AS21326 OpenNet-SA AT&T Global Network Services Nederland B.V.

🇳🇱

Org handle: ORG-AGNS1-RIPE

AT&T OpenNet-Service-AS

RIPE NCCallocated

Announced Prefixes (BGP)

11total

10 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)68,608

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)3×10²⁶

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

allocated

Allocated

2001-11-01

Announced Prefixes

(BGP)11

Prefix	RPKI	IRR	Last Seen
15.32.64.0/18	No ROA	Other IRR	2026-10-10
15.32.76.0/23	No ROA	Other IRR	2026-10-10
15.36.64.0/18	No ROA	Other IRR	2026-10-10
15.36.69.0/24	No ROA	Other IRR	2026-10-10
15.36.70.0/23	No ROA	Other IRR	2026-10-10
15.36.120.0/22	No ROA	Other IRR	2026-10-10
15.36.124.0/23	No ROA	Other IRR	2026-10-10
15.40.64.0/18	No ROA	Other IRR	2026-10-10
15.40.75.0/24	No ROA	Other IRR	2026-10-10
15.44.64.0/18	No ROA	Other IRR	2026-10-10

1-10 of 11

1 / 2

(seen in AS paths)

Networks AS21326 hands its own prefixes to: transit providers, or peers at an exchange.

ASPA

No ASPA

Abuse Contact

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 AS21326 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/21326" | jq