Home Prefix Lookup66.33.0.0/17

66.33.0.0/17 - BGP Prefix

IPv4not announced RPKI Valid

CIDR

66.33.0.0/17

IP Version

IPv4

Addresses

32.7K

Mask

/17 (255.255.128.0)

Country

🇺🇸 United States

City

Lehi

Status

not announced

Allocated

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Swipe sideways to see all columns →

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

72 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
66.33.0.0/22	AS30247 VOONAMI - Voonami, Inc.	Valid	-	2026-10-11
66.33.4.0/23	AS54309 NEGU - NEGU	Valid	-	2026-10-11
66.33.4.0/24	AS54309 NEGU - NEGU	Valid	-	2026-10-11
66.33.5.0/24	AS54309 NEGU - NEGU	Valid	-	2026-10-11
66.33.6.0/24	AS17378 AS17378 - TierPoint, LLC	No ROA	-	2026-10-11
66.33.8.0/21	AS394056 BIFIV - BIF IV	Valid	-	2026-10-11
66.33.8.0/24	AS394056 BIFIV - BIF IV	Valid	-	2026-10-11
66.33.9.0/24	AS394056 BIFIV - BIF IV	Valid	-	2026-10-11
66.33.10.0/24	AS394056 BIFIV - BIF IV	Valid	-	2026-10-11
66.33.11.0/24	AS394056 BIFIV - BIF IV	Valid	-	2026-10-11
66.33.12.0/24	AS394056 BIFIV - BIF IV	Valid	-	2026-10-11
66.33.13.0/24	AS394056 BIFIV - BIF IV	Valid	-	2026-10-11
66.33.14.0/24	AS394056 BIFIV - BIF IV	Valid	-	2026-10-11
66.33.15.0/24	AS394056 BIFIV - BIF IV	Valid	-	2026-10-11
66.33.16.0/22	AS47046 WADSWORTH-CITYLINK - CityLink	No ROA	-	2026-10-11
66.33.20.0/24	AS13768 COGECO-PEER1 - Aptum Technologies	Valid	-	2026-10-11
66.33.21.0/24	AS54837 BSNOW-AS-01 - Butler Snow	No ROA	-	2026-10-11
66.33.22.0/23	AS400940 RAILWAY - Railway	Valid	-	2026-10-11
66.33.23.0/24	AS400940 RAILWAY - Railway	Valid	-	2026-10-11
66.33.24.0/21	AS400146 DIAMOND-STATE-NETWORKS - DIAMOND STATE NETWORKS, LLC	Valid	-	2026-10-11
66.33.32.0/24	AS13768 COGECO-PEER1 - Aptum Technologies	Valid	-	2026-10-11
66.33.34.0/24	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-11
66.33.36.0/24	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
66.33.37.0/24	AS50937 INFINITIUM-AS INFINITIUM CORPORATION	Valid	-	2026-10-11
66.33.37.0/24	AS216357 INFINITIUM-AS216357 INFINITIUM CORPORATION	Valid	-	2026-10-11
66.33.38.0/23	AS29698 LAKESHOREFIBER - Lakeshore Fiber LLC	No ROA	-	2026-10-11
66.33.40.0/21	AS31875 JACKSON-CO-REMC - Jackson County Rural Electric Membership Corporation	Valid	-	2026-10-11
66.33.48.0/21	AS2731 HORIZONTELCOM - Infinity Fiber LLC	Valid	-	2026-10-11
66.33.56.0/24	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
66.33.57.0/24	AS401073 A10NETWORKS-INC - A10 Networks Inc.	No ROA	-	2026-10-11
66.33.58.0/24	AS400427 IQ-FIBER - IQ Fiber	Valid	-	2026-10-11
66.33.59.0/24	AS396168 THINKBIGNETWORKS-KC - ThinkBig Networks, LLC	Valid	-	2026-10-11
66.33.60.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
66.33.61.0/24	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
66.33.62.0/24	AS5693 DATABANK-LATISYS - Latisys-Irvine, LLC	No ROA	-	2026-10-11
66.33.63.0/24	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
66.33.65.0/24	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
66.33.66.0/24	AS13767 DATABANK-DFW - DataBank Holdings, Ltd.	No ROA	-	2026-10-11
66.33.67.0/24	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
66.33.68.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
66.33.69.0/24	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
66.33.70.0/24	AS27164 INTERACTIVE BROKERS CORP - Interactive Brokers Corp	No ROA	-	2026-10-11
66.33.72.0/22	AS62624 NUCLEUS - Nucleus	No ROA	-	2026-10-11
66.33.77.0/24	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
66.33.78.0/24	AS396168 THINKBIGNETWORKS-KC - ThinkBig Networks, LLC	Valid	-	2026-10-11
66.33.79.0/24	AS400427 IQ-FIBER - IQ Fiber	Valid	-	2026-10-11
66.33.80.0/21	AS400146 DIAMOND-STATE-NETWORKS - DIAMOND STATE NETWORKS, LLC	Valid	-	2026-10-11
66.33.88.0/24	AS12527 MILLENNIUMBCP-AS Millennium BCP-Prestacao de Servicos ACE	No ROA	-	2026-10-11
66.33.88.0/24	AS198949 Radware Radware Ltd	No ROA	-	2026-10-11
66.33.89.0/24	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
66.33.90.0/24	AS54447 TRANSAT - Transat A.T. Inc.	No ROA	-	2026-10-11
66.33.91.0/24	AS54447 TRANSAT - Transat A.T. Inc.	No ROA	-	2026-10-11
66.33.92.0/23	AS16362 The-London-Metal-Exchange The London Metal Exchange	No ROA	-	2026-10-11
66.33.92.0/24	AS16362 The-London-Metal-Exchange The London Metal Exchange	No ROA	-	2026-10-11
66.33.93.0/24	AS16362 The-London-Metal-Exchange The London Metal Exchange	No ROA	-	2026-10-11
66.33.94.0/24	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
66.33.96.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
66.33.97.0/24	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
66.33.98.0/24	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
66.33.99.0/24	AS36593 ASPEN-SMART-NETWORKS - Aspen Wireless Technologies Inc	No ROA	-	2026-10-11
66.33.100.0/22	AS29852 HONEST - Honest Networks, LLC	No ROA	-	2026-10-11
66.33.100.0/23	AS29852 HONEST - Honest Networks, LLC	No ROA	-	2026-10-11
66.33.102.0/23	AS29852 HONEST - Honest Networks, LLC	No ROA	-	2026-10-11
66.33.104.0/21	AS35847 AS-EFTL - Ezee Fiber	Valid	-	2026-10-11
66.33.112.0/24	AS18491 VTLA - NTT Global Networks Incorporated	No ROA	-	2026-10-11
66.33.113.0/24	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
66.33.114.0/24	AS211266 ICAP Alistithmar for Financial Securities and Brokerage Company JSC	No ROA	-	2026-10-11
66.33.115.0/24	AS211266 ICAP Alistithmar for Financial Securities and Brokerage Company JSC	No ROA	-	2026-10-11
66.33.116.0/22	AS2729 MG-431-2729 - One Call	Valid	-	2026-10-11
66.33.116.0/24	AS2729 MG-431-2729 - One Call	Valid	-	2026-10-11
66.33.117.0/24	AS2729 MG-431-2729 - One Call	Valid	-	2026-10-11
66.33.120.0/21	AS35847 AS-EFTL - Ezee Fiber	Valid	-	2026-10-11

