Home Prefix Lookup74.217.0.0/16

74.217.0.0/16 - BGP Prefix

IPv4not announcedNo ROA

CIDR

74.217.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇺🇸 United States

City

Chicago (West Loop)

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

69 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
74.217.0.0/20	AS19024 INTERNAP-BLK5 - Unitas Global	No ROA	-	2026-10-11
74.217.12.0/24	AS14148 EXLIBRIS - Ex Libris (USA) Inc	No ROA	-	2026-10-11
74.217.16.0/21	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
74.217.24.0/21	AS10912 INTERNAP-BLK - Unitas Global	No ROA	-	2026-10-11
74.217.28.0/22	AS32475 SINGLEHOP-LLC - Internap Holding LLC	No ROA	-	2026-10-11
74.217.32.0/22	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
74.217.40.0/21	AS14745 INTERNAP-BLOCK-4 - Unitas Global	No ROA	-	2026-10-11
74.217.48.0/20	AS13789 INTERNAP-BLK3 - Unitas Global	No ROA	-	2026-10-11
74.217.64.0/20	AS12182 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.64.0/23	AS12182 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.68.0/23	AS12182 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.70.0/23	AS12182 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.70.0/24	AS23023 INTUITIVE - Intuitive Surgical, Inc.	No ROA	-	2026-10-11
74.217.72.0/22	AS12182 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.72.0/24	AS40885 E2OPEN-1 - E2open LLC	No ROA	-	2026-10-11
74.217.75.0/24	AS54993 OPSRP-IP-1 - OpsRamp, LLC	No ROA	-	2026-10-11
74.217.76.0/22	AS12182 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.80.0/20	AS10913 INTERNAP-BLK - Unitas Global	No ROA	-	2026-10-11
74.217.88.0/24	AS393954 CFN-SERVICES - CFN Services Inc.	No ROA	-	2026-10-11
74.217.91.0/24	AS10913 INTERNAP-BLK - Unitas Global	No ROA	-	2026-10-11
74.217.96.0/20	AS12182 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.96.0/24	AS36119 OSISOFTLLC - OSIsoft, LLC	No ROA	-	2026-10-11
74.217.102.0/23	AS12180 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.103.0/24	AS10912 INTERNAP-BLK - Unitas Global	No ROA	-	2026-10-11
74.217.104.0/22	AS12180 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.112.0/20	AS12178 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.112.0/22	AS12180 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.116.0/23	AS12180 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.128.0/20	AS1828 UNITAS - Unitas Global	No ROA	-	2026-10-11
74.217.128.0/24	AS1828 UNITAS - Unitas Global	No ROA	-	2026-10-11
74.217.129.0/24	AS14744 INTERNAP-BLOCK-4 - Unitas Global	No ROA	-	2026-10-11
74.217.130.0/23	AS12180 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.132.0/22	AS12180 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.136.0/24	AS14902	No ROA	-	2026-10-11
