Home Prefix Lookup18.210.0.0/16

18.210.0.0/16 - BGP Prefix

IPv4ARINnot announced RPKI Valid

CIDR

18.210.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇺🇸 United States

City

Ashburn

RIR

ARIN

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 currently announced in BGP. See covering prefix below.

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
18.208.0.0/13	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
18.208.0.0/13	AS14618	/13	arin
18.208.0.0/13	AS16509	/13	arin

Transfer History

Registry transfers of 18.210.0.0/16, blocks inside it, or blocks containing it.

18.210.0.0/16Transfer · 2017-04-18
Massachusetts Institute of Technology
🇺🇸 US ARIN
→
Amazon Technologies Inc.
🇺🇸 US ARIN
18.210.0.0/15Transfer · 2017-04-18
Massachusetts Institute of Technology
🇺🇸 US ARIN
→
Amazon Technologies Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2017-04-18	18.210.0.0/16	Massachusetts Institute of Technology 🇺🇸 US ARIN	Amazon Technologies Inc. 🇺🇸 US ARIN	Transfer
2017-04-18	18.210.0.0/15	Massachusetts Institute of Technology 🇺🇸 US ARIN	Amazon Technologies Inc. 🇺🇸 US ARIN	Transfer

Related Prefixes

Covering prefix

18.208.0.0/13AS14618

Geolocation

Country🇺🇸United StatesUS

RegionVirginia

CityAshburn

Coordinates39.0438, -77.4874 ↗

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/18.210.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/18.210.0.0/16" | jq

External Links

RIPEstat