More Specific Prefixes

Prefix	AS	Country	Status
66.33.0.0/22	AS30247	🇺🇸US	allocated
66.33.4.0/23	AS54309	🇺🇸US	allocated
66.33.6.0/24	AS17378	🇺🇸US	allocated
66.33.7.0/24		🇨🇦CA	allocated
66.33.8.0/21	AS394056	🇺🇸US	allocated
66.33.16.0/22	AS47046	🇺🇸US	allocated
66.33.20.0/24	AS13768	🇨🇦CA	allocated
66.33.21.0/24	AS54837	🇺🇸US	allocated
66.33.22.0/23	AS400940	🇺🇸US	allocated
66.33.24.0/21	AS400146	🇺🇸US	allocated
66.33.32.0/24	AS13768	🇨🇦CA	allocated
66.33.33.0/24	AS11613	🇺🇸US	allocated
66.33.34.0/23	AS32546	🇺🇸US	allocated
66.33.36.0/24	AS13768	🇨🇦CA	allocated
66.33.37.0/24	AS50937	🇺🇸US	assigned
66.33.38.0/23	AS29698	🇺🇸US	allocated
66.33.40.0/21	AS31875	🇺🇸US	allocated
66.33.48.0/21	AS2731	🇺🇸US	allocated
66.33.56.0/24	AS13768	🇨🇦CA	allocated
66.33.57.0/24	AS401073	🇺🇸US	allocated
66.33.58.0/23	AS400427	🇺🇸US	allocated
66.33.60.0/24	AS922	🇺🇸US	allocated
66.33.61.0/24	AS13768	🇨🇦CA	allocated
66.33.62.0/24	AS5693	🇺🇸US	allocated
66.33.63.0/24	AS13768	🇨🇦CA	allocated
66.33.64.0/24		🇺🇸US	allocated
66.33.65.0/24	AS13768	🇨🇦CA	allocated
66.33.66.0/24	AS13767	🇺🇸US	allocated
66.33.67.0/24	AS13768	🇨🇦CA	allocated
66.33.68.0/24	AS27408	🇨🇦CA	allocated
66.33.69.0/24	AS13768	🇨🇦CA	allocated
66.33.70.0/23		🇺🇸US	allocated
66.33.72.0/22	AS62624	🇺🇸US	allocated
66.33.76.0/24	AS393989	🇺🇸US	allocated
66.33.77.0/24	AS13768	🇨🇦CA	allocated
66.33.78.0/23	AS400427	🇺🇸US	allocated
66.33.80.0/21	AS400146	🇺🇸US	allocated
66.33.88.0/24	AS198949	🇵🇹PT	assigned
66.33.89.0/24	AS13768	🇨🇦CA	allocated
66.33.90.0/23	AS54447	🇨🇦CA	allocated
66.33.92.0/23	AS16362	🇬🇧GB	assigned
66.33.94.0/24	AS13768	🇨🇦CA	allocated
66.33.95.0/24	AS63208	🇺🇸US	allocated
66.33.96.0/24	AS32546	🇺🇸US	allocated
66.33.97.0/24	AS13768	🇨🇦CA	allocated
66.33.98.0/24	AS13768	🇨🇦CA	allocated
66.33.99.0/24	AS36593	🇺🇸US	allocated
66.33.100.0/22	AS29852	🇺🇸US	allocated
66.33.104.0/21	AS35847	🇺🇸US	allocated
66.33.112.0/24	AS32202	🇺🇸US	allocated
66.33.113.0/24	AS13768	🇨🇦CA	allocated
66.33.114.0/23	AS211266	🇸🇦SA	assigned
66.33.116.0/22	AS2729	🇺🇸US	allocated
66.33.120.0/21	AS35847	🇺🇸US	allocated