74.217.141.0/24	AS1828 UNITAS - Unitas Global	No ROA	-	2026-10-11
74.217.144.0/20	AS10912 INTERNAP-BLK - Unitas Global	No ROA	-	2026-10-11
74.217.144.0/23	AS10912 INTERNAP-BLK - Unitas Global	No ROA	-	2026-10-11
74.217.148.0/22	AS10912 INTERNAP-BLK - Unitas Global	No ROA	-	2026-10-11
74.217.160.0/20	AS13789 INTERNAP-BLK3 - Unitas Global	No ROA	-	2026-10-11
74.217.160.0/23	AS13789 INTERNAP-BLK3 - Unitas Global	No ROA	-	2026-10-11
74.217.164.0/22	AS13789 INTERNAP-BLK3 - Unitas Global	No ROA	-	2026-10-11
74.217.164.0/24	AS26016	No ROA	-	2026-10-11
74.217.165.0/24	AS14610 INTEGRAL - Integral Development Corp.	No ROA	-	2026-10-11
74.217.168.0/22	AS13789 INTERNAP-BLK3 - Unitas Global	No ROA	-	2026-10-11
74.217.171.0/24	AS19602 AS19602 - Cantor Fitzgerald & Co.	No ROA	-	2026-10-11
74.217.184.0/21	AS12180 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.184.0/22	AS11855 ASN-INTERNAP-BLK - Unitas Global	No ROA	-	2026-10-11
74.217.184.0/24	AS11855 ASN-INTERNAP-BLK - Unitas Global	No ROA	-	2026-10-11
74.217.186.0/24	AS11855 ASN-INTERNAP-BLK - Unitas Global	No ROA	-	2026-10-11
74.217.192.0/22	AS14743 INTERNAP-BLOCK-4 - Unitas Global	No ROA	-	2026-10-11
74.217.200.0/23	AS36352 AS-COLOCROSSING - HostPapa	No ROA	-	2026-10-11
74.217.202.0/23	AS19318 IS-AS-1 - Interserver, Inc	No ROA	-	2026-10-11
74.217.204.0/22	AS14743 INTERNAP-BLOCK-4 - Unitas Global	No ROA	-	2026-10-11
74.217.212.0/22	AS12182 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.216.0/21	AS12182 INTERNAP-2BLK - Unitas Global	No ROA	-	2026-10-11
74.217.219.0/24	AS40885 E2OPEN-1 - E2open LLC	No ROA	-	2026-10-11
74.217.224.0/20	AS13789 INTERNAP-BLK3 - Unitas Global	No ROA	-	2026-10-11
74.217.224.0/23	AS13789 INTERNAP-BLK3 - Unitas Global	No ROA	-	2026-10-11
74.217.232.0/21	AS13789 INTERNAP-BLK3 - Unitas Global	No ROA	-	2026-10-11
74.217.233.0/24	AS31774 TACONIC-CAPITAL-ADVISORS - Taconic Capital Advisors L.P.	No ROA	-	2026-10-11
74.217.234.0/24	AS36544 BWINPARTY-US-01 - BWIN.PARTY ENTERTAINMENT (NJ), LLC	No ROA	-	2026-10-11
74.217.235.0/24	AS36544 BWINPARTY-US-01 - BWIN.PARTY ENTERTAINMENT (NJ), LLC	No ROA	-	2026-10-11
74.217.236.0/22	AS14745 INTERNAP-BLOCK-4 - Unitas Global	No ROA	-	2026-10-11
74.217.237.0/24	AS54155 GREENCLOUD - Green Cloud Technologies,LLC	No ROA	-	2026-10-11
74.217.240.0/21	AS10913 INTERNAP-BLK - Unitas Global	No ROA	-	2026-10-11
74.217.242.0/23	AS10913 INTERNAP-BLK - Unitas Global	No ROA	-	2026-10-11
74.217.246.0/23	AS13791 INTERNAP-BLK3 - Unitas Global	No ROA	-	2026-10-11
74.217.252.0/22	AS10913 INTERNAP-BLK - Unitas Global	No ROA	-	2026-10-11
74.217.254.0/23	AS13789 INTERNAP-BLK3 - Unitas Global	No ROA	-	2026-10-11

