AS11963 ASN-PENNWELL - Clarion Events

🇺🇸

ARINassigned

Announced Prefixes (BGP)

0total

0 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)0

IPv6 Addresses

Allocated (RIR)1.2×10²⁴

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

1999-02-16

Allocated Prefixes

(RIR)1

Prefix	Country	RIR	Status
2620:ae:4000::/48	🇺🇸 US	ARIN	allocated

Registry transfers of AS11963 between organisations.

Date	Resource	From	To	Type
2025-10-16	AS11963	PennWell Corporation 🇺🇸 US ARIN	Clarion Events 🇺🇸 US ARIN	M&A

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 AS11963 should publish an ASPA object
IPv4 transfers in the ARIN 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/11963" | jq