AS21817 NORCAST-AS - Wave Broadband

🇺🇸

ARINassigned

Announced Prefixes (BGP)

10total

10 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)9,472

Announced (BGP)9,984

IPv6 Addresses

Allocated (RIR)1.5×10²⁹

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

2010-05-06

Announced Prefixes

(BGP)10

Prefix	RPKI	IRR	Last Seen
104.152.100.0/22	Valid	ARIN	2026-10-09
198.161.144.0/22	Valid	ARIN	2026-10-09
198.180.225.0/24	Valid	ARIN	2026-10-09
199.7.192.0/21	Valid	ARIN	2026-10-09
199.36.176.0/21	Valid	ARIN	2026-10-09
199.48.56.0/22	Valid	ARIN	2026-10-09
199.187.148.0/22	Valid	ARIN	2026-10-09
199.200.112.0/22	Valid	ARIN	2026-10-09
207.114.183.0/24	No ROA	-	2026-10-09
207.114.190.0/24	No ROA	-	2026-10-09

(RIR)10

Prefix	Country	RIR	Status
104.152.100.0/22	🇺🇸 US	ARIN	allocated
198.161.144.0/22	🇺🇸 US	ARIN	allocated
198.180.225.0/24	🇺🇸 US	ARIN	allocated
199.7.192.0/21	🇺🇸 US	ARIN	allocated
199.36.176.0/21	🇺🇸 US	ARIN	allocated
199.48.56.0/22	🇺🇸 US	ARIN	allocated
199.187.148.0/22	🇺🇸 US	ARIN	allocated
199.200.112.0/22	🇺🇸 US	ARIN	allocated
2606:8100::/32	🇺🇸 US	ARIN	allocated
2607:6200::/32	🇺🇸 US	ARIN	allocated

(seen in AS paths)

Networks AS21817 hands its own prefixes to: transit providers, or peers at an exchange.

Registry transfers of AS21817 between organisations.

Date	Resource	From	To	Type
2023-01-04	AS21817	Norcast Communications 🇺🇸 US ARIN	Wave Broadband 🇺🇸 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 AS21817 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/21817" | jq