prefixes, updated daily (2026-10-24). How the score works · RPKI explained

Announced Prefixes

(BGP)9

Prefix	RPKI	IRR	Last Seen
2401:5a0:bbb0::/44	Valid	APNIC	-
2401:5a0:bbbb::/48	Valid	APNIC	-
2406:840:9840::/44	Valid	APNIC	-
2602:feda:a80::/44	No ROA	ARIN	-
2a0e:8f02:f046::/48	Valid	RIPE	-
2a0e:b107:2710::/44	Valid	RIPE	-
2a0e:b107:2711::/48	Valid	RIPE	-
2a0e:b107:2716::/48	Valid	RIPE	-
2a12:3fc2:ddff::/48	No ROA	RIPE	-

Allocated Prefixes

(RIR)10

Prefix	Country	RIR	Status
2400:e3e0:f5a8::/48	🇭🇰 HK	APNIC	assigned
2401:5a0:bbb0::/44	🇺🇸 US	APNIC	assigned
2401:5a0:bbbb::/48	🇺🇸 US	APNIC	assigned
2406:840:9840::/44	🇹🇼 TW	APNIC	assigned
2a0e:8f02:f046::/48	🇦🇶 AQ	RIPE	assigned
2a0e:b107:2710::/44	🇹🇼 TW	RIPE	assigned
2a0e:b107:2711::/48	🇹🇼 TW	RIPE	assigned
2a0e:b107:2712::/48	🇭🇰 HK	RIPE	assigned
2a0e:b107:2716::/48	🇺🇸 US	RIPE	assigned
2a12:3fc2:ddff::/48	🇹🇼 TW	RIPE	assigned

All 9 announced prefixes of AS203472 →

BGP Neighbours

(seen in AS paths)

Upstreams (3)

Networks AS203472 hands its own prefixes to: transit providers, or peers at an exchange.

AS7720Skywolf Technology5
AS207705JK NETWORK Jyun Kai Hu3
AS213605Pysio Research NetWork Liu HaoRan1

Downstreams (2)

Networks whose own prefixes AS203472 passes on: usually its customers.

AS138401TupleTech Corporation1
AS199594PMIX Poema EXchange1

ASPA

No ASPA

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
ASPA explainedWhy AS203472 should publish an ASPA object
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/203472

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

curl -s "https://api.ipctl.io/v1/asn/203472" | jq