Home Prefix Lookup204.16.240.0/21

204.16.240.0/21 - TeraSwitch Networks (AS20326)

IPv4ARINallocatedAS20326TERASWITCH - TeraSwitch Networks Inc. RPKI Valid

CIDR

204.16.240.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇺🇸 United States

City

Allegheny (historical)

RIR

ARIN

Status

allocated

Allocated

2009-10-12

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

8 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
204.16.240.0/24	AS20326 TERASWITCH - TeraSwitch Networks Inc.	Valid	-	2026-10-11
204.16.241.0/24	AS20326 TERASWITCH - TeraSwitch Networks Inc.	Valid	-	2026-10-11
204.16.242.0/24	AS20326 TERASWITCH - TeraSwitch Networks Inc.	Valid	-	2026-10-11
204.16.243.0/24	AS20326 TERASWITCH - TeraSwitch Networks Inc.	Valid	-	2026-10-11
204.16.244.0/24	AS20326 TERASWITCH - TeraSwitch Networks Inc.	Valid	-	2026-10-11
204.16.245.0/24	AS20326 TERASWITCH - TeraSwitch Networks Inc.	Valid	-	2026-10-11
204.16.246.0/24	AS20326 TERASWITCH - TeraSwitch Networks Inc.	Valid	-	2026-10-11
204.16.247.0/24	AS20326 TERASWITCH - TeraSwitch Networks Inc.	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
204.16.240.0/21	AS20326	/32	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS20326	ARIN	MNT-TERAS-2	2024-05-17
AS20326	Other IRR	MAINT-AS20326	2023-11-13

Transfer History

Registry transfers of 204.16.240.0/21, blocks inside it, or blocks containing it.

204.16.240.0/21Transfer · 2009-10-12
G3 Technologies Inc.
🇺🇸 US ARIN
→
TeraSwitch Networks Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2009-10-12	204.16.240.0/21	G3 Technologies Inc. 🇺🇸 US ARIN	TeraSwitch Networks Inc. 🇺🇸 US ARIN	Transfer

Origin ASN

AS20326

TERASWITCH - TeraSwitch Networks Inc.

Related Prefixes

More prefixes of AS20326

All prefixes of AS20326 →

Geolocation

Country🇺🇸United StatesUS

RegionPennsylvania

CityAllegheny (historical)

Coordinates40.4828, -80.0367 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/204.16.240.0/21

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/204.16.240.0/21" | jq

External Links

RIPEstat