Home Prefix Lookup203.18.54.0/24

203.18.54.0/24 - TierPoint (AS17378)

IPv4APNICassignedAS17378AS17378 - TierPoint, LLCNo ROA

CIDR

203.18.54.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

Seattle

RIR

APNIC

Status

assigned

Allocated

1995-08-03

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
203.18.54.0/24	AS17378 AS17378 - TierPoint, LLC	No ROA	Other IRR	2026-10-13

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS11274	APNIC	MAINT-AU-THALESGROUP	2017-11-15
AS4805	Other IRR	MAINT-AS2764	2023-11-13
AS11274	Other IRR	MAINT-AS17378	2023-11-13
AS17378	Other IRR	MAINT-AS17378	2023-11-13

Transfer History

Registry transfers of 203.18.54.0/24, blocks inside it, or blocks containing it.

203.18.54.0/24Transfer · 2016-03-17
Scamedia
🇦🇺 AU APNIC
→
Thales Australia
🇦🇺 AU APNIC

Date	Resource	From	To	Type
2016-03-17	203.18.54.0/24	Scamedia 🇦🇺 AU APNIC	Thales Australia 🇦🇺 AU APNIC	Transfer

Origin ASN

AS17378

AS17378 - TierPoint, LLC

Related Prefixes

More prefixes of AS17378

All prefixes of AS17378 →

Geolocation

Country🇺🇸United StatesUS

RegionWashington

CitySeattle

Coordinates47.6061, -122.3330 ↗

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 APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/203.18.54.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/203.18.54.0/24" | jq

External Links

RIPEstat