Home Prefix Lookup216.20.16.0/22

216.20.16.0/22 - SendGrid (AS11377)

IPv4ARINannouncedAS11377SENDGRID - SendGrid, Inc. RPKI Valid

CIDR

216.20.16.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇺🇸 United States

City

Chicago

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
216.20.16.0/22	AS11377 SENDGRID - SendGrid, Inc.	Valid	ARINOther IRR	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
216.20.16.0/22	AS11377	/22	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS11377	ARIN	MNT-TWILI-11	2025-09-18
AS11377	Other IRR	MAINT-AS11377	2025-09-29

Transfer History

Registry transfers of 216.20.16.0/22, blocks inside it, or blocks containing it.

216.20.0.0/17Transfer · 2024-09-25
CherryRoad Technologies, Inc.
🇺🇸 US ARIN
→
Twilio SendGrid
🇺🇸 US ARIN
216.20.0.0/17M&A · 2019-08-20
Merrimack Education Center
🇺🇸 US ARIN
→
CherryRoad Technologies, Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2024-09-25	216.20.0.0/17	CherryRoad Technologies, Inc. 🇺🇸 US ARIN	Twilio SendGrid 🇺🇸 US ARIN	Transfer
2019-08-20	216.20.0.0/17	Merrimack Education Center 🇺🇸 US ARIN	CherryRoad Technologies, Inc. 🇺🇸 US ARIN	M&A

Origin ASN

AS11377

SENDGRID - SendGrid, Inc.

Related Prefixes

More prefixes of AS11377

All prefixes of AS11377 →

Geolocation

Country🇺🇸United StatesUS

RegionIllinois

CityChicago

Coordinates41.8781, -87.6298 ↗

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/216.20.16.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/216.20.16.0/22" | jq

External Links

RIPEstat