Home Prefix Lookup66.81.100.0/23

66.81.100.0/23 - TPx Communications (AS14265)

IPv4ARINallocatedAS14265US-TELEPACIFIC - TPx CommunicationsNo ROA

CIDR

66.81.100.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇺🇸 United States

City

Austin (Greystone Center)

RIR

ARIN

Status

allocated

Allocated

2012-02-13

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
66.81.100.0/23	AS14265 US-TELEPACIFIC - TPx Communications	No ROA	-	2026-10-11

Transfer History

Registry transfers of 66.81.100.0/23, blocks inside it, or blocks containing it.

66.81.100.0/23M&A · 2025-06-25
TPx Communications
🇺🇸 US ARIN
→
TPx Communications
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-06-25	66.81.100.0/23	TPx Communications 🇺🇸 US ARIN	TPx Communications 🇺🇸 US ARIN	M&A

Origin ASN

AS14265

US-TELEPACIFIC - TPx Communications

Related Prefixes

More prefixes of AS14265

All prefixes of AS14265 →

Geolocation

Country🇺🇸United StatesUS

RegionTexas

CityAustin (Greystone Center)

Coordinates30.3533, -97.7495 ↗

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/66.81.100.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/66.81.100.0/23" | jq

External Links

RIPEstat