Home ASN LookupAS21686

AS21686 SYSTEMMETRICS-1 - Hawaiian Telcom Services Company, Inc.

🇺🇸

ARINassigned

Announced Prefixes (BGP)

4total

4 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)24,576

Announced (BGP)24,576

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇺🇸 US

RIR

ARIN

Status

assigned

Allocated

2001-06-08

Announced Prefixes

(BGP)4

Prefix	RPKI	IRR	Last Seen
64.111.176.0/20	No ROA	Other IRR	2026-10-11
66.135.224.0/19	No ROA	Other IRR	2026-10-11
66.175.64.0/19	No ROA	Other IRR	2026-10-11
208.103.96.0/20	No ROA	Other IRR	2026-10-11

Allocated Prefixes

(RIR)4

Prefix	Country	RIR	Status
64.111.176.0/20	🇺🇸 US	ARIN	allocated
66.135.224.0/19	🇺🇸 US	ARIN	allocated
66.175.64.0/19	🇺🇸 US	ARIN	allocated
208.103.96.0/20	🇺🇸 US	ARIN	allocated

All 4 announced prefixes of AS21686 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS21686 hands its own prefixes to: transit providers, or peers at an exchange.

AS36149Hawaiian Telcom Services Company4

Downstreams (1)

Networks whose own prefixes AS21686 passes on: usually its customers.

AS21695-2

Transfer History

Registry transfers of AS21686 between organisations.

AS21686M&A · 2025-07-10
SystemMetrics Corporation
🇺🇸 US ARIN
→
Hawaiian Telcom Services Company, Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-07-10	AS21686	SystemMetrics Corporation 🇺🇸 US ARIN	Hawaiian Telcom Services Company, Inc. 🇺🇸 US ARIN	M&A

ASPA

No ASPA

External Links

ARIN 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 AS21686 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

Open

GEThttps://api.ipctl.io/v1/asn/21686

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

curl -s "https://api.ipctl.io/v1/asn/21686" | jq