AS1124 UVA-NL Universiteit van Amsterdam

🇪🇺

Org handle: 92bdd213-bf6d-415e-b9bc-6f2620ba657f

Universiteit van Amsterdam

RIPE NCCallocated

Announced Prefixes (BGP)

4total

4 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)196,608

Announced (BGP)196,608

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

200

Prefix Limit (IPv6)

Country

🇪🇺 EU

RIR

Status

allocated

Allocated

1993-09-01

Announced Prefixes

(BGP)4

Prefix	RPKI	IRR	Last Seen
145.18.0.0/16	Valid	RIPE	2026-10-11
145.109.0.0/17	Valid	RIPE	2026-10-11
145.109.128.0/17	Valid	RIPE	2026-10-11
146.50.0.0/16	No ROA	RIPE	2026-10-11

(RIR)4

Prefix	Country	RIR	Status
145.18.0.0/16	🇳🇱 NL	RIPE	assigned
145.109.0.0/17	🇳🇱 NL	RIPE	assigned
145.109.128.0/17	🇳🇱 NL	RIPE	assigned
146.50.0.0/16	🇳🇱 NL	RIPENCC	assigned

(seen in AS paths)

Networks AS1124 hands its own prefixes to: transit providers, or peers at an exchange.

ASPA

No ASPA

External Links

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 AS1124 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

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

curl -s "https://api.ipctl.io/v1/asn/1124" | jq