AS11821 SMARTBURST - SmartBurst LLC

🇺🇸

ARINassigned

Announced Prefixes (BGP)

3total

3 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)1,536

Announced (BGP)1,536

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

2017-08-03

Announced Prefixes

(BGP)3

Prefix	RPKI	IRR	Last Seen
148.59.150.0/24	Valid	ARINOther IRR	2026-10-11
158.51.184.0/22	Valid	ARINOther IRR	2026-10-11
205.201.54.0/24	Valid	ARINOther IRR	2026-10-11

(RIR)4

Prefix	Country	RIR	Status
148.59.150.0/24	🇺🇸 US	ARIN	allocated
158.51.184.0/22	🇺🇸 US	ARIN	allocated
205.201.54.0/24	🇺🇸 US	ARIN	allocated
2604:5d40::/32	🇺🇸 US	ARIN	allocated

(seen in AS paths)

Networks AS11821 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 AS11821 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/11821" | jq