Transfer History

Registry transfers of 66.33.0.0/17, blocks inside it, or blocks containing it.

66.33.70.0/23Transfer · 2025-08-28
Aptum Technologies
🇨🇦 CA ARIN
→
Interactive Brokers Corp
🇺🇸 US ARIN
66.33.78.0/23Transfer · 2025-08-18
Aptum Technologies
🇨🇦 CA ARIN
→
IQ Fiber
🇺🇸 US ARIN
66.33.58.0/23Transfer · 2025-05-14
Aptum Technologies
🇨🇦 CA ARIN
→
IQ Fiber
🇺🇸 US ARIN
66.33.38.0/23Transfer · 2025-05-12
Aptum Technologies
🇨🇦 CA ARIN
→
Lakeshore Fiber of Alpena, LLC
🇺🇸 US ARIN
66.33.114.0/23inter-RIRTransfer · 2025-04-08
Aptum Technologies
🇨🇦 CA ARIN
→
Alistithmar for Financial Securities and Brokerage Company JSC
RIPE NCC
66.33.72.0/22Transfer · 2025-01-31
Aptum Technologies
🇨🇦 CA ARIN
→
Nucleus
🇺🇸 US ARIN
66.33.4.0/23Transfer · 2025-01-31
Aptum Technologies
🇨🇦 CA ARIN
→
NEGU
🇺🇸 US ARIN
66.33.22.0/23Transfer · 2025-01-17
Aptum Technologies
🇨🇦 CA ARIN
→
Railway
🇺🇸 US ARIN
66.33.92.0/23inter-RIRTransfer · 2024-10-07
Aptum Technologies
🇨🇦 CA ARIN
→
The London Metal Exchange
RIPE NCC
66.33.112.0/24Transfer · 2024-08-23
Aptum Technologies
🇨🇦 CA ARIN
→
Reynolds Consumer Products LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-08-28	66.33.70.0/23	Aptum Technologies 🇨🇦 CA ARIN	Interactive Brokers Corp 🇺🇸 US ARIN	Transfer
2025-08-18	66.33.78.0/23	Aptum Technologies 🇨🇦 CA ARIN	IQ Fiber 🇺🇸 US ARIN	Transfer
2025-05-14	66.33.58.0/23	Aptum Technologies 🇨🇦 CA ARIN	IQ Fiber 🇺🇸 US ARIN	Transfer
2025-05-12	66.33.38.0/23	Aptum Technologies 🇨🇦 CA ARIN	Lakeshore Fiber of Alpena, LLC 🇺🇸 US ARIN	Transfer
2025-04-08	66.33.114.0/23inter-RIR	Aptum Technologies 🇨🇦 CA ARIN	Alistithmar for Financial Securities and Brokerage Company JSC RIPE NCC	Transfer
2025-01-31	66.33.72.0/22	Aptum Technologies 🇨🇦 CA ARIN	Nucleus 🇺🇸 US ARIN	Transfer
2025-01-31	66.33.4.0/23	Aptum Technologies 🇨🇦 CA ARIN	NEGU 🇺🇸 US ARIN	Transfer
2025-01-17	66.33.22.0/23	Aptum Technologies 🇨🇦 CA ARIN	Railway 🇺🇸 US ARIN	Transfer
2024-10-07	66.33.92.0/23inter-RIR	Aptum Technologies 🇨🇦 CA ARIN	The London Metal Exchange RIPE NCC	Transfer
2024-08-23	66.33.112.0/24	Aptum Technologies 🇨🇦 CA ARIN	Reynolds Consumer Products LLC 🇺🇸 US ARIN	Transfer

View all 39 transfers →

Geolocation

Country🇺🇸United StatesUS

RegionUtah

CityLehi

Coordinates40.4334, -111.8810 ↗

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 transfer marketTransfers published by all five RIRs

API

Open

GEThttps://api.ipctl.io/v1/prefix/66.33.0.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/66.33.0.0/17" | jq

External Links

RIPEstat