More Specific Prefixes

Prefix	AS	Country	Status
74.217.0.0/20	AS19024	🇺🇸US	allocated
74.217.16.0/21	AS16509	🇺🇸US	allocated
74.217.24.0/22		🇺🇸US	allocated
74.217.28.0/22	AS32475	🇺🇸US	allocated
74.217.32.0/22	AS16509	🇺🇸US	allocated
74.217.36.0/22		🇺🇸US	allocated
74.217.40.0/21	AS14745	🇺🇸US	allocated
74.217.48.0/20	AS13789	🇺🇸US	allocated
74.217.64.0/18		🇺🇸US	allocated
74.217.128.0/18		🇺🇸US	allocated
74.217.192.0/21		🇺🇸US	allocated
74.217.200.0/22	AS401678	🇺🇸US	allocated
74.217.204.0/22	AS14743	🇺🇸US	allocated
74.217.208.0/20		🇺🇸US	allocated
74.217.224.0/19		🇺🇸US	allocated

Transfer History

Registry transfers of 74.217.0.0/16, blocks inside it, or blocks containing it.

74.217.40.0/21M&A · 2025-02-13
Unitas Global
🇺🇸 US ARIN
→
PF IPV4 Borrower, LLC
🇺🇸 US ARIN
74.217.224.0/19M&A · 2025-02-13
Unitas Global
🇺🇸 US ARIN
→
PF IPV4 Borrower, LLC
🇺🇸 US ARIN
74.217.36.0/22M&A · 2025-02-13
Unitas Global
🇺🇸 US ARIN
→
PF IPV4 Borrower, LLC
🇺🇸 US ARIN
74.217.208.0/20M&A · 2025-02-13
Unitas Global
🇺🇸 US ARIN
→
PF IPV4 Borrower, LLC
🇺🇸 US ARIN
74.217.48.0/20M&A · 2025-02-13
Unitas Global
🇺🇸 US ARIN
→
PF IPV4 Borrower, LLC
🇺🇸 US ARIN
74.217.204.0/22M&A · 2025-02-13
Unitas Global
🇺🇸 US ARIN
→
PF IPV4 Borrower, LLC
🇺🇸 US ARIN
74.217.192.0/21M&A · 2025-02-13
Unitas Global
🇺🇸 US ARIN
→
PF IPV4 Borrower, LLC
🇺🇸 US ARIN
74.217.128.0/18M&A · 2025-02-13
Unitas Global
🇺🇸 US ARIN
→
PF IPV4 Borrower, LLC
🇺🇸 US ARIN
74.217.64.0/18M&A · 2025-02-13
Unitas Global
🇺🇸 US ARIN
→
PF IPV4 Borrower, LLC
🇺🇸 US ARIN
74.217.200.0/22Transfer · 2023-11-21
Unitas Global
🇺🇸 US ARIN
→
BisectHosting
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-02-13	74.217.40.0/21	Unitas Global 🇺🇸 US ARIN	PF IPV4 Borrower, LLC 🇺🇸 US ARIN	M&A
2025-02-13	74.217.224.0/19	Unitas Global 🇺🇸 US ARIN	PF IPV4 Borrower, LLC 🇺🇸 US ARIN	M&A
2025-02-13	74.217.36.0/22	Unitas Global 🇺🇸 US ARIN	PF IPV4 Borrower, LLC 🇺🇸 US ARIN	M&A
2025-02-13	74.217.208.0/20	Unitas Global 🇺🇸 US ARIN	PF IPV4 Borrower, LLC 🇺🇸 US ARIN	M&A
2025-02-13	74.217.48.0/20	Unitas Global 🇺🇸 US ARIN	PF IPV4 Borrower, LLC 🇺🇸 US ARIN	M&A
2025-02-13	74.217.204.0/22	Unitas Global 🇺🇸 US ARIN	PF IPV4 Borrower, LLC 🇺🇸 US ARIN	M&A
2025-02-13	74.217.192.0/21	Unitas Global 🇺🇸 US ARIN	PF IPV4 Borrower, LLC 🇺🇸 US ARIN	M&A
2025-02-13	74.217.128.0/18	Unitas Global 🇺🇸 US ARIN	PF IPV4 Borrower, LLC 🇺🇸 US ARIN	M&A
2025-02-13	74.217.64.0/18	Unitas Global 🇺🇸 US ARIN	PF IPV4 Borrower, LLC 🇺🇸 US ARIN	M&A
2023-11-21	74.217.200.0/22	Unitas Global 🇺🇸 US ARIN	BisectHosting 🇺🇸 US ARIN	Transfer

View all 19 transfers →

Geolocation

Country🇺🇸United StatesUS

RegionIllinois

CityChicago (West Loop)

Coordinates41.8768, -87.6501 ↗

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/74.217.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/74.217.0.0/16" | jq

External Links

RIPEstat