Home Prefix Lookup40.183.0.0/16

40.183.0.0/16 - BGP Prefix

IPv4ARINallocated RPKI Valid

CIDR

40.183.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇺🇸 United States

City

New York

RIR

ARIN

Status

allocated

Allocated

1991-04-23

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

61 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
40.183.0.0/21	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.8.0/22	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.12.0/23	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.14.0/24	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.15.0/24	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.16.0/22	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.20.0/22	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.24.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.25.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.26.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.27.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.28.0/22	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.32.0/22	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.36.0/23	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.38.0/23	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.40.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.44.0/22	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.64.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.65.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.66.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.67.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.68.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.69.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.70.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.71.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.72.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.73.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.74.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.75.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.76.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.77.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.78.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.79.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.80.0/22	AS22348 COGNITION - Cognition AI, Inc.	Valid	-	2026-10-11
40.183.84.0/24	AS54103 MODMC-54103-AS - MOD Mission Critical, LLC	Valid	-	2026-10-11
40.183.85.0/24	AS54103 MODMC-54103-AS - MOD Mission Critical, LLC	Valid	-	2026-10-11
40.183.86.0/24	AS54103 MODMC-54103-AS - MOD Mission Critical, LLC	Valid	-	2026-10-11
40.183.87.0/24	AS54103 MODMC-54103-AS - MOD Mission Critical, LLC	Valid	-	2026-10-11
40.183.93.0/24	AS9009 M247 M247 Europe SRL	Invalid	-	2026-10-11
40.183.94.0/24	AS16276 OVH OVH SAS	Invalid	-	2026-10-11
40.183.100.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
40.183.101.0/24	AS152672 AIYUN-AS-AP Aiyun HK Network	Invalid	-	2026-10-11
40.183.111.0/24	AS396120 DONUTSHIELD - DonutSMP	Valid	-	2026-10-11
40.183.121.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Invalid	-	2026-10-11
40.183.128.0/21	AS20001 TWC-20001-PACWEST - Charter Communications Inc	Valid	-	2026-10-11
40.183.202.0/23	AS5650 FRONTIER-FRTR - Frontier Communications of America, Inc.	Valid	-	2026-10-11
40.183.216.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.217.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.218.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.219.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.220.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.221.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.222.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.223.0/24	AS54004 LIGHTPATH - Cablevision Lightpath LLC	Valid	-	2026-10-11
40.183.227.0/24	AS21859 ZEN-ECN - Zenlayer Inc	Valid	-	2026-10-11
40.183.248.0/24	AS54103 MODMC-54103-AS - MOD Mission Critical, LLC	Valid	-	2026-10-11
40.183.249.0/24	AS54103 MODMC-54103-AS - MOD Mission Critical, LLC	Valid	-	2026-10-11
40.183.250.0/24	AS54103 MODMC-54103-AS - MOD Mission Critical, LLC	Valid	-	2026-10-11
40.183.251.0/24	AS54103 MODMC-54103-AS - MOD Mission Critical, LLC	Valid	-	2026-10-11
40.183.254.0/24	AS396356 LATITUDE-SH - Latitude.sh	Invalid	-	2026-10-11
40.183.255.0/24	AS262287 Latitude.sh LTDA	Invalid	-	2026-10-11

Transfer History

Registry transfers of 40.183.0.0/16, blocks inside it, or blocks containing it.

40.183.0.0/16M&A · 2022-12-01
Eli Lilly and Company
🇺🇸 US ARIN
→
Eli Lilly and Company
🇺🇸 US ARIN

Date	Resource	From	To	Type
2022-12-01	40.183.0.0/16	Eli Lilly and Company 🇺🇸 US ARIN	Eli Lilly and Company 🇺🇸 US ARIN	M&A

Geolocation

Country🇺🇸United StatesUS

RegionNew York

CityNew York

Coordinates40.7128, -74.0060 ↗

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/40.183.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/40.183.0.0/16" | jq

External Links

RIPEstat