Home ASN LookupAS212154

AS212154 SARUNETWORK-AS Wei-Cheng Tsai

🇹🇼

Org handle: ORG-WT57-RIPE

Saru Network

RIPE NCCallocated

Announced Prefixes (BGP)

3total

0 IPv43 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)0

IPv6 Addresses

Allocated (RIR)4.4×10²⁵

Announced (BGP)3.6×10²⁴

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇹🇼 TW

RIR

RIPE NCC

Status

allocated

Allocated

2022-08-10

Routing hygiene

Score 20/100 · Low risk

RPKI ROA coverage

66.7%

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 0/100

33% of announced prefixes (1 of 3) have no valid ROA
Only one upstream seen in the AS paths of its routes

Based on 3 announced prefixes, updated daily (2026-10-21). How the score works · RPKI explained

Announced Prefixes

(BGP)3

Prefix	RPKI	IRR	Last Seen
2a05:dfc3:fd0f::/48	Valid	RIPE	-
2a0e:8f02:f047::/48	Valid	RIPE	-
2a0e:b107:1c0f::/48	Valid	RIPE	-

Allocated Prefixes

(RIR)7

Prefix	Country	RIR	Status
2a05:dfc3:fd00::/44	🇺🇸 US	RIPE	assigned
2a05:dfc3:fd00::/48	🇹🇼 TW	RIPE	assigned
2a05:dfc3:fd0e::/48	🇹🇼 TW	RIPE	assigned
2a05:dfc3:fd0f::/48	🇹🇼 TW	RIPE	assigned
2a0e:8f02:f047::/48	🇩🇪 DE	RIPE	assigned
2a0e:b107:1c00::/44	🇹🇼 TW	RIPE	assigned
2a0e:b107:1c0f::/48	🇹🇼 TW	RIPE	assigned

All 3 announced prefixes of AS212154 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS212154 hands its own prefixes to: transit providers, or peers at an exchange.

AS212895ROUTE64 ORG Johannes Ernst3

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 AS212154 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/212154

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

curl -s "https://api.ipctl.io/v1/asn/212154" | jq