Home ASN LookupAS19021

AS19021 BTC-BROADBAND - BTC Broadband Inc.

🇺🇸

ARINassigned

Announced Prefixes (BGP)

16total

16 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)13,312

Announced (BGP)29,184

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇺🇸 US

RIR

ARIN

Status

assigned

Allocated

2006-07-25

Announced Prefixes

(BGP)16

Prefix	RPKI	IRR	Last Seen
8.43.40.0/24	No ROA	-	2026-10-11
8.43.41.0/24	No ROA	Other IRR	2026-10-11
38.59.144.0/20	No ROA	-	2026-10-11
38.59.147.0/24	No ROA	-	2026-10-11
38.59.152.0/21	No ROA	-	2026-10-11
38.146.144.0/20	No ROA	-	2026-10-11
38.187.144.0/20	No ROA	-	2026-10-11
67.217.144.0/20	No ROA	ARINOther IRR	2026-10-11
67.217.150.0/24	No ROA	ARIN	2026-10-11
67.217.151.0/24	No ROA	ARIN	2026-10-11

1-10 of 16

1 / 2

Allocated Prefixes

(RIR)5

Prefix	Country	RIR	Status
67.217.144.0/20	🇺🇸 US	ARIN	allocated
162.208.44.0/22	🇺🇸 US	ARIN	allocated
209.150.240.0/20	🇺🇸 US	ARIN	allocated
216.14.144.0/20	🇺🇸 US	ARIN	allocated
2610:b8::/32	🇺🇸 US	ARIN	allocated

All 16 announced prefixes of AS19021 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS19021 hands its own prefixes to: transit providers, or peers at an exchange.

AS3356Level 3 Parent12
AS174Cogent Communications4

Downstreams (2)

Networks whose own prefixes AS19021 passes on: usually its customers.

AS13453DIVERSIFIED SYSTEMS RESOURCES1
AS25950Beggs Telephone Company1

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 AS19021 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/19021

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

curl -s "https://api.ipctl.io/v1/asn/19021" | jq